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//Author:RingweEH #include <cstdio> #include <algorithm> #include <cstring> #define ll long long #define db double using namespace std; int min( int a,int b ) { return (a<b) ? a : b; } int max( int a,int b ) { return (a>b) ? a : b; } void bmin( int &a,int b ) { a=(a<b) ? a : b; } void bmax( int &a,int b ) { a=(a>b) ? a : b; } int read() { int x=0,w=1; char ch=getchar(); while ( ch>'9' || ch<'0' ) { if ( ch=='-' ) w=-1; ch=getchar(); } while ( ch<='9' && ch>='0' ) { x=x*10+ch-'0'; ch=getchar(); } return x*w; } int n,k; int calc( int x ) { int res=0; for ( ; x; x-=((x)&(-x)) ) res++; return res; } int main() { //freopen( "exam.in","r",stdin ); n=read(); int cnt=1<<n; printf( "%d\n",cnt-1 ); for ( int i=1; i<cnt; i++ ) { for ( int j=0; j<cnt; j++ ) if ( calc(i&j)&1 ) printf( "B" ); else printf( "A" ); printf( "\n" ); } return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using vl = vector<ll>; template<class T> using vc = vector<T>; template<class T> using vvc = vector<vector<T>>; #define eb emplace_back #define all(x) (x).begin(), (x).end() #define rep(i, n) for (ll i = 0; i < (n); i++) #define repr(i, n) for (ll i = (n)-1; i >= 0; i--) #define repe(i, l, r) for (ll i = (l); i < (r); i++) #define reper(i, l, r) for (ll i = (r)-1; i >= (l); i--) #define repa(i,n) for (auto& i: n) template<class T1, class T2> inline bool chmax(T1 &a, const T2 &b) {if (a<b) { a=b; return 1;} return 0;} template<class T1, class T2> inline bool chmin(T1 &a, const T2 &b) {if (b<a) { a=b; return 1;} return 0;} struct init{init(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);}}init_; #ifdef DEBUG template <class T> void verr(const set<T> &st) { repa(a, st) cerr << a << " "; cerr << endl; } template <class S, class T> void verr(const map<S, T> &mp) { repa(a, mp) cerr << "{" << a.first << ", " << a.second << "} "; cerr << endl; } template <class S, class T, class N> void verr(const vector<pair<S,T>>& a, const N& n) { rep(i, n) cerr << "{" << a[i].first << ", " << a[i].second << "} "; cerr << endl; } template <class T, class N> void verr(const vector<T>& a, const N& n) { rep(i, n) cerr << a[i] << " "; cerr << endl; } ll dbgt = 1; void err() { cerr << "passed " << dbgt++ << endl; } template<class H, class... T> void err(H&& h,T&&... t){ cerr<< h << (sizeof...(t)?" ":"\n") << flush; if(sizeof...(t)>0) err(forward<T>(t)...); } #endif const ll INF = 4e18; const ld EPS = 1e-11; const ld PI = acos(-1.0L); const ll MOD = 1e9 + 7; // const ll MOD = 998244353; //--------------------------------------------------------------------------------// // Binary Indexed Tree (Fenwick Tree) template <typename T> struct BIT { ll n; vector<T> d; BIT(ll n = 0) : n(n), d(n + 1) {} void add(ll i, T x = 1) { for (i++; i <= n; i += i & -i) { d[i] += x; } } T sum(ll i) { T x = 0; for (i++; i; i -= i & -i) { x += d[i]; } return x; } }; int main() { ll N; cin >> N; vl A(N); rep(i, N) cin >> A[i]; ll ans = 0; BIT<ll> bt(N); rep(i, N){ bt.add(A[i]); ans += bt.sum(N - 1) - bt.sum(A[i]); } cout << ans << '\n'; rep(i, N - 1){ ans += N - 1 - A[i] * 2; cout << ans << '\n'; } }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; typedef long long ll; template<class T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); template<class A> ostream& operator<<(ostream &cout, vector<A> const &v) {cout << "["; for(int i = 0; i < (int)v.size(); i++) {if (i) cout << ", "; cout << v[i];} return cout << "]";}; template<class A, class B> ostream& operator<<(ostream &cout, const pair<A,B> &x) {return cout << "(" <<x.first << ", " << x.second << ")";}; template<class T> void pv(T a, T b) {cerr << "["; for (T i = a; i != b; ++i) {if (i != a) cerr << ", "; cerr << *i;}cerr << "]\n";} void _print() {cerr << "]\n";} template<class T, class... V> void _print(T t, V... v) {cerr << t; if (sizeof...(v)) cerr << ", "; _print(v...);} #define debug(x...) cerr << "[" << #x << "] = [", _print(x) #define fi first #define se second #define SZ(x) (int)((x).size()) #define pii pair<int,int> #define uid(x,y) uniform_int_distribution<int>(x,y)(rng) vector<array<int,2>> qu[25]; vector<int> msk[25]; ll dp[25][1<<20]; int main() { ios::sync_with_stdio(0); cin.tie(0); int n,m; cin >> n >> m; for (int q = 0; q < m; q++) { int x,y,z; cin >> x >> y >> z; y--; qu[x].push_back({y,z}); } for (int q = 1; q < (1<<20); q++) msk[__builtin_popcount(q)].push_back(q); dp[0][0] = 1; for (int q = 1; q <= n; q++) { for (int w : msk[q]) { bool ok = true; for (array<int,2> a : qu[q]) { int y = (1<<(a[0]+1))-1; if (__builtin_popcount(y&w) > a[1]) ok = false; } if (ok) { for (int e = 0; e < n; e++) { if ((w>>e)&1) dp[q][w] += dp[q-1][w^(1<<e)]; } } } } cout << dp[n][(1<<n)-1] << '\n'; return 0; }
#include<fstream> #include<iostream> #include<sstream> #include<vector> #include<stack> #include<string> #include<algorithm> #include<cmath> #include<map> #include<queue> #include<tuple> #include<iomanip> #include<bitset> #include<stdio.h> #include<set> #include<array> using namespace std; #define rep(i,n) for(int i=0;i<(int)(n);i++) using graph = vector<vector<long long>>; const long long MOD = 1000000007; const long long INF = 1e18; using ll = long long; using P = pair<int,int>; void chmin(int &x,int y){ x = min(x,y); } int digit(ll x){ int count = 1; while(x/10>0){ count ++; x /= 10; } return count; } bool prime(ll x){ if(x==1) return false; for(ll i=2;i*i<=x;i++){ if(x%i==0) return false; } return true; } void decom(ll x,map<ll,int> &hatano){ for(ll i=2;i*i<=x;i++){ if(x%i==0&&prime(i)){ while(x%i==0){ x /= i; hatano[i] ++; } } } if(x!=1) hatano[x] ++; } ll speedpow(ll x,ll y){ ll res = 1; ll test = x; for(int i=0;i<31;i++){ if(y&(1<<i)) res *= test; res = res%MOD; test = (test*test)%MOD; } return res; } ll combination(ll x,ll y){ ll test = 1; ll test1 = 1; for(ll i=0;i<y;i++){ test = (test*(x-i))%MOD; test1 = (test1*(i+1LL))%MOD; } return (test * speedpow(test1,MOD-2))%MOD ; } int euclid(int x,int y){ if(y==0) return x; return euclid(y,x%y); } int main(){ int n,m;cin >> n >> m; int x[m],y[m],z[m]; rep(i,m) cin >> x[i] >> y[i] >> z[i]; ll k = (1LL<<n); vector<ll> dp(k,0); dp[0] = 1; for(ll bit=0;bit<k;bit++){ rep(j,n){ if(bit&(1LL<<j)) continue; bool ara = true; ll test = (bit|(1LL<<j)); rep(l,m){ int p = __builtin_popcount(test); if(x[l]!=p) continue; int count = 0; rep(m,n){ if((test&(1LL<<m))&&(m+1<=y[l])) count ++; // if(j+1<=y[l]) count ++; } if(count>z[l]) ara = false; // cout << p << " " << x[l] << " " << bit <<endl; } if(ara) dp[bit|(1LL<<j)] += dp[bit]; } } //cout << pow(2,18)*18*100 << endl; cout << dp[k-1] << endl; }
#include<iostream> using namespace std; int main() { int v,t,s,d,s1,s2; cin>>v>>t>>s>>d; s1=t*v; s2=v*s; if(d>=s1&&d<=s2) cout<<"No"; else cout<<"Yes"; return 0; }
#include <iostream> using namespace std; int main() { int a[4]; char flag = 0; cin >> a[0] >> a[1] >> a[2] >> a[3]; int sum = 0; for (int i = 0; i < 4; i++) { sum += a[i]; } bool find = false; if (sum % 2 == 0) { for (int i = 0; i < 8; i++) { int sub = a[3]; if ((i & (1 << 0)) != 0) sub += a[0]; if ((i & (1 << 1)) != 0) sub += a[1]; if ((i & (1 << 2)) != 0) sub += a[2]; if (sub * 2 == sum) find = true; if (find)break; } } if (find) { cout << "Yes"; } else { cout << "No"; } return 0; }
#include <bits/stdc++.h> // #include <atcoder/all> // #include "icld.cpp" using namespace std; using ll = long long int; using vi = vector<int>; using si = set<int>; using vll = vector<ll>; using vvi = vector<vector<int>>; using ss = string; using db = double; template<typename T> using minpq = priority_queue <T,vector<T>,greater<T>>; const int dx[4] = {1,0,-1,0}; const int dy[4] = {0,1,0,-1}; #define V vector #define P pair<int,int> #define PLL pair<ll,ll> #define rep(i,s,n) for(int i=(s);i<(int)(n);i++) #define rev(i,s,n) for(int i=(s);i>=(int)(n);i--) #define reciv(v,n) vi (v)((n)); rep(i,0,(n))cin>>v[i] #define all(v) v.begin(),v.end() #define rall(v) v.rbegin(),v.rend() #define ci(x) cin >> x #define cii(x) ll x;cin >> x #define cci(x,y) ll x,y;cin >> x >> y #define co(x) cout << x << endl #define pb push_back #define eb emplace_back #define rz resize #define pu push #define sz(x) int(x.size()) #define vij v[i][j] // ll p = 1e9+7; // ll p = 998244353; #define yn cout<<"Yes"<<endl;else cout<<"No"<<endl #define YN cout<<"YES"<<endl;else cout<<"NO"<<endl template<class T>void chmax(T &x,T y){x=max(x,y);} template<class T>void chmin(T &x,T y){x=min(x,y);} ll g(ll n, int now){ ss s=to_string(n); if(now==0)sort(all(s)); else sort(rall(s)); ll x=stoll(s); return x; } ll f(ll n){ return g(n,1)-g(n,0); } int main(){ cci(n,k); while(k--)n=f(n); co(n); }
#include<stdio.h> #include<bits/stdc++.h> #include<math.h> #include<stdlib.h> #include<stdbool.h> #include<vector> #define ll long long #define pb push_back #define inp(x) scanf("%d",&x); #define input(x) scanf("%lld",&x); #define tc int t;scanf("%d",&t);while(t--) using namespace std; //Functions int MaxNum(int num) { int count[10] = {0}; string str = to_string(num); for (int i=0; i<str.length(); i++) count[str[i]-'0']++; int result = 0, multiplier = 1; for (int i = 0; i <= 9; i++) { while (count[i] > 0) { result = result + (i * multiplier); count[i]--; multiplier = multiplier * 10; } } return result; } int MinNum(int num) { int count[10] = {0}; string str = to_string(num); for (int i=0; i<str.length(); i++) count[str[i]-'0']++; int result = 0, multiplier = 1; for (int i = 9; i >= 0; i--) { while (count[i] > 0) { result = result + (i * multiplier); count[i]--; multiplier = multiplier * 10; } } return result; } int main() { int n,k; cin >> n >>k; int temp = n; while(k--) { temp = MaxNum(temp) - MinNum(temp); if(temp == 0) break; } cout << temp; }
/*ver 7*/ #include <bits/stdc++.h> using namespace std; void init() {cin.tie(0);ios::sync_with_stdio(false);cout << fixed << setprecision(15);} using ll = long long; using ld = long double; using vl = vector<ll>; using vd = vector<ld>; using vs = vector<string>; using vb = vector<bool>; using vvl = vector<vector<ll>>; using vvd = vector<vector<ld>>; using vvs = vector<vector<string>>; using vvb = vector<vector<bool>>; using pll = pair<ll,ll>; using mll = map<ll,ll>; template<class T> using V = vector<T>; template<class T> using VV = vector<vector<T>>; #define each(x,v) for(auto& x : v) #define reps(i,a,b) for(ll i=(ll)a;i<(ll)b;i++) #define rep(i,n) for(ll i=0;i<(ll)n;i++) #define pb push_back #define eb emplace_back #define fi first #define se second #define mp make_pair const ll INF = 1LL << 60; #define CLR(mat,f) memset(mat, f, sizeof(mat)) #define IN(a, b, x) (a<=x&&x<=b) #define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() ) //被り削除 #define debug cout << "line : " << __LINE__ << " debug" << endl; #define ini(...) int __VA_ARGS__; in(__VA_ARGS__) #define inl(...) long long __VA_ARGS__; in(__VA_ARGS__) #define ind(...) long double __VA_ARGS__; in(__VA_ARGS__) #define ins(...) string __VA_ARGS__; in(__VA_ARGS__) #define inc(...) char __VA_ARGS__; in(__VA_ARGS__) void in(){} template <typename T,class... U> void in(T &t,U &...u){ cin >> t; in(u...);} template <typename T> void in1(T &s) {rep(i,s.size()){in(s[i]);}} template <typename T> void in2(T &s,T &t) {rep(i,s.size()){in(s[i],t[i]);}} template <typename T> void in3(T &s,T &t,T &u) {rep(i,s.size()){in(s[i],t[i],u[i]);}} template <typename T> void in4(T &s,T &t,T &u,T &v) {rep(i,s.size()){in(s[i],t[i],u[i],v[i]);}} template <typename T> void in5(T &s,T &t,T &u,T &v,T &w) {rep(i,s.size()){in(s[i],t[i],u[i],v[i],w[i]);}} void out(){cout << endl;} template <typename T,class... U> void out(const T &t,const U &...u){cout << t; if(sizeof...(u)) cout << " "; out(u...);} void die(){cout << endl;exit(0);} template <typename T,class... U> void die(const T &t,const U &...u){cout << t; if(sizeof...(u)) cout << " "; die(u...);} template <typename T> void outv(T s) {rep(i,s.size()){if(i!=0)cout<<" ";cout<<s[i];}cout<<endl;} template <typename T> void out1(T s) {rep(i,s.size()){out(s[i]);}} template <typename T> void out2(T s,T t) {rep(i,s.size()){out(s[i],t[i]);}} template <typename T> void out3(T s,T t,T u) {rep(i,s.size()){out(s[i],t[i],u[i]);}} template <typename T> void out4(T s,T t,T u,T v) {rep(i,s.size()){out(s[i],t[i],u[i],v[i]);}} template <typename T> void out5(T s,T t,T u,T v,T w) {rep(i,s.size()){out(s[i],t[i],u[i],v[i],w[i]);}} #define all(v) (v).begin(),(v).end() #define rall(v) (v).rbegin(),(v).rend() template <typename T> T allSum(vector<T> a){T ans=T();each(it,a)ans+=it;return ans;} ll ceilDiv(ll a,ll b) {return (a+b-1)/b;} ld dist(pair<ld,ld> a, pair<ld,ld> b){return sqrt(abs(a.fi-b.fi)*abs(a.fi-b.fi)+abs(a.se-b.se)*abs(a.se-b.se));} // 2点間の距離 ll gcd(ll a, ll b) { return b != 0 ? gcd(b, a % b) : a; } ll lcm(ll a,ll b){ return a / gcd(a,b) * b;} template <class A, class B> inline bool chmax(A &a, const B &b) { return b > a && (a = b, true); } template <class A, class B> inline bool chmin(A &a, const B &b) { return b < a && (a = b, true); } #define YES(n) ((n) ? "YES" : "NO" ) #define Yes(n) ((n) ? "Yes" : "No" ) #define yes(n) ((n) ? "yes" : "no" ) int main(){ init(); inl(n); ll cnt=0; reps(i,1,n+1){ if(2*n<i*i+1){ //out(i); break; } if((2*n)%i==0){ if(((2*n)/i+1-i)%2==0)cnt++; } } out(cnt*2); return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for (long long i = 0; i < (n); i++) using ll = long long; using P = pair<ll, ll>; const ll INF = 1001001001; int main() { ll N; cin >> N; vector<vector<ll>> C(N, vector<ll>(N)); vector<ll> A(N), B(N); // (最小値, 最小値が含まれる行数) を表す Pair P min_val(INF, 0); rep(i, N) rep(j, N) { ll val; cin >> val; if (min_val.first > val) { min_val = make_pair(val, i); } C[i][j] = val; } bool ok = true; A[min_val.second] = min_val.first; for (ll i = 0; i < N; i++) { B[i] = C[min_val.second][i] - A[min_val.second]; } for (ll i = 0; i < N; i++) { A[i] = C[i][0] - B[0]; } rep(i, N) rep(j, N) { if (C[i][j] != A[i] + B[j]) ok = false; // if (A[i] < 0 || B[j] < 0) ok = false; } if (ok) { cout << "Yes" << endl; rep(i, N) cout << A[i] << endl; rep(i, N) cout << B[i] << endl; } else cout << "No" << endl; return 0; }
#include<bits/stdc++.h> using namespace std; using ll = long long; #define rep(i, n) for(int i=0; i<(int)(n); i++) #define debug(x) cerr << #x << ": " << x << "\n"; int N; vector<int> P, iP; bool solve(int left, vector<int> &res){ if(res.size() == N-1){ rep(i, N){ if(P[i] != i){ return false; } } return true; } if(iP[left] <= left){ return false; } for(int j = iP[left]; j > left; j--){ res.push_back(j); swap(P[j], P[j-1]); } for(int j = left; j < iP[left]; j++){ if(P[j] != j){ return false; } } return solve(iP[left], res); } int main(){ cin>>N; P.resize(N); iP.resize(N); rep(i, N){ cin>>P[i], P[i]--, iP[P[i]] = i; } vector<int> res; if(!(solve(0, res))){ cout<<-1<<endl; }else{ for(auto r : res){ cout<<r<<endl; } } return 0; }
#include<iostream> #include<bits/stdc++.h> #define mod 1000000007 #define int long long #define pii pair<int,int> #define pb(x) push_back(x) #define lbound lower_bound #define ubound upper_bound #define gcd(a,b) __gcd(a,b) #define all(v) v.begin(),v.end() #define bits(x) __builtin_popcountll(x) #define heap_min priority_queue<int,vector<int>,greater<int>> #define heap_max priority_queue<int> #define precision(x) cout << setprecision(x) << fixed; #define printv(v) for(auto p : v) cout << p << " "; #define printa(a,n) for(int i = 0 ; i < n ; i++) cout << a[i] << " "; #define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); using namespace std; void solve() { int n; cin >> n; if(n%2){ cout << "Black"; } else{ cout << "White"; } } int32_t main() { fast; #ifndef ONLINE_JUDGE freopen("goodluckin.txt","r",stdin); freopen("goodluckout.txt","w",stdout); #endif clock_t beg = clock(); solve(); clock_t end = clock(); fprintf(stderr, "Time taken : %.3f sec\n", double(end - beg) / CLOCKS_PER_SEC , 184); return 0; }
#include <iostream> #include <set> #include <iterator> #include <bitset> #include <bits/stdc++.h> using namespace std; typedef long long int ll; ll mod=1000000007; int main() { ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); int t; cin>>t; while(t--){ int n; cin>>n; string s; for(int i=0;i<3;i++ ) { cin>>s; } string ans; for(int i=0;i<n;i++) ans.push_back('0'); for(int i=0;i<n;i++) ans.push_back('1'); ans.push_back('0'); cout<<ans<<endl; } return 0; }
#pragma GCC optimize ("Ofast") #pragma GCC optimization ("unroll-loops, no-stack-protector") #pragma GCC target ("avx") #pragma GCC target ("avx2") #pragma GCC target ("fma") #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <ext/rope> #define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) #define ll long long #define ull unsigned long long #define ld long double #define pii pair <int, int> #define pll pair <ll, ll> #define pci pair <char, int> #define pld pair <ld, ld> #define ppld pair <pld, pld> #define ppll pair <pll, pll> #define pldl pair <ld, ll> #define vll vector <ll> #define vvll vector <vll> #define vpll vector <pll> #define pb push_back #define eb emplace_back #define mp make_pair #define fi first #define se second #define mll map <ll, ll> #define fastmap gp_hash_table #define cd complex <double> #define vcd vector <cd> #define PI 3.14159265358979 #define ordered_set tree <ll, null_type, less <ll>, rb_tree_tag, tree_order_statistics_node_update> #pragma 03 using namespace std; using namespace __gnu_pbds; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); void solve(){ ll n; cin >> n; string s1, s2, s3; cin >> s1 >> s2 >> s3; string ans; ans.resize(2 * n + 1); ans[0] = '1'; for (ll i = 1; i <= n; i++) ans[i] = '0'; for (ll i = n + 1; i <= 2 * n; i++) ans[i] = '1'; cout << ans << "\n"; } int main(){ fastio; ll t; cin >> t; while (t--) solve(); }
#include <iostream> #include <algorithm> #include <map> #include <set> #include <queue> #include <bitset> #include <climits> #include <cmath> #include <bitset> #include <complex> #include <functional> #include <cassert> #include <stack> #include <numeric> typedef int64_t ll; typedef std::pair<int, int> Pii; typedef std::pair<ll, ll> Pll; typedef std::pair<double, double> Pdd; #define rip(i, n, _s) for (int i = (_s);i < (int)( n ); i++) #define all(_l) _l.begin(), _l.end() #define rall(_l) _l.rbegin(), _l.rend() #define MM << " " << template<typename T> using MaxHeap = std::priority_queue<T>; template<typename T> using MinHeap = std::priority_queue<T, std::vector<T>, std::greater<T>>; template<typename T> inline bool chmax(T &_l, const T b) { if (_l < b) { _l = b; return true; } return false; } template<typename T> inline bool chmin(T &_l, const T b) { if (_l > b) { _l = b; return true; } return false; } # ifdef LOCAL_DEBUG template<typename T> void vdeb(const std::vector<T> &bb) { for (unsigned int i = 0;i < bb.size();i++) { if (i == bb.size() - 1) std::cout << bb[i]; else std::cout << bb[i] << ' '; } std::cout << '\n'; } template<typename T> void vdeb(const std::vector<std::vector<T>> &bb) { for (unsigned int i = 0;i < bb.size();i++) { std::cout << i << ' '; vdeb(bb[i]); } std::cout << '\n'; } # endif using namespace std; void bfs(vector<vector<int>> &da, vector<int> &ans, vector<int> &c,int from) { int n = da.size(); vector<int> used(n, -1); queue<Pii> q; q.push({from, 0}); while(!q.empty()) { Pii now = q.front(); q.pop(); if(used[now.first] != -1) { continue; } used[now.first] = now.second; rip(i,da[now.first].size(),0) { q.push({da[now.first][i], now.second+1}); } } rip(i,c.size(),0) ans[i] = used[c[i]]; return; } int main() { int n, m; cin >> n >> m; vector<vector<int>> da(n, vector<int>(0)); rip(i,m,0) { int a, b; cin >> a >> b; --a;--b; da[a].push_back(b); da[b].push_back(a); } int k; cin >> k; vector<int> c(k); rip(i,k,0) { cin>> c[i]; c[i]--; } vector<vector<int>> dist(k, vector<int>(k, -1)); rip(i, k, 0) bfs(da, dist[i], c, c[i]); rip(i,k,0) { rip(j,k,0) { if(dist[i][j] == -1) { cout << -1 << endl; return 0; } } } vector<vector<int>> dp(1<<k, vector<int>(k, INT_MAX/2)); rip(i,k,0) { dp[1<<i][i] = 0; } rip(i,1<<k,0) { rip(j,k,0) { if((i>>j)&1) { rip(l,k,0) { if((i>>l)&1) { chmin(dp[i][j], dp[i^(1<<j)][l] + dist[l][j]); } } } } } int ans = INT_MAX; rip(i,k,0) { chmin(ans, dp.back()[i]); } // vdeb(dp); cout << ans+1 << endl; }
#include "bits/stdc++.h" using namespace std; #ifdef LOCAL #include "debug.h" #define input freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #else #define debug(...) 4 #define input 4 #endif using ll = long long; //const int mod = 998244353; const int mod = 1e9 + 7; const int N = 2e5 + 5; struct DSU { int par[N]; int sz[N]; int find(int x) { return x == par[x] ? x : par[x] = find(par[x]); } //path compression(logn) void merge(int a, int b) { a = find(a); b = find(b); if(a == b) return; if(sz[a] < sz[b]) swap(a, b); sz[a] += sz[b]; par[b] = a; } void init(int n) { for(int i = 0; i <= n; i++) par[i] = i, sz[i] = 1; } }; DSU d; vector<int> g[N]; vector<int> dist[N]; int a[N]; void bfs(vector<int> &dist, int src) { queue<int> q; q.push(src); dist[src] = 0; while(q.size()) { int at = q.front(); q.pop(); for(int j : g[at]) { if(dist[j] == -1) { dist[j] = dist[at] + 1; q.push(j); } } } } int dp[1 << 18][18]; int k; int solve(int mask, int last) { if(mask == (1 << k) - 1) { return 0; } if(~dp[mask][last]) return dp[mask][last]; int ans = 1e9; for(int j = 0; j < k; j++) { if(mask & (1 << j)) continue; ans = min(ans, dist[last][a[j]] + solve(mask ^ (1 << j), j)); } return dp[mask][last] = ans; } signed main() { input; cin.tie(nullptr) -> sync_with_stdio(false); int t = 1; // cin >> t; while(t--) { int n, m; cin >> n >> m; d.init(n + 1); for(int i = 0; i < m; i++) { int x, y; cin >> x >> y; g[x].push_back(y); g[y].push_back(x); d.merge(x, y); } cin >> k; set<int> s; for(int i = 0; i < k; i++) { cin >> a[i]; s.insert(d.find(a[i])); } if(s.size() > 1) { cout << "-1\n"; return 0; } for(int i = 0; i < k; i++) { vector<int> temp(n + 1, -1); bfs(temp, a[i]); dist[i] = temp; } int ans = 1e9; for(int i = 0; i < k; i++) { memset(dp, -1, sizeof dp); ans = min(ans, solve(1 << i, i)); } cout << ans + 1; } }
#include <stdio.h> #include <iostream> #include <string> #include <vector> #include <cmath> #include <map> #include <queue> #include <algorithm> #include <set> using namespace std; #define rep(i,s,N) for(unsigned int i=s;i<N;i++) typedef long long int lli; int main(void) { int N, S, D; cin >> N >> S >> D; vector<int> X(N), Y(N); rep(i, 0, N)cin >> X[i] >> Y[i]; string ans = "No"; rep(i, 0, N) { if (X[i]<S && Y[i]>D) { ans = "Yes"; break; } } cout << ans << endl; return 0; }
// #include<bits/stdc++.h> using namespace std; #define PB push_back #define f first #define s second #define what_is(x) cerr << #x << " is " << x << endl; typedef long long ll; typedef pair<ll, ll> pll; typedef pair<int, int> pii; const int INF = 1000000007; const ll MOD = 1000000007; vector<pii> graph[301]; int dist[301]; bool seen[301]; void dijkstra(int src) { for(int i=0; i<300; i++) { dist[i] = INF; } dist[src] = 0; priority_queue<pair<int, int>> pq; pq.push({0, src}); while(!pq.empty()) { int u = pq.top().s; pq.pop(); for(int i=0; i<graph[u].size(); i++) { int v = graph[u][i].f; int w = graph[u][i].s; if(dist[v] > dist[u] + w) { dist[v] = dist[u] + w; if(!seen[v]) pq.push({-dist[v], v}); } } } } void solve_test() { int a, b, x, y; cin >> a >> b >> x >> y; for(int i=1; i<=100; i++) { graph[i].PB({i+100, x}); graph[i+100].PB({i, x}); if(i<100) { graph[i+1].PB({i, y}); graph[i].PB({i+1, y}); graph[i+101].PB({i+100, y}); graph[i+100].PB({i+101, y}); } if(i>1) { graph[i].PB({i+99, x}); graph[i+99].PB({i, x}); } } dijkstra(a); cout << dist[b+100]; } signed main() { ios_base::sync_with_stdio(0); cin.tie(0); int tests; tests = 1; //cin >> tests; while(tests--) { solve_test(); } return 0; }
#include<bits/stdc++.h> using namespace std; int main(void) { int A,B,C; cin >> A >> B >> C; if (A < 0 && C%2 == 0) { A *= (-1); } if(B < 0 && C%2 == 0) { B *= (-1); } if(A < B) { cout << "<" << endl; } else if(A > B) { cout << ">" << endl; } else if (A == B) { cout << "=" << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> P; #define rep(i, n) for (int i = 0; i < (int)(n); ++i) #define rep2(i, a, n) for (int i = (a); i < (int) (n); ++i) #define MOD 1000000007 int main() { ll A, B, C; cin >> A >> B >> C; char ans; if(C % 2 == 0) { A = abs(A); B = abs(B); } if(A == B) ans = '='; else if(A > B) ans = '>'; else if(A < B) ans = '<'; cout << ans << endl; return 0; }
#include <iostream> #include <vector> #include <map> #include <set> #include <algorithm> #include <cmath> using namespace std; void dfs(int v, int other, vector<vector<pair<int, int>>>& Graph, vector<bool> &seen, vector<int> &color, int N) { if (v == 0) { if (Graph[v].size() > 0) color[0] = Graph[v][0].second; } else if (color[v] == -1) { color[v] = (other + 1) % N; } for (int i = 0; i < Graph[v].size(); i++) { if (seen[Graph[v][i].first]) continue; if (Graph[v][i].second == color[v]) { seen[Graph[v][i].first] = true; dfs(Graph[v][i].first, Graph[v][i].second, Graph, seen, color, N); } else { seen[Graph[v][i].first] = true; color[Graph[v][i].first] = Graph[v][i].second; dfs(Graph[v][i].first, N, Graph, seen, color, N); } } } int main() { int N, M; cin >> N >> M; vector<vector<pair<int, int>>> Graph(N); for (int i = 0; i < M; i++) { int u, v, c; cin >> u >> v >> c; u--; v--; c--; Graph[u].push_back(make_pair(v, c)); Graph[v].push_back(make_pair(u, c)); } vector<bool> seen(N, false); seen[0] = true; vector<int> color(N, -1); dfs(0, N, Graph, seen, color, N); for (int i = 0; i < N; i++) { cout << color[i] + 1 << endl; } }
#include <bits/stdc++.h> #define debug(...) fprintf(stderr, __VA_ARGS__) #define RI register int typedef long long LL; #define FILEIO(name) freopen(name".in", "r", stdin), freopen(name".out", "w", stdout); using namespace std; namespace IO { char buf[1000000], *p1 = buf, *p2 = buf; inline char gc() { if (p1 == p2) p2 = (p1 = buf) + fread(buf, 1, 1000000, stdin); return p1 == p2 ? EOF : *(p1++); } template <class T> inline void read(T &n) { n = 0; RI ch = gc(), f; while ((ch < '0' || ch > '9') && ch != '-') ch = gc(); f = (ch == '-' ? ch = gc(), -1 : 1); while (ch >= '0' && ch <= '9') n = n * 10 + (ch ^ 48), ch = gc(); n *= f; } char Of[105], *O1 = Of, *O2 = Of; template <class T> inline void print(T n, char ch = '\n') { if (n < 0) putchar('-'), n = -n; if (n == 0) putchar('0'); while (n) *(O1++) = (n % 10) ^ 48, n /= 10; while (O1 != O2) putchar(*(--O1)); putchar(ch); } } using IO :: read; using IO :: print; int const MAXN = 2e5 + 5; struct Edges { int to, next, val; } e[MAXN << 1]; int vis[MAXN], a[MAXN]; int head[MAXN], tot; int n, m; inline void addedge(int from, int to, int val) { e[++tot] = (Edges){to, head[from], val}; head[from] = tot; e[++tot] = (Edges){from, head[to], val}; head[to] = tot; } void Dfs(int now) { vis[now] = 1; for (RI i = head[now]; i; i = e[i].next) if (!vis[e[i].to]) { if (a[now] == e[i].val) a[e[i].to] = n + 1 - e[i].val; else a[e[i].to] = e[i].val; Dfs(e[i].to); } } int main() { #ifdef LOCAL FILEIO("a"); #endif read(n), read(m); for (RI i = 1, x, y, z; i <= m; ++i) read(x), read(y), read(z), addedge(x, y, z); a[1] = 1; Dfs(1); for (RI i = 1; i <= n; ++i) if (!vis[i]) return puts("No"), 0; for (RI i = 1; i <= n; ++i) printf("%d\n", a[i]); return 0; } // created by Daniel yuan /* ________ / \ / / \ \ / / \ \ \ / \ ______ / \________/ */
#include <cstdio> #include <algorithm> const int Maxn=200000; int n; std::pair<int,int> a[Maxn<<1|5]; bool col[Maxn<<1|5]; int main(){ scanf("%d",&n); for(int i=1;i<=(n<<1);i++){ scanf("%d",&a[i].first); a[i].second=i; } std::sort(a+1,a+1+(n<<1)); for(int i=1;i<=n;i++){ col[a[i].second]=1; } int num=0; for(int i=1;i<=(n<<1);i++){ if(col[i]){ if(num>=0){ num++; putchar('('); } else{ num++; putchar(')'); } } else{ if(num<=0){ num--; putchar('('); } else{ num--; putchar(')'); } } } putchar('\n'); return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; ll a[200050]; const int mod =998244353; ll l[200050]; ll in[200050]; ll sum[200050]; ll pow_mod(ll a, ll n, ll m) { long long ans = 1; while(n){ if(n&1){ ans = (ans * a) % m; } a = (a * a) % m; n >>= 1; } return ans; } void run() { ll n; cin>>n; for(int i=1;i<=n;i++) { cin>>a[i]; } sort(a+1,a+1+n); ll ans=0ll; in[0]=1ll; in[1]=1ll; sum[0]=0; ll x=1; for(int i =1;i<=n;i++) { sum[i]=sum[i-1]+x*a[i]%mod; sum[i]%=mod; x =x*2; x%=mod; } ll inv = pow_mod(2,mod-2,mod); ll y =inv; for(int i=1;i<=n;i++) { ans+= a[i]*(sum[n]-sum[i]+mod)%mod*y%mod; ans%=mod; y*=inv; y%=mod; } for(int i=1;i<=n;i++) ans=(ans+a[i]*a[i]%mod)%mod; cout<<ans<<endl; } int main() { int t=1; while(t--) run(); }
#include<iostream> #include<vector> int main(){ int N, K; std::cin >> N >> K; std::vector<long long> sum(2*N+2,0); for(int a=1; a<=N; a++){ sum[a+1] += 1; sum[a+N+1] -= 1; } for(int i=0; i<2*N+1; i++){ sum[i+1] += sum[i]; } long long ans = 0; if (K < 0) K *= -1; for(int i=0; i<2*N+1; i++){ if (i+K > 2*N) break; ans += sum[i] * sum[i + K]; } std::cout << ans << std::endl; }
#include <iostream> using namespace std; int main(void){ // Your code here! long long n; cin>>n; int k; cin>>k; for(int i=0;i<k;i++){ if(n%200==0) n/=200; else{ n*=1000; n+=200; } } cout<<n<<endl; return 0; }
#include<bits/stdc++.h> #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,abm,mmx,avx,avx2") #pragma GCC optimize("unroll-loops") #define rep(i,a,b) for(int i=(a);i<=(b);++i) #define req(i,a,b) for(int i=(a);i>=(b);--i) #define rep_(i,a,b) for(int i=(a);i<(b).size();++i) #define F(a) rep(a,1,n) #define M(a,b) memset(a,b,sizeof a) #define DC int T;cin>>T;while(T--) #define ll long long #define Z(a,b) sort(a+1,a+b+1) using namespace std; const unsigned _mod=998244353; const unsigned mod=1e9+7; const ll infi=0x3f3f3f3f3f3f3fll; const int inf=0x3f3f3f3f; void rd(auto &x){x=0;int f=1;char ch=getchar();while(ch<48||ch>57){if(ch==45)f=-1;ch=getchar();}while(ch>=48&&ch<=57)x=x*10+ch-48,ch=getchar();x*=f;} ll ksm(ll x,ll y=mod-2,ll m=mod){ll ret=1;while(y){if(y&1)ret=ret*x%m;y>>=1ll;x=x*x%m;}return ret;} ll qpow(ll x,ll y){ll ret=1;while(y){if(y&1ll)ret=ret*x;y>>=1ll;x=x*x;}return ret;} /* [[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]] [[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]] [[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]] */ ll n,a[110],dp[110][110][110],x,ans=1e18+17; int main() { cin>>n>>x; F(i) rd(a[i]); F(i) { ll p=x%i; rep(j1,0,109) rep(j2,0,109) rep(j3,0,109) dp[j1][j2][j3]=-infi; dp[0][0][0]=0; F(j) { F(__) rep(_,0,i-1) if (dp[j-1][__-1][_]!=-infi) if (dp[j-1][__-1][_]+a[j]<=x) dp[j][__][(_+a[j])%i]=max(dp[j][__][(_+a[j])%i],dp[j-1][__-1][_]+a[j]); F(__) rep(_,0,i-1) if (dp[j][__][_]!=-infi) dp[j+1][__][_]=max(dp[j+1][__][_],dp[j][__][_]); } if (dp[n][i][p]!=-infi) ans=min(ans,(x-dp[n][i][p])/i); //cerr<<dp[n][i][p]<<'\n'; } cout<<ans<<'\n'; return 0; }
#pragma GCC optimize ("O2") #pragma GCC target ("avx2") #include<bits/stdc++.h> //#include<atcoder/all> //using namespace atcoder; using namespace std; typedef long long ll; #define rep(i, n) for(int i = 0; i < (n); i++) #define rep1(i, n) for(int i = 1; i <= (n); i++) #define co(x) cout << (x) << "\n" #define cosp(x) cout << (x) << " " #define ce(x) cerr << (x) << "\n" #define cesp(x) cerr << (x) << " " #define pb push_back #define mp make_pair #define chmin(x, y) x = min(x, y) #define chmax(x, y) x = max(x, y) #define Would #define you #define please int main() { cin.tie(0); ios::sync_with_stdio(false); ll N, X; cin >> N >> X; ll A[100]; rep(i, N) cin >> A[i]; ll kotae = 2e18; rep1(s, N) { ll wari = X / s; ll amari = X % s; ll dp[101][101] = {}; rep(i, s + 1) rep(j, s + 1) dp[i][j] = -1; dp[0][0] = 0; rep(i, N) { for (int j = min(i, s); j >= 0; j--) rep(k, s) if(dp[j][k] >= 0) { chmax(dp[j + 1][(k + A[i]) % s], dp[j][k] + (k + A[i]) / s); } } if (dp[s][amari] >= 0) { chmin(kotae, wari - dp[s][amari]); } } co(kotae); Would you please return 0; }
#include<iostream> #include<vector> #include<string> #include<map> #include<algorithm> using namespace std; int main(){ int N; std::cin >> N; vector<string> S_list(N); for(int i= 0; i < N; i++){ std::cin >> S_list[i]; } vector<long long> t_list(N+1), f_list(N+1); t_list[0] = 1; f_list[0] = 1; for(int i = 0; i < N; i++){ if(S_list[i] == "OR"){ t_list[i+1] = 2 * t_list[i] + f_list[i]; f_list[i+1] = f_list[i]; }else{ t_list[i+1] = t_list[i]; f_list[i+1] = t_list[i] + 2 * f_list[i]; } } std::cout << t_list[N]; }
#include<bits/stdc++.h> #define ll long long #define fl(i,n) for(i=0;i<n;i++) #define fld(i,a,b) for(i=a;i>b;i--) #define fli(i,a,n) for(i=a;i<n;i++) #define pb push_back #define mp make_pair #define F first #define S second #define mod 1000000007 #define all(x) x.begin(),x.end() #define speedup ios_base::sync_with_stdio(false),cin.tie(0) #define N 1000005 using namespace std; ll power(ll x, ll y){ll out = 1;while (y > 0){if (y & 1) out=(out*x);y = y>>1;x = (x*x);}return out;} ll inverse(ll a){return power(a,mod-2)%mod;} void comp() { ll i,j,k,m,n; cin>>n; vector<string>v1; string s; fl(i,n) { cin>>s; v1.pb(s); } reverse(v1.begin(),v1.end()); ll ans = 1; fl(i,n) { if(v1[i] == "OR") { ans += power(2,n-i); } } cout<<ans<<"\n"; } int32_t main() { speedup; ll i=0,t; t=1; //cin>>t; while(t--) { comp(); } return 0; }
#include <iostream> #include <cstdio> #include <string> #include <algorithm> #include <utility> #include <cmath> #include <vector> #include <stack> #include <queue> #include <deque> #include <set> #include <map> #include <tuple> #include <numeric> #include <functional> using namespace std; typedef long long ll; typedef vector<ll> vl; typedef vector<vector<ll>> vvl; typedef pair<ll, ll> P; #define rep(i, n) for(ll i = 0; i < n; i++) #define exrep(i, a, b) for(ll i = a; i <= b; i++) #define out(x) cout << x << endl #define exout(x) printf("%.10f\n", x) #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) #define all(a) a.begin(), a.end() #define rall(a) a.rbegin(), a.rend() #define pb push_back #define re0 return 0 const ll mod = 1000000007; const ll INF = 1e16; ll gcd(ll x, ll y) { if(y == 0) { return x; } return gcd(y, x%y); } // nの約数を昇順に列挙したvectorを返す。計算量はO(√n) vector<ll> yakusu(ll n) { vl res; for(ll i = 1; i*i <= n; i++) { if(n%i == 0) { res.pb(i); if(i != n/i) { res.pb(n/i); } } } sort(all(res)); return res; } int main() { ll n; cin >> n; ll mi = INF; map<ll, ll> mp; rep(i, n) { ll a; cin >> a; chmin(mi, a); vl v = yakusu(a); for(ll d : v) { mp[d] = gcd(a, mp[d]); } } ll ans = 0; for(auto p : mp) { if(p.first > mi) { break; } if(p.first == p.second) { ans++; } } out(ans); re0; }
#include <bits/stdc++.h> using namespace std; #define int long long #define rep(i,n,m) for(int i=n;i<m;i++) void solve(){ priority_queue<int>pq; rep(i,0,3){ int a; cin>>a; // cout<<a; pq.push(a); } int sum=0; sum+=pq.top(); pq.pop(); sum+=pq.top(); cout<<sum<<endl; return; } int32_t main() { int t; t=1; while(t--){ solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int LL; typedef pair<int,int> II; typedef priority_queue<int> pqD;//降順 typedef priority_queue<int,vector<int>,greater<int>> pqU;//昇順 LL MOD=1000000007; LL MO2=998244353; LL INF=1000000000000; #define SP(x) cout<<setprecision(x) #define RP(i,n) for(i=0;i<n;i++) #define RPU(i,n,x) for(i=x;i<n+x;i++) #define RPD(i,n) for(i=n-1;i<=0;i++) #define RPDU(i,n,x) for(i=n+x-1;i<=x;i++) int main(void){ LL n,i,j,ans=0; LL a[4]; RP(i,4)cin>>a[i]; sort(a,a+4); cout<<a[0]<<endl; }
#include <bits/stdc++.h> using namespace std; #pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") /* alias */ using ull = unsigned long long; using ll = long long; /* define short */ #define all(obj) (obj).begin(), (obj).end() #define YESNO(bool) if(bool){cout<<"YES"<<endl;}else{cout<<"NO"<<endl;} #define yesno(bool) if(bool){cout<<"yes"<<endl;}else{cout<<"no"<<endl;} #define YesNo(bool) if(bool){cout<<"Yes"<<endl;}else{cout<<"No"<<endl;} /* REP macro */ #define reps(i, a, n) for (ll i = (a); i < (ll)(n); ++i) #define rep(i, n) reps(i, 0, n) #define rrep(i, n) reps(i, 1, n + 1) #define repd(i,n) for(ll i=n-1;i>=0;i--) #define rrepd(i,n) for(ll i=n;i>=1;i--) int main() { ll N,K,first,second; vector<pair<ll, ll>> AB; cin>>N>>K; rep(i,N){ cin>>first>>second; AB.push_back({first,second}); } sort(all(AB)); rep(i,N){ if(K<AB[i].first){ break; } K += AB[i].second; } cout<<K<<endl; return 0; }
#include<iostream> #include<iomanip> #include<cmath> #include<algorithm> #include<numeric> #include<vector> #include<string> #include<set> #include<map> //#include<atcoder/all> #define fi first #define se second #define pb(x) emplace_back(x) using namespace std; using ll = long long; using v_ll = vector <ll>; bool IS_TEST=false; ll INF = ll(1e17); ll max(ll x,ll y){return x>y?x:y;} ll min(ll x,ll y){return x<y?x:y;} template<class T> bool chmax(T& x,const T& y){ if (x>=y) return false; x=y; return true;} template<class T> bool chmin(T& x,const T& y){ if (x<=y) return false; x=y; return true;} template<class T> void quit(T x){std::cout << x << "\n"; exit(0);} template<typename T> void vshow(T x){for(auto itr = x.begin();itr!=x.end();itr++){std::cerr << *itr << " ";} std::cerr << "\n";} template<typename T> void vvshow(T x){for(auto itr = x.begin();itr!=x.end();itr++){vshow(*itr);} std::cerr << "\n";} int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); ll N,M; cin >> N >> M; v_ll X(M,0),Y(M,0),Z(M,0); for(ll i=0;i<M;i++) cin >> X[i] >> Y[i] >> Z[i]; v_ll ans(1LL<<N,0); ans[0]=1; for(ll i=1;i<(1LL<<N);i++){ ll c=0,ii=i; v_ll cnt(N+1,0); for(ll k=1;k<=N;k++){ cnt[k]=cnt[k-1]; if (ii&1){c++;cnt[k]++;} ii>>=1; } ll flg = true; for(ll j=0;j<M;j++){ if (c!=Y[j]) continue; if (cnt[X[j]]>Z[j])flg = false; } if (flg){ ll p=0; for(ll j=0;j<N;j++){ p+=ans[i&(-1-(1LL<<j))]; } ans[i]=p; } } cout << ans[(1LL<<N)-1] <<"\n"; }
#include <iostream> #include <cmath> #include <stdio.h> #include <string.h> #include <bits/stdc++.h> #include <vector> #include <array> #include <tuple> #include <algorithm> #include <functional> #include <numeric> using namespace std; typedef long long ll; int main() { int N, p, t; cin >> N; ll l[N], r[N], y, z; ll ans; ans=0; for (int i=0; i<N; i++){ cin >> t >> y >> z; if (t==1){ l[i]=2*y; r[i]=2*z; } if (t==2){ l[i]=2*y; r[i]=2*z-1; } if (t==3){ l[i]=2*y+1; r[i]=2*z; } if (t==4){ l[i]=2*y+1; r[i]=2*z-1; } } for (int i=0; i<N-1; i++){ for (int j=i+1; j<N; j++){ p=1; if (r[i]<l[j]){ p=0; } if (r[j]<l[i]){ p=0; } ans+=p; } } cout << ans << endl; }
#include<bits/stdc++.h> using namespace std; #define FOR(i,n) for(ll i=1;i<=n;i++) #define LOOP(i,n) for(ll i=0;i<n;i++) #define loop(a,b) for(ll i=a;i<=b;i++) #define sci(n) scanf("%d",&n) #define scl(n) scanf("%lld",&n) #define scl3(a,b,c) scanf("%lld%lld%lld",&a,&b,&c); #define scl2(a,b) scanf("%lld%lld",&a,&b) #define scd(n) scanf("%lf",&n) #define pf(n) printf("%lld\n",n) #define srt(g) sort(g.begin(),g.end()) #define rvs(g) reverse(g.begin(),g.end()) #define pl pair<long long,long long> #define pll pair<long long,pair<long long,long long>> #define ll long long #define pb push_back #define mp make_pair #define pi acos(-1.0) #define f first #define s second int main() { ll n,m; scl2(n,m); vector<ll>a; ll x; if(m==0) { cout << "1\n"; return 0; } LOOP(i,m) { scl(x); a.pb(x); } srt(a); ll mn=INT_MAX; vector<ll>v; if(a[0]!=1) { v.pb(a[0]-1); mn=min(mn,a[0]-1); } for(ll i=0;i<m-1;i++) { x=a[i+1]-a[i]-1; if(x!=0) { mn=min(mn,x); v.pb(x); } } if(a[m-1]!=n) { v.pb(n-a[m-1]); mn=min(mn,n-a[m-1]); } ll ans=0; if(v.size()==0) { cout << "0\n"; return 0; } for(auto x:v) { //cout << "x" << "\n"; ll y=x/mn; if(x%mn)y++; ans=ans+y; } pf(ans); }
#include <bits/stdc++.h> using namespace std; vector<int> seen; vector<vector<int>> g; vector<int> a, b; void dfs(int node, int64_t& sum) { seen[node] = 1; sum += a[node]; sum -= b[node]; for (auto v : g[node]) if (not seen[v]) dfs(v, sum); } int main() { int n, m; cin >> n >> m; a = vector<int> (n, 0); b = vector<int> (n, 0); for (int i = 0; i < n; i += 1) cin >> a[i]; for (int i = 0; i < n; i += 1) cin >> b[i]; g = vector<vector<int>> (n); for (int i = 0; i < m; i += 1) { int c, d; cin >> c >> d; c -= 1, d -= 1; g[c].push_back(d); g[d].push_back(c); } seen = vector<int> (n, 0); for (int i = 0; i < n; i += 1) { if (not seen[i]) { int64_t tot = 0; dfs(i, tot); if (tot != 0) { cout << "No\n"; return 0; } } } cout << "Yes\n"; }
#include <bits/stdc++.h> using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) begin(v),end(v) template<typename A, typename B> inline bool chmax(A &a, B b) { if (a<b) { a=b; return 1; } return 0; } template<typename A, typename B> inline bool chmin(A &a, B b) { if (a>b) { a=b; return 1; } return 0; } using ll = long long; using pii = pair<int, int>; constexpr ll INF = 1ll<<30; constexpr ll longINF = 1ll<<60; constexpr ll MOD = 1000000007; constexpr bool debug = 0; //---------------------------------// int main() { ll S, P; cin >> S >> P; puts([&] { for (ll i = 1; i * i <= P; ++i) { ll n = i, m = S - i; if (n > 0 && m > 0 && n * m == P) return true; } return false; }() ? "Yes": "No"); return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long int #define pb push_back #define mp make_pair #define asort(a,n) sort(a,a+n) #define vsort(v) sort(v.begin(),v.end()) #define all(v) v.begin(),v.end() #define run ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);cerr.tie(0); #define mod 1000000007 #define endl "\n" #define LL_MAX LLONG_MAX #define yes cout<<"Yes"<<endl #define no cout<<"No"<<endl //********************************* mekch ************************************// ll gcd(ll a, ll b) { if (b == 0) return a; return gcd(b, a % b); } ll binExp(ll x,ll n) { ll res=1; while(n) { if(n&1) res=(res*x)%mod; x=(x*x)%mod; n>>=1; } return res; } bool isPerfectSquare(long double x) { long double sr = sqrt(x); return ((sr - floor(sr)) == 0); } int main() { run; ll t; // ALWAYS UES LL_MAX long double n,i,x,y,ok=0,sum=0,ans=0,res; ll res1,res2,res3,res4; cin>>x>>y; res=x*x-4*y; if (isPerfectSquare(res)) { res1=sqrt(res); res2=x+res1; res3=x-res1; // cout<<"jdc"; if(res2%2==0) res2=res2/2; else res2=-1; if(res3%2==0) res3=res3/2; else res3=-1; if(res2>0||res3>0) { if(res2>0) res4=x-res2; else res4=x-res3; if(res4>0) yes; else no; } else no; } else no; }
#include <bits/stdc++.h> using namespace std; //#include <atcoder/all> //using namespace atcoder; /*---------macro---------*/ #define rep(i, n) for (int i = 0; i < (int)(n); ++i) #define rep2(i, s, n) for (int i = s; i < (int)(n); ++i) #define Clear(a) a = decltype(a)() #define all(a) begin(a),end(a) #define rall(a) rbegin(a),rend(a) #define bit(i,j) ((i>>j)&1) /*---------type/const---------*/ typedef long long ll; typedef unsigned long long ull; typedef string::const_iterator state; //構文解析 const ll big=1000000007; //const ll big=998244353; const double PI=acos(-1); const double EPS=1e-8;//適宜変える const int dx[4]={1,0,-1,0}; const int dy[4]={0,1,0,-1}; const char newl='\n'; struct{ constexpr operator int(){return -int(1e9)-1;} constexpr operator ll(){return -ll(1e18)-1;} }neginf; struct{ constexpr operator int(){return int(1e9)+1;} constexpr operator ll(){return ll(1e18)+1;} constexpr auto operator -(){return neginf;} }inf; /*---------debug---------*/ #ifdef LOGX #include <template/debug.hpp> #define _GLIBCXX_DEBUG #else #define dbg(x) ; #define prt(x) ; #define _prt(x) ; #endif /*---------function---------*/ template<typename T,typename U> T max(const T x,const U y){if(x>y)return x;else return y;} template<typename T,typename U> T min(const T x,const U y){if(x<y)return x;else return y;} template<typename T> T max(const vector<T> &a){T ans=a[0];for(T elem:a){ans=max(ans,elem);}return ans;} template<typename T> T min(const vector<T> &a){T ans=a[0];for(T elem:a){ans=min(ans,elem);}return ans;} template<typename T,typename U> bool chmin(T &a,const U b){if(a>b){a=b;return true;}return false;} template<typename T,typename U> bool chmax(T &a,const U b){if(a<b){a=b;return true;}return false;} bool valid(int i,int j,int h,int w){return (i>=0 && j>=0 && i<h && j<w);} template<typename T,typename U> T expm(T x,U y,const ll mod=big){ T res=1; while(y){ if(y&1)(res*=x)%=mod; (x*=x)%=mod; y>>=1; } return res; } template<typename T,typename U> T exp(T x,U y){ T res=1; while(y){ if(y&1)res*=x; x*=x; y>>=1; } return res; } int n; vector<int> p; vector<vector<int>> g;//g[i][0]がiの親. vector<vector<bool>> notmy; vector<int> ans; //「自分」「相手」の辺を決定する. bool dfs(int i){ if(i!=0 && g[i].size()==1)return true; bool res=false; rep2(j,int(i!=0),g[i].size()){ res^=(notmy[i][j]=dfs(g[i][j])); } return !res; } //その頂点「に」移動させることを選択した人がどれだけ獲得するか? int calc(int i){ if(g[i].size()==1 && i!=0){ return ans[i]=-1; } vector<int> mine; vector<int> ene; rep2(j,int(i!=0),g[i].size()){ if(notmy[i][j])ene.emplace_back(calc(g[i][j])); else mine.emplace_back(calc(g[i][j])); } sort(rall(mine)); sort(rall(ene)); int res=-1; //「ene」の個数が偶数個なら, mineは全て自分でとることになる. if(ene.size()%2==0){ for(auto &e:mine)res+=e; rep(j,ene.size()){ if(j%2==0)res+=ene[j]; else res-=ene[j]; } } else{ for(auto &e:mine)res+=abs(e); rep(j,ene.size()){ if(j%2==0)res+=ene[j]; else res-=ene[j]; } } return ans[i]=res; } int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); cout.precision(10); /*--------------------------------*/ cin >> n; p.resize(n); g.resize(n); rep(i,n-1){ cin >> p[i+1]; p[i+1]--; g[i+1].emplace_back(p[i+1]); g[p[i+1]].emplace_back(i+1); } notmy.resize(n); rep(i,n){ notmy[i].resize(g[i].size()); } ans.resize(n,0); dfs(0); dbg(notmy); calc(0); dbg(ans); cout << (n-ans.front())/2 << newl; }
//For higher stack size use g++ -O2 -std=c++11 -Wall -Wl,--stack=268435456 a.cpp -o a.exe in cmd #include <bits/stdc++.h> #include <cstdio> #include <cstring> #include <cmath> #include <cstring> #include <chrono> #include <complex> #define ll long long #define ld long double #define vi vector<int> #define vll vector<ll> #define vvi vector < vi > #define pii pair<int,int> #define pll pair<long long, long long> #define mod 1000000007 #define inf 1000000000000000001; #define all(c) c.begin(),c.end() #define mp(x,y) make_pair(x,y) #define mem(a,val) memset(a,val,sizeof(a)) #define eb emplace_back #define pb push_back #define f first #define s second using namespace std; int main() { std::ios::sync_with_stdio(false); int T; T=1; // cin.ignore(); must be there when using getline(cin, s) while(T--) { ll l,i,j,k; cin>>l; ll dp[l+1][13]; for(i=0;i<=l;++i) { for(j=0;j<=12;++j) dp[i][j]=0; } for(i=1;i<=l;++i) { dp[i][1]=1; for(j=2;j<=12;++j) { for(k=i-1;k>=1;--k) { dp[i][j]=dp[i][j]+dp[k][j-1]; } // cout<<i<<" "<<j<<" "<<dp[i][j]<<endl; } } cout<<dp[l][12]<<endl; } return 0; }
// #pragma GCC optimize("Ofast,unroll-loops") // #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native") #include <bits/stdc++.h> #define ll long long int #define vi vector<int> #define vvi vector<vector<int>> #define vll vector<long long> #define vs vector<string> #define vc vector<char> #define vb vector<bool> #define forn(i, s, n) for(ll i=(ll)s; i<(ll)(n); i++) #define all(c) c.begin(),c.end() #define pb push_back #define pll pair<long long int, long long int> #define pii pair<int, int> #define pss pair<string, string> #define ull unsigned long long int #define lld long double #define F first #define S second #define PI 3.141592653589793238 #define prec(n) fixed<<setprecision(n) #define ordered_set tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update> #define debug(...) fprintf(stderr, __VA_ARGS__), fflush(stderr) #define itsval(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); itval(_it, args); } using namespace std; // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> // using namespace __gnu_pbds; void itval(istream_iterator<string> it) {} template<typename T, typename... Args> void itval(istream_iterator<string> it, T a, Args... args) { cerr << *it << " = " << a << endl; itval(++it, args...); } const ll MOD = 1e9 + 7; template <typename T> inline void print(T x) {cout << x << "\n";} template <typename T> inline void printvec(T x) {for (auto a : x) cout << a << ' '; cout << '\n';} // ----------------------------------------------------------------------- struct custom { bool operator()(const pair<int, string> &p1, const pair<int, string> &p2)const { if (p1.F == p2.F) return p1.S < p2.S; return p1.F > p2.F; } }; // Calculate a^b % MOD ------------------------------------------------- ll get_pow(ll a, ll b, ll M = MOD) { ll res = 1; while (b) { if (b & 1) res = (res * a) % M; a = (a * a) % M; b >>= 1; } return res; } // --------------------------------------------------------------------- const ll N = 1e5 + 5, inf = 2e18; ll n, m, X, Y; std::vector<std::vector<pair<ll, pll>>> adj(N); // u, t,k void bfs() { vll dist(n, inf); dist[X] = 0; priority_queue<pll, std::vector<pll> , greater<pll>> s; s.push({0, X}); while (!s.empty()) { auto t = s.top(); s.pop(); if (t.F > dist[t.S]) continue; for (auto x : adj[t.S]) { ll to = x.F; ll m = (x.S.S - t.F % x.S.S) % x.S.S; if (dist[to] > t.F + m + x.S.F) { dist[to] = t.F + m + x.S.F; s.push({dist[to], to}); } } } if (dist[Y] == inf) cout << -1; else cout << dist[Y]; } void solve() { cin >> n >> m >> X >> Y; X--; Y--; ll x, y, t, k; forn(i, 0, m) { cin >> x >> y >> t >> k; x--; y--; adj[x].pb({y, {t, k}}); adj[y].pb({x, {t, k}}); } bfs(); } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output1.txt", "w", stdout); #endif int test = 1; //cin >> test; clock_t z = clock(); forn(tes, 0, test) { solve(); } debug("Total Time:%.4f\n", (double)(clock() - z) / CLOCKS_PER_SEC); return 0; }
#include <iostream> #include <vector> #include <string> #include <algorithm> #include <cstdio> #include <cstring> #include <cmath> using namespace std; using ll = long long; constexpr int P = 1000000007; ll powmod(ll n, ll k) { ll r = 1, t = n % P; for (; k != 0; k /= 2) { if (k & 1) r = r * t % P; t = t * t % P; } return r; } ll modinv(ll n) { return powmod(n, P - 2); } int main() { int n; cin >> n; //char aa, ab, ba, bb; //cin >> aa >> ab >> ba >> bb; constexpr int M = 4; char c[M]; for (int i = 0; i < M; i++) { cin >> c[i]; c[i] -= 'A'; } if (c[1] == 1) { for (int i = 0; i < M; i++) { c[i] ^= 1; } swap(c[0], c[3]); } if (c[0] == 0 || n <= 3) { cout << 1 << endl; quick_exit(0); } //10?? n -= 3; if (c[2] == 0) { ll dp[1000][2]; dp[0][0] = 1; dp[0][1] = 0; for (int i = 0; i < n + 1; i++) { dp[i + 1][0] = (dp[i][0] + dp[i][1]) % P; dp[i + 1][1] = dp[i][0]; } cout << dp[n + 1][0] << endl; } else { cout << powmod(2, n) << endl; } /* * 挿入していくだけなのでA[AB]*Bの形 * 難しいのはAABからABABになったあと BAがBのときBも好きなだけ伸ばせる(お尻のBは1個のまま) * BAがAのときBは1個のまま Aは好きな長さ */ return 0; }
#ifdef __LOCAL #define _GLIBCXX_DEBUG #endif #include <bits/stdc++.h> using namespace std; template<typename T> bool chmax(T &a,T b) {if(a<b) {a=b; return true;} return false;} template<typename T> bool chmin(T &a,T b) {if(a>b) {a=b; return true;} return false;} #define itn int #define fi first #define se second #define intmax numeric_limits<int>::max() #define llmax numeric_limits<ll>::max() #define rep(i,n) for(int i=0;i<(int)(n);i++) #define rep1(i,n) for(int i=1;i<=(int)(n);i++) #define rrep(i,n) for(int i=(int)(n)-1;i>=0;i--) #define rrep1(i,n) for(int i=(int)(n);i>=1;i--) #define all(vec) vec.begin(),vec.end() #define sortt(vec) sort((vec).begin(),(vec).end()) #define rsort(vec) sort((vec).rbegin(), (vec).rend()) typedef long long ll; typedef long double ld; typedef pair<ll,ll> pll; typedef pair<int,int> pii; typedef tuple<ll,ll,ll> tlll; typedef tuple<int,int,int> tiii; const ll mod=1e9+7; const int inf=1<<30; const ll lnf=1ll<<60; int main(){ vector<int> cnt(2000000,0); ll n,m; cin >> n >> m; vector<ll> a(n); rep(i,n){ cin >> a[i]; cnt[a[i]]++; } ll ans=inf; rep(i,2e6){ if(cnt[i]==0){ ans=i; break; } } map<ll,vector<ll> > mp; rep(i,n){ mp[a[i]].push_back(i); } for(auto c:mp)if(c.fi<ans){ auto v=c.se; rep(i,v.size()){ if(i==0&&v[i]-(-1)>m){ cout << c.fi << endl; return 0; } if(i==v.size()-1&&n-v[i]>m){ cout << c.fi << endl; return 0; } if(i!=v.size()-1&&v[i+1]-v[i]>m){ cout << c.fi << endl; return 0; } } } cout << ans << endl; }
#include<bits/stdc++.h> using namespace std; int h[1600000] = { 0 }; int num[1600000] = { 0 }; int main() { int n; cin >> n; int size; cin >> size; for (int i = 1;i <= n;i++) { cin >> h[i]; if (i <= size)num[h[i]]++; } int mina; for (int i = 0;;i++) { if (num[i] == 0) { mina = i; break; } } for (int i = 2;i <= n - size + 1;i++) { if (num[h[i - 1]] == 1 && h[i - 1] < mina&&h[i+size-1]!=h[i-1]) { mina = h[i - 1]; } num[h[i - 1]] = 0; num[h[i + size - 1]]++; } cout << mina<< endl; }
#include <bits/stdc++.h> using namespace std; int main() { int a,b; cin>>b>>a; cout<<b*2+100-a<<endl; return 0; }
#include <bits/stdc++.h> #define rep(i,a,b) for(int i=(a);i<=(b);++i) #define per(i,a,b) for(int i=(a);i>=(b);--i) using namespace std; int n,m; int main(){ scanf("%d%d",&n,&m); printf("%d",2*n+100-m); return 0; }
#include<bits/stdc++.h> using namespace std; typedef int64_t ll; typedef long double ld; const ll MOD=1000000007; const ll MODA=998244353; #define rep(i,n) for(ll i=0;i<(ll)(n);i++) long long gcd(long long a,long long b){ ll gcdmax=max(a,b); ll gcdmin=min(a,b); while(true){ if(gcdmax%gcdmin==0)break; else gcdmax%=gcdmin; swap(gcdmin,gcdmax); } return gcdmin; } ll powerup(ll N,ll P,ll M){ if(P==0)return 1; else if(P%2==0){ ll t=powerup(N,P/2,M); return t*t%M; } else return N*powerup(N,P-1,M)%M; } vector<ll> find_divisor(ll N){ ll k=1; while(k*k<=N){ k++; } vector<ll> A(1); rep(i,k){ if(i==1)A.at(0)=1; else if(i>=2){ if(N%i==0)A.push_back(i); } } ll t=0; t=A.size(); rep(i,t){ if(A.at(t-i-1)*A.at(t-i-1)!=N)A.push_back(N/A.at(t-1-i)); } return A; } vector<ll> fac; vector<ll> finv; vector<ll> inv; void COMinit(ll N,ll P){ rep(i,N+1){ if(i==0){ fac.push_back(1); finv.push_back(1); inv.push_back(1); } else if(i==1){ fac.push_back(1); finv.push_back(1); inv.push_back(1); } else{ fac.push_back(fac.at(i-1)*i%P); inv.push_back(P-inv.at(P%i)*(P/i)%P); finv.push_back(finv.at(i-1)*inv.at(i)%P); } } } ll COM(ll n,ll k,ll P){ if(n<k)return 0; if(n<0||k<0)return 0; return fac.at(n)*(finv.at(k)*finv.at(n-k)%P)%P; } struct UnionFind { vector<ll> par; // par[i]:iの親の番号 (例) par[3] = 2 : 3の親が2 UnionFind(ll N) : par(N) { //最初は全てが根であるとして初期化 for(ll i = 0; i < N; i++) par[i] = i; } ll root(ll x) { // データxが属する木の根を再帰で得る:root(x) = {xの木の根} if (par[x] == x) return x; return par[x] = root(par[x]); } void unite(ll x, ll y) { // xとyの木を併合 ll rx = root(x); //xの根をrx ll ry = root(y); //yの根をry if (rx == ry) return; //xとyの根が同じ(=同じ木にある)時はそのまま par[rx] = ry; //xとyの根が同じでない(=同じ木にない)時:xの根rxをyの根ryにつける } bool same(ll x, ll y) { // 2つのデータx, yが属する木が同じならtrueを返す ll rx = root(x); ll ry = root(y); return rx == ry; } }; int main(){ ll N,W; ll time=400000; vector<ll> A(time); cin>>N>>W; ll wmax=0; rep(i,N){ ll S,T,P; cin>>S>>T>>P; A.at(S)+=P; A.at(T)-=P; } rep(i,time){ if(i>0){ A.at(i)+=A.at(i-1); } wmax=max(A.at(i),wmax); } if(W>=wmax)cout<<"Yes"<<endl; else cout<<"No"<<endl; }
/* Ashraful Islam Paran 11-April-2021 18:14:49 */ #include <bits/stdc++.h> using namespace std; #define int long long #define f(n) for (int i = 0; i < n; i++) #define show(x, y) cout << x << " " << y << "\n" #define fo(i, x, n) for (int i = x; i < n; i++) #define fb(i, x, n) for (int i = n - 1; i >= x; i--) #define w(t) \ int t; \ cin >> t; \ while (t--) #define dbg(args...) \ do \ { \ cerr << #args << " : "; \ faltu(args); \ } while (0) clock_t tStart = clock(); #define timeStamp dbg("Execution Time: ", (double)(clock() - tStart) / CLOCKS_PER_SEC) void faltu() { cerr << endl; } template <typename T> void faltu(T a[], int n) { for (int i = 0; i < n; ++i) cerr << a[i] << ' '; cerr << endl; } template <typename T, typename... hello> void faltu(T arg, const hello &... rest) { cerr << arg << ' '; faltu(rest...); } typedef unsigned long long ull; typedef vector<long long> vi; #define msi map<string, long long> #define mii map<long long, long long> const int MX = 2e5 + 5; const int INF = 1e18; const int mod = 1e9 + 7; #define pb push_back #define endl "\n" #define yes cout << "YES\n" #define no cout << "NO\n" #define all(x) x.begin(), x.end() #define ff first #define ss second inline void normal(int &a) { if (a >= mod) a %= mod; (a < 0) && (a += mod); } inline int modMul(int a, int b) { normal(a), normal(b); return (a * b) % mod; } inline int modAdd(int a, int b) { normal(a), normal(b); return (a + b) % mod; } inline int modSub(int a, int b) { normal(a), normal(b); a -= b; normal(a); return a; } inline int modPow(int b, int p) { int r = 1; while (p) { if (p & 1) r = modMul(r, b); b = modMul(b, b); p >>= 1; } return r; } inline int modInverse(int a) { return modPow(a, mod - 2); } inline int modDiv(int a, int b) { return modMul(a, modInverse(b)); } void print(int a[], int n) { for (int i = 0; i < n; i++) { cout << a[i] << " "; } cout << endl; } void print(vi &v) { f(v.size()) { cout << v[i] << " "; } cout << endl; } bool sortbysec(const pair<int, int> &a, const pair<int, int> &b) { //return (a.second < b.second); if (a.first == b.first) { return (a.second > b.second); } else { return (a.ff < b.ff); } } int32_t main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); freopen("error.txt", "w", stderr); #else // online submission #endif ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int r, x, y; cin >> r >> x >> y; double a = (sqrt(x * x + y * y)); // int b=a; // dbg(b); double b = r; // cout<<(b+r-1)/r<<endl; dbg(a); double c = (a + 0) / b; // dbg(c); double ans = ceil(c); int cnt = ans; if (a < r) { cnt++; // dbg(1); } cout << cnt << endl; cerr << "Time : " << 1.0 * clock() / CLOCKS_PER_SEC << "s\n"; return 0; }
#include<iostream> #include<string> using namespace std; int main() { int T,N; cin >> T; string s1,s2,s3; int i,j; for(i=0;i<T;i++) { cin >> N >> s1 >> s2 >> s3; if(min(s1[0],s1[2*N-1]) == '0' && min(s2[0],s2[2*N-1]) == '0' && min(s3[0],s3[2*N-1]) == '0') { for(j=0;j<N;j++)cout << "1"; cout << "0"; for(j=0;j<N;j++)cout << "1"; cout << endl; } else if(max(s1[0],s1[2*N-1]) == '1' && max(s2[0],s2[2*N-1]) == '1' && max(s3[0],s3[2*N-1]) == '1') { for(j=0;j<N;j++)cout << "0"; cout << "1"; for(j=0;j<N;j++)cout << "0"; cout << endl; } else if(s1[0]+s2[0]+s3[0]-3*'0' > 1) { cout << "1"; for(j=0;j<N;j++)cout << "0"; for(j=0;j<N;j++)cout << "1"; cout << endl; } else { cout << "0"; for(j=0;j<N;j++)cout << "1"; for(j=0;j<N;j++)cout << "0"; cout << endl; } } }
//#include <bits/stdc++.h> #include <iostream> #include <iomanip> #include <math.h> #include <cmath> #include <algorithm> #include <climits> #include <functional> #include <cstring> #include <string> #include <cstdlib> #include <ctime> #include <cstdio> #include <vector> #include <stack> #include <queue> #include <deque> #include <map> #include <set> #include <bitset> #include <complex> //#include <ext/pb_ds/assoc_container.hpp> //#include <ext/pb_ds/tree_policy.hpp> #define itn int #define nit int #define ll long long #define ms multiset #define F(i,a,b) for(register int i=a,i##end=b;i<=i##end;++i) #define UF(i,a,b) for(register int i=a,i##end=b;i>=i##end;--i) #define re register #define ri re int #define il inline #define pii pair<int,int> #define cp complex<double> //#pra gma G CC opti mize(3) using namespace std; using std::bitset; //using namespace __gnu_pbds; const double Pi=acos(-1); namespace fastIO { template<class T> inline void read(T &x) { x=0; bool fu=0; char ch=0; while(ch>'9'||ch<'0') { ch=getchar(); if(ch=='-')fu=1; } while(ch<='9'&&ch>='0') x=(x*10-48+ch),ch=getchar(); if(fu)x=-x; } inline int read() { int x=0; bool fu=0; char ch=0; while(ch>'9'||ch<'0') { ch=getchar(); if(ch=='-')fu=1; } while(ch<='9'&&ch>='0') x=(x*10-48+ch),ch=getchar(); return fu?-x:x; } char _n_u_m_[40]; template<class T> inline void write(T x ) { if(x==0) { putchar('0'); return; } T tmp = x > 0 ? x : -x ; if( x < 0 ) putchar('-') ; register int cnt = 0 ; while( tmp > 0 ) { _n_u_m_[ cnt ++ ] = tmp % 10 + '0' ; tmp /= 10 ; } while( cnt > 0 ) putchar(_n_u_m_[ -- cnt ]) ; } template<class T> inline void write(T x ,char ch) { write(x); putchar(ch); } } using namespace fastIO; string s[4]; int p0[4][200002],p1[4][200002]; int n,t1,t2; char inv[10002]; int main() { inv['0']='1'; inv['1']='0'; F(qwqwq,1,read()) { cin>>n; cin>>s[1]>>s[2]>>s[3]; F(i,1,n)putchar('0');F(i,1,n)putchar('1');puts("0");continue; F(i,1,3)s[i].insert(0,"F"); F(i,1,3) { t1=t2=0; F(j,1,n+n) { if(s[i][j]=='0')p0[i][++t1]=j; else p1[i][++t2]=j; } } F(i,1,n) { if(p0[1][i]-p0[1][i-1]>1&&p0[2][i]-p0[2][i-1]>1&&p0[3][i]-p0[3][i-1]>1) { F(ii,1,n)putchar('1'); F(ii,2,i)putchar('0'); putchar('1'); F(ii,i,n)putchar('0'); goto ak; } } F(i,1,n) { if(p1[1][i]-p1[1][i-1]>1&&p1[2][i]-p1[2][i-1]>1&&p1[3][i]-p1[3][i-1]>1) { F(ii,1,n)putchar('0'); F(ii,2,i)putchar('1'); putchar('0'); F(ii,i,n)putchar('1'); goto ak; } } F(i,1,3)s[i]+=s[i]; F(i,1,3)p0[i][n+n+1]=p1[i][n+n+1]=4*n+1; F(i,1,3) { t1=t2=n; F(j,1,n+n) { if(s[i][j]=='0')p0[i][++t1]=j+n+n; else p1[i][++t2]=j+n+n; } } F(i,1,n+n+1) { if(p0[1][i]-p0[1][i-1]>1&&p0[2][i]-p0[2][i-1]>1&&p0[3][i]-p0[3][i-1]>1) { F(ii,2,i)putchar('0'); putchar('1'); F(ii,i,n+n)putchar('0'); goto ak; } } F(i,1,n+n+1) { if(p1[1][i]-p1[1][i-1]>1&&p1[2][i]-p1[2][i-1]>1&&p1[3][i]-p1[3][i-1]>1) { F(ii,2,i)putchar('1'); putchar('0'); F(ii,i,n+n)putchar('1'); goto ak; } } if((p0[1][n]!=n+n||p1[1][1]==1)&&(p0[2][n]!=n+n||p1[2][1]==1)&&(p0[3][n]!=n+n||p1[3][1]==1)) { F(ii,1,n)putchar('0'); putchar('1'); F(ii,1,n)putchar('0'); goto ak; } if((p1[1][n]!=n+n||p0[1][1]==1)&&(p1[2][n]!=n+n||p0[2][1]==1)&&(p1[3][n]!=n+n||p0[3][1]==1)) { F(ii,1,n)putchar('1'); putchar('0'); F(ii,1,n)putchar('1'); goto ak; } ak: ; putchar('\n'); } return 0; }
// 霽れを待つ #include <bits/stdc++.h> #define forn(i,s,t) for(register int i=(s);i<=(t);++i) using namespace std; const int N = 2e5 + 3; struct Lst {int dir, nxt;}E[N<<1]; int G[N], cnt; inline void Add(int u, int v) { E[++cnt].dir = v, E[cnt].nxt = G[u], G[u] = cnt; } int P, len; void Pre_dfs(int u, int lst, int d) { (d > len) && (len = d, P = u); for(register int i=G[u];i;i=E[i].nxt) { int v = E[i].dir; if(v == lst) continue ; Pre_dfs(v, u, d + 1); } } int son[N], res[N]; int dfs(int u, int lst, int d) { int Mxd = d; for(register int i=G[u];i;i=E[i].nxt) { int v = E[i].dir; if(v == lst) continue ; int Mxv = dfs(v, u, d + 1); if(Mxv > Mxd) Mxd = Mxv, son[u] = v; } return Mxd; } int tot = 1; void Fin_dfs(int u, int lst) { res[u] = tot; for(register int i=G[u];i;i=E[i].nxt) { int v = E[i].dir; if(v == lst || v == son[u]) continue ; tot ++ ; Fin_dfs(v, u); tot ++ ; } (son[u]) && (tot++, Fin_dfs(son[u], u), tot++); } int n; int main() { scanf("%d", &n); forn(i,2,n) { static int u, v; scanf("%d%d", &u, &v); Add(u, v), Add(v, u); } Pre_dfs(1, -1, 0); dfs(P, -1, 1); Fin_dfs(P, -1); forn(i,1,n) printf("%d%c", res[i], " \n"[i == n]); return 0; }
#include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <cmath> #include <vector> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <queue> #include <ctime> #include <cassert> #include <complex> #include <string> #include <cstring> #include <chrono> #include <random> #include <queue> #include <bitset> #include <stack> #include <functional> // AtCoder // #include <atcoder/all> // using namespace atcoder; #ifdef LOCAL #define eprintf(...) fprintf(stderr, __VA_ARGS__) #else #define eprintf(...) #endif #define rep_(i, a_, b_, a, b, ...) for (int i = (a), i##_len = (b); i < i##_len; ++i) #define rep(i, ...) rep_(i, __VA_ARGS__, __VA_ARGS__, 0, __VA_ARGS__) #define reprev_(i, a_, b_, a, b, ...) for (int i = (b)-1, i##_min = (a); i >= i##_min; --i) #define reprev(i, ...) reprev_(i, __VA_ARGS__, __VA_ARGS__, 0, __VA_ARGS__) #define all(x) (x).begin(), (x).end() template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return 1; } return 0; } #define fls(x) (64 - __builtin_clzll(x)) #define pcnt(x) __builtin_popcountll(x) using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair <int,int> P; typedef long double ld; int dx[] = {1, 0, -1, 0}, dy[] = {0, 1, 0, -1}; int main (void) { cin.tie(0); ios::sync_with_stdio(false); ll h, w; cin >> h >> w; vector<string> s(h); rep (i, h) cin >> s[i]; ll ans = 0; rep (i, h - 1) rep (j, w - 1) { int x = 0; rep (p, 2) rep (q, 2) x += (s[i + p][j + q] == '#'); if (x == 1 || x == 3) ans++; } cout << ans << "\n"; return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long #define ull unsigned long long #define lld long double #define pii pair<int,int> #define pll pair<ll,ll> #define pb push_back #define f first #define s second #define mk make_pair /*----------------------DEBUGGER---------------------------*/ #ifndef ONLINE_JUDGE #define debug(x) cerr << #x <<" "; _print(x); cerr << endl; #else #define debug(x) #endif void _print(ll t) {cerr << t;} void _print(int t) {cerr << t;} void _print(string t) {cerr << t;} void _print(char t) {cerr << t;} void _print(lld t) {cerr << t;} void _print(double t) {cerr << t;} void _print(ull t) {cerr << t;} template <class T, class V> void _print(pair <T, V> p); template <class T> void _print(vector <T> v); template <class T> void _print(set <T> v); template <class T, class V> void _print(map <T, V> v); template <class T> void _print(multiset <T> v); template <class T, class V> void _print(pair <T, V> p) {cerr << "{"; _print(p.f); cerr << ","; _print(p.s); cerr << "}";} template <class T> void _print(vector <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";} template <class T> void _print(set <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";} template <class T> void _print(multiset <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";} template <class T, class V> void _print(map <T, V> v) {cerr << "[ "; for (auto i : v) {_print(i); cerr << " ";} cerr << "]";} /*----------------------DEBUGGER---------------------------*/ int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); freopen("error.txt", "w", stderr); #endif int t = 1; //cin >> t; while (t--) { int n; cin >> n; cout << 6 << " " << 15 << " " << 10 << " "; int cnt = 0; for (int i = 2; i <= 10000; i++) { if (i == 6 || i == 15 || i == 10) continue; if (cnt == n - 3) break; if (__gcd(i, 6) > 1 && __gcd(i, 15) > 1 && __gcd(i, 10) > 1) { cout << i << " "; cnt++; } } }//while }//main
#include <bits/stdc++.h> #define MONKE 0 #define vt(x) vector < x > #define p(x, y) pair < x, y > #define M 1000000007 #define fl(i, a, b) for(int i = a; i < b; ++i) #define fld(i, a, b) for(int i = a; i >= b; --i) typedef long long ll; typedef long double ld; using namespace std; int main() { ios_base::sync_with_stdio(MONKE); //unsync uWu cin.tie(MONKE); //cin-cout unsync uWu int n; cin >> n; vector < int > ans(n); ans[0] = 6; ans[1] = 10; ans[2] = 15; int num = 18; for (int i = 3; i < n; ++i) { while ((num % 6) && (num % 10) && (num % 15)) num++; ans[i] = num++; } for (int i = 0; i < n; ++i) cout << ans[i] << " "; return MONKE; }
#include <bits/stdc++.h> // #include<iomanip> using namespace std; #define int long long int typedef pair<int, int> pii; #define f(i,a,b) for(int i=a;i<b;i++) #define fo(i,a,b) for(int i = a; i<=b;i+=1) // #define Vector vector #define rf(i,a,b) for(int i=a;i>=b;i--) #define vll vector<int> #define sz(a) int(a.size()) #define all(v) v.begin(), v.end() #define pb push_back #define pf push_front #define MAXN 100010 #define MOD 1000000007 #define mod 998244353 #define deb(x) cout << '>' << #x << ':' << x << endl; #define debug(x) cout << '>' << #x << ':' << x << " "; #define nl '\n' #define MS(x,y) fill_n(*x, sizeof x / sizeof **x, y); #define mem(x,y) memset(x,y,sizeof(x)); #define INF 1000000000000000000 #define IO \ ios::sync_with_stdio(0); \ cin.tie(0); \ cout.tie(0); void solve(){ int n; cin >> n; string s; cin >> s; stack<char> stk; char prev = '*', prevprev = '*'; for(int i = 0; i < n; i++){ if(stk.empty()){ stk.push(s[i]); } else { if(s[i] == 'x' and stk.size() >= 2){ prev = stk.top(); stk.pop(); prevprev = stk.top(); stk.pop(); if(prev == 'o' and prevprev == 'f'){ } else { stk.push(prevprev); stk.push(prev); stk.push(s[i]); } } else { stk.push(s[i]); } } } cout << stk.size() << nl; return ; } main() { IO; int T = 1; // cin >> T; for(int c=1; c <= T; c++){ solve(); // cout<<"Case #"<<c<<": "; } return 0; }
#include <bits/stdc++.h> #define ll long long #define map unordered_map #define set unordered_set #define l_l pair<ll, ll> #define P pair<ll, ll> #define vll vector<ll> #define mll map<ll, ll> #define mp make_pair #define rep(i, n) for (int i = 0, i##_len = (n); i < i##_len; ++i) #define reps(i, n) for (int i = 1, i##_len = (n); i <= i##_len; ++i) #define rev(i, n) for (int i = ((int)(n)-1); i >= 0; --i) #define revs(i, n) for (int i = ((int)(n)); i > 0; --i) // template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } // template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } using namespace std; const ll MOD = 1000000007LL; const ll INF = (1LL << 60LL); // template <class T> void plus_mod(T &a, const T &b) {a = (a + b) % MOD;} int main() { // std::cout << std::fixed << std::setprecision(10); ll r1, c1; scanf("%lld %lld", &r1, &c1); ll r2, c2; scanf("%lld %lld", &r2, &c2); ll dist = abs(r2 - r1) + abs(c2 - c1); if (dist <= 0) { cout << (0) << endl; return 0; } if (dist <= 3) { cout << (1) << endl; return 0; } ll sr = abs(r2 - r1); ll sc = abs(c2 - c1); if (abs(sr - sc) == 0) { // 1ワープ cout << (1) << endl; return 0; } else if (abs(sr - sc) <= 3) { // 1ワープ+徒歩 cout << (2) << endl; return 0; } else { if (dist % 2 == 0) { // 2ワープ cout << (2) << endl; return 0; } else { // 2ワープ+徒歩 if (dist <= 6) { cout << (2) << endl; return 0; } cout << (3) << endl; return 0; } } }
// E - White Pawn #include <bits/stdc++.h> using namespace std; int main(){ int N, M; cin>>N>>M; map<int,vector<int>> D; while(M--){ int x, y; cin>>x>>y; D[x].push_back(y); } set<int> S({N}); for(auto&[x, Y]:D){ vector<int> A; for(int&y:Y) if(S.count(y-1) || S.count(y+1)) A.push_back(y); for(int&y:Y) if(S.count(y)) S.erase(y); for(int&y:A) S.insert(y); } cout<< S.size() <<endl; }
//#pragma GCC optimize("Ofast") #include <bits/stdc++.h> #define rep2(a,i,n) for(ll i=(a);i<(n);i++) #define rep(i,n) for(ll i=0;i<(n);i++) #define pii pair<int, int> #define pll pair<ll, ll> #define cinf(x,n) for(ll i=0;i<(n);i++)cin>>x[i]; #define coutf(x,n) for(ll i=0;i<(n);i++)cout<<x[i]<<endl; typedef long long ll; typedef unsigned long long ull; typedef long double ld; using namespace std; int main(){ //ios::sync_with_stdio(false); //cin.tie(nullptr); //cout<<fixed<<setprecision(20); vector<int> a(3); cinf(a,3); sort(a.begin(),a.end()); cout << a[1]+a[2] << endl; }
#include<bits/stdc++.h> using namespace std; #define int long long #define pb push_back #define f(i,a,n) for(int i=a ; i<n ; i++) #define rf(i,n,a) for(int i=n ; i>=a ; i--) #define F first #define S second #define all(c) (c).begin(),(c).end() #define sz(v) (int)(v).size() #define fast ios::sync_with_stdio(0); cin.tie(0); cout.tie(0) typedef long long ll; typedef long double ld; typedef pair<int,int> pii; typedef vector<int> vi; const int inf = 1e9; const int inf64 = 1e18; const int MOD = inf + 7; void solve(){ int n; cin >> n; int m; cin >> m; int a[m+2]; f(i,0,m) cin >> a[i]; a[m] = 0; a[m+1] = n+1; sort(a, a+m+2); int gc = n; f(i,0,m+1) if(a[i+1] != a[i] + 1) gc = min(gc, a[i+1] - a[i] - 1); int ans = 0; f(i,0,m+1) ans += (a[i+1] - a[i] - 1 + gc - 1)/gc; cout << ans << "\n"; } int32_t main(){ fast; int t = 1; // cin >> t; while(t--) solve(); }
/*****************************************JAI SHREE RAM***************************************************/ #include<bits/stdc++.h> using namespace std; #define ll long long #define rep(i,n) for((i)=0;(i)<(n);(i)++) #define rep1(i,n) for((i)=1;(i)<=(n);(i)++) int main() { ll n, k; cin >> n >> k; int ans; while(k--) { string s = to_string(n); sort(s.begin(),s.end()); ll e = stoll(s); reverse(s.begin(),s.end()); ll f = stoll(s); n = f - e; if(n==0) break; } cout << n; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef pair<int,int> P; typedef pair<ll,ll> Pll; typedef pair<string,string> Pstring; typedef pair<double,double> Pdouble; #define REP(i,n) for(ll i=0;i<n;i++) #define REP1(i,n) for(ll i=1;i<=n;i++) #define Precision13 cout << fixed << setprecision(13) const double PI=3.14159265358979323846; const int MAX = 510000; const int MOD = 1000000007; const int INF = 1<<29; using Graph = vector<vector<int>>; int main(){ ll n; cin >> n; ll i = 1; ll sum = 0; while(true){ sum += i; if(sum>=n){ cout << i <<endl; return 0; } i++; } }
#include<cstdio> #include<cmath> #include<cstring> #include<iostream> #include<algorithm> #include<vector> #include<set> using namespace std; #define MAXN 500005 #define lowbit(x) (x&-x) #define reg register typedef long long LL; typedef unsigned long long uLL; typedef unsigned int uint; typedef pair<int,int> pii; const int INF=0x7f7f7f7f; const int mo=998244353; const double PI=acos(-1.0); template<typename _T> _T Fabs(_T x){return x<0?-x:x;} template<typename _T> void read(_T &x){ _T f=1;x=0;char s=getchar(); while(s>'9'||s<'0'){if(s=='-')f=-1;s=getchar();} while('0'<=s&&s<='9'){x=(x<<3)+(x<<1)+(s^48);s=getchar();} x*=f; } char str[MAXN],ans[MAXN<<2],sta[MAXN];int n,head,tail,stak; signed main(){ scanf("%s",str+1);n=(int)strlen(str+1);head=tail=2*n; for(int i=1;i<=n;i++){ if(str[i]=='R'){ if(head!=tail){ swap(head,tail); if(head<tail)head++,tail++; else head--,tail--; } } else{ if(head<=tail)ans[tail]=str[i],tail++; else ans[tail]=str[i],tail--; } //printf("%d %d:%c\n",head,tail,ans[i]); //if(head<tail)for(int i=head;i<tail;i++)putchar(ans[i]); //else for(int i=head;i>tail;i--)putchar(ans[i]);puts(""); } if(head<tail) for(int i=head;i<tail;i++) if(sta[stak]==ans[i])stak--; else sta[++stak]=ans[i]; else for(int i=head;i>tail;i--) if(sta[stak]==ans[i])stak--; else sta[++stak]=ans[i]; for(int i=1;i<=stak;i++)putchar(sta[i]); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; int sum = 0; for (int i = 0; i < N; i++) { int nuts; cin >> nuts; if (nuts > 10) { sum += (nuts - 10); } else { } } cout << sum << endl; }
/* dont stick to an approach */ #include <iostream> #include <iomanip> #include <cmath> #include <string> #include <algorithm> #include <list> #include <map> #include <queue> #include <set> #include <stack> #include <unordered_map> #include <vector> #include <numeric> #include <cstdlib> #include <bitset> using namespace std; typedef long long ll; typedef unsigned long long int ull; typedef long double ldb; #define PB push_back #define For(i, n) for (ll i = 0; i < n; i++) #define trav(a,x) for (auto& a : x) #define PYES cout<<"YES\n" #define PNO cout<<"NO\n" #define PYes cout<<"Yes\n" #define PNo cout<<"No\n" #define endl '\n' #define sq(x) (x*x) #define vll vector<ll> #define pll pair<ll,ll> #define ff first #define ss second #define rev(v) reverse(v.begin(),v.end()) #define srt(v) sort(v.begin(),v.end()) #define grtsrt(v) sort(v.begin(),v.end(),greater<int>()) #define mnv(v) *min_element(v.begin(),v.end()) #define mxv(v) *max_element(v.begin(),v.end()) #define all(v) v.begin(),v.end() #define ACC(v) accumulate(v.begin(),v.end(),0ll) #define Fas ios::sync_with_stdio(0), cin.tie(0), cout.tie(0) //--------------------------------------------functions-------------------------------------------------// ll power(ll a,ll b){ll result=1;while(b>0){if(b%2 == 1){result *= a;} a *= a;b /= 2;}return result;} ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;} ll countSetBits(ll x){ll Count=0;while(x>0){if(x&1) Count++;x=x>>1;}return Count;} bool isPerfectSquare(ll n){ll sr = sqrt(n);if (sr * sr == n)return true;else return false;} ll mod(ll x,ll M){return ((x%M + M)%M);} ll add(ll a, ll b,ll M){return mod(mod(a,M)+mod(b,M),M);} ll mul(ll a, ll b,ll M){return mod(mod(a,M)*mod(b,M),M);} ll powerM(ll a,ll b,ll M){ ll res=1ll; while(b){ if(b%2ll==1ll){ res=mul(a,res,M); } a=mul(a,a,M);b/=2ll; } return res; } //------------------------------------sieve of erantothenes-----------------------------------------------// //ll MAXN=2*1e5+100; //vector<ll> fact(MAXN); //void sieve_of_erantothenes() //{ // fact[1] = 1; // for (ll i = 2; i <= MAXN; i++) // fact[i] = i; // for (ll i = 4; i <= MAXN; i += 2) // fact[i] = 2; // for (ll i = 3; i * i <= MAXN; i++){ // if (fact[i] == i){ // for (ll j = i * i; j <= MAXN; j += i) // if (fact[j] == j) // fact[j] = i; // } // } //} //----------------------------------------nCr mod------------------------------------------------------// ll nCr(ll n, ll k){ if(n<k) return 0; if(k==0) return 1; ll res = 1; if (k > n - k) k = n - k; for(ll i = 0; i < k; ++i){ res *= (n - i); res /= (i + 1); } return res; } ll modInverse(ll n,ll M){ return powerM(n,M-2,M); } ll nCrM(ll n,ll r,ll M){ if(n<r) return 0; if(r==0) return 1; vector<ll> fact(n+1); fact[0]=1; for(ll i=1;i<=n;i++){ fact[i]=mul(fact[i-1],i,M); } return mul(mul(fact[n],modInverse(fact[r],M),M),modInverse(fact[n-r],M),M); } //-----------------------------------------------solve-----------------------------------------------------// void solve(){ ll n;cin>>n; cout<<ceil((ldb)(n)/100)<<endl; } int main(){ Fas; // freopen("input.txt","r",stdin); // freopen("output.txt","w",stdout); // ll t=0; // cin>>t; // while(t--) solve(); return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long #define pii pair<int,int> #define pb push_back #define mp make_pair #define vi vector<int> #define vll vector<ll> const int maxn = 2e5 + 5; const int mod = 1e9 + 7; int a[maxn]; ll dp[maxn][17]; int states; int main() { ios::sync_with_stdio(false); string b; cin >> b; int n = b.size(); int t; cin >> t; for (int i = 1 ; i <= n ; i++){ if (isdigit(b[i - 1])) a[i] = b[i - 1] - '0'; else a[i] = b[i - 1] - 'A' + 10; } for (int i = 0 ; i < n ; i++){ for (int j = 1 ; j <= 16 ; j++){ dp[i + 1][j] = (dp[i + 1][j] + dp[i][j] * j%mod)%mod; dp[i + 1][j + 1] = (dp[i + 1][j + 1] + dp[i][j] * (16 - j)%mod)%mod; } // 0 dp[i + 1][0] = (dp[i + 1][0] + dp[i][0])%mod; dp[i + 1][1] = (dp[i + 1][1] + dp[i][0] * 15 % mod) % mod; for (int j = 0 ; j < a[i + 1] ; j++){ int ns = states; // i = 0 , j = 0 只会发生在填第一位的时候,要特判 if (i || j) ns |= (1 << j); dp[i + 1][__builtin_popcount(ns)] += 1; } states |= (1 << a[i + 1]); } cout << dp[n][t] + (t == __builtin_popcount(states)) << endl; return 0; }
#include<bits/stdc++.h> #define rep(i,n) for(int i=0;i<n;++i) using namespace std; template<typename T> struct UnionFind { vector<int> d; //コンストラクタ UnionFind(int n = 0) : d(n, -1) {} //根の探索と張り替え int find(int x) { if (d[x] < 0) return x; //根のはりかえ return d[x] = find(d[x]); } //根の結合 bool unite(int x, int y) { x = find(x); y = find(y); if (x == y) return false; //大きい方に小さい方をくっつける if (x < y) swap(x, y); //サイズの更新 d[x] += d[y]; //結合 d[y] = x; return true; } //サイズの取得 int size(int x) { return -d[find(x)]; } //同じ集合に属しているか bool same(int x, int y) { return (find(x) == find(y)); } }; const int top = 100; const int bottom = -100; double dist(int x1, int x2, int y1, int y2) { double dx = (double) x1-x2; double dy = (double) y1-y2; return dx*dx+dy*dy; } int main() { int n; cin >> n; vector<int> x(n); vector<int> y(n); rep(i,n) cin >> x[i] >> y[i]; double up = 200, low = 0; rep(bi,80) { double mid = (up+low)/2; UnionFind<int> uf(n+2); //壁同士の判定 if(top-mid < bottom + mid) uf.unite(n,n+1); //上下の壁との判定 rep(i,n) { if(y[i] + mid > top - mid) uf.unite(i,n); if(y[i] - mid < bottom + mid) uf.unite(i,n+1); } //釘同士の判定 rep(i,n)rep(j,n) { if(i > j) continue; if(dist(x[i],x[j],y[i],y[j]) < 4*mid*mid) uf.unite(i,j); } if(uf.same(n,n+1)) up = mid; else low = mid; } cout << setprecision(7) <<endl; cout << low << endl; }
#include <bits/stdc++.h> #define rep(i,l,r) for(int i=l,i##_end=r;i<i##_end;++i) #define all(v) v.begin(), v.end() #define sz(x) ((int)(x).size()) #define uniera(v) v.erase(unique(all(v)), v.end()) using namespace std; using ll = long long; using P = pair<int, int>; int main(){ int n, k; cin >> n >> k; int sum = 0; rep(i, 1, n + 1){ rep(j, 1, k + 1){ sum += i * 100 + j; } } cout << sum << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define int long long #define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0) signed main() { fast; int n,k; cin>>n>>k; int sum=(k*(k+1))/2; sum*=n; int ans=(n*(n+1))/2; ans*=100; ans*=k; ans+=sum; cout<<ans<<"\n"; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) typedef long long ll; typedef pair<ll, ll> P; typedef vector<int> vi; typedef vector<ll> vl; const int MAX = 55; const ll MOD = 998'244'353; // input int N, K; vector<vi> A, B; ll perm[MAX]; void input() { cin >> N >> K; A = B = vector<vi>(N, vi(N)); rep(i, N) rep(j, N) { cin >> A[i][j]; B[j][i] = A[i][j]; } } struct UnionFind { vector<int> par; map<int, int> groups; UnionFind(int n) : par(n) { rep(i, n) par[i] = i; rep(i, n) groups[i] = 1; } int root(int x) { if (par[x] == x) return x; return par[x] = root(par[x]); } void unite(int x, int y) { int rx = root(x); int ry = root(y); if (rx == ry) return; if (groups[rx] < groups[ry]) swap(rx, ry); groups[rx] += groups[ry]; groups.erase(ry); par[ry] = rx; } bool same(int x, int y) { int rx = root(x); int ry = root(y); return rx == ry; } }; bool swap_ok(vector<vi> &w, int a, int b) { rep(i, N) { if (w[a][i] + w[b][i] > K) return false; } return true; } vector<P> link(vector<vi> w) { vector<P> ret; rep(a, N) { for (int b = a + 1; b < N; b++) { if (swap_ok(w, a, b)) ret.push_back(P(a, b)); } } return ret; } ll f(vector<P> &l) { UnionFind uf(N); for (P p : l) { uf.unite(p.first, p.second); } ll ret = 1; for (auto p : uf.groups) { ret *= perm[p.second]; ret %= MOD; } return ret; } int main() { input(); perm[0] = 1; for (int i = 1; i < MAX; i++) perm[i] = i * perm[i - 1] % MOD; vector<P> row_link = link(A); vector<P> col_link = link(B); ll ans = f(row_link) * f(col_link) % MOD; cout << ans << endl; }
#include <bits/extc++.h> using namespace std; using namespace __gnu_cxx; template<typename T> int ex(T p){ T a = 1; if(p == 0){ return a; } else{ for(T i = 1; i <= p; i++){ a = a*i%1000000007; } return a; } } template<typename T> int eq(T p, T q){ T r,s = 0,nextp,prevp = 0,prev2p = 1; if(q != 1){ while(s != 1){ r = p/q; s = p%q; nextp = prevp; prevp = prev2p - r * prevp; prev2p = nextp; p = q; q = s; } return prevp; } else{ return 0; } } template<typename T> int com(T p,T q){ T a,b,c,mod = 1000000007; a = ex(p); b = ex(q); for(T i = 1; i <= p-q; i++){ b = b*i%mod; } if(b != 1){ c = ((1 - eq(mod,b)*mod )/b + mod) %mod; } else{ c = 1; } return a*c%mod; } template<typename T> int gcd(T p,T q){ T s; while(q != 0){ s = p%q; p = q; q = s; } return p; } int main() { string S; cin >> S; cout << S[1] << S[2] << S[0] << endl; }
#include <bits/stdc++.h> using namespace std; int main(){ int pass; int ans=0; string s; for(int i=0; i<10; i++){ cin >> s ; } for(int i=0; i<10000; i++){ vector<int>a(10); pass=i; for(int j=0; j<4; j++){ a.at(pass%10)=1; pass/=10; } bool ok=true; for(int k=0; k<10; k++){ if(s[k]=='o' && a.at(k)!=1) ok=false; if(s[k]=='x' && a.at(k)!=0) ok=false; } if(ok) ans++; } cout << ans << endl; }
#include <bits/stdc++.h> #define rep(i,n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; using P = pair<int,int>; map<int, int> mp; void prime_factor(int x) { for (int i = 2; i * i <= x; i++) { if (x % i != 0) continue; while (x % i == 0) x /= i; mp[i]++; } if (x != 1) mp[x]++; return; } int main() { int n; cin >> n; vector<int> a(n); rep(i, n) cin >> a[i]; rep(i, n) prime_factor(a[i]); int ans = 0; int temp = 0; for (auto x : mp) { temp = max(temp, x.second); if (temp == x.second) ans = x.first; } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int n; string s; cin>>n>>s; vector<int>dp(n,1e9); vector<vector<int> >diff(26); for(int i=0;i<26;i++) for(int j=0;j<n;j++) if(s[j]!=i+'a') diff[i].push_back(j); vector<priority_queue<int> >pq(26); for(int i=1;i<n;i++) { if(pq[s[i]-'a'].empty()) { for(int j=0;j<diff[s[i]-'a'].size()&&diff[s[i]-'a'][j]<i;j++) dp[i]=min(dp[i],(diff[s[i]-'a'][j]?dp[diff[s[i]-'a'][j]-1]:0)+1); pq[s[i]-'a'].push(-dp[i]); } else dp[i]=-pq[s[i]-'a'].top(); } if(dp[n-1]>=1e9) cout<<-1; else cout<<dp[n-1]; return 0; }
#pragma GCC optimize("Ofast,unroll-loops") #pragma GCC target("avx,avx2,sse4,fma") #include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using uint = unsigned int; using ull = unsigned long long; using vl = vector<ll>; using vi = vector<int>; using vb = vector<bool>; using pll = pair<ll, ll>; using pii = pair<int, int>; using vpi = vector<pii>; using rng = default_random_engine; template <typename T> using minpq = priority_queue<T, vector<T>, greater<T>>; #define F first #define S second #define lb lower_bound #define ub upper_bound #define np next_permutation #define sz(v) int(v.size()) #define all(v) begin(v), end(v) #define popcnt __builtin_popcount const int dx[4] = {0, 1, 0, -1}; const int dy[4] = {1, 0, -1, 0}; const int INF = 2000069420; const int M1 = 1'000'000'007; const int M2 = 998'244'353; const int maxn = 1'000'005; const int maxg = 2'005; inline ull absul(ull a, ull b) { return a < b ? b-a : a-b; } char ch; int mp[256]; vector<ull> b[3]; void solve() { mp['R'] = 0; mp['G'] = 1; mp['B'] = 2; int n; cin >> n; for (ull a; cin >> a >> ch;) b[mp[ch]].push_back(a); vi ext; for (int i = 0; i < 3; ++i) { sort(all(b[i])); if (sz(b[i]) & 1) ext.push_back(i); } if (!sz(ext)) { cout << "0\n"; return void(); } assert(sz(ext) == 2); int i = ext[0], j = ext[1]; ull mn = 18e18; // try combining two dogs from clans i and j for (const ull &v: b[i]) { auto it1 = lb(all(b[j]), v); auto it2 = ub(all(b[j]), v); if (it1 == b[j].end())--it1; if (it2 != b[j].begin())--it2; mn = min({mn, absul(*it1,v), absul(*it2,v)}); } // Try combining two extra dogs to the third clan int k = 3-i-j; cerr << "mn = " << mn << '\n'; if (!sz(b[k])) { cout << mn << '\n'; return void(); } ull mn1 = 18e18, mn2 = 18e18; for (const ull &v: b[i]) { auto it1 = lb(all(b[k]), v); auto it2 = ub(all(b[k]), v); if (it1 == b[k].end())--it1; if (it2 != b[k].begin())--it2; mn1 = min({mn1, absul(*it1,v), absul(*it2,v)}); } for (const ull &v: b[j]) { auto it1 = lb(all(b[k]), v); auto it2 = ub(all(b[k]), v); if (it1 == b[k].end())--it1; if (it2 != b[k].begin())--it2; mn2 = min({mn2, absul(*it1,v), absul(*it2,v)}); } cerr << "mn1 = " << mn1 << '\n'; cerr << "mn2 = " << mn2 << '\n'; cerr << "mn1+mn2 = " << mn1+mn2 << '\n'; cout << min(mn, mn1+mn2) << '\n'; } int main() { cin.tie(nullptr) -> sync_with_stdio(false); int T = 1; // cin >> T; while (T--) solve(); }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (ll i = 0; i < (n); ++i) #define mp(p, q) make_pair(p, q) #define pb(n) push_back(n) #define all(a) a.begin(), a.end() typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef string str; typedef vector<ll> vll; typedef vector<ld> vd; typedef vector<bool> vb; typedef vector<char> vc; typedef vector<str> vs; typedef vector<vector<ll>> vvll; typedef vector<vector<ld>> vvd; typedef vector<vector<bool>> vvb; typedef vector<vector<char>> vvc; typedef vector<vector<str>> vvs; typedef vector<pair<ll, ll>> vpll; const ld PI = acos(-1.0); const ll MAX = 9000000000000000000; const ll MIN = -9000000000000000000; const ll MOD = 1000000007; template <typename T> void fin(T a) { cout << a << endl; exit(0); } void Main(void) { vll deri(4); rep(i, 4) cin >> deri[i]; ll bit = pow(2, 4); for(ll i = 1;i < bit - 1;i++) { ll a = 0, b = 0; ll tmp = i, count = 0; while(tmp) { if(tmp % 2) a += deri[count]; else b += deri[count]; tmp /= 2; count++; } if(a == b) fin("Yes"); } fin("No"); return; } int main(void) { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(12); //高精度少数表示 Main(); return 0; }
/* Over Again */ #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define sz(v) ((int)(v).size()) #define all(v) ((v).begin()),((v).end()) #define allr(v) ((v).rbegin()),((v).rend()) #define pb push_back #define mp make_pair #define clr(v,d) memset( v, d ,sizeof(v)) #define lcm(a,b) ((a*b)/(__gcd(a,b))) #define PI acos(-1) #define vec(a,b) ((b)-(a)) #define length(a) hypot( (a.imag()),(a.real()) ) #define normalize(a) (a)/(length(a)) #define point complex<double> #define dp(a,b) (((conj(a))*(b)).real()) #define same(p1,p2) ( dp( vec(p1,p2),vec(p1,p2)) < eps ) #define rotate0( a,ang) ((a)*exp( point(0,ang) )) #define rotateA(about,p,ang) (rotate0(vec(about,p),ang)+about) typedef long long ll ; typedef unsigned long long ull; const double eps= (1e-9); using namespace std; using namespace __gnu_pbds; int dcmp(double a,double b){ return fabs(a-b)<=eps ? 0: (a>b)? 1:-1 ;} int getBit(ll num, int idx) {return ((num >> idx) & 1ll) == 1;} int setBit1(int num, int idx) {return num | (1<<idx);} ll setBit0(ll num, int idx) {return num & ~(1ll<<idx);} ll flipBit(ll num, int idx) {return num ^ (1ll<<idx);} void GO(){ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);} int countNumBit1(int mask) {int ret=0; while (mask) {mask &= (mask-1);++ret; }return ret;} const ll N=100000+5,mod=1000000007,sh=201,inf=2000000000; typedef tree< pair<ll,ll> , null_type, less<pair<ll,ll> >, rb_tree_tag, tree_order_statistics_node_update> ordered_set; int main(){ GO(); int T=1; //cin>>T; while(T--){ int a,b,c; cin>>a>>b>>c; cout<<max(a+b,max(a+c,b+c))<<"\n"; } }
#include <iostream> #include <string> #include <stdio.h> #include <math.h> #include <queue> #include <algorithm> #include <utility> #include <vector> #include <tuple> #include <numeric> using namespace std; int main(int argc, char* argv[]){ int N,M; cin >> N >> M; vector<long long> A(N); vector<long long> B(N); vector <pair<int,int>> P(M); long long sum_a = 0; long long sum_b = 0; for(int i=0;i<N;i++){ cin >> A[i]; sum_a += A[i]; } for(int i=0;i<N;i++){ cin >> B[i]; sum_b += B[i]; } vector<int> num(N,0); for(int i=0;i<M;i++){ int c,d, tmp; cin >> c >> d; if(c>d){ tmp = c; c = d; d = tmp; } num[c-1]++; num[d-1]++; P[i] = make_pair(c, d); } bool flag = true; for(int i=0; i<N; i++){ if(num[i]==0 && A[i]!=B[i]){ flag = false; } } if(sum_a != sum_b || flag==false){ cout << "No" << endl; }else{ cout << "Yes" << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<vi> vvi; typedef vector<vll> vvll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<pii> vpii; typedef vector<pll> vpll; typedef vector<vpii> vvpii; typedef vector<vpll> vvpll; #define pb push_back #define mp make_pair #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define sz(x) (int)(x).size() #define fi first #define se second template<class T> bool ckmin(T &a, const T &b) {return a > b ? a = b, 1 : 0;} template<class T> bool ckmax(T &a, const T &b) {return a < b ? a = b, 1 : 0;} void __print(int x) {cerr << x;} void __print(long long x) {cerr << x;} void __print(double x) {cerr << x;} void __print(long double x) {cerr << x;} void __print(char x) {cerr << '\'' << x << '\'';} void __print(const string &x) {cerr << '\"' << x << '\"';} void __print(bool x) {cerr << (x ? "true" : "false");} template<typename T, typename V> void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';} template<typename T> void __print(const T &x) {int f = 0; cerr << '{'; for(auto z : x) cerr << (f++ ? "," : ""), __print(z); cerr << "}";} void _print() {cerr << "]\n";} template <typename T, typename... V> void _print(T t, V... v) {__print(t); if(sizeof...(v)) cerr << ", "; _print(v...);} #ifdef ljuba #define dbg(x...) cerr << "LINE(" << __LINE__ << ") -> " << "[" << #x << "] = ["; _print(x) #else #define dbg(x...) #endif const char nl = '\n'; void solve() { vi v(4); for(auto &z : v) cin >> z; int sumica = accumulate(all(v), 0); for(int i = 1; i < (1<<4); ++i) { int suma = 0; for(int j = 0; j < 4; ++j) { if((i>>j)&1) { suma += v[j]; } } if(suma * 2 == sumica) { cout << "Yes" << nl; return; } } cout << "No" << nl; } int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int testCases = 1; //cin >> testCases; while(testCases--) solve(); }
#include <bits/stdc++.h> #define int long long #define rep(i, n) for (int i = 0; i < (int)(n); i++) using namespace std; const int MOD = 1000000007; const int INF = numeric_limits<int>::max() / 2; typedef pair<int,int> P; using Graph = vector<vector<int>>; class UnionFind { public: vector <int> par; // 各元の親を表す配列 vector <int> siz; // 素集合のサイズを表す配列(1 で初期化) // Constructor UnionFind(int sz_): par(sz_), siz(sz_, (int)1) { for (int i = 0; i < sz_; ++i) par[i] = i; // 初期では親は自分自身 } void init(int sz_) { par.resize(sz_); siz.assign(sz_, (int)1); for (int i = 0; i < sz_; ++i) par[i] = i; // 初期では親は自分自身 } // Member Function // Find int root(int x) { // 根の検索 while (par[x] != x) { x = par[x] = par[par[x]]; // x の親の親を x の親とする } return x; } // Union(Unite, Merge) bool merge(int x, int y) { x = root(x); y = root(y); if (x == y) return false; // merge technique(データ構造をマージするテク.小を大にくっつける) if (siz[x] < siz[y]) swap(x, y); siz[x] += siz[y]; par[y] = x; return true; } bool issame(int x, int y) { // 連結判定 return root(x) == root(y); } int size(int x) { // 素集合のサイズ return siz[root(x)]; } }; signed main() { int N; cin >> N; int A[N], B[N]; UnionFind uf(400010); bool ok[400010]{}; rep(i,N){ cin >> A[i] >> B[i]; if(uf.issame(A[i], B[i]) || A[i] == B[i]){ ok[A[i]] = true; } else uf.merge(A[i], B[i]); } rep(i,400005){ if(ok[i]){ ok[uf.root(i)] = true; } } int ans = 0; rep(i,400005){ if(ok[i] && uf.size(i) == 1) ++ans; else if(uf.size(i) == 1) continue; else if(uf.root(i) != i) continue; else if(ok[i]) ans += uf.size(i); else ans += uf.size(i) - 1; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; //#define int long long #define pb push_back #define ppb pop_back #define pf push_front #define ppf pop_front #define all(x) (x).begin(),(x).end() #define uniq(v) (v).erase(unique(all(v)),(v).end()) #define sz(x) (int)((x).size()) #define fr first #define sc second #define pii pair<int,int> #define rep(i,a,b) for(int i=a;i<b;i++) #define mem1(a) memset(a,-1,sizeof(a)) #define mem0(a) memset(a,0,sizeof(a)) #define ppc __builtin_popcount #define ppcll __builtin_popcountll //#define rep(i, n) for (int i = 0; i < (int)(n); i++) //template<typename T1,typename T2>istream& opertor>>(istream& in,pair<T1,T2> &a){in>>a.fr>> //template<typename T1,typename T2>istream& opertor<<(ostream& out,pair<T1,T2> a){out<<a.fr<< template<typename T,typename T1>T amax(T &a,T1 b){if(b>a)a=b;return a;} template<typename T,typename T1>T amin(T &a,T1 b){if(b<a)a=b;return a;} //template<class T> void chmin(T& a, T b){if(a>b)a=b;} //template<class T> void chmax(T& a, T b){if(a<b)a=b;} const long long INF=1e18; const int32_t M=1e9+7; const int32_t MM=998244353; void out_vec_with_space(vector<auto> &v){ for ( int i = 0; i < v.size(); i++ ){ cout << ( i ? " " : "" ) << v[i]; } } int main() { int A,B; cin >> A >> B; vector<int> E_plus(A),E_minus(B); rep(i,0,A) { E_plus[i] = i+1; } rep(i,0,B) { E_minus[i] = -i-1; } if(A<B){ ll sum_B = 0; rep(i,A-1,B){ sum_B += E_minus[i]; } E_plus[A-1] = -sum_B; }else if(B<A){ ll sum_A = 0; rep(i,B-1,A){ sum_A += E_plus[i]; } E_minus[B-1] = -sum_A; } out_vec_with_space(E_minus); cout << " "; out_vec_with_space(E_plus); cout << endl; }
/////home/mohammed/.config/sublime-text-3/Packages/User /*input */ #include <bits/stdc++.h> #include <iostream> #include <vector> #include <string> #include <algorithm> #include <numeric> #include <math.h> #include <sstream> #include <iterator> #include <cstdlib> #include <unordered_map> #include <map> #include <list> #include <set> using namespace std; using bin = std::bitset<8>; #define endl ("\n") #define pi (3.141592653589) #define mod 1000000007 #define int int64_t #define float double #define ll long long #define pb push_back #define mp make_pair #define ff first #define ss second #define all(c) c.begin(), c.end() #define min3(a, b, c) min({a,b,c}) #define max3(a, b, c) max({a,b,c}) #define min4(a, b, c, d) min({a,b,c,d}) #define max4(a, b, c, d) max({a,b,c,d}) #define rrep(i, n) for(int i=n-1;i>=0;i--) #define rep(i,n) for(int i=0;i<n;i++) #define fast ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr) #define ld long double #define scanArray(a,n) for(int i = 0; i < n; i++){cin >> a[i];} #define coutArray(a,n) for(int i = 0; i < n; i++){cout << a[i] << " ";};cout << endl; #define input(type, n) type n; cin>>n; struct debugger { template<typename T> debugger& operator , (const T& v) { cerr << v << " "; return *this; } } dbg; bool check_key(map<int, int> m, int key) { if (m.find(key) == m.end()) return false; return true; } vector<int> SieveOfEratosthenes(int n) { bool prime[n + 1]; memset(prime, true, sizeof(prime)); vector<int> res; for (int p = 2; p * p <= n; p++) { if (prime[p] == true) { for (int i = p * p; i <= n; i += p) prime[i] = false; } } for (int p = 2; p <= n; p++) if (prime[p]) res.push_back(p); //cout << p << " "; return res; } // function to convert decimal to binary bin decToBinary(int n) { // array to store binary number int binaryNum[32]; // counter for binary array int i = 0; while (n > 0) { // storing remainder in binary array binaryNum[i] = n % 2; n = n / 2; i++; } string x = ""; // printing binary array in reverse order for (int j = i - 1; j >= 0; j--) { x += to_string(binaryNum[j]); } bin result{x}; return result; } // for example: // bin result = decToBinary(2); // bin result2 = decToBinary(10); // bin z = result xor result2; // cout << z; // return 0; int convertBinaryToDecimal(long long n) { int decimalNumber = 0, i = 0, remainder; while (n != 0) { remainder = n % 10; n /= 10; decimalNumber += remainder * pow(2, i); ++i; } return decimalNumber; } int factorial(int n) { long long res = 1; for (int i = 1; i <= n; i++) { res = ((res * i) % mod + mod) % mod ; } return res; } int32_t main() { fast; #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif input(string, s); rep(i, s.size()) { if (s[i] == '.') { return 0; } cout << s[i]; } }
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include<iostream> #include<cstdint> #include<cstddef> #include<vector> #include<iomanip> #include<cstring> //#include<atcoder/all> //using namespace atcoder; using namespace std; using i32 = int_fast32_t; using i64 = int_fast64_t; using f64 = long double; using usize = uint_fast64_t; template<typename T> using vec = vector<T>; #define rep(i, n) for (i64 i = 0; i < (i64)(n); ++i) #define all(a) (a).begin(),(a).end() #define rall(a) (a).rbegin(),(a).rend() using P = pair<i64,i64>; i64 a,b,c; i64 sum; f64 dp[101][101][101]; f64 solve(i64 x,i64 y,i64 z){ if(dp[x][y][z])return dp[x][y][z]; if(x == 100 || y == 100 || z == 100)return 0; f64 res = 0; res += x * (solve(x + 1, y,z) + 1) / (x + y + z); res += y * (solve(x,y + 1,z) + 1) / (x + y + z); res += z * (solve(x,y,z + 1) + 1) / (x + y + z); return dp[x][y][z] = res; } int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); cin >> a>> b >> c; cout << fixed << setprecision(10) << solve(a,b,c) << endl; }
#include <bits/stdc++.h> #define int long long #define double long double using namespace std; const int MOD = 998244353; const int INF = 1e18; using Graph = vector<vector<int>>; #define rep(i, n) for (int i = 0; i < (int)(n); i++) signed main(){ string S; cin >> S; int N = (int)S.size(); vector<pair<int, int>> ok; for (int bit = 0; bit < (1<<N); ++bit) { int now = 0; int cnt = 0; for (int i = 0; i < N; ++i) { if (bit & (1<<i)) { // i番目のbitが立っていれば int A = S[i]-'0'; now = now*10 + A; cnt++; } } if( now == 0 ) continue; if( now%3 == 0 ){ ok.push_back(make_pair(N-cnt, now)); } } if( ok.size() == 0 ){ cout << -1 << endl; }else{ sort(ok.begin(), ok.end()); cout << ok[0].first << endl; } }
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; vector<int> A(pow(2, N)); for (int i = 0; i < pow(2, N); i++) cin >> A.at(i); int max1 = A.at(0), max2 = A.at(pow(2, N - 1)); for (int i = 0; i < pow(2, N - 1); i++) { if (A.at(i) > max1) max1 = A.at(i); if (A.at(pow(2, N - 1) + i) > max2) max2 = A.at(pow(2, N - 1) + i); } int secondprize = min(max1, max2); for (int i = 0; i < pow(2, N); i++) { if (A.at(i) == secondprize) cout << i + 1 << endl; } }
#pragma GCC optimize("Ofast") #include<bits/stdc++.h> #include<iostream> #include<cmath> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #define mod 1000000007 #define one(x) __builtin_popcountll(x) #define zero(x) __builtin_ctzll(x) #define pp pair<ll,ll> #define all(x) (x).begin(), (x).end() #define removeDuplicates(a) a.resize(unique(all(a))-a.begin()) template<class T> using oset =tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update> ; typedef long long int ll; const int mxn = 2e6 + 10; ll b[mxn]; ll a[mxn]; array<ll, 2> arr[mxn]; void subMain(){ double x, y, z; cin >> x >> y >> z; //cout<<fixed<<setprecision(6); double ans=(y*1.00000)/x; ans=ans-0.000010; ans*=z; cout<<(int)(ans)<<"\n"; } int main(){ ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); /*int t, i = 0; cin >> t; while(t--){ //cout << "Case #" << i+1 << ": "; subMain(); //i++; }*/ subMain(); cerr<<"Time : "<<1000*((double)clock())/(double)CLOCKS_PER_SEC<<"ms\n"; return 0; }
/* dont stick to an approach */ #include <iostream> #include <iomanip> #include <cmath> #include <string> #include <algorithm> #include <list> #include <map> #include <queue> #include <set> #include <stack> #include <unordered_map> #include <vector> #include <numeric> #include <cstdlib> using namespace std; typedef long long ll; typedef unsigned long long int ull; typedef long double ldb; #define PB push_back #define For(i, n) for (ll i = 0; i < n; i++) #define trav(a,x) for (auto& a : x) #define PYES cout<<"YES\n" #define PNO cout<<"NO\n" #define PYes cout<<"Yes\n" #define PNo cout<<"No\n" #define endl '\n' #define sq(x) (x*x) #define vll vector<ll> #define rev(v) reverse(v.begin(),v.end()) #define srt(v) sort(v.begin(),v.end()) #define grtsrt(v) sort(v.begin(),v.end(),greater<int>()) #define mnv(v) *min_element(v.begin(),v.end()) #define mxv(v) *max_element(v.begin(),v.end()) #define all(v) v.begin(),v.end() #define Fas ios::sync_with_stdio(0), cin.tie(0), cout.tie(0) //--------------------------------------------functions-------------------------------------------------// ll power(ll a,ll b){ll result=1;while(b>0){if(b%2 == 1){result *= a;} a *= a;b /= 2;}return result;} ll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;} ll countSetBits(ll x){ll Count=0;while(x>0){if(x&1) Count++;x=x>>1;}return Count;} bool isPerfectSquare(ll n){ll sr = sqrt(n);if (sr * sr == n)return true;else return false;} ll mod(ll x,ll M){return ((x%M + M)%M);} ll add(ll a, ll b,ll M){return mod(mod(a,M)+mod(b,M),M);} ll mul(ll a, ll b,ll M){return mod(mod(a,M)*mod(b,M),M);} ll powerM(ll a,ll b,ll M){ ll res=1ll; while(b){ if(b%2ll==1ll){ res=mul(a,res,M); } a=mul(a,a,M);b/=2ll; } return res; } //------------------------------------sieve of erantothenes-----------------------------------------------// //ll MAXN=1e7+100; //vector<ll> fact(MAXN); //void sieve_of_erantothenes() //{ // fact[1] = 1; // for (ll i = 2; i <= MAXN; i++) // fact[i] = i; // for (ll i = 4; i <= MAXN; i += 2) // fact[i] = 2; // for (ll i = 3; i * i <= MAXN; i++){ // if (fact[i] == i){ // for (ll j = i * i; j <= MAXN; j += i) // if (fact[j] == j) // fact[j] = i; // } // } //} //----------------------------------------nCr mod------------------------------------------------------// ll modInverse(ll n,ll M){ return powerM(n,M-2,M); } ll nCrM(ll n,ll r,ll M){ if(n<r) return 0; if(r==0) return 1; vector<ll> fact(n+1); fact[0]=1; for(ll i=1;i<=n;i++){ fact[i]=mul(fact[i-1],i,M); } return mul(mul(fact[n],modInverse(fact[r],M),M),modInverse(fact[n-r],M),M); } //-----------------------------------------------solve-----------------------------------------------------// void solve(){ ldb x,y,z;cin>>x>>y>>z; for(ll i=1000008;i>=0;i--){ if(x*i<y*z){ cout<<i<<endl; return; } } } int main(){ Fas; // freopen("input.txt","r",stdin); // freopen("output.txt","w",stdout); // ll t=0; // cin>>t; // while(t--) solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define mp make_pair #define pb push_back #define eprintf(...) fprintf(stderr, __VA_ARGS__) #define rep(i, n) for (int i = 0; i < (int)(n); ++ i) int dp[3005][3005]; int main() { int n, k; cin >> n >> k; const int mod = 998244353; dp[0][k] = 1; rep(i, n + 1) rep(j, n + 1) if (i || j > k) dp[i][j] = ( (i ? dp[i - 1][j + 1] : 0) + (j & 1 ? 0 : dp[i][j / 2])) % mod; cout << dp[n][0] << endl; return 0; }
#include <iostream> #include <math.h> #include <cmath> #include <algorithm> #include <utility> #include <vector> #define ll long long using namespace std; int main() { int arr[3]={0,0,0}; int x, y; cin >> x >> y; arr[x]++; arr[y]++; if(x==y){cout << x;} else{ if(arr[0]==0){cout << "0";} else if(arr[1]==0){cout << "1";} else if(arr[2]==0){cout << "2";} } }
#include <bits/stdc++.h> #define mk make_pair #define fs first #define sc second using namespace std; typedef long long ll; typedef long double ld; // please, read the question correctly (do you need set or multiset)??? const int N=200010; //check the limits, dummy int a[N]; int n, m, md; int mem[101][101][101]; int dp(int x, int rm, int nm){ if(nm==m){ if(rm == md){ return 0; } else{ return -2e9; } } if(x>=n){ return -2e9; } if(mem[x][rm][nm]!=-1){ return mem[x][rm][nm]; } ll res; res = max(dp(x+1, rm, nm), a[x]+dp(x+1, (rm+a[x])%m, nm+1)); mem[x][rm][nm]=res; return res; } int main(){ ll x; scanf("%d%lld",&n,&x); for(int i=0; i<n; ++i){ scanf("%d",a+i); } ll ans = 10+1e18, tmp; for(ll i=1; i<=n; ++i){ m = i; md = x%i; memset(mem, -1, sizeof mem); tmp = dp(0, 0, 0); if(tmp>=0){ ans = min(ans, (x-tmp)/i); } } cout<<ans<<endl; }
#pragma GCC optimize("Ofast","unroll-loops","omit-frame-pointer","inline") #pragma GCC option("arch=native","tune=native","no-zero-upper") #pragma GCC target("avx2") #include <bits/stdc++.h> using namespace std; #define INF 2147483647 #define infL (1LL<<60) #define inf (1<<30) #define inf9 (1000000000) #define MOD 1000000007//998244353//1000000007 #define EPS 1e-9 #define Gr 9.8 #define PI acos(-1) #define REP(i,n) for(int (i)=0;(i)<(int)(n);(i)++) #define REQ(i,n) for(int (i)=1;(i)<=(int)(n);(i)++) #define lch (rt<<1) #define rch (rt<<1|1) #define readmp(n) for(int i=0,u,v;i<n;i++) {scanf("%d%d",&u,&v); mp[u].push_back(v); mp[v].push_back(u);} typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef long double ld; typedef unsigned int uint; typedef unsigned long long ull; typedef ll ValType; template<typename T> void maxtt(T& t1, T t2) { t1=max(t1,t2); } template<typename T> void mintt(T& t1, T t2) { t1=min(t1,t2); } #define MAX (135) bool debug = 0; int n,m,k; int dx[4] = {0,1,0,-1}, dy[4] = {1,0,-1,0}; string direc="RDLU"; const ll MOD2 = (ll)MOD * (ll)MOD; ll ln, lk, lm; void etp(bool f = 0) { puts(f ?"YES" : "NO"); exit(0); } void addmod(int &x, int y, int mod = MOD){ x+=y; if (x>=mod) x-=mod; if(x<0) x+=mod; assert(x>=0 && x<mod); } void et(int x=-1) { printf("%d\n", x); exit(0); } ll fastPow(ll x, ll y, int mod=MOD) { ll ans = 1; while(y>0) { if(y&1) ans = (x * ans)%mod; x = x*x%mod; y>>=1; } return ans; } ll gcd1(ll x, ll y) { return y?gcd1(y,x%y):x; } void fmain(int tid) { scanf("%d%lld", &n,&lk); vector<int> a(n+1, 0); REQ(i,n) scanf("%d", &a[i]); ll ans=infL; REQ(c, n) { vector<vector<vector<int>>> dp(n+1, vector<vector<int>>(c+1, vector<int>(c+1,-1))); dp[0][0][0]=0; REQ(i,n) { for(int j=0;j<=c;j++) REP(z,c) if (dp[i-1][j][z]!=-1) { maxtt(dp[i][j][z], dp[i-1][j][z]); if(j<c) maxtt(dp[i][j+1][(z+a[i])%c], dp[i-1][j][z] + a[i]); } } int z=lk%c; if (dp[n][c][z] != -1){ ll tt= lk-dp[n][c][z]; assert(tt%c==0); mintt(ans, tt/c); } } printf("%lld\n", ans); } int main() { int t=1; // init(); // scanf("%d", &t); REQ(i,t) { fmain(i); } return 0; }
#include<bits/stdc++.h> using namespace std; const long long mod=998244353,INF=1e18; #define ll long long #define line cout<<"\n"; #define flush cout<<endl; #define pll pair<ll,ll> #define x first #define y second #define p_all(arr) for(auto i:arr){cout<<i<<" ";}cout<<"\n"; ll k,n; vector<vector<ll> > tree; ll cnt=0; ll dfs(ll u,ll pa,ll num) { ll ma1=0,ma2=0,mi=0; for(auto v:tree[u]) { if(v!=pa) { ll temp=1LL+dfs(v,u,num); ma2=max(ma2,temp); mi=min(mi,temp); if(ma2>ma1) { swap(ma2,ma1); } } } if(mi<0&&abs(mi+1)>=ma1) { return mi; } if(ma1==num) { cnt++; ma1=-num-1; } else if(pa==-1) { if(ma1>=0) cnt++; } return ma1; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL);cout.tie(NULL); ll t=1; // cin>>t; for(ll test=1;test<=t;test++) { cin>>n>>k; tree.resize(n); for(int i=0;i<n-1;i++) { ll u,v; cin>>u>>v; u--,v--; tree[u].push_back(v); tree[v].push_back(u); } ll l=1,r=n; while(l<r) { ll m=(l+r)/2; cnt=0; ll count1=dfs(0,-1,m); if(cnt<=k) { r=m; } else { l=m+1; } } cout<<l<<"\n"; } return 0; }
#include<algorithm> #include<iostream> #include<cstring> #include<cstdio> #include<vector> //#define puts sdf using std::vector; //using std::cout; //using std::endl; using std::sort; using std::swap; using std::min; using std::max; int read(){//int 无负数 int h=0;char c=getchar(); while(c<'0'||c>'9')c=getchar(); while(c>='0'&&c<='9')h=(h<<1)+(h<<3)+c-'0',c=getchar(); return h; } const int MAXN=200100; int K,n; struct Edge{ int to; int nxt; }edge[MAXN<<1]; int frm[MAXN]; int cnt_e; void insert_e(int u,int v){ cnt_e++; edge[cnt_e].to=v; edge[cnt_e].nxt=frm[u]; frm[u]=cnt_e; } int Fa[MAXN]; int Rt,mns,S; int siz[MAXN]; bool vis[MAXN]; void get_rt(int x,int ff){ siz[x]=1;int mxs=0; for(int i=frm[x];i;i=edge[i].nxt){ int v=edge[i].to;if(v==ff||vis[v])continue; get_rt(v,x); siz[x]+=siz[v]; mxs=max(mxs,siz[v]); } mxs=max(mxs,S-siz[x]); if(mxs<mns)Rt=x,mns=mxs; } int Dt[MAXN];//点分树上的深度 int dis[MAXN][21]; //x到点分树上深度为D的那个祖先的距离 int mndis[MAXN];//距离他最近的点 void get_dis1(int U,int x,int ff,int dep,int D){ dis[x][D]=dep; for(int i=frm[x];i;i=edge[i].nxt){ int v=edge[i].to;if(v==ff||vis[v])continue; get_dis1(U,v,x,dep+1,D); } } void divide(int x,int D){//D是点分树上的深度 vis[x]=true; Dt[x]=D; get_dis1(x,x,x,0,D); for(int i=frm[x];i;i=edge[i].nxt){ int v=edge[i].to;if(vis[v])continue; S=siz[v],mns=siz[v],get_rt(v,v); Fa[Rt]=x;divide(Rt,D+1); } } void Modify(int x){ int rt=x; for(;rt;rt=Fa[rt]){ mndis[rt]=min(mndis[rt],dis[x][Dt[rt]]); // cout<<"MODIFY"<<x<<" "<<rt<<" "<<mndis[rt]<<endl; } } bool Query(int x,int mid){ int rt=x; for(;rt;rt=Fa[rt]){ // cout<<"QUERY "<<x<<' '<<rt<<" "<<mndis[rt]<<' '<<dis[x][Dt[rt]]<<endl; if(mndis[rt]+dis[x][Dt[rt]]<=mid)return true; } return false; } int fa[MAXN][19]; int dep[MAXN]; int qwq[MAXN];//按深度排序 bool cmp(int x,int y){ return dep[x]>dep[y]; } void pre_dfs(int x,int ff){ fa[x][0]=ff;dep[x]=dep[ff]+1; for(int i=1;i<=18;i++)fa[x][i]=fa[fa[x][i-1]][i-1]; for(int i=frm[x];i;i=edge[i].nxt){ int v=edge[i].to;if(v==ff)continue; pre_dfs(v,x); } } int get_fa(int x,int k){ int nw=x; for(int i=0;i<=18;i++){ if(k&(1<<i))nw=fa[nw][i]; } return nw; } bool ch_ck(int mid){ // cout<<"MID"<<':'<<mid<<endl; memset(mndis,0x3f,sizeof(mndis)); // for(int i=1;i<=n;i++)mndis[i]=-0x3f3f3f3f; int cnt=0; for(int i=1;i<=n;i++){ int x=qwq[i]; if(Query(x,mid))continue; int fk=get_fa(x,mid); cnt++;Modify(fk); // cout<<"WORK"<<x<<" "<<fk<<endl; if(cnt>K)return false; } return true; } int get_ans(){ int l=0,r=n; while(l+1<r){ int mid=(l+r)>>1; if(ch_ck(mid)){ r=mid; } else l=mid+1; } if(l==r)return r; if(ch_ck(l))return l; return r; } int main(){ n=read(),K=read(); for(int i=1;i<=n-1;i++){ int u=read(),v=read(); insert_e(u,v),insert_e(v,u); } S=n,mns=n,get_rt(1,1); divide(Rt,0); pre_dfs(1,1); for(int i=1;i<=n;i++)qwq[i]=i;sort(qwq+1,qwq+n+1,cmp); // for(int i=1;i<=n;i++)cout<<qwq[i]<<" ";puts(""); // for(int i=1;i<=n;i++){ // for(int j=0;j<=18;j++)cout<<fa[i][j]<<" ";puts(""); // } printf("%d\n",get_ans()); return 0; }
#pragma GCC optimize("O3") // #include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for(int i = a; i < (b); ++i) #define per(i, b, a) for(int i = b - 1; i >= a; i--) #define trav(a, x) for(auto& a : x) #define all(x) x.begin(), x.end() #define sz(x) (int)(x).size() typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<int> vi; typedef vector<ll> vl; typedef long double ld; typedef unsigned long long ull; unsigned seed = chrono::system_clock::now().time_since_epoch().count(); mt19937 eng(seed); ll random2(){ return (1ll << 31ll)*eng()+eng(); } ll n,m,k,q,T; const ll big = 1000000007; const ll big2 = 1000000009; const ll mod = 998244353; const int MAXN = 400001; vi X,Y,ind1,ind2; bool comp1(int i, int j){ return X[i] < X[j]; } bool comp2(int i, int j){ return Y[i] < Y[j]; } set<ll> S; vi nums; void f(int i, int j){ if(i == j)return; if(i > j)swap(i, j); if(S.find(ll(i)*MAXN + ll(j)) != S.end())return; S.insert(ll(i)*MAXN + ll(j)); nums.push_back(max(abs(X[i]-X[j]), abs(Y[i]-Y[j]))); } int main() { ios_base::sync_with_stdio(0); cin.tie(0); //freopen("fhc.txt","r",stdin); //freopen("autput.txt","w",stdout); ll a,b,c,d,e; cin >> n; rep(c1,0,n){ cin >> a >> b; X.push_back(a); Y.push_back(b); ind1.push_back(c1); ind2.push_back(c1); } sort(all(ind1), comp1); sort(all(ind2), comp2); rep(c1,0,n){ f(ind1[0], c1); f(ind2[0], c1); f(ind1[n-1], c1); f(ind2[n-1], c1); } sort(all(nums)); cout << nums[sz(nums)-2] << "\n"; return 0; }
#include<bits/stdc++.h> using namespace std; #define N 200005 int n,x[N],y[N],i,p1,p2,ans,f1[N],f2[N]; int main(){ cin>>n; for(i=1;i<=n;++i)cin>>x[i]>>y[i],f1[i]=x[i],f2[i]=y[i]; sort(x+1,x+n+1);sort(y+1,y+n+1); if(x[n]-x[1]>y[n]-y[1]){ for(i=1;i<=n;++i)swap(x[i],y[i]),swap(f1[i],f2[i]); } ans=max(y[n]-y[2],y[n-1]-y[1]); ans=max(ans,max(x[n]-x[2],x[n-1]-x[1])); for(i=1;i<=n;++i){ if(f2[i]==y[n])p1=i; if(f2[i]==y[1])p2=i; } if(abs(f1[p1]-f1[p2])!=x[n]-x[1])ans=max(ans,x[n]-x[1]); cout<<ans; }
#include <bits/stdc++.h> using namespace std; #define M1 1000000007 #define M3 1000000009 #define M2 998244353 #define ll long long #define ld long double #define pll pair<ll,ll> #define rep(i,a,b) for(ll i=a;i<b;i++) #define repr(i,a,b) for(ll i=b-1;i>=a;i--) #define forr(i,n) for(ll i=0;i<n;i++) #define F first #define S second #define pb push_back #define DB pop_back #define mp make_pair #define MT make_tuple #define V(a) vector<a> #define vi vector<ll> #define endl '\n' #define ce(ele) cout<<ele<<' ' #define cs(ele) cout<<ele<<'\n' #define csv(v) for(int i=0;i<v.size();i++)cout<<v[i]<<' ' #define yep cout<<"YES"<<'\n' #define nope cout<<"NO"<<'\n' #define CASE(te) ll te; cin>>te; while(te--) #define sor(v) sort(v.begin(),v.end()) #define rev(v) reverse(v.begin(),v.end()) void FAST() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); } vi arr[2001]; int vis[2001]; void dfs(int node) { vis[node]=1; for(auto x:arr[node]) { if(vis[x]==0) { dfs(x); } } } int main() { FAST(); ll n,m; cin>>n>>m; forr(i,m) { ll a,b; cin>>a>>b; arr[a].push_back(b); } ll ans=0; for(int i=1;i<=n;i++) { dfs(i); ll c=0; for(int j=1;j<=n;j++) if(vis[j]==1) { c++; vis[j]=0; } ans+=c; } cs(ans); }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef pair<ll, ll> pll; #define FOR(i, n, m) for(ll (i)=(m);(i)<(n);++(i)) #define REP(i, n) FOR(i,n,0) #define OF64 std::setprecision(40) const ll MOD = 1000000007; const ll INF = (ll) 1e15; struct Vertex { vector<pll> node; }; Vertex V[2005]; int main() { cin.tie(0); ios::sync_with_stdio(false); ll N, M; cin >> N >> M; REP(i, M) { ll a, b, c; cin >> a >> b >> c; a--; b--; V[a].node.push_back(pll(b, c)); } REP(i, N) { vector<ll> dist(N, INF); priority_queue<pll, vector<pll>, function<bool(pll, pll)>> q([](pll a, pll b) { return a.second > b.second; }); q.push(pll(i, 0)); while (!q.empty()) { pll t = q.top(); q.pop(); if(dist[t.first]<t.second)continue; for (auto &v : V[t.first].node) { ll nxt = v.first; ll cost = t.second + v.second; if (dist[nxt] <= cost) continue; dist[nxt] = cost; q.push(pll(nxt, cost)); } } ll ret = dist[i]; if (ret == INF) ret = -1; cout << ret << endl; } return 0; }
#pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,fma,abm,mmx,avx,avx2") #pragma GCC target("avx2") #pragma GCC optimize("Ofast") // #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; template <typename T = long long, const int sz = 5 * 10000000> struct IO { char reader[sz], writer[sz]; char *now, *now2 = writer; IO() { reader[fread(reader, sizeof(char), sizeof(char) * sz, stdin)]; now = reader; } inline T read() { while(*now && *now <= 32) now++; if(*now == '-') { now++; T res = 0; while('0' <= *now and *now <= '9') { res = res * 10 + *now++ - '0'; } return -res; } else { T res = 0; while('0' <= *now and *now <= '9') { res = res * 10 + *now++ - '0'; } return res; } } inline void read(T &res) { while(*now && *now <= 32) now++; if(*now == '-') { now++; res = 0; while('0' <= *now and *now <= '9') { res = res * 10 + *now++ - '0'; } res = -res; } else { res = 0; while('0' <= *now and *now <= '9') { res = res * 10 + *now++ - '0'; } } } inline string read_str() { string res; while(*now and *now != '\n' and *now != ' ') res += *now++; now++; return res; } inline void write(T x, char margin = ' ') { if(x == 0) { putchar('0'); putchar(margin); return; } if(x < 0) { putchar('-'); x = -x; } while(x) { *now2 = '0' + x % 10; now2++; x /= 10; } do { now2--; putchar(*now2); } while(now2 != writer); putchar(margin); } inline void write_str(string s, char margin = ' ') { for(auto c : s) putchar(c); putchar(margin); } }; IO<uint64_t> io; inline uint64_t read() { return io.read(); } inline void write(uint64_t x) { io.write(x); } int n, q; uint64_t a[100010], k; int main() { n = read(), q = read(); for(int i = 0; i < n; i++) a[i] = read() - i; a[n] = 1LL << 63; n++; while(q--) { k = read(); if(a[n - 2] <= k) { write(k + n - 1); continue; } for(int i = 0; i < n; i++) { if(a[i] > k) { write(k + i); break; } } } }
#include <bits/stdc++.h> #define err(args...) {} #ifdef DEBUG #include "_debug.cpp" #endif using namespace std; using ll = long long; using ld = long double; template <typename T> using lim = numeric_limits<T>; template <typename T> istream& operator>>(istream& is, vector<T>& a) { for(T& x : a) { is >> x; } return is; } template <typename X, typename Y> istream& operator>>(istream& is, pair<X, Y>& p) { return is >> p.first >> p.second; } template <bool Directed, typename TEdge, bool Index> struct graph { using EType = TEdge; vector<TEdge> edges; vector<vector<int>> adj; graph(int n) : adj(n + Index) {} graph(int n, int m) : graph(n) { edges.reserve(m << not Directed); } TEdge& operator()(int e) { return edges[e]; } vector<int>& operator[](int u) { return adj[u]; } int size() { return adj.size() - Index; } void append(int u, const TEdge& e) { adj[u].push_back(edges.size()); edges.push_back(e); } void add_edge(const TEdge& e) { append(e.u, e); if(not Directed) append(e.v, e.reverse()); } }; template <typename T> using f = function<T>; template <typename TEdge> struct dfs_params { f<void(int)> pre_node = [](int) -> void {}; f<void(int)> pos_node = [](int) -> void {}; f<void(TEdge&)> pre_edge = [](TEdge&) -> void {}; f<void(TEdge&)> pos_edge = [](TEdge&) -> void {}; int root = 0; }; template <bool Directed, typename TEdge, bool Index, typename TParamsetter = f<void(dfs_params<TEdge>&)>> vector<int> dfs(graph<Directed, TEdge, Index>& g, const TParamsetter& psetter = [](dfs_params<TEdge>&) {}) { static_assert(is_convertible<decltype(psetter), f<void(dfs_params<TEdge>&)>>::value, "psetter must be void(dfs_params<TEdge>&)"); dfs_params<TEdge> params; psetter(params); vector<int> component(g.adj.size()); function<void(int, int)> dfs = [&](int u, int c) { component[u] = c; params.pre_node(u); for(int e : g[u]) if(not component[g(e).v]) { params.pre_edge(g(e)), dfs(g(e).v, c), params.pos_edge(g(e)); } params.pos_node(u); }; if(params.root) { dfs(params.root, 1); } else { for(int u = Index, c = 0; u < g.adj.size(); u++) if(not component[u]) { dfs(u, ++c); } } return component; } struct edge { int u, v; edge reverse() const { return {v, u}; } friend ostream& operator<<(ostream& os, const edge& e) { return os << "{u: " << e.u << ", v: " << e.v << "}"; } }; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<int> c(n + 1); for(int i = 1; i <= n; i++) { cin >> c[i]; } graph<0, edge, 1> g(n, n - 1); for(int i = 0; i < n - 1; i++) { int u, v; cin >> u >> v; g.add_edge({u, v}); } vector<int> counter(100'000 + 1), good(n + 1); dfs(g, [&](auto& p) { p.pre_node = [&](int u) { counter[c[u]] += 1; }; p.pos_node = [&](int u) { counter[c[u]] -= 1; good[u] = counter[c[u]] == 0; }; }); for(int i = 1; i <= n; i++) { if(good[i]) { cout << i << endl; } } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<int,int> pii; typedef pair<ll,ll> pll; typedef pair<double,int> P; typedef tuple<int,int,int> tii; typedef vector<int> vec; typedef vector<vec> mat; #define rep(i,s,n) for(int i=(int)(s);i<(int)(n);i++) #define bit(n,k) (n>>k&1) ll INFL = 1e18+5; int INF = 1001001001; const int M = 1e9+7; int dx[4] = {-1,1,0,0}; int dy[4] = {0,0,1,-1}; int h,w; string field[2005]; int main(){ cin >> h >> w; rep(i,0,h) cin >> field[i]; vector<vector<ll>> x(h+1,vector<ll>(w+1,0)); vector<vector<ll>> y(h+1,vector<ll>(w+1,0)); vector<vector<ll>> z(h+1,vector<ll>(w+1,0)); vector<vector<ll>> dp(h+1,vector<ll>(w+1,0)); dp[1][1] = 1; for(int i=1;i<=h;i++){ for(int j=1;j<=w;j++){ if(field[i-1][j-1]=='#'){ x[i][j] = 0; y[i][j] = 0; z[i][j] = 0; dp[i][j] = 0; continue; } x[i][j] = (x[i][j-1] + dp[i][j-1])%M; y[i][j] = (y[i-1][j] + dp[i-1][j])%M; z[i][j] = (z[i-1][j-1] + dp[i-1][j-1])%M; dp[i][j] += (x[i][j] + y[i][j] + z[i][j])%M; } } cout << dp[h][w]%M << endl; }
#include<bits/stdc++.h> #define rep(i,a,b) for(int i=a;i<b;i++) #define rrep(i,a,b) for(int i=a;i>=b;i--) #define fore(i,a) for(auto &i:a) #define all(x) (x).begin(),(x).end() //#pragma GCC optimize ("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60; template<class T>bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; } template<class T>bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; } //--------------------------------------------------------------------------------------------------- int mod = 1000000007; int add(int x, int y) { return (x += y) >= mod ? x - mod : x; } template<class... T> int add(int x, T... y) { return add(x, add(y...)); } int mul(int x, int y) { return 1LL * x * y % mod; } template<class... T> int mul(int x, T... y) { return mul(x, mul(y...)); } int sub(int x, int y) { return add(x, mod - y); } int modpow(int a, long long b) { int ret = 1; while (b > 0) { if (b & 1) ret = 1LL * ret * a % mod; a = 1LL * a * a % mod; b >>= 1; } return ret; } int modinv(int a) { return modpow(a, mod - 2); } void chadd(int& x, int y) { x = add(x, y); } void chsub(int& x, int y) { x = sub(x, y); } void chmul(int& x, int y) { x = mul(x, y); } /*---------------------------------------------------------------------------------------------------             ∧_∧       ∧_∧  (´<_` )  Welcome to My Coding Space!      ( ´_ゝ`) /  ⌒i @hamayanhamayan0     /   \    | |     /   / ̄ ̄ ̄ ̄/  |   __(__ニつ/  _/ .| .|____      \/____/ (u ⊃ ---------------------------------------------------------------------------------------------------*/ int N, K, M; const int MA = 251010; int dp[101][MA]; //--------------------------------------------------------------------------------------------------- deque<int> que[101]; int tot[101]; void _main() { cin >> N >> K >> mod; dp[0][0] = 1; rep(i, 0, 100) { rep(m, 0, i + 1) { que[m].clear(); tot[m] = 0; } rep(sm, 0, MA) { if (que[sm % (i + 1)].size() == K + 1) { int tp = que[sm % (i + 1)].front(); que[sm % (i + 1)].pop_front(); chsub(tot[sm % (i + 1)], tp); } que[sm % (i + 1)].push_back(dp[i][sm]); chadd(tot[sm % (i + 1)], dp[i][sm]); chadd(dp[i + 1][sm], tot[sm % (i + 1)]); } } rep(x, 1, N + 1) { int lft = x - 1, rht = N - x; int ans = 0; rep(sm, 0, MA) chadd(ans, mul(dp[lft][sm], dp[rht][sm], K + 1)); chsub(ans, 1); printf("%d\n", ans); } }
#include <bits/stdc++.h> using namespace std; int main() { string X; cin >> X; int s; for (int i = 0; i < (int)X.size(); i++) { if (X.at(i) == '.') { s = X.size(); for (int j = 0; j < s - i; j++) { X.pop_back(); } } } cout << X << endl; }
#include<bits/stdc++.h> #define all(v) v.begin(), v.end() #define sz(x) (ll)x.size() #define debug(x) cout << #x << ':' << x << endl; #define rep(i,n) for(long long i = 0; i < n ; i++) #define reps(i,n) for(long long i = 1; i <= n ; i++) #define make_unique(v) sort(all(v));v.erase(unique(all(v)), v.end()); #define REMOVE(v,a) v.erase(remove(v.begin(),v.end(), a), v.end()); #define pb push_back #define eb emplace_back #define mp make_pair #define endl '\n' #define fi first #define se second using namespace std; typedef long long ll; typedef vector<long long> vll; typedef pair<ll,ll> pll; typedef vector<pll> vpll; bool cmp(ll X, ll Y) {return X > Y;} const ll MOD = 1e9 + 7; ll gcd(ll a, ll b) {return !b ? a : gcd(b, a % b);} ll lcm(ll a, ll b) {return (a / gcd(a, b)) * b;} ll modpow(ll a, ll b, ll m=MOD){a %= m; ll res = 1; while (b) {if (b & 1)res = (res * a) % m; a = (a * a) % m; b >>= 1;} return res;} ll bpow(ll a, ll b){if(b<0){return 0;}ll res = 1; while (b) {if (b & 1)res = res * a; a = a * a; b >>= 1;} return res;} ll modinv(ll a, ll m = MOD) {return modpow(a, m - 2, m);} const int N = 2e7+2; const double EPS = (1e-10); int dcp(double A, double B){return fabs(A-B)<=EPS ? 0 : A<B ? -1:1;} map<ll,ll>cnt; ll spf[N]; void sieve(){ for(ll i=2;i<N;i++){ if(!spf[i]){ for(ll j=i;j<N;j+=i){ spf[j]++; } } } } ll solve(char c){ return (c-'a'); } int main(){ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); string s;cin>>s; string ans = ""; for(ll i = 0;i<s.length();i++){ if(s[i] == '.'){break;} ans+=(s[i]); } cout<<ans; }
#include<iostream> using namespace std; typedef long long ll; #define rep(i,n) for(int i=0;i<n;i++) const int maxT=2*100010; int main(){ int N,W; cin >> N >> W; int S[N], T[N], P[N]; ll as[maxT]; rep(i,maxT) as[i]=0; rep(i,N){ cin >> S[i] >> T[i] >> P[i]; as[S[i]] += P[i]; as[T[i]] -= P[i]; } ll sum[maxT]; rep(i,maxT) sum[i]=0; sum[0]=0; for(int i=0;i<=2*100000;i++){ sum[i+1] = sum[i] + as[i]; } ll m=0; rep(i,2*100000+2){ m = max(m, sum[i]); } if(m<=W) cout << "Yes" << endl; else cout << "No" << endl; return 0; }
#include <bits/stdc++.h> #define ll long long using namespace std; ll n,w; ll arr[200005]; int main() { cin >> n >> w; for(int i=0; i<n; i++){ ll s,t,p; cin >> s >> t >> p; arr[s] += p; arr[t]-=p; } ll sum=0; bool flag=1; for(int i=0; i<n; i++){ sum+=arr[i]; if(sum>w){ flag=0; break; } } if(flag==1) cout << "Yes"; else cout << "No"; return 0; }
#include <string> #include <iostream> #include <stack> #include <queue> // priority_queue も入ってる #include <set> // 要素数は size() で取得 multisetもある #include <map> #include <array> // sizeはコンパイル時定数で固定 #include <vector> #include <numeric> // accumulate, gcd #include <algorithm> // count_ifに必要 #include <iomanip> // cout << setprecision(15) << x で小数の出力精度を指定 #include <tuple> #include <utility> //pair #include <cmath> #include <random> using namespace std; using ll = long long; #define rep(i, n) for (int i = 0; i < (n); ++i) // 小さい順(昇順)で約数をすべて列挙します。 vector<ll> allDivisors(ll n) { vector<ll> result; for (ll i = 1; i <= n / i; ++i) { if (n % i == 0) { result.push_back(i); if (n / i != i) { result.push_back(n / i); } } } sort(result.begin(), result.end()); return result; } int main() { ll n; cin >> n; n *= 2; vector<ll> alld = allDivisors(n); ll count = 0; for (ll k : alld) { ll e = n / k; if ((e - k + 1) % 2 == 0) { count++; } } cout << count << endl; return 0; }
#include<bits/stdc++.h> #define rep(i,n) for (int i=0; i<n; i++) #define REP(i,x,n) for (int i=x; i<n; i++) using namespace std; using vi = vector<int>; using vvi = vector<vi>; using ll = long long; #define P pair<ll,ll> #define T tuple<int, int, int> #define PP pair<P,P> #define ALL(a) a.begin(), a.end() int main(){ int n; cin >> n; vi ans(n); ans[0] = 1; REP(i,1,n){ int MAX = 0; i++; for (int j=1; j*j<=i; j++){ if (i % j == 0){ MAX = max(MAX, ans[j-1]); MAX = max(MAX, ans[i/j-1]); } } i--; ans[i] = MAX + 1; } rep(i,n){ cout << ans[i]; if (i < n - 1) cout << " "; else cout << endl; } }
#include<iostream> #include<algorithm> #include<string> #include<vector> #include<cstdlib> #include<queue> #include<set> #include<cstdio> #include<map> #include<cassert> using namespace std; #define ll long long #define reps(i, a, b) for(int i = a; i < b; i++) #define rreps(i, a, b) for(int i = a-1; i >= b; i--) #define rep(i, n) reps(i, 0, n) #define rrep(i, n) rreps(i, n, 0) #define P pair<ll, ll> #define vec vector<int> #define mat vector<vec> const ll mod = 1000000007; const int INF = 1001001001; int main(){ ll n; cin >> n; vector<ll> fb; fb.push_back(0); fb.push_back(1); while(fb.back() < n){ fb.push_back(fb[fb.size()-1] + fb[fb.size()-2]); } // cout << fb.size() << endl; // rep(i, fb.size()){ // cout << fb[i] << " "; // }cout << endl; vector<P> f; int t = 0; if(n != 1){ t = upper_bound(fb.begin(), fb.end(), n)-fb.begin(); n -= fb[t-1]; f.push_back(P(fb[t-1], 0)); } while(n > 1){ int idx = upper_bound(fb.begin(), fb.end(), n)-fb.begin(); idx--; ll num = fb[idx]; n -= num; f.push_back(P(num, t-idx-1)); } vec ans; int now = 0; // x, y, x, y... if(t % 2 == 1){ rep(i, t-2){ while(now < f.size() && f[now].second == i){ if(i % 2 == 1){ ans.push_back(1); }else{ ans.push_back(2); } now++; } if(i % 2 == 0){ ans.push_back(3); }else{ ans.push_back(4); } } }else{ rep(i, t-2){ while(now < f.size() && f[now].second == i){ if(i % 2 == 1){ ans.push_back(2); }else{ ans.push_back(1); } now++; } if(i % 2 == 0){ ans.push_back(4); }else{ ans.push_back(3); } } } if(n == 1) ans.push_back(1); // cout << "t = " << t << endl; // cout << f.size() << endl; // rep(i, f.size()){ // cout << f[i].first << ":" << f[i].second << " "; // }cout << endl; // ll x = 0, y = 0; // rep(i, ans.size()){ // if(ans[i] == 1){ // x++; // }else if(ans[i] == 2){ // y++; // }else if(ans[i] == 3){ // x += y; // }else{ // y += x; // } // // cout << x << " " << y << endl; // } // cout << x << " " << y << endl; cout << ans.size() << endl; rep(i, ans.size()){ cout << ans[i] << endl; } }
#include<bits/stdc++.h> using namespace std; int n; double f[200001]; int main() { cin>>n; for(int i=n-1;i>=1;i--) { f[i]=1.0*((n-i)*(f[i+1]+1)+i)/(n-i); } printf("%.6lf",f[1]); return 0; }
/* NAME : RISHABH SINGH INSTITUTION : DELHI TECHNOLOGICAL UNIVERSITY */ #include "bits/stdc++.h" using namespace std; #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define int long long #define pii pair<int, int> #define bi __builtin_inf() #define ll long long #define mp make_pair #define ss second #define pb push_back #define ff first #define speed_cubing ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); #define um unordered_map #define us unordered_set #define bp __builtin_popcount #define ld long double #define rep(n) for (int i = 0; i < n; i++) #define pll pair<ll, ll> #define mx = 1e18; #define lb(v, val) (lower_bound(v.begin(), v.end(), val) - v.begin()) #define ub(v, val) (upper_bound(v.begin(), v.end(), val) - v.begin()) #define PI 3.1415926535 typedef tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update> pbds; ll powmod(ll base,ll exp,ll MOD){ll res=1;while(exp>0){if(exp%2==1) res=(res*base)%MOD;base=(base*base)%MOD;exp/=2;}return (res%MOD);} #define sz(v) (int)v.size() #define endl '\n' const int mod = 1e9+7; ll mul_inv(ll a,ll b = mod) {ll t1=a,t2=b,t3,v1=1,v2=0,v3;while(t2!=1){ll x=t1/t2;t3=t1-x*t2;v3=v1-x*v2;t1=t2,t2=t3;v1=v2,v2=v3;}return(v2+b)%b;} const int N = 5e5+5; int32_t main(){ speed_cubing char s,t; cin>>s>>t; if(s=='Y'){ cout<<char(t-'a'+'A'); } else cout<<t; return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < n; i++) typedef long long ll; using namespace std; int main() { string t; char s; cin >> s >> t; if (s == 'Y') { for (int i = 0; i < t.size(); ++i) { t[i] = t[i] - 32; } cout << t << endl; return 0; } else { cout << t << endl; return 0; } }
#include<bits/stdc++.h> using namespace std; int fa[400050],ring[400050],xd[400050]; int n,a,b,ans; int find(int x){return x==fa[x]?x:fa[x]=find(fa[x]);} inline int read() { int x=0,f=1; char c=getchar(); while(c<'0'||c>'9') { if(c=='-') f=-f; c=getchar(); } while(c>='0'&&c<='9') x=x*10+c-'0',c=getchar(); return x*f; } void merge(int x,int y) { int p=find(x),q=find(y); if(p==q) { ring[p]=1; return; } else { ring[p]=ring[q]=ring[p]|ring[q]; fa[p]=q; xd[q]+=xd[p]; xd[p]=0; } return; } int vis[400050]; int main() { cin>>n; for(int i=1;i<=400000;i++) fa[i]=i,xd[i]=1; for(int i=1;i<=n;i++) { a=read();b=read(); if(a>b) swap(a,b); merge(a,b); } for(int i=1;i<=400000;i++) { int p=find(i); if(ring[p]&&vis[p]==0) ans+=xd[p],vis[p]=1; else if(ring[p]==0&&vis[p]==0) ans+=xd[p]-1,vis[p]=1; } cout<<ans<<endl; }
// **************************** Prajwal ******************************** #include <bits/stdc++.h> //#include <ext/pb_ds/assoc_container.hpp> //#include <ext/pb_ds/tree_policy.hpp> using namespace std; //using namespace __gnu_pbds; //template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; // ordered_set <int> s; // s.find_by_order(k); // returns the (k+1)th smallest element // s.order_of_key(k); //returns the number of elements in s strictly less than k // numbers #define MOD (1000000007) //const int N=200000; const long long int INF=1000000000000; //shortforms #define fast ios::sync_with_stdio(0); cin.tie(0);cout.tie(0) #define sz(v) int(v.size()) #define ff first #define ss second #define pb push_back #define pob() pop_back() #define pf(a) push_front((a)) #define pof() pop_front() #define nl '\n' #define all(v) v.begin(),v.end() //max and min and sum #define maxv(a) *max_element(all(a)) #define minv(a) *min_element(all(a)) #define sumv(A,a) accumulate(all(A),a) //for loops #define fof(i,a,n) for(ll i=a;i<(n);i++) #define fob(i,n,a) for(ll i=n;i>=a;i--) //sorting #define rev(a) reverse(all(a)) #define as(all,A) sort((A).begin(),(A).end()) #define ds(all,A,x) sort((A).begin(),(A).end(),greater<x>()) //permutations #define nxtp(a,b) next_permutation(a,b); //input #define input(A,n) fof(i,0,n){cin>>A[i];} #define mk_pair(x,y,a,b) insert(pair<x,y >(a,b)) #define mp(x,y) make_pair(x,y) //output #define de(a) cerr<<a<<" "; #define dispve(A,a,n) fof(i,a,n){cout<<A[i]<<" ";} #define dismp(m) for(auto x : m){ cout<<x.ff<<" "<<x.ss<<"\n"; } // shortforms typedef long long int ll; #define int ll //code begins int n,m; void solve(int c) { cin>>n; if(n%2==1){ cout<<"Odd"; return; } else if(n%4!=0){ cout<<"Same"; } else{ cout<<"Even"; } } signed main() { fast; int T=1; cin >> T; //cout<< fixed << setprecision(10); int cnt = 1; while(T--){ solve(cnt); cnt++; cout<<nl; } return 0; }
#pragma GCC optimize("O3") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #pragma GCC optimize("no-stack-protector") #pragma GCC optimize("fast-math") #pragma GCC optimize("trapv") #pragma GCC target("sse4") #include<bits/stdc++.h> using namespace std; typedef pair<int, int> pi; typedef pair<long long, long long> pll; typedef vector<int> vi; typedef vector<long long> vl; typedef vector<vi> vvi; typedef vector<vl> vvl; typedef long long int ll; typedef unsigned long long int ull; typedef priority_queue<ll> mxhpl; typedef priority_queue<int> mxhpi; typedef priority_queue<ll, vector<ll>, greater<ll>> mnhpl; typedef priority_queue<int, vector<int>, greater<int>> mnhpi; #define rep(i,start,end) for(ll i = start; i <= end; ++i) #define rrep(i,end,start) for(ll i = end; i >= start; --i) #define parr(a,n) rep(i,0,n-1){cout << a[i] << " ";}cout<<"\n" #define sarr(a,n) rep(i,0,n-1)cin >> a[i] #define pb push_back #define F first #define S second #define all(a) a.begin(),a.end() #define mset(a,x) memset(a, x, sizeof(a)) #define ps(x,y) fixed<<setprecision(y)<<x //cout << ps(ans, decimal places); #define setbits(x) __builtin_popcountll(x) #define zrobits(x) __builtin_ctzll(x) // DEBUGGING void __print(int x) { cerr << x; } void __print(long x) { cerr << x; } void __print(long long x) { cerr << x; } void __print(unsigned x) { cerr << x; } void __print(unsigned long x) { cerr << x; } void __print(unsigned long long x) { cerr << x; } void __print(float x) { cerr << x; } void __print(double x) { cerr << x; } void __print(long double x) { cerr << x; } void __print(char x) { cerr << '\'' << x << '\''; } void __print(const char* x) { cerr << '\"' << x << '\"'; } void __print(const string& x) { cerr << '\"' << x << '\"'; } void __print(bool x) { cerr << (x ? "true" : "false"); } template<typename T, typename V> void __print(const pair<T, V>& x) { cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}'; } template<typename T> void __print(const T& x) { int f = 0; cerr << '{'; for (auto& i : x) cerr << (f++ ? "," : ""), __print(i); cerr << "}"; } void _print() { cerr << "]\n"; } template <typename T, typename... V> void _print(T t, V... v) { __print(t); if (sizeof...(v)) cerr << ", "; _print(v...); } #ifndef ONLINE_JUDGE #define debug(x...) cerr << "[" << #x << "] = ["; _print(x) #else #define debug(x...) #endif // Fast IO void IO() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); #endif } #define MOD 1000000007 //CODE /*******************************************************/ #define MX 100000 ll n; vvl gr(400001,vl()); bool vis[400001]; bool cycle = false; int dfs(int i, int p = -1) { if (vis[i]) { cycle = true; return 0; } vis[i] = 1; int ans = 1; ll cntP = 0; for (auto j: gr[i]) { if (j == p && !cntP) { cntP++; continue; } ans += dfs(j,i); } return ans; } void solve() { cin >> n; // vector<pll> vp(n); ll u,v; mset(vis,0); rep(i, 0, n - 1) { cin >> u >> v; gr[u].pb(v); gr[v].pb(u); } ll ans = 0; rep(i,0,400000) { if (gr[i].size() == 0 || vis[i]) { continue; } cycle = false; ans += dfs(i); // debug(ans, cycle); if (!cycle) ans--; } cout << ans << "\n"; } int main() { IO(); int t = 1; // cin >> t; while (t--) { solve(); } return 0; } /*******************************************************/
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define rep(i, n) for(ll i = 0, i##_len = (n); i < i##_len; i++) #define reps(i, s, n) for(ll i = (s), i##_len = (n); i < i##_len; i++) #define rrep(i, n) for(ll i = (n) - 1; i >= 0; i--) #define rreps(i, e, n) for(ll i = (n) - 1; i >= (e); i--) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define sz(x) ((ll)(x).size()) #define len(x) ((ll)(x).length()) #define endl "\n" template<class T> void chmax(T &a, const T b){ a = max(a, b); } template<class T> void chmin(T &a, const T b){ a = min(a, b); } long long gcd(long long a, long long b) { return (a % b) ? gcd(b, a % b) : b; } long long lcm(long long a, long long b) { return a / gcd(a, b) * b; } int main() { cin.tie(0); ios::sync_with_stdio(false); // ifstream in("input.txt"); // cin.rdbuf(in.rdbuf()); ll n; cin >> n; vector<ll> a(n), b(n); map<ll, set<ll>> num; rep(i, n) { cin >> a[i] >> b[i]; num[a[i]].insert(i); num[b[i]].insert(i); } queue<ll> q; for(auto x : num) { if (sz(x.second) == 1) { q.push(x.first); } } while(!q.empty()) { ll val = q.front(); q.pop(); if (sz(num[val]) != 1) continue; ll idx = *num[val].begin(); if (a[idx] != b[idx]) { ll nv = (a[idx] == val) ? b[idx] : a[idx]; num[nv].erase(idx); if (sz(num[nv]) == 1) q.push(nv); } } ll ans = 0; for(auto x : num) { if (sz(x.second) > 0) ans++; } cout << ans << endl; return 0; }
#include<cstdio> #include<algorithm> #include<cstring> #include<iostream> #include<cmath> #include<cstdlib> #include<ctime> #include<vector> #define rg register template<typename T>void read(rg T &x){ x=0;rg int fh=1; rg char ch=getchar(); while(ch<'0' || ch>'9'){ if(ch=='-') fh=-1; ch=getchar(); } while(ch>='0' && ch<='9'){ x=(x<<1)+(x<<3)+(ch^48); ch=getchar(); } x*=fh; } long long n,ans; int main(){ read(n); rg long long now=1; rg int cnt=0,num=0; while(1){ if(n>=now*10-1){ ans+=1LL*num*(now*10-now); } else { ans+=1LL*num*(n-now+1); break; } cnt++; now*=10; if(cnt%3==0) num++; } printf("%lld\n",ans); return 0; }
#include <bits/stdc++.h> using namespace std; using ll=long long; using ld=double; using vll=vector<ll>; using vvll=vector<vector<ll>>; #define FOR(i,a,b) for(ll i=a;i<(ll)b;++i) #define F(n) FOR(i,0,n) #define FF(n) FOR(j,0,n) #define aa first #define bb second #define PB push_back #define EQ(a,b) (fabs(a-b)<=(fabs(a+b)*EPS)) #define MOD ((ll)(1e9+7)) #define dbg cerr #define out(n) cout << n << '\n' //#define dbg if(0)cerr int main(){ ios::sync_with_stdio(0);cin.tie(0); vector<pair<ll,ll>> a = {{1e3 - 1, 0},{1e6 - 1, 1},{1e9 - 1, 2},{1e12 - 1, 3},{1e15 - 1,4},{1e18 - 1, 5}}; ll n; cin>>n; ll res = 0; for (int i = 0; i < a.size(); ++ i) { res += min(a[i].aa,n) * a[i].bb; if (i > 0) res -= min(a[i-1].aa,n) * a[i].bb; if (a[i].aa > n) break; } out(res); return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long int; using iPair = pair<int,int>; using lPair = pair<ll, ll>; using ivector = vector<int>; using lvector = vector<ll>; using istack = stack<int>; using iqueue = queue<int>; using ivv = vector<vector<int>>; using lvv = vector<vector<ll>>; const int INF = 0x3f3f3f3f; const ll LINF = 0x3f3f3f3f3f3f3f3f; vector<iPair> dir = {{1,0}, {-1,0}, {0,1}, {0,-1}}; #define dump(x) cout << #x << " = " << (x) << endl #define ALL(x) begin(x),end(x) #define rep(i,s,e) for(ll i=(s), i_stop=(e); i<i_stop; ++i) #define repRev(i,s,e) for(ll i=(e)-1, i_stop=(s); i>=i_stop; --i) #define range(i,s,n) for(ll i=(s), i_stop=(s)+(n); i<i_stop; ++i) #define rangeRev(i,s,n) for(ll i=(s), i_stop=(s)-(n); i>i_stop; --i) #define foreach(x,container) for(auto &&x:container) template<typename T> bool chmax(T& a, const T b) {if(a<b) {a=b;return true;} return false;} template<typename T> bool chmin(T& a, const T b) {if(a>b) {a=b;return true;} return false;} template<typename T> void printArr(vector<T> &arr){ for(auto &x:arr) {cout << x << " ";} cout << endl; } // =====================================================> /* */ void solve() { int n; cin>>n; ivector cnt(n+1, 0); ivector a(n+1); range(i, 0, n) {cin>>a[i]; ++cnt[a[i]];} for(int i = 1; i <= n; ++i) { if(cnt[i] == 0) {cout<<"No"<<endl; return;} } cout << "Yes" << endl; } int main(){ ios::sync_with_stdio(false); cin.tie(0); solve(); return 0; }
//Saptak_Roy_Turja #include<bits/stdc++.h> #define ll long long int using namespace std; int main() { string s; cin>>s; if(s[0]==s[1]&&s[0]==s[2]){ cout<<"Won"<<endl; } else { cout<<"Lost"<<endl; } }
#include <iostream> #include <vector> #include <set> #include <map> template <class E> struct FenwickTree { int _n; std::vector<E> data; FenwickTree(int n) : _n(n), data(n) { } void add(int p, E x) { ++p; while (p <= _n) { data[p - 1] += x; p += p & -p; } } E sum(int r) const { E s = 0; while (r > 0) { s += data[r - 1]; r -= r & -r; } return s; } E sum(int l, int r) const { return sum(r) - sum(l); } }; long long proc( std::vector<int> &cur, int x, int y, FenwickTree<int> &ftcnt0, FenwickTree<long long> &ftsum0, const FenwickTree<int> &ftcnt1, const FenwickTree<long long> &ftsum1, const std::vector<int> &arr) { int v = cur[x]; long long dem = (long long)ftcnt1.sum(0, v) * arr[v]; long long cre = (long long)ftcnt1.sum(0, y) * arr[y]; long long adj = (long long)ftsum1.sum(y, v); ftsum0.add(v, -arr[v]); ftcnt0.add(v, -1); cur[x] = y; ftsum0.add(y, arr[y]); ftcnt0.add(y, 1); return cre + adj - dem; } int main(int argc, char **argv) { int n, m, q; std::cin.tie(0); std::ios_base::sync_with_stdio(false); std::cin >> n >> m >> q; std::set<int> s = { 0 }; std::vector<int> ta(q), xa(q), ya(q); for (int i = 0; i < q; i++) { std::cin >> ta[i] >> xa[i] >> ya[i]; xa[i]--; s.insert(ya[i]); } std::vector<int> arr(s.begin(), s.end()); std::map<int, int> map; int ll = s.size(); for (int i = 0; i < ll; i++) map.emplace(arr[i], i); FenwickTree<long long> ftsuma(ll); FenwickTree<long long> ftsumb(ll); FenwickTree<int> ftcnta(ll); FenwickTree<int> ftcntb(ll); std::vector<int> cura(n); std::vector<int> curb(m); ftcnta.add(0, n); ftcntb.add(0, m); long long sum = 0; for (int i = 0; i < q; i++) { int cy = map[ya[i]]; sum += (ta[i] == 1) ? proc(cura, xa[i], cy, ftcnta, ftsuma, ftcntb, ftsumb, arr) : proc(curb, xa[i], cy, ftcntb, ftsumb, ftcnta, ftsuma, arr); std::cout << sum << std::endl; } return 0; }
// give up #include <bitset> #include <cassert> #include <iostream> #include <iomanip> #include <list> #include <numeric> #include <queue> #include <unordered_map> #include <unordered_set> #include <valarray> // alias, using declaration using llint = long long; using ldouble = long double; template <class T = llint> using vector = std::vector<T>; template <class T = llint> using deque = std::deque<T>; template <class T = llint> using list = std::list<T>; template <class T = llint, class U = llint> using umap = std::unordered_map<T, U>; template <class T = llint, class U = llint> using ummap = std::unordered_multimap<T, U>; template <class T = llint> using uset = std::unordered_set<T>; template <class T = llint> using umset = std::unordered_multiset<T>; template <class T = llint, class U = T> using pair = std::pair<T, U>; template <class T = llint> using varray = std::valarray<T>; template <class T = llint, class U = vector<T>, class V = std::less<class U::value_type>> using pqueue = std::priority_queue<T, U, V>; using std::array; using std::bitset; using std::string; using std::tuple; // constant constexpr llint INF = 0x7FFFFFFFFFFFFFFF; constexpr llint INVALID = 0x8000000000000000; namespace io { // in template <class... T, size_t... S> auto in(std::index_sequence<S...>) {tuple<T...> t; (..., (std::cin >> std::get<S>(t))); return t;} template <class... T, size_t... S> auto in(std::index_sequence<S...>, size_t n) {tuple<vector<T>...> t{vector<T>(n)...}; for (size_t i = 0; i < n; i++) (..., (std::cin >> std::get<S>(t)[i])); return t;} template <size_t N, class T = llint, class... U> auto in() {static_assert(N >= 1); if constexpr (N > 1) return in<N - 1, T, T, U...>(); else return in<T, U...>(std::index_sequence_for<T, U...>());} template <size_t N, class T = llint, class... U> auto in(size_t n) {static_assert(N >= 1); if constexpr (N > 1) return in<N - 1, T, T, U...>(n); else return in<T, U...>(std::index_sequence_for<T, U...>(), n);} template <size_t N, class T = llint> auto in(size_t n, size_t m) {static_assert(N == 1); vector<vector<T>> v(n, vector<T>(m)); for (auto&& vi : v) for (auto&& vij : vi) std::cin >> vij; return std::make_tuple(v);} // out template <class T, class... U> void out(const T& a, const U&... b) {std::cout << a << (sizeof...(b) ? " " : "\n"); if constexpr (sizeof...(b)) out(b...);} template <class T, class U = const char*> void out(const vector<T>& a, U d = " ") {for (auto&& b : a) std::cout << b << (&b != &a.back() ? d : "\n");} } int main() { // input auto [N, M, Q] = io::in<3>(); auto [T, X, Y] = io::in<3>(Q); // solve vector<> a(N + 1), b(M + 1); umap<> Z; { Z.emplace(0, 0); vector<> Y_ = Y; std::sort(Y_.begin(), Y_.end()); for (llint i = 0; i < Q; i++) Z.emplace(Y_.at(i), i + 1); } constexpr llint ST_SIZE = 1 << 19; vector<pair<>> st_a(ST_SIZE), st_b(ST_SIZE); auto update = [&Z](vector<pair<>>& st, llint v, llint n) { for (llint i = (ST_SIZE >> 1) + Z.at(v); i > 0; i >>= 1) { st.at(i).first += n; st.at(i).second += v * n; } }; auto culc_line = [&Z](const vector<pair<>>& st, llint v) { llint r = st.at((ST_SIZE >> 1) + Z.at(v)).second; for (llint i = (ST_SIZE >> 1) + Z.at(v); i > 1; i >>= 1) { r += i & 1 ? st.at(i ^ 1).first * v : st.at(i ^ 1).second; } return r; }; update(st_a, 0, N); update(st_b, 0, M); vector<> result(Q); for (llint i = 0; i < Q; i++) { auto& t = (T.at(i) == 1 ? a : b).at(X.at(i)); auto& st_x = T.at(i) == 1 ? st_a : st_b; auto& st_y = T.at(i) == 1 ? st_b : st_a; update(st_x, t, -1); result.at(i) = -culc_line(st_y, t); t = Y.at(i); update(st_x, t, 1); result.at(i) += culc_line(st_y, t); } for (llint i = 1; i < Q; i++) result.at(i) += result.at(i - 1); // output io::out(result, "\n"); }
#include <bits/stdc++.h> #define ll long long int #define db double #define pb push_back #define mpr make_pair #define andl "\n" #define f first #define s second #define mset(x,y) memset(x,y,sizeof(x)) #define fr(i,n) for(long long int i=0;i<n;i++) #define trace(it,x) for(auto it = (x).begin(); it != (x).end(); it++) #define mod 1000000007 #define fastio ios::sync_with_stdio (false); cin.tie (0); cout.tie (0); #define runtime cerr<< '\n' << "Time elapsed :" << clock() * 1000.0 / CLOCKS_PER_SEC << " ms\n" ; using namespace std; // convert number to string to_string(x); // convert string to number stoi(); // ll mulmod(ll x,ll y) // { // return ((x%mod)*(y%mod))%mod; // } // ll ModInv(ll x, ll y) // { // ll z = 1; // while(y > 0) // { // if(y % 2 == 1) // z = mulmod(z, x); // x = mulmod(x, x); // y /= 2; // } // return z; // } // ll ncr(ll n,ll r) // { // return mulmod(fact[n],ModInv(mulmod(fact[n-r],fact[r]),mod-2)); // } // ll pwr(ll n,ll m) // { // if(n==1 || m==0) // return 1; // ll x=pwr(n,m/2); // if(m%2==0) // return x*x; // else // return n*x*x; // } // ll pwr(ll n,ll m,ll b) // { // if(n==1 || m==0) // return 1; // ll x=pwr(n,m/2,b); // if(m%2==0) // return ((x%b)*(x%b))%b; // else // return ((n%b)*(((x%b)*(x%b))%b))%b; // } void solve() { ll a,b,k; cin >> a >> b >> k; ll dp[31][31]; fr(i,31) fr(j,31) { if(i==0 || j==0) dp[i][j]=1; else dp[i][j]=dp[i-1][j]+dp[i][j-1]; } string s; while(a>0 && b>0) { if(dp[a-1][b]>=k) a--,s+='a'; else { k-=dp[a-1][b]; b--; s+='b'; } } while(a--) s+='a'; while(b--) s+='b'; cout << s; return ; } int main() { fastio ll t=1; // cin >> t; while(t--) solve(); runtime }
#include <bits/stdc++.h> using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template<class T> bool chmax(T &a, const T &b) { if(a<b){a=b;return 1;}return 0;} template<class T> bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- template<class V, int ME> class BIT { public: V bit[1<<ME]; V operator()(int e) {if(e<0) return 0;V s=0;e++;while(e) s+=bit[e-1],e-=e&-e; return s;} void add(int e,V v) { e++; while(e<=1<<ME) bit[e-1]+=v,e+=e&-e;} }; BIT<ll,21> bt; int N; int A[606060]; void solve() { int i,j,k,l,r,x,y; string s; cin>>N; ll ret=0; FOR(i,N) { cin>>A[i]; ret+=bt(N)-bt(A[i]); bt.add(A[i],1); } FOR(i,N) { cout<<ret<<endl; ret-=A[i]; ret+=N-1-A[i]; } } int main(int argc,char** argv){ string s;int i; if(argc==1) ios::sync_with_stdio(false), cin.tie(0); FOR(i,argc-1) s+=argv[i+1],s+='\n'; FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin); cout.tie(0); solve(); return 0; }
#include <bits/stdc++.h> #define ff first #define ss second #define ll long long #define rep(i, n) for (int i = 0; i < n; i++) using namespace std; #define all(x) x.begin(), x.end() const int inf = 1e4; void solve() { int n, m, u, v; cin >> n >> m; vector <vector <bool>> adj(n + 1, vector <bool> (n + 1)); vector <int> dp(1 << n, n + 1); dp[0] = 0; for (int i = 0; i < m; i++) { cin >> u >> v; adj[u][v] = true; adj[v][u] = true; } for (int k = 1; k < (1 << n); k++) { dp[k] = 1; for (int i = 0; i < n; i++) for (int j = i + 1; j < n; j++) { if ((k >> i) & (k >> j) & 1) if (adj[i + 1][j + 1] == false) dp[k] = inf; } } for (int i = 0; i < (1 << n); i++) { for (int j = i; j > 0; j = (j - 1) & i) { dp[i] = min(dp[i], dp[j] + dp[i ^ j]); } } cout << dp[(1 << n) - 1] << '\n'; } int main() { #ifndef ONLINE_JUDGE freopen("E:\\inp.txt", "r", stdin); freopen("E:\\outp.txt", "w", stdout); #endif ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); solve(); return 0; }
#include<bits/stdc++.h> using namespace std; template<typename T>inline bool read(T&x){ x=0;char c=getchar();int f=1;while(!isdigit(c)&&(c!='-')&&(c!=EOF))c=getchar(); if(c==EOF)return 0;if(c=='-')f=-1,c=getchar(); while(isdigit(c)){x=(x<<1)+(x<<3)+(c&15);c=getchar();}x*=f;return 1; }template<typename T,typename...Args>inline bool read(T&x,Args&...args){bool res=1;res&=read(x);res&=read(args...);return res;} typedef long long LL;typedef unsigned long long u64;typedef unsigned u32;typedef long double LD; #define il inline #define pln putchar('\n') #define For(i,a,b) for(int i=(a),(i##i)=(b);i<=(i##i);++i) #define Rep(i,n) for(int i=0,(i##i)=(n);i<(i##i);++i) #define Fodn(i,a,b) for(int i=(a),(i##i)=(b);i>=(i##i);--i) const int M=1000000007,INF=0x3f3f3f3f;const long long INFLL=0x3f3f3f3f3f3f3f3fLL; const int N=111; /*********************数论*********************/ inline LL mul(LL a,LL b,LL p){const LL res=a*b-((LL)((LD)a*b/p)*p);return res<0?res+p:(res<p?res:res-p);} inline LL fp(LL a,LL b,LL Mod){LL res=(Mod!=1);for(;b;b>>=1,a=a*a%Mod)if(b&1)res=res*a%Mod;return res;} inline LL fpl(LL a,LL b,LL Mod){LL res=(Mod!=1);for(;b;b>>=1,a=mul(a,a,Mod))if(b&1)res=mul(res,a,Mod);return res;} template<typename T>inline T gcd(T a,T b){while(b){T t=b;b=a%b;a=t;}return a;}template<typename T>inline T lcm(T a,T b){return a/gcd(a,b)*b;} template<typename T>inline T exgcd(T a,T b,T&x,T&y){T m=0,n=1,t;x=1,y=0;while(b){t=m,m=x-a/b*m,x=t;t=n,n=y-a/b*n,y=t;t=b,b=a%b,a=t;}return a;} inline LL Crt(LL a1,LL a2,LL mod1,LL mod2){LL u,v;const LL g=exgcd(mod1,mod2,u,v);if((a2-a1)%g)return -1; const LL m12=abs(lcm(mod1,mod2)),res=(mul(mod1,mul(u,((a2-a1)/g),m12),m12)+a1)%m12;return res<=0?res+m12:res;/*求最小正数解还是非负解*/} /*********************数论*********************/ LL n,m,k,d[N]; struct Mat{ LL a[N][N]; Mat(){memset(a,0,sizeof a);} void set(){for(int i=1;i<=n;++i)a[i][i]=1;} Mat operator*(const Mat&b)const{ Mat res; for(int i=1;i<=n;++i)for(int k=1;k<=n;++k)for(int j=1;j<=n;++j)res.a[i][j]=(res.a[i][j]+(a[i][k]*b.a[k][j])%M)%M; return res; } Mat pow(LL b)const{ Mat a=(*this),res; for(res.set();b;b>>=1,a=a*a)if(b&1)res=res*a; return res; } }; LL a[N],mp[N][N]; LL im; inline void init(){ read(n,m,k);im=fpl(2ll*m,M-2,M); For(i,1,n)read(a[i]); For(i,1,m){ int u,v;read(u,v);mp[u][v]=1;mp[v][u]=1;++d[u];++d[v]; } For(i,1,n)mp[i][i]=mul((2ll*m-d[i]),im,M); For(i,1,n)For(j,1,i-1){ if(mp[i][j]==0)continue; mp[i][j]=mp[j][i]=im; } } LL ans[N]; inline void solve(){ Mat f; For(i,1,n)For(j,1,n)f.a[i][j]=mp[i][j]; f=f.pow(k); For(i,1,n)For(j,1,n)ans[i]=(ans[i]+mul(a[j],f.a[j][i],M))%M; For(i,1,n)ans[i]=(ans[i]+M)%M; For(i,1,n)printf("%lld\n",ans[i]); } signed main(){ init();solve(); return 0; }
#include <iostream> #include <string> #include <algorithm> #include <functional> #include <vector> #include <stack> #include <queue> #include <set> #include <map> #include <tuple> #include <cstdio> #include <cmath> #define rep(i, n) for(i = 0; i < n; i++) #define int long long using namespace std; int h, w; string s[2000]; int a[2000][2000]; bool used[2000][2000]; int dp[2000][2000]; int INF = 1e+6; //高橋君 - 青木君 int dfs(int y, int x) { if (y == h - 1 && x == w - 1) return 0; if (used[y][x]) return dp[y][x]; int res; int mul = (y + x) % 2 ? -1 : 1; int ret = (mul == 1) ? -INF : INF; if (x < w - 1) { res = mul * a[y][x + 1] + dfs(y, x + 1); if (mul == 1) ret = max(res, ret); else ret = min(res, ret); } if (y < h - 1) { res = mul * a[y + 1][x] + dfs(y + 1, x); if (mul == 1) ret = max(res, ret); else ret = min(res, ret); } used[y][x] = true; return dp[y][x] = ret; } signed main() { int i, j; cin >> h >> w; rep(i, h) cin >> s[i]; rep(i, h) rep(j, w) dp[i][j] = -1; rep(i, h) { rep(j, w) { if (s[i][j] == '-') a[i][j] = -1; else a[i][j] = 1; } } int res = dfs(0, 0); //cout << "res = " << res << endl; if (res > 0) cout << "Takahashi" << endl; else if (res == 0) cout << "Draw" << endl; else cout << "Aoki" << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long #define ull unsigned long long #define lld long double #define pii pair<int,int> #define pll pair<ll,ll> #define pb push_back #define f first #define s second #define mk make_pair /*----------------------DEBUGGER---------------------------*/ #ifndef ONLINE_JUDGE #define debug(x) cerr << #x <<" "; _print(x); cerr << endl; #else #define debug(x) #endif void _print(ll t) {cerr << t;} void _print(int t) {cerr << t;} void _print(string t) {cerr << t;} void _print(char t) {cerr << t;} void _print(lld t) {cerr << t;} void _print(double t) {cerr << t;} void _print(ull t) {cerr << t;} template <class T, class V> void _print(pair <T, V> p); template <class T> void _print(vector <T> v); template <class T> void _print(set <T> v); template <class T, class V> void _print(map <T, V> v); template <class T> void _print(multiset <T> v); template <class T, class V> void _print(pair <T, V> p) {cerr << "{"; _print(p.f); cerr << ","; _print(p.s); cerr << "}";} template <class T> void _print(vector <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";} template <class T> void _print(set <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";} template <class T> void _print(multiset <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";} template <class T, class V> void _print(map <T, V> v) {cerr << "[ "; for (auto i : v) {_print(i); cerr << " ";} cerr << "]";} /*----------------------DEBUGGER---------------------------*/ int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); freopen("error.txt", "w", stderr); #endif int tt = 1; //cin >> tt; while (tt--) { int n; cin >> n; ll a[n]; for (int i = 0; i < n; i++) cin >> a[i]; if (n == 1) { cout << a[0]; return 0; } ll dp[n][2]; ll num[n][2]; memset(dp, 0, sizeof(dp)); memset(num, 0, sizeof(num)); ll mod = 1e9 + 7; dp[1][0] = (a[0] + a[1]) % mod; dp[1][1] = (a[0] - a[1] + mod) % mod; num[1][0] = 1; num[1][1] = 1; for (int i = 2; i < n; i++) { dp[i][0] = (dp[i - 1][0] + (num[i - 1][0] * a[i]) % mod + dp[i - 1][1] + (num[i - 1][1] * a[i]) % mod) % mod; dp[i][1] = (dp[i - 1][0] - (num[i - 1][0] * a[i]) % mod + mod) % mod; num[i][0] = (num[i - 1][0] + num[i - 1][1]) % mod; num[i][1] = num[i - 1][0]; } for (int i = 1; i < n; i++) { debug(dp[i][0]); debug(dp[i][1]); } cout << (dp[n - 1][0] + dp[n - 1][1]) % mod; }//while }//main
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int (i)=0;(i)<(n);(i)++) #define rep3(i,m,n) for(int (i)=m;(i)<=(n);(i)++) #define rep3rev(i,m,n) for(int (i)=m;(i)>=(n);(i)--) #define all(a) (a.begin()),(a.end()) #define rall(a) (a.rbegin()),(a.rend()) #define fi first #define se second #define pb push_back #define eb emplace_back using ll = long long; using vll = vector<ll>; using vi = vector<int>; using vvi = vector<vector<int>>; using P = pair<int, int>; void Main(){ int n; cin >> n; set<int> st; rep3(i, 0, 200005) st.insert(i); rep(i, n){ int p; cin >> p; if(st.find(p) != st.end()) st.erase(p); cout << *st.begin() << endl; } return; } int main(){ cin.tie(nullptr); ios_base::sync_with_stdio(false); cout << fixed << setprecision(15); Main(); return 0; }
// Best practice #include<bits/stdc++.h> #define int long long #define pb push_back #define pf emplace_front #define all(a) (a).begin(),(a).end() #define rall(a) (a).rbegin(),(a).rend() #define pii pair<int,int> #define psi pair<string,int> #define vi vector<int> #define vpii vector<pii> #define vvi vector<vi> #define sz(x) (int)(x).size() #define x first #define y second #define endl '\n' #define tezz ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); #define MOD 1000000007 #define hell 998244353 #define prec(n) fixed<<setprecision(n) #define ini(a, i) memset(a, i, sizeof(a)) #define output(x) cout << (x ? "YES" : "NO")<<endl; using namespace std; #define debug(vec) cout<<(#vec)<<" : [ "; for (auto& i: vec) cout<<i<<" "; cout<< "]" << endl #define trace(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); err(_it, args);cout << endl; } void err(istream_iterator<string> it) {} template<typename T, typename... Args> void err(istream_iterator<string> it, T a, Args... args) { cout << "[" << *it << ": " << a << "]\t"; err(++it, args...); } // const int dx[4] = { -1, 1, 0, 0}; // const int dy[4] = {0, 0, -1, 1}; // int dX[] = { -1, -1, -1, 0, 0, 1, 1, 1 }; // int dY[] = { -1, 0, 1, -1, 1, -1, 0, 1 }; // Code from Here ------------------------------------------------------------------------------- void solver(){ int n, p; cin >> n; int c = 0; map<int,int> mp; for(int i=0; i<n; i++){ cin >> p; mp[p]++; while(mp[c]){ c++; } cout << c << endl; } } signed main() { tezz int t=1; // cin >> t; while(t--){ solver(); } return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ int64_t a,b,c,d; cin>>a>>b>>c>>d; if(a==c&&b==d){cout<<0<<endl;} else if(a+b==c+d||a-b==c-d||abs(a-c)+abs(b-d)<=3){cout<<1<<endl;} else if((a+b-c-d)%2==0||abs(a-c)+abs(b-d)<=6||abs(a+b-c-d)<=3||abs(a-b-c+d)<=3) {cout<<2<<endl;} else{cout<<3<<endl;} }
#include <bits/stdc++.h> #define PI 3.14159265358979323846 #define MAXINF (1e18L) #define INF (1e9L) #define EPS (1e-9) #define MOD ((ll)(1e9+7)) #define REP(i, n) for(int i=0;i<int(n);++i) #define REPA(x, v) for(auto&& x:v) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define RREP(i, n) for(int i=int(n)-1;i>=0;--i) #define ALL(v) v.begin(),v.end() #define FIND(v,x) (binary_search(ALL(v),(x))) #define SORT(v) sort(ALL(v)) #define RSORT(v) sort(v.rbegin(),v.rend()) #define DEBUG(x) cerr<<#x<<": "<<x<<endl; #define DEBUG_VEC(v) cerr<<#v<<":";for(int i=0;i<v.size();i++) cerr<<" "<<v[i]; cerr<<endl #define Yes(n) cout<<((n)?"Yes":"No")<<endl #define YES(n) cout<<((n)?"YES":"NO")<<endl #define pb push_back #define fi first #define se second using namespace std; template<class A>void pr(A a){cout << (a) << endl;} template<class A,class B>void pr(A a,B b){cout << a << " " ;pr(b);} template<class A,class B,class C>void pr(A a,B b,C c){cout << a << " " ;pr(b,c);} template<class A,class B,class C,class D>void pr(A a,B b,C c,D d){cout << a << " " ;pr(b,c,d);} template<class T> void pr_vec(vector<T> &v, char ep=' '){int n=v.size();REP(ni,n){cout<<v[ni];if(ni!=n-1)cout<<ep;}cout<<endl;}; template<class T> inline bool chmin(T& a, T b){return a>b ? a=b, true : false;} template<class T> inline bool chmax(T& a, T b){return a<b ? a=b, true : false;} typedef long long ll; typedef pair<int, int> pii; typedef pair<ll,ll> pll; int main(void) { ll r1,c1,r2,c2; cin >> r1 >> c1 >> r2 >> c2; r2 -= r1; c2 -= c1; ll rc = abs(c2 - r2); ll cr = abs(r2 - c2); if(r2 == 0 && c2 == 0){ pr(0); return 0; }else if((abs(r2)+abs(c2)<=3) || (abs(r2)==abs(c2))){ pr(1); return 0; }else{ if((abs(r2)+abs(c2)<=6) || ((abs(r2)+abs(c2))%2)==0){ pr(2); return 0; } for(int i = -3; i <=3 ; i++) for(int j = -3; j <=3 ; j++){ if(abs(i)+abs(j) > 3) continue; ll tr = r2 - i; ll tc = c2 - j; if(abs(tr)==abs(tc)){ pr(2); return 0; } } } pr(3); }
#include <bits/stdc++.h> using namespace std; const int P = 998244353; //const int P = 1e9 + 7; //const int P = 1e9 + 9; int mul(const int &x, const int &y) { return 1ll * x * y % P; } int qpow(int x, int y) { if (y < 0) { y += P - 1; } int r = 1; while (y) { if (y & 1) { r = mul(r, x); } x = mul(x, x); y /= 2; } return r; } int inc(const int &x, const int &y) { if (x + y >= P) { return x + y - P; } else { return x + y; } } int sub(const int &x, const int &y) { if (x < y) { return x - y + P; } else { return x - y; } } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t; cin >> t; while (t--) { std::string s; cin >> s; int n = (int)s.size(); std::string t = "atcoder"; if (s > t) { cout << 0 << '\n'; continue; } bool flag = true; for (int i = 0; i < n; i++) { if (s[i] != 'a') { flag = false; } } if (flag) { cout << -1 << '\n'; continue; } int ans = n + 1; for (int i = 0; i < n; i++) { int cnt = 0; std::string temp = s; for (int j = i; j >= 1; j--) { swap(temp[j], temp[j - 1]); ++cnt; if (cnt >= ans) { break; } if (temp > t) { ans = cnt; break; } } cnt = 0; temp = s; for (int j = i; j < n - 1; j++) { swap(temp[j], temp[j + 1]); ++cnt; if (cnt >= ans) { break; } if (temp > t) { ans = cnt; break; } } } cout << ans << '\n'; } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int lli; #pragma region DEBUG #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; typedef tree< pair<int,int>, null_type, less<pair<int,int>>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; void __print(int x) {cerr << x;} void __print(long x) {cerr << x;} void __print(long long x) {cerr << x;} void __print(unsigned x) {cerr << x;} void __print(unsigned long x) {cerr << x;} void __print(unsigned long long x) {cerr << x;} void __print(float x) {cerr << x;} void __print(double x) {cerr << x;} void __print(long double x) {cerr << x;} void __print(char x) {cerr << '\'' << x << '\'';} void __print(const char *x) {cerr << '\"' << x << '\"';} void __print(const string &x) {cerr << '\"' << x << '\"';} void __print(bool x) {cerr << (x ? "true" : "false");} template<typename T, typename V> void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';} template<typename T> void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";} void _print() {cerr << "]\n";} template <typename T, typename... V> void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);} #ifndef ONLINE_JUDGE #define debug(x...) cerr << "[" << #x << "] = ["; _print(x) #else #define debug(x...) #endif #pragma endregion DEBUG #define MOD 1000000007 #define MAX 500005 #define endl "\n" vector <lli> fact(MAX,1); vector <lli> invfact(MAX,1); lli n; vector <lli> arr; lli dp[3005][3005]; map <lli, vector<vector<lli> >> adj; vector <lli> pre; lli ctr = 0; lli f(lli idx, lli head){ if(head > n) return 0; if(idx == n+1) return 1; // debug("Yeet"); if(dp[idx][head] != -1) return dp[idx][head]; lli ans = 0; lli sum = 0; lli prefsum = pre[idx-1]%head; for(auto i : adj[head][prefsum]){ if(i >= idx){ if(i+1 == n+1){ ans += 1; } else{ ans += f(i+1,head+1); ans += f(i+1,head); } break; } } ans %= MOD; //debug(idx,head,ans); //debug(ans); return dp[idx][head] = ans; } void solve(){ cin>>n; arr.resize(n); pre.resize(n+1,0); for(lli i = 0; i<=n+1; i++){ for(lli j = 0; j<=n+1; j++){ dp[i][j] = -1; } } for(lli i = 0; i<n; i++){ cin>>arr[i]; pre[i+1] = pre[i] + arr[i]; } for(lli head = 1; head <=n; head++){ adj[head].resize(head); lli sum = 0; adj[head][0].push_back(0); for(lli i = 0; i<n; i++){ sum += arr[i]; sum %= head; adj[head][sum].push_back(i+1); } } // debug("Yoot"); //debug(adj[1]); lli valx = f(1,1); cout<<valx<<endl; } int main(){ /* freopen("input.txt", "r", stdin); freopen("output1.txt", "w", stdout); */ ios_base::sync_with_stdio(false); cin.tie(NULL); /* for(lli i = 1; i<MAX-5; i++){ fact[i] = i*fact[i-1]%MOD; invfact[i] = binpow(fact[i],MOD-2); } */ lli t; t = 1; //cin>>t; lli p = 0; while(t--){ p++; solve(); } }
#define _GLIBCXX_DEBUG #include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i,n) for(ll i=0;i<ll(n);i++) #define YESNO(T) if(T){cout<<"YES"<<endl;}else{cout<<"NO"<<endl;} #define yesno(T) if(T){cout<<"yes"<<endl;}else{cout<<"no"<<endl;} #define YesNo(T) if(T){cout<<"Yes"<<endl;}else{cout<<"No"<<endl;} const ll INF = 1LL << 60; const ll MOD = 1e9 + 7; const double pi = 3.14159265358979; int main(){ ios::sync_with_stdio(false); cin.tie(0); ll a,b; cin >> a >> b; cout << (a+b)/2 << " " << (a-b)/2 << endl; }
#include <cmath> #include <iomanip> #include <iostream> #include <map> #include <regex> #include <set> #include <string> #include <vector> #define rep(i, n) for (int i = 0; i < (n); i++) using namespace std; using ll = long long; using dl = long double; using P = pair<int, int>; int main() { int n; cin >> n; vector<ll> v(n); ll sum = 0; rep(i, n) { ll a, b; cin >> a >> b; sum += a; v[i] = a + a + b; } sort(v.begin(), v.end()); int ans = 0; while (sum >= 0) { sum -= v.back(); v.pop_back(); ans++; } cout << ans << endl; }
#include <bits/stdc++.h> #include <math.h> #define REP(i,a,b) for (int i=a; i<b; i++) #define ALL(v) (v).begin(), (v).end() #define FORE(i,a) for(auto &i:a) using namespace std; typedef long long ll; const ll infl = 1LL << 60; template<class T>bool chmax(T& a, const T& b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T& a, const T& b) { if (a>b) { a=b; return 1; } return 0; } //#pragma GCC optimize ("-O3") void _main(); int main() {cin.tie(0); ios::sync_with_stdio(false); _main(); } void _main() { ll N; cin >> N; vector<ll> A(N); REP(i,0,N) cin >> A[i]; ll ans = 0; ll every_sum = 0; ll sq_sum = 0; REP(i,0,N) { every_sum += A[i]*A[i]; sq_sum += A[i]; } ans = N*every_sum - sq_sum*sq_sum; cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep2(i, s, n) for (int i = (s); i < (int)(n); i++) int main() { ll N; cin >> N; vector<string> vec(N); rep(i, N) { cin >> vec.at(i); if(vec.at(i).at(0) != '!') { vec.at(i) = "!" + vec.at(i) + "&"; } } ll co = -1; sort(vec.begin(), vec.end()); rep(i, N - 1) { if(vec.at(i) != vec.at(i+1) && vec.at(i) + "&" == vec.at(i+1)) { co = i; break; } } if(co == -1) { cout << "satisfiable"; } else { cout << vec.at(co).substr(1); } }
#include<bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rrep(i, k, n) for (int i = k; i < (int)(n); i++) #define repd(i, n) for (int i = n-1; i >= 0; i--) #define rrepd(i, k, n) for (int i = n-1; i >= (int)(k); i--) #define all(x) (x).begin(),(x).end() #define chmax(x,y) x=max(x,y) #define chmin(x,y) x=min(x,y) #define F first //pairの一つ目の要素 //遅延セグ木使うときは注意 #define S second //pairの二つ目の要素 //遅延セグ木使うときは注意 #define PB push_back //挿入 #define MP make_pair //pairのコンストラクタ //V,Pは大文字i,l,bは小文字 using ll = long long; using Vi = vector<int>; using VVi = vector<Vi>; using Vl = vector<ll>; using VVl = vector<Vl>; using Vb = vector<bool>; using VVb = vector<Vb>; using P = pair<int,int>; using Pl = pair<ll, ll>; using Vs = vector<string>; const ll mod = 1000000007; const ll inf = 1000000000000000000;//10の18乗 #define yn {puts("Yes");}else{puts("No");} #define dame { puts("-1"); return 0;} int main() { ll a,b; cin >> a >> b; long double x=a; x*=b; x/=100; cout << fixed << setprecision(15); cout << x << endl; }
#include <iostream> #include <vector> #include <queue> #include <set> #include <algorithm> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) using Graph = vector<vector<int>>; int main() { float a, b; cin >> a >> b; float ret = b / 100 * a; cout << ret << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef vector<int> VI; typedef vector<VI> VVI; typedef vector<ll> VL; typedef vector<VL> VVL; typedef pair<ll, ll> Pair; typedef vector<Pair> VP; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define REP(i, s, n) for(int i = (int)(s); i < (int)(n); i++) #define all(a) (a).begin(),(a).end() #define VEC(n, x) VI n; n.resize(x); rep(i, x) cin >> n[i]; #define MAT(m, x, y) VVI m; m.resize(x); rep(i, x) m[i].resize(y); #define out(x) cout << (x) << endl; int main () { int N; cin >> N; VI x(N), y(N); rep(i, N) cin >> x[i] >> y[i]; rep(i, N) rep(j, N) rep(k, N) { if (i == j || i == k || j == k) continue; if ((x[i] == x[j] && x[i] == x[k]) || (y[i] == y[j] && y[i] == y[k])) { out("Yes") return 0; } double a = (y[j] - y[i]) * (x[k] - x[i]) / (double)(x[j] - x[i]) + y[i];; if ((double)y[k] == a) { out("Yes") return 0; } } out("No"); return 0; }
#include<bits/stdc++.h> using namespace std; int n; vector<int> ans; const int MAX=5e2+7; int s[MAX],p[MAX]; void opt (int pos) { swap(p[s[pos]],p[s[pos+1]]); swap(s[pos],s[pos+1]); ans.push_back(pos); return; } void solve (int p1,int p2,int p3) { while (!(s[p1]<s[p2]&&s[p2]<s[p3])) { if (ans.size()%2==p1%2) opt(p2); else opt(p1); } return; } void solve () { scanf("%d",&n); ans.clear(); for (int i=1;i<=n;i++) scanf("%d",&s[i]),p[s[i]]=i; if (n==1) { puts("0"); return; } if (n==2) { if (s[1]>s[2]) puts("1"),puts("1"); else puts("0"); return; } if (n==3) solve(1,2,3); const int odd=n&1?n-2:n-1; const int eve=n&1?n-1:n-2; for (int i=1;i<=n-3;i++) { rst: if (p[i]&1) { if (ans.size()%2==0) { opt(odd); goto rst; } for (int t=p[i]-1;t>=i;t--) opt(t); } else { if (ans.size()%2==1) { opt(eve); goto rst; } for (int t=p[i]-1;t>=i;t--) opt(t); } } solve(n-2,n-1,n); printf("%d\n",ans.size()); for (auto cur:ans) printf("%d ",cur); printf("\n"); return; } int main () { int T; scanf("%d",&T); while (T--) solve(); return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ string s; cin >> s; int n = s.size(); int ans = 0; for(int i = 1; i <= (n-1)/2; i++){ ans += 9*pow(10,i-1); } if(n%2 == 0){ string sl = s.substr(0,n/2); string sr = s.substr(n/2); ans += stoi(sl)-pow(10,n/2-1)+1; if(sl > sr) ans--; } cout << ans << endl; }
#include <bits/stdc++.h> #define ll long long #define ull unsigned long long using namespace std; void solve() { ull MAX = 1e18;//((ull)1)<<60; //cerr<<MAX<<endl; ull n; cin>>n; vector<ull> P3, P5; ull z = 3; while(z<MAX) { P3.push_back(z); z*=3; } z = 5; while(z<MAX) { P5.push_back(z); z*=5; } for(int i=0; i<P3.size(); ++i) for(int j=0; j<P5.size(); ++j) if(P3[i]+P5[j] == n){ cout<<(i+1)<<" "<<(j+1)<<endl; return; } cout<<-1<<endl; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int T = 1; //cin>>T; while(T--) solve(); return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); ++i) using namespace std; using ll = long long; using P = pair<int, int>; using Graph = vector<vector<int>>; // 二次元幾何は複素数で考えると楽になるかもしれない using C = complex<double>; C inC() { double x, y; cin >> x >> y; return C(x, y); } int main() { int n; cin >> n; C s = inC(); C t = inC(); C o = (s + t) / 2.0; double PI = acos(-1); double rad = 2 * PI / n; C r(cos(rad), sin(rad)); C ans = o + (s - o) * r; printf("%.10f %.10f\n", ans.real(), ans.imag()); return 0; }
#include <iostream> using namespace std; int main() { int a,b,temp1[3],temp[3]; cin>>a>>b; temp[0]=a%10; a=a/10; temp[0]+=a%10; a=a/10; temp[0]+=a%10; a=temp[0]; temp[1]=b%10; b=b/10; temp[1]+=b%10; b=b/10; temp[1]+=b%10; b=temp[1]; if(a>=b) cout<<a; else if(b>a) cout<<b; }
#include<iostream> #define FAST ios::sync_with_stdio(false),cin.tie(0),cout.tie(0) using namespace std; typedef long long ll; const int MAXN=1e5+5; int ok(int n, int base) { while(n) { if(n%base == 7) return 0; n/=base; } return 1; } int main() { FAST; int n; cin>>n; int ans=0; for(int i=1;i<=n;++i) { if(ok(i, 8) && ok(i, 10)) ++ans; } cout<<ans<<endl; }
#include <bits/stdc++.h> using namespace std; int main(){ int N; cin >> N; cout << N - 1; }
#include <bits/stdc++.h> #define ll long long #define endl '\n' using namespace std; void solve(){ ll s,p; cin>>s>>p; for(ll i = 1;i*i<=p;i++){ if(p % i == 0){ if(i + p/i == s){ cout<<"Yes"; return; } } } cout<<"No"; } int main(){ int t = 1; while(t--) solve(); return 0; }
#include <bits/stdc++.h> #define rep(i,n) for(int i = 0; i < (n); ++i) #define rrep(i,n) for(int i = 1; i <= (n); ++i) #define drep(i,n) for(int i = (n)-1; i >= 0; --i) #define srep(i,s,t) for (int i = s; i < t; ++i) #define rng(a) a.begin(),a.end() #define rrng(a) a.rbegin(),a.rend() #define isin(x,l,r) ((l) <= (x) && (x) < (r)) #define pb push_back #define eb emplace_back #define sz(x) (int)(x).size() #define pcnt __builtin_popcountll #define uni(x) x.erase(unique(rng(x)),x.end()) #define snuke srand((unsigned)clock()+(unsigned)time(NULL)); #define show(x) cerr<<#x<<" = "<<x<<endl; #define PQ(T) priority_queue<T,v(T),greater<T> > #define bn(x) ((1<<x)-1) #define dup(x,y) (((x)+(y)-1)/(y)) #define newline puts("") using namespace std; typedef long long int ll; typedef unsigned uint; typedef unsigned long long ull; typedef pair<int,int> P; typedef tuple<int,int,int> T; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<ll> vl; typedef vector<P> vp; typedef vector<T> vt; const double eps = 1e-10; const ll LINF = 1001002003004005006ll; const int INF = 1001001001; #define dame { puts("-1"); return 0;} #define yn {puts("Yes");}else{puts("No");} const int MX = 200005; int main() { ll s,p;cin >> s >> p; if(1+p == s){ cout << "Yes" << endl; return 0; } bool isok = false; for(ll n=1;n*n<=p; n++){ if(p%n == 0){ ll m = p/n; if(n+m == s) isok = true; } } if(isok) cout << "Yes" << endl; else cout << "No" << endl; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; void solve() { int h, w; cin>>h>>w; vector<string> grid(h); for(auto &i : grid) { cin>>i; } vector<vector<int>> dp(h, vector<int> (w, -1e9)); for(int i=h-1; i>=0; i--) { for(int j=w-1; j>=0; j--) { if(i+1<h) { int option=-dp[i+1][j]; if(grid[i+1][j]=='+') { option++; } else { option--; } dp[i][j]=max(dp[i][j], option); } if(j+1<w) { int option=-dp[i][j+1]; if(grid[i][j+1]=='+') { option++; } else { option--; } dp[i][j]=max(dp[i][j], option); } if(i==h-1 && j==w-1) { dp[i][j]=0; } } } string ans="Takahashi"; if(dp[0][0]<0) { ans="Aoki"; } else if(dp[0][0]==0) { ans="Draw"; } cout<<ans<<endl; return; } int main() { #ifdef bipinpathak (void)!freopen("input.txt", "r", stdin); (void)!freopen("output.txt", "w", stdout); #endif ios::sync_with_stdio(false); cin.tie(NULL); auto start=clock(); int t = 1; //cin>>t; for(int i=0; i<t; i++) { //cout<<"Case #"<<i+1<<": "; solve(); } double used= (double) (clock()-start); used=(used*1000)/CLOCKS_PER_SEC; cerr<<fixed<<setprecision(2)<<used<<" ms"<<endl; return 0; }
#pragma GCC optimize("Ofast") #include <bits/stdc++.h> using namespace std; #define int long long const int inf = 1e12; #define D long double #define NeedForSpeed ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0); int MOD = 1000000007; #define fi first #define se second #define endl '\n' // random_device rd; // mt19937 rng(rd()); // int getRand(int l,int r){ // get random number in the range [l,r] // uniform_int_distribution<int> uid(l,r); // return uid(rng); // } const int N = 1e5 + 10; int n , m ; vector<string> a; int dp[2001][2001][2]={0}; bool vis[2001][2001][2] = {0}; int rec(int i , int j , int z){ if(i==n-1 && j==m-1)return 0; int & ans = dp[i][j][z]; if(vis[i][j][z])return ans; vis[i][j][z] = 1; if(z==0){ ans = -inf; if(j+1 < m) ans = max(ans,rec(i,j+1,1)+(a[i][j+1]=='+')-(a[i][j+1]=='-')); if(i+1 < n) ans = max(ans,rec(i+1,j,1)+(a[i+1][j]=='+')-(a[i+1][j]=='-')); }else{ ans = inf; if(j+1 < m) ans = min(ans,rec(i,j+1,0)-(a[i][j+1]=='+')+(a[i][j+1]=='-')); if(i+1 < n) ans = min(ans,rec(i+1,j,0)-(a[i+1][j]=='+')+(a[i+1][j]=='-')); } return ans; } void go(){ cin >> n >> m ; a.resize(n); for(int i = 0 ; i < n ; i++)cin >> a[i]; memset(dp,-1,sizeof(dp)); int ans = rec(0,0,0); if(ans > 0)cout << "Takahashi" << endl; else if(ans < 0)cout << "Aoki" << endl; else cout << "Draw" << endl; } signed main() { // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); NeedForSpeed int t = 1; cout << fixed << setprecision(12) ; // cin >> t; while(t--){ // cout << "Case #" << cases << ": "; go(); } }
#include <bits/stdc++.h> #define MOD (long long)(1E9+7) #define rep(i, n) for(int i = 0; i < n; i++) using namespace std; int main(){ int n,m; cin >> n; vector<vector<int>> x(n); rep(i, n){ rep(j, n) { cin >> m; x[i].push_back(m); } } if(n==1) { cout << "Yes" << endl; cout << x[0][0] << endl << 0 << endl; return 0; } vector<int> hor(n-1); vector<int> ver(n-1); long long a=0, b=0, minA=0, minB=0; rep(i, n-1) { hor[i] = x[0][i+1] - x[0][i]; ver[i] = x[i+1][0] - x[i][0]; a += hor[i]; b += ver[i]; if(a<minA) minA=a; if(b<minB) minB=b; } rep(i, n-1) { rep(j, n-1) { if(x[i+1][j+1] - x[i+1][j] != hor[j]) { cout << "No" << endl; return 0; } if(x[i+1][j+1] - x[i][j+1] != ver[i]) { cout << "No" << endl; return 0; } } } cout << "Yes" << endl; int A, B; if(minB<0 && minB < minA) { A = -minB; B = x[0][0] - A; } else if(minA<0) { B = -minA; A = x[0][0] - B; } else { A = x[0][0]/2; B = x[0][0] - A; } cout << A; rep(i, n-1) { A += ver[i]; cout << " " << A; } cout << endl << B; rep(i, n-1) { B += hor[i]; cout << " " << B; } cout << endl; }
/** * author: said_v15 **/ #include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> using namespace std; #pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") #pragma GCC optimization ("unroll-loops") typedef long long ll; #define fast ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0) #define forn for(int i=0;i<n;i++) #define pb push_back #define sc second #define f first #define kek cout<<"\n"; #define fla cout<<endl; #define rep(i,a,b) for(int i=a;i<b;i++) #define all(v) ((v).begin()), ((v).end()) // #define int ll const ll MOD = 1e9 + 7; const ll MOD1 = 998244353; const int MAXN = 200100; const int INF = 1e8; const ll LL_INF=1e18; const double pi=3.1415926535; int divide(int a, int b) { return (a+b-1)/b; } int32_t main() { #if defined(_DEBUG) freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif fast; // cout << fixed << setprecision(12) << ans; // string al = "abcdefghijklmnopqrstuvwxyz"; int questions=1; // cin>>questions; while(questions--) { string s; cin>>s; int ans=INF; int n=s.size(); for(int i=0;i<(1<<n);i++) { int sum=0; int cnt=0; bool ok=false; for(int j=0;j<n;j++) { if(i&(1<<j)) { sum+=(s[j]-'0'); cnt++; ok=true; } } if(ok && sum%3==0) { ans=min(ans, n-cnt); } } if(ans==INF) cout<<-1; else cout<<ans; } // !!! LOOK AT NUMBER OF QUESTIONS IN A PROBLEM !!! (cin>>questions) // cout <<"Runtime is:"<<clock() * 1.0 / CLOCKS_PER_SEC <<endl; return 0; }
#include <bits/stdc++.h> using namespace std; int a[100010], b[100010]; map <int, vector <int> > all; map <int, int> cnt, sum; int main () { int n, L; scanf("%d%d", &n, &L); a[0] = 0, a[n + 1] = L + 1; for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); } for (int i = 0; i <= n + 1; i++) { all[a[i] - i].push_back(i); } long long ans = 0; for (int i = 1; i <= n; i++) { scanf("%d", &b[i]); b[i] -= i; if (!all.count(b[i])) { printf("-1\n"); return 0; } vector <int> &tmp = all[b[i]]; int pos = lower_bound(tmp.begin(), tmp.end(), i) - tmp.begin(); int p = 0x3f3f3f3f; if (pos != tmp.size()) { if (abs(p - i) > abs(tmp[pos] - i)) p = tmp[pos]; } if (pos) { pos--; if (abs(p - i) > abs(tmp[pos] - i)) p = tmp[pos]; } if (p > i) cnt[b[i] * 2]++, sum[b[i] * 2] = max(sum[b[i] * 2], abs(p - i)); else if (p < i) cnt[b[i] * 2 + 1]++, sum[b[i] * 2 + 1] = max(sum[b[i] * 2 + 1], abs(p - i)); } for (map <int, int> :: iterator it = cnt.begin(); it != cnt.end(); it++) { int x = it->first; ans += sum[x]; } printf("%lld\n", ans); return 0; }
/* * @Author: zhl * @LastEditTime: 2021-02-13 22:14:39 */ #include<bits/stdc++.h> using namespace std; const int N = 2e3 + 10; typedef long long ll; char mp[N][N]; int n,m; vector<int>G[N]; int fa[N]; int find(int a){ return a == fa[a] ? a : fa[a] = find(fa[a]); } void merge(int a,int b){ a = find(a);b = find(b); if(a != b)fa[a] = b; } int main(){ scanf("%d%d",&n,&m); for(int i = 1;i <= n;i++)scanf("%s",mp[i] + 1),fa[i] = i; merge(1,n); for(int j = 1;j <= m;j++){ for(int i = 1;i <= n;i++){ if(mp[i][j] == '#')G[j].push_back(i); } int sz = G[j].size(); if(G[j].empty())continue; for(int ii = 1;ii < sz;ii++){ merge(G[j][ii], G[j][0]); } if(j == 1 or j == m)merge(G[j][0],1); } set<int>rt; for(int i = 1;i <= n;i++)rt.insert(find(i)); int ans = rt.size() - 1; for(int i = 1;i <= m;i++)fa[i] = i; merge(1,m); for(int i = 1;i <= n;i++){ G[i].clear(); for(int j = 1;j <= m;j++){ if(mp[i][j] == '#')G[i].push_back(j); } int sz = G[i].size(); if(G[i].empty())continue; for(int ii = 1;ii < sz;ii++){ merge(G[i][ii], G[i][0]); } if(i == 1 or i == n)merge(G[i][0],1); } rt.clear(); for(int i = 1;i <= m;i++)rt.insert(find(i)); cout << min(ans,int(rt.size()) - 1) << endl; }
// abc203_c #pragma GCC optimize ("O3") #include <bits/stdc++.h> #ifdef LOCAL #include "../../debug_util/cxx-prettyprint/prettyprint.hpp" #include "../../debug_util/rng.hpp" #include "../../debug_util/timer.hpp" #endif using namespace std; using ll = long long; using ull = unsigned long long; using P = pair<ll, ll>; #define REP(i, n) for (int i = 0 ; i < (int)(n) ; ++i) #define REPN(i, m, n) for (int i = m ; i < (int)(n) ; ++i) #define REP_REV(i, n) for (int i = (int)(n) - 1 ; i >= 0 ; --i) #define REPN_REV(i, m, n) for (int i = (int)(n) - 1 ; i >= m ; --i) #define ALL(x) x.begin(), x.end() #define INF (ll)(1e15) #define MOD (1000000007) #define print2D(h, w, arr) REP(i, h) { REP(j, w) cout << arr[i][j] << " "; cout << endl; } #define print_line(vec, n) {for(int idx=0;idx<(n-1);idx++) cout << (vec)[idx] << " "; cout << (vec)[(n)-1] << endl;} template<class T> void print(const T& x){cout << x << "\n";} template<class T, class... A> void print(const T& first, const A&... rest) { cout << first << " "; print(rest...); } struct PreMain {PreMain(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(20);}} premain; int main() { #ifdef LOCAL ifstream in("../arg.txt"); cin.rdbuf(in.rdbuf()); #endif ll N, K; cin >> N >> K; vector<P> AB(N); REP(i, N) cin >> AB[i].first >> AB[i].second; sort(ALL(AB)); ll now = 0; REP(i, N){ ll d = AB[i].first - now; if (K >= d){ K += AB[i].second - d; now += d; } else { now += K; K = 0; break; } } now += K; print(now); return 0; }
/* code by savagecarol */ #include <bits/stdc++.h> using namespace std; /* predefined value */ #define yes() cout << "YES" #define no() cout << "NO" #define one() cout << "1" #define zero() cout << "0" #define ll long long int #define mp make_pair #define fi first #define se second #define pb push_back /* loops */ #define inp(i,n,arr) for(ll i=0 ; i<n ; i++) cin >> arr[i] #define out(i,n,arr) for(ll i=0 ; i<n ; i++) cout << arr[i] << " " #define loop(i,n) for(ll i=0;i<n;i++) #define arrs(i,n,arr,sum) for(ll i = 0 ; i < n ; i++) sum = sum + arr[i]; #define arrmax(i , n , arr , maxx) for(ll i = 1 ; i < n;i++) maxx = max(maxx , arr[i]); #define arrmin(i , n , arr , minn) for(ll i = 0 ; i < n;i++) minn = min(minn , arr[i]); /* typedef */ typedef pair<int, int> pii; typedef pair<ll, ll> pll; ll mod = 1e9 + 7; /* power function */ long long binpow(long long a, long long b) { long long res = 1; while (b > 0) { if (b & 1) res = res * a; a = a * a; b >>= 1; } return res; } int countSetBits(int n){ unsigned int count = 0; while (n) { n &= (n - 1); count++; } return count; } int powerOfTwo(int n){ return n && (!(n & (n-1))); } /*code*/ void solve() { ll n , k; cin >> n >> k; vector<pair<ll , ll>> a; ll x, y; for(ll i = 0 ; i < n;i++) { cin >> x >> y; a.push_back({x , y}); } sort(a.begin(), a.end()); ll i = 0; while(i < n) { if(k>=a[i].first) { k=k+a[i].second; i++; } else break; } cout << k; } int main() { solve(); return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int N, max = 0; bool sin = true; cin >> N; int a[N]; for (int i=0; i<N; i++){ cin >> a[i]; if (max < a[i]) max = a[i]; if (i>0 && a[i-1] != a[i]) sin = false; } if (sin){ cout << a[0] << endl; return 0; } int k = max / 2; int count = 0; while(true){ for (int i=0; i<N; i++){ if (a[i] % k != 0){ count += 1; break; } } if (count == 0){ cout << k << endl; return 0; } k -= 1; count = 0; } }
#include <bits/stdc++.h> using namespace std; #define F first #define S second typedef long long ll; typedef vector<int> vi; typedef vector<ll> vll; typedef pair<int, int> pii; typedef vector<pii> vpii; //mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); //(double)clock() / CLOCKS_PER_SEC; int main() { ios::sync_with_stdio(false); cin.tie(0); int n; cin>>n; set<int> s; for(int i=1; i<=n; i++) { int x; cin>>x; s.insert(x); } while(s.size()>1) { auto it=s.end(); it--; int v=(*it); int mini=*(s.begin()); s.erase(v); s.insert(v-mini); } cout<<(*s.begin())<<endl; return 0; }
#include<bits/stdc++.h> using namespace std; int a,b,c; int main() { cin>>a>>b>>c; if(c%2==0) { if(abs(a)>abs(b)) cout<<">"; if(abs(a)==abs(b)) cout<<"="; if(abs(a)<abs(b)) cout<<"<"; } else { if(a>b) cout<<">"; if(a==b) cout<<"="; if(a<b) cout<<"<"; } return 0; }
/* author : aryan57 created : 13-June-2021 17:33:20 IST */ #include <bits/stdc++.h> using namespace std; template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; } template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; } void dbg_out() { cerr << endl; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); } #ifndef ONLINE_JUDGE #define dbg(...) cerr << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__) #else #define dbg(...) #endif #define int long long #define X first #define Y second #define pb push_back #define sz(a) ((int)(a).size()) #define all(a) (a).begin(), (a).end() #define F(i, a, b) for (int i = a; i <= b; i++) #define RF(i, a, b) for (int i = a; i >= b; i--) const int mxn = 1e5; const long long INF = 2e18; const int32_t M = 1000000007; // const int32_t M = 998244353; const long double pie = acos(-1); void solve_LOG() { int a,b,c; cin>>a>>b>>c; if(c%2==0) { if(abs(a)==abs(b)) { cout<<"="; return; } if(abs(a)>abs(b)) { cout<<">"; return; } if(abs(a)<abs(b)) { cout<<"<"; return; } } if(a<0 && b>=0) { cout<<"<"; return; } if(a<0 && b<0) { if(abs(a)==abs(b)) { cout<<"="; return; } if(abs(a)>abs(b)) { cout<<"<"; return; } if(abs(a)<abs(b)) { cout<<">"; return; } } if(a>=0 && b>=0) { if(abs(a)==abs(b)) { cout<<"="; return; } if(abs(a)>abs(b)) { cout<<">"; return; } if(abs(a)<abs(b)) { cout<<"<"; return; } } if(a>=0 && b<0) { cout<<">"; return; } } signed main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); #ifndef ONLINE_JUDGE // freopen("input.txt","r",stdin); // freopen("output.txt","w",stdout); #endif #ifdef ARYAN_SIEVE sieve(); #endif #ifdef ARYAN_SEG_SIEVE segmented_sieve(); #endif #ifdef ARYAN_FACT fact_init(); #endif // cout<<fixed<<setprecision(10); int _t=1; // cin>>_t; for (int i=1;i<=_t;i++) { // cout<<"Case #"<<i<<": "; solve_LOG(); } return 0; } // parsed : 13-June-2021 17:33:16 IST
#define _USE_MATH_DEFINES #include <bits/stdc++.h> using namespace std; //template #define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define ALL(v) (v).begin(),(v).end() using ll=long long int; const int inf = 0x3fffffff; const ll INF = 0x1fffffffffffffff; const double eps=1e-12; template<typename T>inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;} template<typename T>inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;} //end void solve(int _rot){ // printf("Case #%d: ",_rot); int n; cin>>n; vector<int> a(n); rep(i,0,n)cin>>a[i]; if(n==2){ if(a[0]!=1){ puts("1\n1"); } else{ puts("0"); } return; } map<int,int> pos; rep(i,0,n)pos[a[i]]=i; vector<int> res; auto process=[&](int i){ res.push_back(i+1); swap(a[i],a[i+1]); swap(pos[a[i]],pos[a[i+1]]); }; bool flip=1; rep(i,0,n-3){ int from=pos[i+1]; if(flip+(from&1)==1){ //not match int to; if(from>=n-2){ to=i/2*2; if(!flip)to++; if(to<i)to+=2; if(to==from or to==from-1)to+=2; } else{ to=n/2*2; if(!flip)to++; while(to>=n-1)to-=2; if(to==from or to==from-1)to-=2; } process(to); flip^=1; } { while(from>i){ process(from-1); from--; flip^=1; } } } for(;;){ int from; if(flip)from=n/2*2-2; else from=n/2*2-1; if(from==n-1)from-=2; process(from); if(a[n-3]==n-2 and a[n-2]==n-1 and a[n-1]==n)break; flip^=1; } cout<<res.size()<<'\n'; for(auto& x:res)cout<<x<<'\n'; } int main(){ int t; scanf("%d",&t); rep(rot,0,t)solve(rot+1); return 0; }
#include <algorithm> #include <bitset> #include <cassert> #include <chrono> #include <climits> #include <cmath> #include <complex> #include <cstring> #include <deque> #include <functional> #include <iostream> #include <iomanip> #include <list> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <unordered_map> #include <unordered_set> #include <vector> #include <cstdint> using namespace std; typedef long long ll; typedef vector<int> vi; typedef pair<int,int> pii; #define MP make_pair #define PB push_back #define inf 1000000007 #define rep(i,n) for(int i = 0; i < (int)(n); ++i) #define all(x) (x).begin(),(x).end() template<typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val){ std::fill( (T*)array, (T*)(array+N), val ); } template<class T> inline bool chmax(T &a, T b){ if(a<b){ a = b; return true; } return false; } template<class T> inline bool chmin(T &a, T b){ if(a>b){ a = b; return true; } return false; } int main(){ int n; cin >> n; vector<int> a(n); rep(i,n){ cin >> a[i]; a[i]--; } vector<int> inv(n); rep(i,n){ inv[a[i]] = i; } vector<int> res; int k = 0; rep(i,n){ while(k!=n&&inv[k]==k){ k++; } if(k==n)break; res.push_back(inv[k]-1); int id = inv[k]-1; swap(a[id],a[id+1]); inv[a[id]] = id; inv[a[id+1]] = id+1; } bool ok = 1; rep(i,n){ if(a[i]!=i)ok = 0; } if(ok&&(int)res.size()==n-1){ rep(i,n-1){ cout << res[i]+1 << "\n"; } }else{ cout << -1 << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long LL; const int N = 100010; int a[N], b[N], c[N], d[N]; int n, l; int main() { ios::sync_with_stdio(false); cin.tie(0); cin >> n >> l; for (int i = 1; i <= n; i++) cin >> a[i]; for (int i = 1; i <= n; i++) cin >> b[i]; a[n + 1] = l + 1; b[n + 1] = l + 1; for (int i = 0; i <= n; i++) { c[i] = a[i + 1] - a[i] - 1; d[i] = b[i + 1] - b[i] - 1; } LL ans = 0; for (int i = 0, j = 0; i <= n; i++) { if (d[i]) { while (j <= n && c[j] == 0) j++; int l = j, s = 0; while (j <= n && s < d[i]) s += c[j++]; if (s != d[i]) { puts("-1"); return 0; } ans += max(i - l, 0) + max(j - 1 - i, 0); } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define eb emplace_back using ll = long long; const int inf = 1e9+5; const ll INF = 1e18+5; const int nax = 2e5+500; int main() { ios_base::sync_with_stdio(false); cin.tie(0); int h, w; cin >> h >> w; vector<vector<int>> g(h+1, vector<int> (w+1)); for(int i=1;i<=h;i++) { for(int j=1;j<=w;j++) { char ch; cin >> ch; g[i][j] = (ch == '+'?1:-1); } } vector<vector<int>> dp(h+2, vector<int> (w+2)); for(int i=h;i>=1;--i) { for(int j=w;j>=1;--j) { if(i == h && j == w) dp[i][j] = 0; else if((i + j) % 2 == 0) { dp[i][j] = -(1 << 30); if(i + 1 <= h) dp[i][j] = max(dp[i][j], dp[i+1][j] + g[i+1][j]); if(j + 1 <= w) dp[i][j] = max(dp[i][j], dp[i][j+1] + g[i][j+1]); } else { dp[i][j] = (1 << 30); if(i+1 <= h) dp[i][j] = min(dp[i][j], dp[i+1][j] - g[i+1][j]); if(j+1 <= w) dp[i][j] = min(dp[i][j], dp[i][j+1] - g[i][j+1]); } } } if((h == 1 && w == 1) || dp[1][1] == 0) cout << "Draw"; else cout << (dp[1][1] > 0 ? "Takahashi":"Aoki"); }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #pragma GCC target ("avx2") #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops") #pragma comment(linker, "/stack:200000000") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native") //turn on extra precision //#pragma GCC target("fpmath=387") using namespace std; using namespace __gnu_pbds; typedef long long ll; typedef string str; typedef pair <int,int> pii; typedef pair <ll,ll> pll; typedef vector <int> vi; typedef vector <ll> vll; typedef vector <pii> vpii; typedef vector <pll> vpll; #define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> #define ordered_multiset tree<int, null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update> #define mp make_pair #define pb push_back #define pob pop_back #define pf push_front #define pof pop_front #define fi first #define se second #define fs first.second #define ss second.second #define ff first.first #define sf second.first #define newl '\n' #define fbo find_by_order #define ook order_of_key #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(),x.rend() #define watch(x) cout << (#x) << " is : " << (x) << newl mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); vi dirx = {0,0,1,-1}; vi diry = {1,-1,0,0}; char to_upper (char x){ if( 97 <= int(x) && int(x) <= 122) return char(x-32); if( 65 <= int(x) && int(x) <= 90) return x; return -1; } char to_lower (char x){ if( 97 <= int(x) && int(x) <= 122) return x; if( 65 <= int(x) && int(x) <= 90) return char(x+32); return -1; } int numerize (char x){ if(48 <= int(x) && int(x) <= 57) return int(x-'0'); if(97 <= int(x) && int(x) <= 122) return int(x-96); if(65 <= int(x) && int(x) <= 90) return int(x-64); return -1; } bool isect (int l1, int r1, int l2, int r2){ return max(l1,l2) <= min(r1,r2); } ll quickpow (ll num1, ll num2, ll MOD){ if(num2==0)return 1%MOD; else if(num2==1)return num1%MOD; else{ ll temp = quickpow (num1,num2>>1LL,MOD); ll res = ((temp%MOD) * (temp%MOD))%MOD; if(num2&1) res = ((res%MOD)*(num1%MOD))%MOD; return res; } } ll invmod (ll num, ll MOD){return quickpow (num,MOD-2,MOD);} ll gcd (ll num1, ll num2){ if(num1 < num2) swap(num1,num2); ll num3 = num1 % num2 ; while(num3 > 0){ num1 = num2; num2 = num3; num3 = num1 % num2;} return num2; } ll lcm (ll num1 , ll num2){return (ll) (num1/__gcd(num1,num2))*num2;} // end of Template int main(){ // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); ios_base::sync_with_stdio(false); cin.tie(NULL); string s; cin >> s; string res = ""; for(auto i : s) { if(i == '.') break; res += i; } cout << res << newl; return 0; }
#include <bits/stdc++.h> #define Vanya Unstoppable #define int long long #define pb push_back #define ll long long #define pii pair<int, int> #define all(a) a.begin(), a.end() #define TESTS 0 typedef long double ld; using namespace std; void solve() { string a; cin >> a; int n = a.size(); for (int i = 0; i < n; ++i) { if (a[i] == '.') break; cout << a[i]; } // int pos = n; // for (int i = 0; i < n; ++i) { // if (a[i] == '.') pos = i; // } // int to = pos - 1; // int ans = 0, t = 1; // while (to >= 0) { // ans += (a[to] - '0') * t; // t *= 10; --to; // } // bool f = false; // for (int i = pos + 1; i < n; ++i) { // int to = a[i] - '0'; // int del = 5 - to; // if (del == 1) { // f = true; // } else { // if (del >= 0) { // ++ans; // break; // } else { // break; // } // } // } } signed main() { std::ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); int q = 1; #if TESTS cin >> q; #endif while (q--) { solve(); } }
#include <bits/stdc++.h> using namespace std; int main(){ int n, ans = 0; cin >> n; int sum = 0; for(int i = 1; 1;++i){ if(sum >= n){ ans = i - 1;break; } sum+=i; } cout << ans << '\n'; }
#include<bits/stdc++.h> using namespace std; int n; int main(){ scanf("%d",&n); for(int i=1;i;++i)if(i*(i+1)/2>=n){printf("%d",i);return 0;} return 0; }
#include <bits/stdc++.h> using namespace std; #define co(n) cout<<n<<endl; const double eps=1e-10,pi=3.1415926535898; const int mod=1e9+7,maxn=410; int T,n,m,k,x,y; long long dp[maxn][maxn]; void init() { for (int i=0;i<maxn;++i) { dp[i][0] = dp[i][i] = 1; } for (int i=2;i<maxn;++i) { for (int j=1;j<i;++j) { dp[i][j] = dp[i-1][j]+dp[i-1][j-1]; } } } int main(int argc, char const *argv[]) { init(); T = 1; //scanf("%d", &T); for (int _=1;_<=T;++_) { long long ans=0; scanf("%d", &n); printf("%lld\n", dp[n-1][11]); } return 0; } /* #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma") #pragma GCC optimize("unroll-loops") clock_t clk; clk = clock(); if(clock() - clk > CLOCKS_PER_SEC * 0.9) T W L A C M E R E L E E */
#include <bits/stdc++.h> #define rep(i,n)for(int i=0;i<(n);i++) using namespace std; typedef long long ll; typedef pair<int,int>pint; using vll=vector<ll>; using vs=vector<string>; #define b2e(v)v.begin(),v.end() #define p2a(v, p) v[p.first][p.second] class var { public: ll min,max,ct,sum,dif,result; }; int main() { const ll cut=11; ll l; cin>>l; ll val, sum = 1; for (ll i = 1; i <= cut; i++) { sum *= l-i; sum /= i; } cout << sum << endl; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; const ll maxn=200005; const ll mod=998244353; const ll INF64 = ll(1e18); const ll max2=10500000; #pragma GCC target ("avx2") #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops") vector<ll> adj_row[52],adj_column[52]; ll vis_r[52],vis_c[52]; ll dfs(ll p,vector<ll> adj[],ll vis[]) { vis[p]=1; ll i; ll x=1; for(i=0;i<adj[p].size();++i) { if(vis[adj[p][i]]==0) { x+=dfs(adj[p][i],adj,vis); } } return(x); } int main() { #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); //long long tt = clock(); #endif ios_base::sync_with_stdio(NULL); cin.tie(0); cout.tie(0); ll n,c,i,j,k; cin>>n>>c; ll a[n][n]; for(i=0;i<n;++i) { for(j=0;j<n;++j) cin>>a[i][j]; } ll fact[52]; fact[0]=1; for(i=1;i<=n;++i) { fact[i]=(fact[i-1]*i)%mod; } for(i=0;i<n;++i) { for(j=i+1;j<n;++j) {ll sum=0; for(k=0;k<n;++k) sum+=(a[i][k]+a[j][k]<=c); if(sum==n) { adj_column[i].push_back(j); adj_column[j].push_back(i); } } } for(i=0;i<n;++i) { for(j=i+1;j<n;++j) {ll sum=0; for(k=0;k<n;++k) sum+=(a[k][i]+a[k][j]<=c); if(sum==n) {//cout<<i<<" "<<j<<"\n"; adj_row[i].push_back(j); adj_row[j].push_back(i); } } } //return(0); ll ans=1; for(i=0;i<n;++i) { if(vis_c[i]==0) { ll x=dfs(i,adj_column,vis_c); ans=(ans*fact[x])%mod; } if(vis_r[i]==0) {ll x=dfs(i,adj_row,vis_r); //cout<<x<<" "<<i<<"\n"; //return(0); ans=(ans*fact[x])%mod; } } cout<<ans; return(0); }
#include <bits/stdc++.h> #pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #define ll long long #define ALL(a) (a).begin(),(a).end() #define rep(i,n) for(int i=0;i<(n);i++) #define rrep(i,n) for(int i=n-1;i>=0;i--) #define fi first #define se second #define pb push_back #define Pii pair<int,int> #define Pll pair<long long,long long> #define fout(num) cout << fixed << setprecision(20) << (num) << endl template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;} template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;} //vector<vector<ll>> dp(n,vector<ll>(n)) //2-dim:vector<vector<Type>> vv(n, vector<Type>(m, d)); //3-dim:vector<vector<vector<Type>>> vvv(n, vector<vector<Type>>(m, vector<Type>(l, d))); using namespace std; constexpr ll MOD = 1e9+7; long long powmod(long long x,long long n){ long long ret=1; while(n>0){ if(n&1){ ret*=x; ret%=MOD; n-=1; }else{ x*=x; x%=MOD; n>>=1; } } return ret; } signed main(){ std::cin.tie(nullptr); std::ios_base::sync_with_stdio(false); ll n; cin >> n; ll m; cin >> m; vector<ll> a(n); ll sum = 0; rep(i,n){ cin >> a[i]; sum += a[i]; } ll ans = 1; for(ll i=1;i<=n+sum;i++){ ans *= (n+m+1-i)%MOD; ans %= MOD; ans *= powmod(i,MOD-2); ans %= MOD; } cout << ans << endl; return 0; } // g++ main.cpp -o a.out && ./a.out
#line 1 "main.cpp" #include <iostream> #include <algorithm> #include <numeric> #include <vector> #include <string> using namespace std; using lint = long long; void solve() { int n, m; cin >> n >> m; vector<lint> cnt(2, 0); while (n--) { string s; cin >> s; ++cnt[count(s.begin(), s.end(), '1') % 2]; } cout << cnt[0] * cnt[1] << "\n"; } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); solve(); return 0; }
#define _USE_MATH_DEFINES #include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<ll, ll>; #define rep(i,s,n) for(int i = s; i < (int)(n); i++) #define Rep(i,s,n) for(int i = n; i >= (int)(s); i--) int main(){ int n; cin >> n; vector<ll>r, g, b; rep(i, 0, 2 * n) { ll a; char c; cin >> a >> c; if (c == 'R') r.push_back(a); else if (c == 'G') g.push_back(a); else b.push_back(a); } sort(r.begin(), r.end()); sort(g.begin(), g.end()); sort(b.begin(), b.end()); ll rg = 1e16, rb = 1e16, bg= 1e16; if (g.size() != 0) { rep(i, 0, r.size()) { ll v = r[i]; int pos = lower_bound(g.begin(), g.end(), v) - g.begin(); if(pos != g.size())rg = min(rg, abs(v - g[pos])); if (pos != 0) rg = min(rg, abs(v - g[pos - 1])); } } if (b.size() != 0) { rep(i, 0, r.size()) { ll v = r[i]; int pos = lower_bound(b.begin(), b.end(), v) - b.begin(); if(pos != b.size())rb = min(rb, abs(v - b[pos])); if (pos != 0) rb = min(rb, abs(v - b[pos - 1])); } } if (g.size() != 0) { rep(i, 0, b.size()) { ll v = b[i]; int pos = lower_bound(g.begin(), g.end(), v) - g.begin(); if(pos != g.size())bg = min(bg, abs(v - g[pos])); if (pos != 0) bg = min(bg, abs(v - g[pos - 1])); } } if (r.size() % 2 == 0 && g.size() % 2 == 0 && b.size() % 2 == 0) cout << 0 << endl; else if (r.size() % 2 == 0) { ll ans = min(bg, rg + rb); cout << ans << endl; } else if (g.size() % 2 == 0) { ll ans = min(rb, rg + bg); cout << ans << endl; } else { ll ans = min(rg, rb + bg); cout << ans << endl; } }
#include<iostream> #include<vector> #include<queue> #include<algorithm> using namespace std; #define int long long #define rep(i,n) for(int i=0;i<(n);i++) #define P pair<int,int> //#define LOCAL_TEST #define init_val 2500 template<class T>int chmin(T&a,const T&b){if(b<a){a=b;return 1;}return 0;} //----------def struct st---------- struct st { int fif; int fis; int se; bool operator<(const st&st1)const{return se<st1.se;}; bool operator>(const st&st1)const{return se>st1.se;}; }; //----------global args---------- int si,sj,ti,tj,A;double E; vector<vector<vector<st>>>G(30,vector<vector<st>>(30)); //----------def input---------- #ifdef LOCAL_TEST void input() { int h,v; rep(i,30)rep(j,29) { cin>>h; G[i][j].push_back(st{i,j+1,init_val}); G[i][j+1].push_back(st{i,j,init_val}); } rep(i,29)rep(j,30) { cin>>v; G[i][j].push_back(st{i+1,j,init_val}); G[i+1][j].push_back(st{i,j,init_val}); } } #else void input() { rep(i,30)rep(j,29){G[i][j].push_back(st{i,j+1,init_val});G[i][j+1].push_back(st{i,j,init_val});} rep(i,29)rep(j,30){G[i][j].push_back(st{i+1,j,init_val});G[i+1][j].push_back(st{i,j,init_val});} } #endif //----------def solve---------- #ifdef LOCAL_TEST void in_a_e(){cin>>A>>E;} #else void in_a_e(){cin>>A;} #endif void solve() { cin>>si>>sj>>ti>>tj; vector<vector<int>>dist(30,vector<int>(30,1LL<<60));dist[si][sj]=0; vector<vector<P>>prev(30,vector<P>(30,{-1,-1})); priority_queue<st,vector<st>,greater<st>>pq; pq.push(st{0,si,sj}); while(!pq.empty()) { auto[d,v1,v2]=pq.top(); pq.pop(); if(d>dist[v1][v2])continue; for(auto e:G[v1][v2])if(chmin(dist[e.fif][e.fis],dist[v1][v2]+e.se)) { prev[e.fif][e.fis]={v1,v2}; pq.push(st{dist[e.fif][e.fis],e.fif,e.fis}); } } vector<P>keiro; for(P cur={ti,tj};cur!=(P){-1,-1};cur=prev[cur.first][cur.second])keiro.push_back(cur); reverse(keiro.begin(),keiro.end()); int keirosize=keiro.size(); for(int i=1;i<keirosize;i++) { if(keiro[i-1].first-keiro[i].first<0)cout<<'D'; else if(keiro[i-1].first-keiro[i].first>0)cout<<'U'; if(keiro[i-1].second-keiro[i].second<0)cout<<'R'; else if(keiro[i-1].second-keiro[i].second>0)cout<<'L'; } cout<<endl; in_a_e(); for(int i=1;i<keirosize;i++) { for(auto&it:G[keiro[i].first][keiro[i].second]) { if(it.fif==keiro[i+1].first&&it.fis==keiro[i+1].second) { if(it.se==init_val)it.se=A/keirosize; else it.se=(it.se+A/keirosize)/2; } } } } //-----------main----------- main() { input(); rep(i,1000)solve(); }
#include<bits/stdc++.h> using namespace std; template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')';} template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) {os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; } void dbg_out() { cerr << endl; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); } template<typename T> void dbg_a(const T *a,int l,int r){cerr<<" {";for(int i = l;i<r;i++) cerr<<a[i]<<", ";cerr<<a[r]<<"}"<<endl;} typedef long long ll; //#define int long long #define mst(a,b) memset(a,b,sizeof(a)) #define For(i,a,b) for(int i = a;i<=b;i++) #define For_(i,a,b) for(int i = a;i>=b;i--) #define rep(i,a) for(int i = 0;i<(int)a;i++) #define All(x) x.begin(),x.end() #define all(x) x.begin() + 1,x.end() //const ll INF = 0x3f3f3f3f3f3f3f3f; const int INF = 0x3f3f3f3f; const int N = 2e5 + 6,M = 1<<18 + 6; const int mod = 1e9 + 7; void solve(){ int n; cin>>n; ll lb = -INF,ub = INF,add = 0; For(i,1,n){ ll a,t; cin>>a>>t; if(t == 1) { lb += a; ub += a; add += a; } else if(t == 2){ lb = max(lb,a); ub = max(ub,a); } else{ lb = min(lb,a); ub = min(ub,a); } } auto clamp = [&](ll val,ll mi,ll mx)->ll{ if(val < mi) return mi; if(val > mx) return mx; return val; }; int q; cin>>q; while(q--){ ll x; cin>>x; cout<<clamp(x + add,lb,ub)<<"\n"; } } signed main(){ ios::sync_with_stdio(0),cin.tie(0); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(int i = 0; i < n; i++) using ll = long long; using P = pair<int, int>; const ll INF = 1LL << 60; const int MAX = 200001; int main() { ll n, w; cin >> n >> w; bool flag = false; vector<ll> a(MAX, 0); rep(i, n){ ll s, t, p; cin >> s >> t >> p; a[s] += p; a[t] -= p; } rep(i, MAX){ a[i+1] += a[i]; if(a[i] > w) flag = true; } if(flag) cout << "No" << endl; else cout << "Yes" << endl; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; int main(){ ll b,c; scanf("%lld%lld",&b,&c); ll cnt=0; if(b<=0){ cnt=c+1; c--; if(b==0)cnt--; if(c>0&&b<0)cnt+=min(-2*b-1,c-1); }else { cnt=c+(c==1?1:0); cnt+=min(2*b-1,c-1); }printf("%lld\n",cnt); }
/** * Dont raise your voice, improve your argument. * --Desmond Tutu */ #include <bits/stdc++.h> using namespace std; const bool ready = [](){ ios_base::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(12); return true; }(); using ld=long double; const ld PI = acos((ld)-1); using ll= long long; #define int ll #define all(v) (v).begin(), (v).end() #define fori(n) for(int i=0; i<int(n); i++) #define cini(i) int i; cin>>i; #define cins(s) string s; cin>>s; #define cind(d) ld d; cin>>d; #define cinai(a,n) vi a(n); fori(n) { cin>>a[i]; } #define cinas(s,n) vs s(n); fori(n) { cin>>s[i]; } #define cinad(a,n) vd a(n); fori(n) { cin>>a[i]; } using pii= pair<int, int>; using pdd= pair<ld, ld>; using vd= vector<ld>; using vb= vector<bool>; using vi= vector<int>; using vvi= vector<vi>; using vs= vector<string>; #define endl "\n" /** faster solution */ const int MAXN = 70; ll C[MAXN + 1][MAXN + 1]; const bool init_nCr=[]() { C[0][0] = 1; for (int n = 1; n <= MAXN; ++n) { C[n][0] = C[n][n] = 1; for (int k = 1; k < n; ++k) C[n][k] = C[n - 1][k - 1] + C[n - 1][k]; } return true; }(); ll nCr(int n, int k) { return C[n][k]; } /* aaaabbbb * aaababbb * aaabbabb * ... * aabaabbb * aabababb * ... * aababbba * Number of strings of len x with A 'a' is nCr(x,A) * So we check the prefixes until we found the right one. */ void solve() { cini(a); cini(b); cini(k); int cnt=a+b; string ans; for(int i=0; i<cnt; i++) { int num=nCr(a+b-1, a-1); /* consider first letter a */ if(b>0 && (a==0 || num<k)) { k-=num; ans.push_back('b'); b--; } else { ans.push_back('a'); a--; } } cout<<ans<<endl; } signed main() { solve(); }
/* { ###################### # Author # # Gary # # 2021 # ###################### */ #include<bits/stdc++.h> #define rb(a,b,c) for(int a=b;a<=c;++a) #define rl(a,b,c) for(int a=b;a>=c;--a) #define LL long long #define IT iterator #define PB push_back #define II(a,b) make_pair(a,b) #define FIR first #define SEC second #define FREO freopen("check.out","w",stdout) #define rep(a,b) for(int a=0;a<b;++a) #define SRAND mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()) #define random(a) rng()%a #define ALL(a) a.begin(),a.end() #define POB pop_back #define ff fflush(stdout) #define fastio ios::sync_with_stdio(false) #define check_min(a,b) a=min(a,b) #define check_max(a,b) a=max(a,b) using namespace std; //inline int read(){ // int x=0; // char ch=getchar(); // while(ch<'0'||ch>'9'){ // ch=getchar(); // } // while(ch>='0'&&ch<='9'){ // x=(x<<1)+(x<<3)+(ch^48); // ch=getchar(); // } // return x; //} const int INF=0x3f3f3f3f; typedef pair<int,int> mp; /*} */ const int MAXN=200000+233; vector<int> g[MAXN]; int n; mp fr; int depth[MAXN],rest[MAXN],cnt; void dfs(int now,int dis=0,int pre=0){ check_max(fr,II(dis,now)); for(auto it:g[now]) if(it!=pre){ dfs(it,dis+1,now); } } void dfs2(int now,int pre=0){ for(auto it:g[now]) if(it!=pre){ depth[it]=depth[now]+1; dfs2(it,now); } for(auto it:g[now]) if(it!=pre){ check_max(depth[now],depth[it]); } } bool cmp(int A,int B){ return depth[A]<depth[B]; } void dfs3(int now,int pre=0){ rest[now]=++cnt; vector<int> ord; for(auto it:g[now]) if(it!=pre) ord.PB(it); sort(ALL(ord),cmp); for(auto it:ord) dfs3(it,now),++cnt; } int main(){ scanf("%d",&n); rb(i,1,n-1){ int u,v; scanf("%d%d",&u,&v); g[u].PB(v); g[v].PB(u); } fr=II(-1,-1); dfs(1); int tmp=fr.SEC; fr=II(-1,-1); dfs(tmp); int root=fr.SEC; dfs2(root); dfs3(root); rb(i,1,n) printf("%d ",rest[i]); return 0; }
#include <bits/stdc++.h> //#include <atcoder/all> #define endl "\n" using namespace std; typedef long long ll; typedef pair<ll, ll> l_l; typedef pair<int, int> i_i; template<class T> inline bool chmax(T &a, T b) { if(a < b) { a = b; return true; } return false; } template<class T> inline bool chmin(T &a, T b) { if(a > b) { a = b; return true; } return false; } const long long INF = 1e18; //const ll mod = 1000000007; ll num[10]; bool ok = false; bool f(int a, int b, int c) { if((100*a+10*b+c) % 8 != 0) return false; bool ret = true; num[a]--; num[b]--; num[c]--; for(int i = 1; i <= 9; i++) { if(num[i] < 0) ret = false; } num[a]++; num[b]++; num[c]++; return ret; } string S; void solve() { sort(S.begin(), S.end()); do { ll tmp = stoll(S); ok |= (tmp % 8 == 0); } while(next_permutation(S.begin(), S.end())); if(ok) cout << "Yes" << endl; else cout << "No" << endl; } int main() { cin.tie(0); ios::sync_with_stdio(false); cin >> S; if(S.size() <= 3) { solve(); return 0; } for(auto c : S) { num[(int)(c - '0')]++; } for(int i = 1; i <= 9; i++) { for(int j = 1; j <= 9; j++) { for(int k = 1; k <= 9; k++) { ok |= f(i, j, k); } } } if(ok) cout << "Yes" << endl; else cout << "No" << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define FOR(var, begin, end) for (int var = (begin); var <= (end); var++) #define RFOR(var, begin, end) for (int var = (begin); var >= (end); var--) #define REP(var, length) FOR(var, 0, length - 1) #define RREP(var, length) RFOR(var, length - 1, 0) #define EACH(value, var) for (auto value : var) #define SORT(var) sort(var.begin(), var.end()) #define REVERSE(var) reverse(var.begin(), var.end()) #define RSORT(var) SORT(var); REVERSE(var) #define OPTIMIZE_STDIO ios::sync_with_stdio(false); cin.tie(0); cout.precision(10); cout << fixed #define endl '\n' const int INF = 1e9; const int MOD = 1e9 + 7; const ll LINF = 1e18; void solve(istream& cin, ostream& cout) { int n; cin >> n; map<int, bool> mp; priority_queue<int, vector<int>, greater<int>> q1, q2; FOR(i, 0, 200000) { q1.push(i); } REP(i, n) { int p; cin >> p; if (!mp[p]) q2.push(p); mp[p] = true; while(q1.top() == q2.top()) { q1.pop(), q2.pop(); } cout << q1.top() << endl; } } #ifndef TEST int main() { OPTIMIZE_STDIO; solve(cin, cout); return 0; } #endif
/** * code generated by JHelper * More info: https://github.com/AlexeyDmitriev/JHelper * @author */ #include <iostream> #include <fstream> #include <bits/stdc++.h> using namespace std; #define ll long long inline int inint(istream& in) {int x; in >> x; return x;} inline ll inll(istream& in) {ll x; in >> x; return x;} inline string instr(istream& in) {string x; in >> x; return x;} #define REP(i, n) for (int i = 0, i##_len = (n); i < i##_len; ++i) #define FOR(i, a, b) for (int i = (a), i##_len = (b); i <= i##_len; ++i) #define REV(i, a, b) for (int i = (a); i >= (b); --i) #define CLR(a, b) memset((a), (b), sizeof(a)) #define DUMP(x) cout << #x << " = " << (x) << endl; #define INF 1001001001001001001ll #define fcout cout << fixed << setprecision(12) class ARockPaperScissors { public: void solve(std::istream& in, std::ostream& out) { int x = inint(in); int y = inint(in); if(x == y){ out << x << endl; return; } if(x + y == 1){ out << 2 << endl; return; } if(x + y == 2){ out << 1 << endl; return; } if(x + y == 3){ out << 0 << endl; return; } } }; int main() { ARockPaperScissors solver; std::istream& in(std::cin); std::ostream& out(std::cout); solver.solve(in, out); return 0; }
#include <bits/stdc++.h> using namespace std; // using mint = long double; // using mint = modint998244353; // using mint = modint1000000007; typedef long long ll; typedef pair<ll, ll> P; typedef pair<ll, P> T; typedef pair<ll, vector<ll>> Pd; const ll INF = 1e18; const ll fact_table = 820000; priority_queue<ll> pql; priority_queue<P> pqp; // big priority queue priority_queue<ll, vector<ll>, greater<ll>> pqls; priority_queue<P, vector<P>, greater<P>> pqps; // small priority queue // top pop ll dx[8] = {1, 0, -1, 0, 1, 1, -1, -1}; ll dy[8] = {0, 1, 0, -1, -1, 1, 1, -1}; //↓,→,↑,← #define p(x) cout << x << "\n"; #define el cout << "\n"; #define pe(x) cout << x << " "; #define ps(x) cout << fixed << setprecision(25) << x << endl; #define pu(x) cout << (x); #define pb push_back #define eb emplace_back #define lb lower_bound #define ub upper_bound #define pc(x) cout << x << ","; #define rep(i, n) for (ll i = 0; i < (n); i++) #define rep2(i, a, b) for (ll i = a; i <= (b); i++) #define rep3(i, a, b) for (ll i = a; i >= (b); i--) #define all(c) begin(c), end(c) #define sorti(v) sort(all(v)) #define sortd(v) \ sort(all(v)); \ reverse(all(v)); #define SUM(v) accumulate(all(v), 0LL) #define MIN(v) *min_element(all(v)) #define MAX(v) *max_element(all(v)) typedef vector<ll> vec; typedef vector<vector<ll>> mat; // vec v(n) -> 長さnのベクトルを宣言 // mat dp(h, vec(w)) -> h * w の行列を宣言 const ll mod = 1000000007ll; // const ll mod = 998244353ll; ll mypow(ll a, ll b, ll m = mod) { ll x = 1; while (b) { while (!(b & 1)) { (a *= a) %= m; b >>= 1; } (x *= a) %= m; b--; } return x; } vec rv(ll read) { vec res(read); for (int i = 0; i < read; i++) { cin >> res[i]; } return res; } /* ll fact[fact_table + 5], rfact[fact_table + 5]; void c3_init() { fact[0] = rfact[0] = 1; for (ll i = 1; i <= fact_table; i++) { fact[i] = (fact[i - 1] * i) % mod; } rfact[fact_table] = mypow(fact[fact_table], mod - 2, mod); for (ll i = fact_table; i >= 1; i--) { rfact[i - 1] = rfact[i] * i; rfact[i - 1] %= mod; } return; } ll c3(ll n, ll r) { return (((fact[n] * rfact[r]) % mod) * rfact[n - r]) % mod; } */ bool icpc = false; bool multicase = false; bool solve() { ll a, b; cin >> a >> b; if (a == b) { p(a); } else { p(3 - a - b); } return true; } /* */ int main() { // ios::sync_with_stdio(false); // cin.tie(nullptr); if (icpc) { while (solve()) ; return 0; } ll q, testcase = 1; if (multicase) { cin >> q; } else { q = 1; } while (q--) { // cout << "Case #" << testcase << ": "; solve(); testcase++; } // solve(); return 0; }
#include<iostream> #define ll long long using namespace std; ll T,X,Y,P,Q,a,b,c,k1,k2,tans; ll exgcd(ll a,ll b,ll &x,ll &y) { if(!b) { x=1,y=0; return a; } int t=exgcd(b,a%b,y,x); y-=a/b*x; return t; } int main() { cin>>T; while(T--) { cin>>X>>Y>>P>>Q; a=2*X+2*Y,b=P+Q; tans=5e18; for(int q=0; q<Q; q++) { for(int y=0; y<Y; y++) { c=P+q-X-y; int t=exgcd(a,b,k1,k2); if(c%t)continue; k1=k1*c/t; k1=(k1%(b/t)+(b/t))%(b/t); tans=min(tans,a*k1+y+X); } } if(tans==5e18)cout<<"infinity\n"; else cout<<tans<<endl; } }
//#include <atcoder/maxflow.hpp> #include <memory> #include <iostream> #include <map> #include <list> #include <set> #include <algorithm> #include <vector> #include <sstream> #include <string> #include <functional> #include <queue> #include <deque> #include <stack> #include <limits> #include <unordered_map> #include <unordered_set> #include <cmath> #include <fstream> #include <iterator> #include <random> #include <chrono> #include <complex> #include <thread> #include <bitset> #include <assert.h> #define forr(i,start,count) for (int i = (start); i < (start)+(count); ++i) #define set_map_includes(set, elt) (set.find((elt)) != set.end()) #define readint(i) int i; cin >> i #define readll(i) ll i; cin >> i #define readdouble(i) double i; cin >> i #define readstring(s) string s; cin >> s typedef long long ll; using namespace std; //using namespace atcoder; ll modd = (1000LL * 1000LL * 1000LL + 7LL); //ll modd = 998244353; ll gcd(ll a, ll b, ll& x, ll& y) { if (b == 0) { x = 1; y = 0; return a; } ll x1, y1; ll d = gcd(b, a % b, x1, y1); x = y1; y = x1 - y1 * (a / b); return d; } bool find_any_solution(ll a, ll b, ll c, ll &x0, ll &y0, ll &g) { g = gcd(abs(a), abs(b), x0, y0); if (c % g) { return false; } x0 *= c / g; y0 *= c / g; if (a < 0) x0 = -x0; if (b < 0) y0 = -y0; return true; } int main(int argc, char *argv[]) { // ios_base::sync_with_stdio(false); // cin.tie(NULL); cout.precision(17); mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); uniform_int_distribution<int> rand_gen(0, modd); // rand_gen(rng) gets the rand no uniform_real_distribution<double> ff(-1,1); // auto start = chrono::steady_clock::now(); readint(test_cases); // int test_cases = 1; forr(t, 1, test_cases) { readll(x); readll(y); readll(p); readll(q); ll per_train = 2*x+2*y, per_sleep = p+q; set<ll> solutions; forr(i,0,y) { forr(j,0,q) { ll a = per_train, b = -per_sleep, c = p+j-x-i, x0,y0,g; if (find_any_solution(a,b,c,x0,y0,g)) { ll x_shift = -b/g, y_shift = a/g; if (x0<0) { ll k = abs(x0)/x_shift+4; x0 += k * x_shift; y0 += k * y_shift; } ll k = x0/x_shift; x0 -= k * x_shift; y0 -= k * y_shift; solutions.insert(p+j+y0*per_sleep); } } } if (solutions.empty()) { cout << "infinity" << endl; } else { cout << *solutions.begin() << endl; } } // auto stop = chrono::steady_clock::now(); // auto duration = chrono::duration_cast<chrono::milliseconds>(stop - start); // cout << "Duration: " << duration.count() << endl; return 0; }
#pragma GCC optimize("Ofast") #include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<n;i++) #define cinf(n,x) for(int i=0;i<(n);i++)cin>>x[i]; #define ft first #define sc second #define pb push_back #define lb lower_bound #define ub upper_bound #define all(v) (v).begin(),(v).end() #define LB(a,x) lb(all(a),x)-a.begin() #define UB(a,x) ub(all(a),x)-a.begin() #define mod 1000000007 //#define mod 998244353 #define FS fixed<<setprecision(15) using namespace std; typedef long long ll; const double pi=3.141592653589793; template<class T> using V=vector<T>; using P=pair<ll,ll>; typedef unsigned long long ull; typedef long double ldouble; template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } template<class T> inline void out(T a){ cout << a << '\n'; } void YN(bool ok){if(ok) cout << "Yes" << endl; else cout << "No" << endl;} //void YN(bool ok){if(ok) cout << "YES" << endl; else cout << "NO" << endl;} const ll INF=1e18; const int mx=200005; ll dp[102][102][102]; int main(){ //オーバーフローは大丈夫ですか?? cin.tie(0);ios::sync_with_stdio(false); ll n,x; cin>>n>>x; V<ll> a(n); cinf(n,a); ll ans=INF; for(ll cnt=1;cnt<=n;cnt++){ rep(i,n+1){ rep(j,n+1){ rep(k,n+1) dp[i][j][k]=-INF; } } dp[0][0][0]=0; rep(i,n){ rep(j,n){ for(ll k=0;k<cnt;k++){ chmax(dp[i+1][j][k],dp[i][j][k]); if(dp[i][j][k]!=-INF){ ll y=(k+a[i])%cnt; if(dp[i][j][k]+a[i]<=x){ chmax(dp[i+1][j+1][y],dp[i][j][k]+a[i]); } } } } } if(dp[n][cnt][x%cnt]!=-INF){ chmin(ans,(x-dp[n][cnt][x%cnt])/cnt); } } out(ans); } //ペナルティ出しても焦らない ACできると信じろ!!! //どうしてもわからないときはサンプルで実験 何か見えてくるかも //頭で考えてダメなら紙におこせ!!
/* * @author: codancer * @createTime: 2020-12-05, 19:52:03 */ #include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <cmath> #include <vector> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <queue> #include <ctime> #include <cassert> #include <complex> #include <string> #include <cstring> #include <chrono> #include <random> #include <bitset> using namespace std; typedef long long ll; typedef unsigned long long ull; const ll mod = 1e9+7; #define pb push_back #define fi first #define se second #define SZ(x) ((int)(x).size()) #define rep(i,a,b) for(int i=(a);i<=(b);i++) #define fep(i,a,b) for(int i=(a);i>=(b);i--) #define deb(x) cerr<<#x<<" = "<<(x)<<"\n" typedef vector<int> VI; typedef vector<ll> VII; typedef pair<int,int> pii; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); ll Rand(ll B) { return (ull)rng() % B; } char win(char a,char b){ if(a==b) return a; if(a=='R'&&b=='S'||a=='S'&&b=='R') return 'R'; if(a=='R'&&b=='P'||a=='P'&&b=='R') return 'P'; if(a=='S'&&b=='P'||a=='P'&&b=='S') return 'S'; } const int N = 102; int n,k; string s; ll pw[101]; char solve(ll l,ll r){ // cout<<"dad"<<endl; if(l==r){ return s[l%n]; } ll mid=(l+r)/2; return win(solve(l,mid),solve(mid+1,r)); } int main(){ pw[0]=1; for(int i=1;i<=25;i++) pw[i]=pw[i-1]*2; // cout<<"oo"<<endl; cin>>n>>k; cin>>s; cout<<solve(0,pw[min(k,25)]-1)<<endl; return 0; } // //1 2 3 4
#include <bits/stdc++.h> using namespace std; mt19937_64 llrand((int) chrono::steady_clock::now().time_since_epoch().count()); #define st first #define nd second #define pb push_back #ifndef ONLINE_JUDGE #define db(x) cerr << #x << " == " << x << endl #define dbs(x) cerr << x << endl #define _ << ", " << #else #define db(x) ((void)0) #define dbs(x) ((void)0) #endif typedef long long ll; typedef long double ld; typedef pair<int, int> pii; typedef pair<int, pii> piii; typedef pair<ll, ll> pll; const int INF = 0x3f3f3f3f, MOD = 1e9+7; const int N = 2e5+5; int n; bool used[N]; int pos[N]; int a[N]; vector<int> ans; bool prob; void change(int i, int j) { swap(a[i], a[j]); swap(pos[a[i]], pos[a[j]]); used[i] = true; ans.push_back(i); } int main() { ios_base::sync_with_stdio(0), cin.tie(0); cin >> n; for(int i = 1; i <= n; i++) { cin >> a[i]; pos[a[i]] = i; } for(int i = 1; i <= n; i++) { while(pos[i] != i) { if(used[pos[i] - 1]) { prob = true; break; } change(pos[i] - 1, pos[i]); } if(prob) break; } for(int i = 1; i < n; i++) if(!used[i]) prob = true; if(prob) cout << -1 << "\n"; else { for(auto x : ans) cout << x << "\n"; } }
#include <iostream> #include <vector> #include <deque> #include <algorithm> #include <numeric> #include <string> #include <cstring> #include <list> #include <unordered_set> #include <tuple> #include <cmath> #include <limits> #include <type_traits> #include <iomanip> #include <map> #include <unordered_map> #include <queue> #include <stack> #include <set> #include <bitset> #include <regex> #include <random> #include<bits/stdc++.h> //#include<atcoder/all> using namespace std; //using namespace atcoder; typedef long long ll; #define rep(i,n)for(ll i=0;i<n;++i) #define exout(x) printf("%.12f\n", x) const double pi = acos(-1.0); const ll MOD = 1000000007; const ll INF = 1e18; const ll MAX_N = 1010101; //組み合わせの余りを求める ll fac[MAX_N], finv[MAX_N], inv[MAX_N]; void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX_N; i++) { fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } // 二項係数計算 long long COM(ll n, ll k) { if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } // mod.m での a の逆元 a^ { -1 } を計算する long long modinv(long long a, long long m) { long long b = m, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= m; if (u < 0) u += m; return u; } //最大公約数 ll gcd(ll x, ll y) { return y ? gcd(y, x % y) : x; } ll lcm(ll x, ll y) { if (x == 0 || y == 0)return 0; return (x / gcd(x, y) * y); } //union-find木について //サイズによる更新をしている ll par[201010]; ll rank2[201010]; void init(ll n) { rep(i, n) { par[i] = i; rank2[i] = 1; } } ll find(ll x) { if (par[x] == x) { return x; } else { return par[x] = find(par[x]); } } void unite(ll x, ll y) { x = find(x); y = find(y); if (x == y)return; if (rank2[x] < rank2[y]) { par[x] = y; rank2[y] += rank2[x]; } else { par[y] = x; rank2[x] += rank2[y]; } } ll dx[4] = { 1,-1,0,0 }; ll dy[4] = { 0,0,1,-1 }; //long longしか使わない //素数は1より大きい //lower_boundは指定したkey以上の要素の一番左のイテレータをかえす //upper_boundは指定したkeyより大きい要素の一番左のイテレータをかえす int main() { ll n; cin >> n; vector<ll>a(n), p(n), ans; rep(i, n) { cin >> a[i]; a[i]--; p[a[i]] = i; } rep(i, n) { for (ll j = p[i];j > i;j--) { swap(a[j], a[j - 1]); ans.push_back(j); p[a[j - 1]]++; } if (ans.size() >= n) { cout << -1 << endl; return 0; } } rep(i, n) { if (a[i] != i) { cout << -1 << endl; return 0; } } if (ans.size() != n - 1) { cout << -1 << endl; return 0; } rep(i, n - 1) { cout << ans[i] << endl; } return 0; }
#include <bits/stdc++.h> #define _GLIBCXX_DEBUG using namespace std; /*coment */ int main () { using ll = long long int ; using p = pair<int,int>; int a,b,x,y; cin >> a >> b >> x >> y; // a + 1 = b// a = b int t = 0; if (a - 1 == b) { cout << x << endl; } else { if (a > b) { if (x * 2 < y) { cout << x * (1 + 2 * (a-b-1)) << endl; } else { cout << x + y * (a - b-1) << endl; } } else { if (x * 2 < y) { cout << x * (1 + 2 *(b-a)) << endl; } else { cout << x + y * (b-a) << endl; } } } }
//nik #include <bits/stdc++.h> #pragma GCC target("avx") #pragma GCC optimize("Ofast") #define reg register #define FOR(a, b, c) for (a = b; a <=c; a++) #define rFOR(a, b, c) for (a = b;a >= c; a--) #define pb push_back #define mp make_pair #define eb emplace_back #define SORT(x) sort(all(x)) #define all(x) x.begin(), x.end() #define newl "\n" #define alls(x) x.begin(), x.end(), x.begin() #define umap(v, t1, t2) unordered_map<t1, t2> v #define uset(v,t1) unordered_set<t1> v #define IOF ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); using namespace std; using UL = unsigned long int; using UI = unsigned int; using ULL = unsigned long long int; using LI = long int; using LL = long long; using LF = double; using LLF = long double; const int MOD1 = 1000000007; /*const int MOD2 = */ /* Combinatorics Start */ int binoMax = 10000; vector<LL> numInv(binoMax + 1), factNumInv(binoMax + 1), fact(binoMax + 1); inline void generate_ncrp(LL p) { int i;numInv[0] = numInv[1] = 1; FOR(i, 2, binoMax) { numInv[i] = numInv[p % i] * (p - p / i) % p; } factNumInv[0] = factNumInv[1] = 1; FOR(i, 2, binoMax) { factNumInv[i] = (numInv[i] * factNumInv[i - 1]) % p; } fact[0] = 1; FOR(i, 1, binoMax) { fact[i] = (fact[i - 1] * i) % p; } } LL ncrmodp(LL n, LL r, LL p) { LL ans = ((fact[n] * factNumInv[r]) % p * factNumInv[n - r]) % p; return ans; } /* Combinatorics End */ LL expmodp(LL x, LL y, LL p) { LL res = 1; while (y > 0) { if (y & 1) res = (res * x) % p; y = y >> 1; x = (x * x) % p; }return res; } /* Matrix Operations Start */ struct Matrix{ int row,col; vector<vector<LL> > a; Matrix(int r,int c){ row=r;col=c; a.resize(row,vector<LL>(col,0)); ; } static Matrix IDM(LL n){ Matrix res(n,n); for(int i=0;i<n;i++)res.a[i][i]=1; return res; } }; Matrix Matmult(Matrix A,Matrix B){ Matrix res(A.row,B.col); LL i,j,k; FOR(i,0,A.row-1){ FOR(j,0,B.col-1){ FOR(k,0,A.col-1){ res.a[i][j]=(res.a[i][j]+A.a[i][k]*B.a[k][j])%MOD1; } } } return res; } Matrix BinExp(Matrix X,LL n){ Matrix res=Matrix::IDM(X.row); while(n>0){ if(n&1){ res=Matmult(X,res); } X=Matmult(X,X); n>>=1; } return res; } /* Matrix Operations End */ int main() { IOF LL i,j,k,n,tc,tp1,tp2,tp3; LL a,b,x,y; cin>>a>>b>>x>>y; if(a==b){ cout<<x; } else if(a<b){ int dpa[101],dpb[101]; memset(dpa,0,sizeof(dpa)); memset(dpb,0,sizeof(dpb)); dpb[a]=x; for(i=min(a,b)+1;i<=max(a,b);i++){ dpb[i]=min(min(x+y,3*x)+dpa[i-1],min(y,2*x)+dpb[i-1]); dpa[i]=min(min(2*x,y)+dpa[i-1],dpb[i-1]+x); } cout<<dpb[b]; } else{ int dpa[101],dpb[101]; memset(dpa,0,sizeof(dpa)); memset(dpb,0,sizeof(dpb)); dpb[a]=x; for(i=max(a,b)-1;i>=min(a,b);i--){ dpb[i]=min(dpa[i+1]+x,dpb[i+1]+min(y,2*x)); dpa[i]=min(dpa[i+1]+min(2*x,y),dpb[i+1]+min(3*x,x+y)); } cout<<dpb[b]; } }
#include <iostream> #include <cstdio> #include <vector> #include <queue> #include <cmath> #define re register #define pb push_back #define cl clear #define MAXN 100005 using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int,int> P; inline int read(){ int x = 0, f = 1; char ch = getchar(); while(ch<'0'||ch>'9'){ if(ch=='-') f = -1; ch = getchar(); } while(ch>='0'&&ch<='9'){ x=(x<<1)+(x<<3)+(ch^48); ch = getchar(); } return x*f; } ll n, l, A[MAXN], B[MAXN], ans; void solve(){ n = read(); l = read(); A[n+1] = B[n+1] = l + 1; for(re int i = 1 ; i <= n ; ++i) A[i] = read(); for(re int i = 1 ; i <= n ; ++i) B[i] = read(); for(re int i = n + 1 ; i >= 1 ; --i){ A[i] = A[i] - A[i-1] - 1; B[i] = B[i] - B[i-1] - 1; } int cnt = 1; for(re int i = 1 ; i <= n + 1 ; ++i){ if(!B[i]) continue; while(!A[cnt]) ++cnt; ll sum = 0, st = cnt, ed; while(sum<B[i]&&cnt<=n+1){ sum += A[cnt++]; //printf("i = %d cnt = %d sum = %d\n",i,cnt,sum); } if(sum!=B[i]){ printf("-1\n"); return ; } ed = cnt - 1; ans += max(0ll,i-st) + max(0ll,ed-i); } printf("%lld\n",ans); } int main(){ int t = 1; //t = read(); while(t--) solve(); return 0; }
#include <bits/stdc++.h> #include <iostream> #include <algorithm> #include <stdio.h> #include <string> #include <vector> #include <cstdlib> using namespace std; int main(){ int N,M,tmp,cnt,ANS_size; vector<int>vec,ANS_vec; cin>>N>>M; for(int i = 1;i<=N+M;i++){ cin>>tmp; vec.push_back(tmp); } for(int i=1;i<=pow(10,3);i++){ cnt = 0; for(int j=0;j<N+M;j++){ if(vec[j] == i){ cnt++; } } if(cnt == 1){ ANS_vec.push_back(i); }; } ANS_size = ANS_vec.size(); for(int i=0;i<ANS_size;i++){ cout<<ANS_vec[i]<<" "; } cout<<endl; }
#include <bits/stdc++.h> using namespace std; using ll = long long; // 2^31-1 using P = pair<string, int>; // 2変数を一括でつかえる 2重にすれば3,4変数同時も. #define rep(i,n) for(int i=0;i<(int)(n);i++) #define repi(i, s, n) for (int i = (s); i <= (n); i++) #define all(v) v.begin(),v.end() #define INF32 2147483647 // 32bit max #define INF64 9223372036854775807 // 64bit max // max, reverse, sort(a,a+n), greater<int>() int main() { ll n,k; cin >> n >> k; vector<pair<ll,ll> > x(n); rep(i,n) cin >> x[i].first >> x[i].second; sort(all(x)); ll money=k,loc=0; rep(i,n){ ll cost=x[i].first-loc; if(loc==x[i].first){ money+=x[i].second; } else if(money>=cost){ money-=cost; loc=x[i].first; money+=x[i].second; }else{ break; } } cout << loc+money << endl; return 0; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> using namespace std; using namespace __gnu_pbds; template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; #define endl '\n' #define pb push_back #define ub upper_bound #define lb lower_bound #define fi first #define se second #define int long long typedef long long ll; typedef long double ld; #define pii pair<int,int> #define pll pair<ll,ll> #define sz(x) ((long long)x.size()) #define fr(a,b,c) for(int a=b; a<=c; a++) #define frev(a,b,c) for(int a=c; a>=b; a--) #define rep(a,b,c) for(int a=b; a<c; a++) #define trav(a,x) for(auto &a:x) #define all(con) con.begin(),con.end() #define done(x) {cout << x << endl;return;} #define mini(x,y) x=min(x,y) #define maxi(x,y) x=max(x,y) const ll infl = 0x3f3f3f3f3f3f3f3fLL; const int infi = 0x3f3f3f3f; mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count()); //const int mod = 998244353; const int mod = 1e9 + 7; typedef vector<int> vi; typedef vector<string> vs; typedef vector<vector<int>> vvi; typedef vector<pair<int, int>> vpii; typedef map<int, int> mii; typedef set<int> si; typedef set<pair<int,int>> spii; typedef queue<int> qi; uniform_int_distribution<int> rng(0,1e9); //DEBUG FUNCTIONS START #define cerr cout void __print(int x) {cerr << x;} void __print(double x) {cerr << x;} void __print(long double x) {cerr << x;} void __print(char x) {cerr << '\'' << x << '\'';} void __print(const char *x) {cerr << '\"' << x << '\"';} void __print(const string &x) {cerr << '\"' << x << '\"';} void __print(bool x) {cerr << (x ? "true" : "false");} template<typename T, typename V> void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';} template<typename T> void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";} void _print() {cerr << "\n";} template <typename T, typename... V> void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);} #ifndef ONLINE_JUDGE #define deb(x...) _print(x) #else #define deb(x...) #endif // DEBUG FUNCTIONS END const int N = 2e5 + 5; int powm(int a, int b){ int res = 1; while (b) { if (b & 1) res = res * a % mod; a = a * a % mod; b >>= 1; } return res; } void solve(){ int n, p; cin >> n >> p; cout << (p-1) * powm(p-2, n-1) % mod << endl; } signed main() { #ifndef ONLINE_JUDGE (void)!freopen("input.txt","r",stdin); (void)!freopen ("output.txt","w",stdout); #endif ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); cout << fixed << setprecision(15); int t = 1; //cin >> t; while (t--) solve(); return 0; } int divide(int a, int b) { return (a % mod) * powm(b % mod, mod - 2) % mod; }
#include<bits/stdc++.h> using namespace std; #define IOS ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); #define ll long long #define pb push_back #define vec vector<ll> #define pii pair<ll,ll> #define pr_que priority_queue<pii,vector<pii>,greater<pii> > #define itr(i,x,y) for(ll i=x;i<y;i++) #define mod 1000000007 const long long N=200001,INF=1000000000000000000; const double err=1e-9; int main() { IOS; int n; cin >> n; int a[n][5]; itr(i,0,n) { itr(j,0,5) { cin >> a[i][j]; } } int lo=1,hi=1e9,mid; while(lo<hi) { mid=lo+(hi-lo+1)/2; bool v[1<<5]; itr(i,0,1<<5) v[i]=false; itr(i,0,n) { int mask=0; itr(j,0,5) { if(a[i][j]>=mid) { mask=mask^(1<<j); } } v[mask]=true; } bool c=false; itr(i,0,1<<5) { if(!v[i]) continue; itr(j,0,1<<5) { if(!v[j]) continue; itr(k,0,1<<5) { if(!v[k]) continue; if((i|j|k) == (1<<5)-1) { c=true; } } } } if(c==true) lo=mid; else hi=mid-1; } cout << lo << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define all(x) (x).begin(),(x).end() const long long MOD = 1000000007; const long long INF = 9999999999999999; using ll = long long; template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; } template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; } ll A[3020][5]; ll N; bool isOK(ll key){ vector<ll> aup(32); rep(i,N){ ll temp = 0; rep(k,5){ if(A[i][k]>=key){ temp+=pow(2,k); } } aup[temp]++; } bool aru = 0; rep(i,32){ rep(k,32){ rep(t,32){ if((i|k|t) == 31){ if(aup[i]>0&&aup[k]>0&&aup[t]>0){ //cout << i << k << t << endl; aru = 1; } } } } } return aru; } int main(){ cin>>N; rep(i,N){ cin>>A[i][0]>>A[i][1]>>A[i][2]>>A[i][3]>>A[i][4]; } ll right = MOD; ll left = -1; while((right-left)>1){ ll mid=left+(right-left)/2; if(isOK(mid)){ left = mid; } else{ right = mid; } } cout << left << endl; return 0; }