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s297158111
p04048
Java
vimport java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import java.util.NoSuchElementException; public class Main { static PrintWriter out; static InputReader ir; static boolean debug = false; static void solve() { long n = ir.nextLong(); long x = ir.nextLong(); long res = n; long a = n - x; long b = x; while (a != 0 && b != 0) { if (a < b) { long tmp = a; a = b; b = tmp; } long d = a / b; res += d * 2 * b; a %= b; } out.println(res - Math.max(a, b)); } public static void main(String[] args) { ir = new InputReader(System.in); out = new PrintWriter(System.out); solve(); out.flush(); } static class InputReader { private InputStream in; private byte[] buffer = new byte[1024]; private int curbuf; private int lenbuf; public InputReader(InputStream in) { this.in = in; this.curbuf = this.lenbuf = 0; } public boolean hasNextByte() { if (curbuf >= lenbuf) { curbuf = 0; try { lenbuf = in.read(buffer); } catch (IOException e) { throw new InputMismatchException(); } if (lenbuf <= 0) return false; } return true; } private int readByte() { if (hasNextByte()) return buffer[curbuf++]; else return -1; } private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); } private void skip() { while (hasNextByte() && isSpaceChar(buffer[curbuf])) curbuf++; } public boolean hasNext() { skip(); return hasNextByte(); } public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while (!isSpaceChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public int nextInt() { if (!hasNext()) throw new NoSuchElementException(); int c = readByte(); while (isSpaceChar(c)) c = readByte(); boolean minus = false; if (c == '-') { minus = true; c = readByte(); } int res = 0; do { if (c < '0' || c > '9') throw new InputMismatchException(); res = res * 10 + c - '0'; c = readByte(); } while (!isSpaceChar(c)); return (minus) ? -res : res; } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); int c = readByte(); while (isSpaceChar(c)) c = readByte(); boolean minus = false; if (c == '-') { minus = true; c = readByte(); } long res = 0; do { if (c < '0' || c > '9') throw new InputMismatchException(); res = res * 10 + c - '0'; c = readByte(); } while (!isSpaceChar(c)); return (minus) ? -res : res; } public double nextDouble() { return Double.parseDouble(next()); } public int[] nextIntArray(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = nextInt(); return a; } public long[] nextLongArray(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nextLong(); return a; } public char[][] nextCharMap(int n, int m) { char[][] map = new char[n][m]; for (int i = 0; i < n; i++) map[i] = next().toCharArray(); return map; } } static void tr(Object... o) { if (debug) out.println(Arrays.deepToString(o)); } }
Main.java:1: error: class, interface, enum, or record expected vimport java.io.IOException; ^ Main.java:2: error: class, interface, enum, or record expected import java.io.InputStream; ^ Main.java:3: error: class, interface, enum, or record expected import java.io.PrintWriter; ^ Main.java:4: error: class, interface, enum, or record expected import java.util.Arrays; ^ Main.java:5: error: class, interface, enum, or record expected import java.util.InputMismatchException; ^ Main.java:6: error: class, interface, enum, or record expected import java.util.NoSuchElementException; ^ 6 errors
s643726217
p04048
Java
import java.util.*; public class Main{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); long int n = sc.nextInt(); n++; long int x = sc.nextInt(); //1:point 0:not point long int field[][] = new int[n][2*n-1]; for(long int i=0; i<n; i++){ for(long int j=0; j<2*n-1; j++){ if((i+j)%2==0){ if((i<=j && j<n)||(i<=(2*n-2-j) && j>=n)){ field[i][j] = 1; } else{ field[i][j] = 0; } } else{ field[i][j] = 0; } } } //10:ab 20:bc 30:ca 40:corner field[0][0] = field[0][0] + 40; field[0][2*n-2] = field[0][2*n-2] + 40; field[n-1][n-1] = field[n-1][n-1] + 40; for(long int i=0; i<n; i++){ for(long int j=0; j<2*n-1; j++){ if(i==0 && field[i][j]==1){ field[i][j] = field[i][j] + 20; } else if(i==j && field[i][j]==1){ field[i][j] = field[i][j] + 10; } else if(i==2*n-2-j && field[i][j]==1){ field[i][j] = field[i][j] + 30; } } } //light[i, j, vec] long int light[] = {n-x, n-x, 20}; field[n-x][n-x] = field[n-x][n-x] + 30; long int ans = 0; while(true){ if(Math.abs(light[2])==10){ if(light[2]>0){ light[0] += -1; light[1] += -1; } else{ light[0] += 1; light[1] += 1; } } else if(Math.abs(light[2])==20){ if(light[2]>0){ light[1] += 2; } else{ light[1] += -2; } } else{ if(light[2]>0){ light[0] += 1; light[1] += -1; } else{ light[0] += -1; light[1] += 1; } } ans ++; if(field[light[0]][light[1]]>=40){ break; } else if(field[light[0]][light[1]]>=30){ field[light[0]][light[1]] = 41; if(Math.abs(light[2])==10){ light[2] = 20*(long int)Math.signum(light[2]); } else{ light[2] = 10*(long int)Math.signum(light[2]); } } else if(field[light[0]][light[1]]>=20){ field[light[0]][light[1]] = 41; if(Math.abs(light[2])==10){ light[2] = 30*(long int)Math.signum(light[2]); } else{ light[2] = 10*(long int)Math.signum(light[2]); } } else if(field[light[0]][light[1]]>=10){ field[light[0]][light[1]] = 41; if(Math.abs(light[2])==20){ light[2] = 30*(long int)Math.signum(light[2]); } else{ light[2] = 20*(long int)Math.signum(light[2]); } } else{ field[light[0]][light[1]] = light[2] + 1; } } System.out.println(ans); } }
Main.java:5: error: not a statement long int n = sc.nextInt(); ^ Main.java:5: error: ';' expected long int n = sc.nextInt(); ^ Main.java:7: error: not a statement long int x = sc.nextInt(); ^ Main.java:7: error: ';' expected long int x = sc.nextInt(); ^ Main.java:9: error: not a statement long int field[][] = new int[n][2*n-1]; ^ Main.java:9: error: ';' expected long int field[][] = new int[n][2*n-1]; ^ Main.java:10: error: not a statement for(long int i=0; i<n; i++){ ^ Main.java:10: error: ';' expected for(long int i=0; i<n; i++){ ^ Main.java:10: error: '.class' expected for(long int i=0; i<n; i++){ ^ Main.java:10: error: ')' expected for(long int i=0; i<n; i++){ ^ Main.java:10: error: > or ',' expected for(long int i=0; i<n; i++){ ^ Main.java:10: error: not a statement for(long int i=0; i<n; i++){ ^ Main.java:10: error: ';' expected for(long int i=0; i<n; i++){ ^ Main.java:11: error: not a statement for(long int j=0; j<2*n-1; j++){ ^ Main.java:11: error: ';' expected for(long int j=0; j<2*n-1; j++){ ^ Main.java:11: error: '.class' expected for(long int j=0; j<2*n-1; j++){ ^ Main.java:11: error: ')' expected for(long int j=0; j<2*n-1; j++){ ^ Main.java:11: error: illegal start of type for(long int j=0; j<2*n-1; j++){ ^ Main.java:11: error: not a statement for(long int j=0; j<2*n-1; j++){ ^ Main.java:11: error: not a statement for(long int j=0; j<2*n-1; j++){ ^ Main.java:11: error: ';' expected for(long int j=0; j<2*n-1; j++){ ^ Main.java:29: error: not a statement for(long int i=0; i<n; i++){ ^ Main.java:29: error: ';' expected for(long int i=0; i<n; i++){ ^ Main.java:29: error: '.class' expected for(long int i=0; i<n; i++){ ^ Main.java:29: error: ')' expected for(long int i=0; i<n; i++){ ^ Main.java:29: error: > or ',' expected for(long int i=0; i<n; i++){ ^ Main.java:29: error: not a statement for(long int i=0; i<n; i++){ ^ Main.java:29: error: ';' expected for(long int i=0; i<n; i++){ ^ Main.java:30: error: not a statement for(long int j=0; j<2*n-1; j++){ ^ Main.java:30: error: ';' expected for(long int j=0; j<2*n-1; j++){ ^ Main.java:30: error: '.class' expected for(long int j=0; j<2*n-1; j++){ ^ Main.java:30: error: ')' expected for(long int j=0; j<2*n-1; j++){ ^ Main.java:30: error: illegal start of type for(long int j=0; j<2*n-1; j++){ ^ Main.java:30: error: not a statement for(long int j=0; j<2*n-1; j++){ ^ Main.java:30: error: not a statement for(long int j=0; j<2*n-1; j++){ ^ Main.java:30: error: ';' expected for(long int j=0; j<2*n-1; j++){ ^ Main.java:43: error: not a statement long int light[] = {n-x, n-x, 20}; ^ Main.java:43: error: ';' expected long int light[] = {n-x, n-x, 20}; ^ Main.java:45: error: not a statement long int ans = 0; ^ Main.java:45: error: ';' expected long int ans = 0; ^ Main.java:82: error: ')' expected light[2] = 20*(long int)Math.signum(light[2]); ^ Main.java:82: error: '.class' expected light[2] = 20*(long int)Math.signum(light[2]); ^ Main.java:85: error: ')' expected light[2] = 10*(long int)Math.signum(light[2]); ^ Main.java:85: error: '.class' expected light[2] = 10*(long int)Math.signum(light[2]); ^ Main.java:91: error: ')' expected light[2] = 30*(long int)Math.signum(light[2]); ^ Main.java:91: error: '.class' expected light[2] = 30*(long int)Math.signum(light[2]); ^ Main.java:94: error: ')' expected light[2] = 10*(long int)Math.signum(light[2]); ^ Main.java:94: error: '.class' expected light[2] = 10*(long int)Math.signum(light[2]); ^ Main.java:100: error: ')' expected light[2] = 30*(long int)Math.signum(light[2]); ^ Main.java:100: error: '.class' expected light[2] = 30*(long int)Math.signum(light[2]); ^ Main.java:103: error: ')' expected light[2] = 20*(long int)Math.signum(light[2]); ^ Main.java:103: error: '.class' expected light[2] = 20*(long int)Math.signum(light[2]); ^ 52 errors
s532517104
p04048
C++
#include<bits/stdc++.h> using namespace std; #define int long long int n, x, t; int32_t main(){ scanf("%lld %lld", &n, &x); t = 3*(n-1); if(t&1) return !printf(t); printf("%lld", t-3*(min(x, n-x)-1)); }
a.cc: In function 'int32_t main()': a.cc:8:28: error: invalid conversion from 'long long int' to 'const char*' [-fpermissive] 8 | if(t&1) return !printf(t); | ^ | | | long long int In file included from /usr/include/c++/14/cstdio:42, from /usr/include/c++/14/ext/string_conversions.h:45, from /usr/include/c++/14/bits/basic_string.h:4154, from /usr/include/c++/14/string:54, from /usr/include/c++/14/bitset:52, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52, from a.cc:1: /usr/include/stdio.h:363:43: note: initializing argument 1 of 'int printf(const char*, ...)' 363 | extern int printf (const char *__restrict __format, ...); | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
s451435321
p04048
C++
#include<bits/stdc++.h> using namespace std; int main(){ int a[100],b=0; cin>>a[0]>>a[1]; int i=1 for(;;i++){ a[i+1]=a[i-1]%a[i]; if(a[i]<a[i+1])swap(a[i],a[i+1]); if(a[i+1]==0) break; } for(int j=1;j<i;j+=2) b+=a[j]; cout<<b<<endl; return 0; }
a.cc: In function 'int main()': a.cc:7:5: error: expected ',' or ';' before 'for' 7 | for(;;i++){ | ^~~ a.cc:7:14: error: expected ';' before ')' token 7 | for(;;i++){ | ^ | ;
s098648558
p04048
C++
#include<bits/stdc++.h> using namespace std; typedef long long ll; ll n,x; inline ll gcd(ll a,ll b) { return b==0?a:gcd(b,a%b); } int main() { cin>>n>>x; cout<<3*(n-gcd(n,x)); return 0; } #include<bits/stdc++.h> using namespace std; typedef long long ll; ll n,x; inline ll gcd(ll a,ll b) { return b==0?a:gcd(b,a%b); } int main() { cin>>n>>x; cout<<3*(n-gcd(n,x)); return 0; }
a.cc:18:4: error: redefinition of 'll n' 18 | ll n,x; | ^ a.cc:4:4: note: 'll n' previously declared here 4 | ll n,x; | ^ a.cc:18:6: error: redefinition of 'll x' 18 | ll n,x; | ^ a.cc:4:6: note: 'll x' previously declared here 4 | ll n,x; | ^ a.cc:19:11: error: redefinition of 'll gcd(ll, ll)' 19 | inline ll gcd(ll a,ll b) | ^~~ a.cc:5:11: note: 'll gcd(ll, ll)' previously defined here 5 | inline ll gcd(ll a,ll b) | ^~~ a.cc:23:5: error: redefinition of 'int main()' 23 | int main() | ^~~~ a.cc:9:5: note: 'int main()' previously defined here 9 | int main() | ^~~~
s895623471
p04048
C++
#include<bits/stdc++.h> using namespace std; typedef long long ll; ll n,x; inline ll gcd(ll a,ll b) { return b==0?a:gcd(b,a%b); } int main() { cin>>n>>x; cout<<3*(n-gcd(n,x)); return 0; } #include<bits/stdc++.h> using namespace std; typedef long long ll; ll n,x; inline ll gcd(ll a,ll b) { return b==0?a:gcd(b,a%b); } int main() { cin>>n>>x; cout<<3*(n-gcd(n,x)); return 0; } Submission
a.cc:18:4: error: redefinition of 'll n' 18 | ll n,x; | ^ a.cc:4:4: note: 'll n' previously declared here 4 | ll n,x; | ^ a.cc:18:6: error: redefinition of 'll x' 18 | ll n,x; | ^ a.cc:4:6: note: 'll x' previously declared here 4 | ll n,x; | ^ a.cc:19:11: error: redefinition of 'll gcd(ll, ll)' 19 | inline ll gcd(ll a,ll b) | ^~~ a.cc:5:11: note: 'll gcd(ll, ll)' previously defined here 5 | inline ll gcd(ll a,ll b) | ^~~ a.cc:23:5: error: redefinition of 'int main()' 23 | int main() | ^~~~ a.cc:9:5: note: 'int main()' previously defined here 9 | int main() | ^~~~ a.cc:29:1: error: 'Submission' does not name a type 29 | Submission | ^~~~~~~~~~
s355071731
p04048
C++
#include <iostream> using namespace std; int gcd(LLI a,LLI b){ if(a==0||b==0) return a+b; else if(a>=b) return gcd(a%b,b); else return gcd(a,b%a); } int main(){ LLI n,x; cin>>n>>x; cout<<3*(n-gcd(n,x)); }
a.cc:3:9: error: 'LLI' was not declared in this scope 3 | int gcd(LLI a,LLI b){ | ^~~ a.cc:3:15: error: 'LLI' was not declared in this scope 3 | int gcd(LLI a,LLI b){ | ^~~ a.cc:3:20: error: expression list treated as compound expression in initializer [-fpermissive] 3 | int gcd(LLI a,LLI b){ | ^ a.cc: In function 'int main()': a.cc:9:5: error: 'LLI' was not declared in this scope 9 | LLI n,x; cin>>n>>x; | ^~~ a.cc:9:19: error: 'n' was not declared in this scope 9 | LLI n,x; cin>>n>>x; | ^ a.cc:9:22: error: 'x' was not declared in this scope 9 | LLI n,x; cin>>n>>x; | ^ a.cc:10:19: error: 'gcd' cannot be used as a function 10 | cout<<3*(n-gcd(n,x)); | ~~~^~~~~
s683952697
p04048
C++
#include<stdio.h> #include<algorithm> long n,m,a; main(){ scanf("%ld%ld",&n,&m); a=3*(n-std::__gcd(n,m); printf("%ld",a); }
a.cc:6:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 6 | main(){ | ^~~~ a.cc: In function 'int main()': a.cc:8:27: error: expected ')' before ';' token 8 | a=3*(n-std::__gcd(n,m); | ~ ^ | )
s488825638
p04048
C++
#include<stdio.h> #include<algorithm> long n,m,a; main(){ scanf("%ld%ld",&n,&m); a=3*(n-std::__gcd(n,m); printf("%ld",a); }
a.cc:6:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 6 | main(){ | ^~~~ a.cc: In function 'int main()': a.cc:8:27: error: expected ')' before ';' token 8 | a=3*(n-std::__gcd(n,m); | ~ ^ | )
s626955073
p04048
C++
#include<bits/stdc++.h> long n,m;main(){std::cin>>n>>m;std::cout<<3*(n-__gcd(n,m));}
a.cc:2:10: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 2 | long n,m;main(){std::cin>>n>>m;std::cout<<3*(n-__gcd(n,m));} | ^~~~ a.cc: In function 'int main()': a.cc:2:48: error: '__gcd' was not declared in this scope 2 | long n,m;main(){std::cin>>n>>m;std::cout<<3*(n-__gcd(n,m));} | ^~~~~ a.cc:2:48: note: suggested alternatives: In file included from /usr/include/c++/14/algorithm:61, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51, from a.cc:1: /usr/include/c++/14/bits/stl_algo.h:1137:5: note: 'std::__gcd' 1137 | __gcd(_EuclideanRingElement __m, _EuclideanRingElement __n) | ^~~~~ In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:58: /usr/include/c++/14/numeric:134:5: note: 'std::__detail::__gcd' 134 | __gcd(_Tp __m, _Tp __n) | ^~~~~
s533036074
p04048
C++
#include <iostream> #include <bits/stdc++.h> using namespace std; long long n = 0, length = 0; void Go_Ray(long long rayActual, long long rayPasado) { if (rayActual == rayPasado) { length += rayActual; return; } if (rayPasado < rayActual) { length += (2 * rayPasado); Go_Ray(rayPasado, rayActual - rayPasado); } else { length += (2 * rayActual); Go_Ray(rayActual, rayPasado - rayActual); } } int main() { ios_base::sync_with_stdio(false); cin.tie(0); long long x; cin >> n >> x; length = n; Go_Ray(n - x,x); cout << length << endl; return 0;
a.cc: In function 'int main()': a.cc:36:14: error: expected '}' at end of input 36 | return 0; | ^ a.cc:28:1: note: to match this '{' 28 | { | ^
s137262786
p04048
C++
#include<bits/stdc++.h> using namespace std; #define rep(i, a, b) for(int i = (a), i##_end_ = (b); i <= i##_end_; ++i) #define clear(a, b) memset((a), (b), sizeof(a)) typedef long long LL; LL n, x; LL f(LL a, LL b) { if(a > b) swap(a, b); if(a == 1) return b * 2 - 1; return 1ll * f(b - a, a) + 2 * a; } LL ans; int main(){ scanf("%lld %lld", &n, &x); ans = n + f(x, n - x) printf("%lld\n", ans); return 0; }
a.cc: In function 'int main()': a.cc:15:30: error: expected ';' before 'printf' 15 | ans = n + f(x, n - x) | ^ | ; 16 | printf("%lld\n", ans); | ~~~~~~
s891643852
p04048
C++
#include <bits/stdc++.h> using namespace std; using i64 = long long; int main() { #ifdef HOME freopen("agc1b.in", "r", stdin); freopen("agc1b.out", "w", stdout); #endif ios::sync_with_stdio(false); cin.tie(0), cout.tie(0); i64 sum(0); int a, b; cin >> a >> b; a = a - b; sum = a + b; while (a && b) { if (a > b) sum+= a / b * b * 2, a%= b; else sum+= b / a * a * l, b%= a; } cout << sum - a - b << endl; return 0; }
a.cc: In function 'int main()': a.cc:24:43: error: 'l' was not declared in this scope 24 | sum+= b / a * a * l, b%= a; } | ^
s687226338
p04048
C++
#include "bits/stdc++.h" #define int long long #define range(i, a, b) for(int i = a; i < b; i++) #define rep(i, a) range(i, 0, a) #define all(a) (a).begin(),(a).end() using namespace std; const int MOD = 1e9 + 7, INF = 1e9; using vi = vector <int>; using vvi = vector <vi>; //g++ -std==c++14 signed main(){ int n, x; cin >> n >> x; if(n == 2 * x) cout << 3 * x << endl; else if(n % x != 0 && (n % 2 == 1 || x % 2 == 1)) cout << n + n - 1 + n - 2 << endl; else{ int amari = n % x; int va = n - amari; cout << 3 * va - 3 * amari << endl; }
a.cc: In function 'int main()': a.cc:27:2: error: expected '}' at end of input 27 | } | ^ a.cc:12:14: note: to match this '{' 12 | signed main(){ | ^
s495543192
p04048
C++
#include "bits/stdc++.h" #define int long long #define range(i, a, b) for(int i = a; i < b; i++) #define rep(i, a) range(i, 0, a) #define all(a) (a).begin(),(a).end() using namespace std; const int MOD = 1e9 + 7, INF = 1e9; using vi = vector <int>; using vvi = vector <vi>; //g++ -std==c++14 signed main(){ int n, x; cin >> n >> x; if(n == 2 * x) cout << 3 * x << endl; else if(n % 3 != 0 && (n % 2 == 1 || x % 2 == 1)) cout << n + n - 1 + n - 2 << endl; else{ int amari = n % x; int va = n - amari; cout << 3 * va - 3 * amari << endl; }
a.cc: In function 'int main()': a.cc:27:2: error: expected '}' at end of input 27 | } | ^ a.cc:12:14: note: to match this '{' 12 | signed main(){ | ^
s440481416
p04048
C++
#include <iostream> using namespace std; int main(){ int n,x,s=0; cin >>n; cin >>x; while(x!=0){ s+=x; if( x>n-x) { int a=x; x=t-x; t=a; } else { x=t-x; } cout <<s; } }
a.cc: In function 'int main()': a.cc:13:27: error: 't' was not declared in this scope 13 | x=t-x; | ^ a.cc:18:27: error: 't' was not declared in this scope 18 | x=t-x; | ^
s387961476
p04048
C++
#include <iostream> using namesspace std; int main(){ int n,x,s=0; cin >>n; cin >>x; while(x!=0){ s+=x; if( x>n-x) { int a=x; x=t-x; t=a; } else { x=t-x; } cout <<s; } }
a.cc:2:7: error: expected nested-name-specifier before 'namesspace' 2 | using namesspace std; | ^~~~~~~~~~ a.cc: In function 'int main()': a.cc:5:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'? 5 | cin >>n; | ^~~ | std::cin In file included from a.cc:1: /usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here 62 | extern istream cin; ///< Linked to standard input | ^~~ a.cc:13:27: error: 't' was not declared in this scope 13 | x=t-x; | ^ a.cc:18:27: error: 't' was not declared in this scope 18 | x=t-x; | ^ a.cc:20:17: error: 'cout' was not declared in this scope; did you mean 'std::cout'? 20 | cout <<s; | ^~~~ | std::cout /usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here 63 | extern ostream cout; ///< Linked to standard output | ^~~~
s338211058
p04048
C++
#include <bits/stdc++.h> long long n, x; int main() { scanf("%lld%lld", &n, &x); printf("%lld\n", 3 * (n - __gcd(n, x))); return 0; }
a.cc: In function 'int main()': a.cc:7:29: error: '__gcd' was not declared in this scope 7 | printf("%lld\n", 3 * (n - __gcd(n, x))); | ^~~~~ a.cc:7:29: note: suggested alternatives: In file included from /usr/include/c++/14/algorithm:61, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51, from a.cc:1: /usr/include/c++/14/bits/stl_algo.h:1137:5: note: 'std::__gcd' 1137 | __gcd(_EuclideanRingElement __m, _EuclideanRingElement __n) | ^~~~~ In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:58: /usr/include/c++/14/numeric:134:5: note: 'std::__detail::__gcd' 134 | __gcd(_Tp __m, _Tp __n) | ^~~~~
s400184207
p04048
C++
#include <bits/stdc++.h> #define ll long long #define uint unsigned long long #define ls x << 1 #define rs x << 1 | 1 #define pb push_back #define mp make_pair #define pii pair<int, int> #define X first #define Y second #define pcc pair<char, char> #define vi vector<int> #define vl vector<ll> #define rep(i, x, y) for(int i = x; i <= y; i ++) #define rrep(i, x, y) for(int i = x; i >= y; i --) #define eps 1e-9 using namespace std; 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 * 10 + ch - '0'; ch = getchar(); } return x * f; } ll dfs(ll a,ll b) { if(a > b) swap(a, b); if(b % a == 0) return (a * ((b / a) * 2 - 1)); ll res = get(a, b % a) + (a + a) * (b / a); return res; } ll n,x; int main(void) { scanf("%lld%lld", &n, &x); if(n == x * 2) printf("%lld\n", x * 3); else { ll ans = 0; if(x * 2 < n) { ans = x + (n - x) + x + x; ans += dfs(x, n - 2 * x); } else { ans = x + n - x; ans += dfs(x, n - x); } printf("%lld\n", ans); } return 0; }
a.cc: In function 'long long int dfs(long long int, long long int)': a.cc:29:21: error: no matching function for call to 'get(long long int&, long long int)' 29 | ll res = get(a, b % a) + (a + a) * (b / a); | ~~~^~~~~~~~~~ In file included from /usr/include/c++/14/bits/stl_algobase.h:64, from /usr/include/c++/14/algorithm:60, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51, from a.cc:1: /usr/include/c++/14/bits/stl_pair.h:1250:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(pair<_Tp1, _Tp2>&)' 1250 | get(pair<_Tp1, _Tp2>& __in) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1250:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1255:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(pair<_Tp1, _Tp2>&&)' 1255 | get(pair<_Tp1, _Tp2>&& __in) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1255:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1260:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(const pair<_Tp1, _Tp2>&)' 1260 | get(const pair<_Tp1, _Tp2>& __in) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1260:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1265:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(const pair<_Tp1, _Tp2>&&)' 1265 | get(const pair<_Tp1, _Tp2>&& __in) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1265:5: note: candidate expects 1 argument, 2 provided In file included from /usr/include/c++/14/bits/memory_resource.h:47, from /usr/include/c++/14/string:68, from /usr/include/c++/14/bitset:52, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52: /usr/include/c++/14/tuple:2445:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >& std::get(tuple<_Elements ...>&)' 2445 | get(tuple<_Elements...>& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2445:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2451:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >& std::get(const tuple<_Elements ...>&)' 2451 | get(const tuple<_Elements...>& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2451:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2457:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >&& std::get(tuple<_Elements ...>&&)' 2457 | get(tuple<_Elements...>&& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2457:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2466:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >&& std::get(const tuple<_Elements ...>&&)' 2466 | get(const tuple<_Elements...>&& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2466:5: note: candidate expects 1 argument, 2 provided In file included from /usr/include/c++/14/functional:65, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53: /usr/include/c++/14/array:390:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp& std::get(array<_Tp, _Nm>&)' 390 | get(array<_Tp, _Nm>& __arr) noexcept | ^~~ /usr/include/c++/14/array:390:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/array:399:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp&& std::get(array<_Tp, _Nm>&&)' 399 | get(array<_Tp, _Nm>&& __arr) noexcept | ^~~ /usr/include/c++/14/array:399:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/array:408:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp& std::get(const array<_Tp, _Nm>&)' 408 | get(const array<_Tp, _Nm>& __arr) noexcept | ^~~ /usr/include/c++/14/array:408:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/array:417:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp&& std::get(const array<_Tp, _Nm>&&)' 417 | get(const array<_Tp, _Nm>&& __arr) noexcept | ^~~ /usr/include/c++/14/array:417:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1272:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(pair<_T1, _T2>&)' 1272 | get(pair<_Tp, _Up>& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1272:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1277:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const pair<_T1, _T2>&)' 1277 | get(const pair<_Tp, _Up>& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1277:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1282:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp&& std::get(pair<_T1, _T2>&&)' 1282 | get(pair<_Tp, _Up>&& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1282:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1287:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const pair<_T1, _T2>&&)' 1287 | get(const pair<_Tp, _Up>&& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1287:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1292:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(pair<_Up, _Tp>&)' 1292 | get(pair<_Up, _Tp>& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1292:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1297:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const pair<_Up, _Tp>&)' 1297 | get(const pair<_Up, _Tp>& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1297:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1302:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp&& std::get(pair<_Up, _Tp>&&)' 1302 | get(pair<_Up, _Tp>&& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1302:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1307:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const pair<_Up, _Tp>&&)' 1307 | get(const pair<_Up, _Tp>&& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1307:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2476:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__enable_if_t<(__i >= sizeof... (_Types))> std::get(const tuple<_Elements ...>&)' (deleted) 2476 | get(const tuple<_Elements...>&) = delete; | ^~~ /usr/include/c++/14/tuple:2476:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2483:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(tuple<_Elements ...>&)' 2483 | get(tuple<_Types...>& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2483:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2494:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(tuple<_Elements ...>&&)' 2494 | get(tuple<_Types...>&& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2494:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2505:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const tuple<_Elements ...>&)' 2505 | get(const tuple<_Types...>& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2505:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2517:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const tuple<_Elements ...>&&)' 2517 | get(const tuple<_Types...>&& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2517:5: note: candidate expects 1 argument, 2 provided In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80: /usr/include/c++/14/variant:1715:5: note: candidate: 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >& std::get(variant<_Types ...>&)' 1715 | get(variant<_Types...>& __v) | ^~~ /usr/include/c++/14/variant:1715:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/variant:1726:5: note: candidate: 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >&& std::get(variant<_Types ...>&&)' 1726 | get(variant<_Types...>&& __v) | ^~~ /usr/include/c++/14/variant:1726:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/variant:1737:5: note: candidate: 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >& std::get(const variant<_Types ...>&)' 1737 | get(const variant<_Types...>& __v) | ^~~ /usr/include/c++/14/variant:1737:5: note: candidate expects 1 argument, 2 p
s467629674
p04048
C++
#include <bits/stdc++.h> #define ll long long #define uint unsigned long long #define ls x << 1 #define rs x << 1 | 1 #define pb push_back #define mp make_pair #define pii pair<int, int> #define X first #define Y second #define pcc pair<char, char> #define vi vector<int> #define vl vector<ll> #define rep(i, x, y) for(int i = x; i <= y; i ++) #define rrep(i, x, y) for(int i = x; i >= y; i --) #define eps 1e-9 using namespace std; 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 * 10 + ch - '0'; ch = getchar(); } return x * f; } ll dfs(ll a,ll b) { if(a > b) swap(a, b); if(b % a == 0) return (a * ((b / a) * 2 - 1)); ll res = get(a, b % a) + (a + a) * (b / a); return res; } ll n,x; int main(void) { scanf("%lld%lld", &n, &x); if(n == x * 2) printf("%lld\n", x * 3); else { ll ans = 0; if(x * 2 < n) { ans = x + (n - x) + x + x; ans += dfs(x, n - 2 * x); } else { ans = x + n - x; ans += dfs(x, n - x); } printf("%lld\n", ans); } return 0; }
a.cc: In function 'long long int dfs(long long int, long long int)': a.cc:29:21: error: no matching function for call to 'get(long long int&, long long int)' 29 | ll res = get(a, b % a) + (a + a) * (b / a); | ~~~^~~~~~~~~~ In file included from /usr/include/c++/14/bits/stl_algobase.h:64, from /usr/include/c++/14/algorithm:60, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51, from a.cc:1: /usr/include/c++/14/bits/stl_pair.h:1250:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(pair<_Tp1, _Tp2>&)' 1250 | get(pair<_Tp1, _Tp2>& __in) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1250:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1255:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(pair<_Tp1, _Tp2>&&)' 1255 | get(pair<_Tp1, _Tp2>&& __in) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1255:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1260:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(const pair<_Tp1, _Tp2>&)' 1260 | get(const pair<_Tp1, _Tp2>& __in) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1260:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1265:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(const pair<_Tp1, _Tp2>&&)' 1265 | get(const pair<_Tp1, _Tp2>&& __in) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1265:5: note: candidate expects 1 argument, 2 provided In file included from /usr/include/c++/14/bits/memory_resource.h:47, from /usr/include/c++/14/string:68, from /usr/include/c++/14/bitset:52, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52: /usr/include/c++/14/tuple:2445:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >& std::get(tuple<_Elements ...>&)' 2445 | get(tuple<_Elements...>& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2445:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2451:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >& std::get(const tuple<_Elements ...>&)' 2451 | get(const tuple<_Elements...>& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2451:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2457:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >&& std::get(tuple<_Elements ...>&&)' 2457 | get(tuple<_Elements...>&& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2457:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2466:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_Elements ...> >&& std::get(const tuple<_Elements ...>&&)' 2466 | get(const tuple<_Elements...>&& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2466:5: note: candidate expects 1 argument, 2 provided In file included from /usr/include/c++/14/functional:65, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53: /usr/include/c++/14/array:390:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp& std::get(array<_Tp, _Nm>&)' 390 | get(array<_Tp, _Nm>& __arr) noexcept | ^~~ /usr/include/c++/14/array:390:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/array:399:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp&& std::get(array<_Tp, _Nm>&&)' 399 | get(array<_Tp, _Nm>&& __arr) noexcept | ^~~ /usr/include/c++/14/array:399:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/array:408:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp& std::get(const array<_Tp, _Nm>&)' 408 | get(const array<_Tp, _Nm>& __arr) noexcept | ^~~ /usr/include/c++/14/array:408:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/array:417:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp&& std::get(const array<_Tp, _Nm>&&)' 417 | get(const array<_Tp, _Nm>&& __arr) noexcept | ^~~ /usr/include/c++/14/array:417:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1272:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(pair<_T1, _T2>&)' 1272 | get(pair<_Tp, _Up>& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1272:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1277:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const pair<_T1, _T2>&)' 1277 | get(const pair<_Tp, _Up>& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1277:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1282:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp&& std::get(pair<_T1, _T2>&&)' 1282 | get(pair<_Tp, _Up>&& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1282:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1287:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const pair<_T1, _T2>&&)' 1287 | get(const pair<_Tp, _Up>&& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1287:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1292:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(pair<_Up, _Tp>&)' 1292 | get(pair<_Up, _Tp>& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1292:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1297:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const pair<_Up, _Tp>&)' 1297 | get(const pair<_Up, _Tp>& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1297:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1302:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp&& std::get(pair<_Up, _Tp>&&)' 1302 | get(pair<_Up, _Tp>&& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1302:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_pair.h:1307:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const pair<_Up, _Tp>&&)' 1307 | get(const pair<_Up, _Tp>&& __p) noexcept | ^~~ /usr/include/c++/14/bits/stl_pair.h:1307:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2476:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__enable_if_t<(__i >= sizeof... (_Types))> std::get(const tuple<_Elements ...>&)' (deleted) 2476 | get(const tuple<_Elements...>&) = delete; | ^~~ /usr/include/c++/14/tuple:2476:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2483:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(tuple<_Elements ...>&)' 2483 | get(tuple<_Types...>& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2483:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2494:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(tuple<_Elements ...>&&)' 2494 | get(tuple<_Types...>&& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2494:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2505:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const tuple<_Elements ...>&)' 2505 | get(const tuple<_Types...>& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2505:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/tuple:2517:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const tuple<_Elements ...>&&)' 2517 | get(const tuple<_Types...>&& __t) noexcept | ^~~ /usr/include/c++/14/tuple:2517:5: note: candidate expects 1 argument, 2 provided In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80: /usr/include/c++/14/variant:1715:5: note: candidate: 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >& std::get(variant<_Types ...>&)' 1715 | get(variant<_Types...>& __v) | ^~~ /usr/include/c++/14/variant:1715:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/variant:1726:5: note: candidate: 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >&& std::get(variant<_Types ...>&&)' 1726 | get(variant<_Types...>&& __v) | ^~~ /usr/include/c++/14/variant:1726:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/variant:1737:5: note: candidate: 'template<long unsigned int _Np, class ... _Types> constexpr std::variant_alternative_t<_Np, std::variant<_Types ...> >& std::get(const variant<_Types ...>&)' 1737 | get(const variant<_Types...>& __v) | ^~~ /usr/include/c++/14/variant:1737:5: note: candidate expects 1 argument, 2 p
s787945613
p04048
C++
#include<bits/stdc++.h> #define int long long using namespace std; signed main(){ int a,b;cin>>a>>b; cout<<3*(a-_gcd(a,b))<<endl; }
a.cc: In function 'int main()': a.cc:7:12: error: '_gcd' was not declared in this scope 7 | cout<<3*(a-_gcd(a,b))<<endl; | ^~~~
s084986561
p04048
C++
#include <bits/stdc++.h> using namespace std; #define int long long #define rep(i,x) for(int i=0;i<x;++i) int calc(int a, int b) { if (a < b) swap(a, b); if (a == b) return a; return 2 * b + calc(b, a - b); } int main() { int N, X; cin >> N >> X; cout << N + calc(X, N - X) << endl; }
cc1plus: error: '::main' must return 'int'
s143266882
p04048
Java
import java.util.concurrent.atomic.AtomicInteger; import java.util.concurrent.atomic.AtomicLong; import java.util.concurrent.Scanner; public class Main { private enum Direction { FLT, ASC, DSC } private static class Vertex { static AtomicLong counter = new AtomicLong(0); final long index = counter.incrementAndGet(); Edge in; Edge out; long trace(Direction inboundDirection) { long result = 0; Direction reflectedDirection = this.out.reflect(inboundDirection); // Form a triangle.. if (getNextClockwiseEdge().dir != reflectedDirection && getNextClockwiseEdge().len > this.out.len) { // Triangle is formed from clockwise rotation long triangleSideLegth = this.out.len; Vertex newVertex = new Vertex(); getNextClockwiseEdge().setFrom(newVertex); getNextClockwiseEdge().len = getNextClockwiseEdge().len - triangleSideLegth; this.out = new Edge(this, newVertex, triangleSideLegth, reflectedDirection); result += triangleSideLegth; result += newVertex.trace(reflectedDirection); } else if (getNextCounterClockwiseEdge().dir != reflectedDirection && getNextCounterClockwiseEdge().len > this.in.len) { // Triangle is formed from counterclockwise rotation // Reverse the graph.. this.in.reverseGraph(); long triangleSideLegth = this.out.len; Vertex newVertex = new Vertex(); getNextClockwiseEdge().setFrom(newVertex); getNextClockwiseEdge().len = getNextClockwiseEdge().len - triangleSideLegth; this.out = new Edge(this, newVertex, triangleSideLegth, reflectedDirection); result += triangleSideLegth; result += newVertex.trace(reflectedDirection); } else { // Need to double check that this is correct if (getNextCounterClockwiseEdge().len == getNextClockwiseEdge().len) return getNextCounterClockwiseEdge().len; else throw new RuntimeException("WhatTheHackException"); } return result; } Edge getNextClockwiseEdge() { return out.to.out; } Edge getNextCounterClockwiseEdge() { return in.from.in; } public String toString() { return Long.toString(index); } } private static class Edge { static AtomicInteger counter = new AtomicInteger(0); final int index = counter.incrementAndGet(); Vertex from; Vertex to; long len; Direction dir; public Edge(Vertex f, Vertex t, long len, Direction direction) { this.from = f; this.from.out = this; this.to = t; this.to.in = this; this.len = len; this.dir = direction; } void setTo(Vertex to) { this.to = to; this.to.in = this; } void setFrom(Vertex from) { this.from = from; this.from.out = this; } Direction reflect(Direction direction) { if (this.dir == Direction.FLT) { if (direction == Direction.ASC) return Direction.DSC; else if (direction == Direction.DSC) return Direction.ASC; else throw new IllegalArgumentException("Kwap"); } else if (this.dir == Direction.ASC) { if (direction == Direction.FLT) return Direction.DSC; else if (direction == Direction.DSC) return Direction.FLT; else throw new IllegalArgumentException("Kwap"); } else if (this.dir == Direction.DSC) { if (direction == Direction.FLT) return Direction.ASC; else if (direction == Direction.ASC) return Direction.DSC; else throw new IllegalArgumentException("Kwap"); } else throw new IllegalArgumentException("Kwap"); } void reverseGraph() { Edge nextEdge = to.out; Vertex origFrom = this.from; this.from = this.to; this.to = origFrom; this.to.in = this; this.from.out = this; if (nextEdge.to != this.from) nextEdge.reverseGraph(); } public String toString() { return Long.toString(index); } } public static void main(String[] args) { Scanner scan = new Scanner(System.in); long n = scan.nextLong(); long x = scan.nextLong(); System.out.println(getRayLength(x,n)); } private static long getRayLength(long X, long N) { Vertex v1 = new Vertex(); Vertex v2 = new Vertex(); Vertex v3 = new Vertex(); Vertex v4 = new Vertex(); Edge e1 = new Edge(v1, v2, N - X, Direction.ASC); Edge e2 = new Edge(v2, v3, X, Direction.FLT); Edge e3 = new Edge(v3, v4, N - X, Direction.DSC); Edge e4 = new Edge(v4, v1, N, Direction.FLT); return e2.len + v3.trace(Direction.FLT); } }
Main.java:4: error: cannot find symbol import java.util.concurrent.Scanner; ^ symbol: class Scanner location: package java.util.concurrent Main.java:164: error: cannot find symbol Scanner scan = new Scanner(System.in); ^ symbol: class Scanner location: class Main Main.java:164: error: cannot find symbol Scanner scan = new Scanner(System.in); ^ symbol: class Scanner location: class Main 3 errors
s641512046
p04048
C++
#include <iostream> #include <string> #include <vector> #include <algorithm> #include <cstdio> #include <queue> #include "math.h" #include <complex> #include <iomanip> #define ifor(i,a,b) for (int i=(a);i<(b);i++) #define rfor(i,a,b) for (int i=(b)-1;i>=(a);i--) #define rep(i,n) for (int i=0;i<(n);i++) #define rrep(i,n) for (int i=(n)-1;i>=0;i--) using namespace std; typedef long double ld; typedef long long int lli; typedef complex <double> P; const double eps = 1e-11; int vex[4]={1,0,-1,0}; int vey[4]={0,1,0,-1}; int gcd(int a,int b){ if(a%b == 0)return b; return gcd(b,a%b); } int main(){ int N ,X; cin >> N >> X; cout << 3(N-gcd(N,X))<<endl; return 0 ; }
a.cc: In function 'int main()': a.cc:28:18: error: expression cannot be used as a function 28 | cout << 3(N-gcd(N,X))<<endl; | ~^~~~~~~~~~~~
s742212888
p04048
C++
#include <iostream> #include <string> #include <vector> #include <algorithm> #include <cstdio> #include <queue> #include "math.h" #include <complex> #include <iomanip> #define ifor(i,a,b) for (int i=(a);i<(b);i++) #define rfor(i,a,b) for (int i=(b)-1;i>=(a);i--) #define rep(i,n) for (int i=0;i<(n);i++) #define rrep(i,n) for (int i=(n)-1;i>=0;i--) using namespace std; typedef long double ld; typedef long long int lli; typedef complex <double> P; const double eps = 1e-11; int vex[4]={1,0,-1,0}; int vey[4]={0,1,0,-1}; int gcd(int a,int b){ if(a%b == 0)return b; return gcd(b,a%b); } int main(){ int N ,X; cin >> N >> X; cout << 3(N-gcd(N,X))<<endl; return 0 ; }
a.cc: In function 'int main()': a.cc:28:18: error: expression cannot be used as a function 28 | cout << 3(N-gcd(N,X))<<endl; | ~^~~~~~~~~~~~
s778307210
p04048
C++
#include<stdio.h> int main(){ long long n, k; scanf("%lld %lld", &n, &k); long long r=n%k; long long res=n; while(r>0){ res+=(n/k-1)*k n=k;k=r;r=n%k; } res+=(k-1)*2+1; printf("%lld", res); }
a.cc: In function 'int main()': a.cc:8:16: error: expected ';' before 'n' 8 | res+=(n/k-1)*k | ^ | ; 9 | n=k;k=r;r=n%k; | ~
s930046833
p04048
C++
#include <iostream> using namespace std; int main() {
a.cc: In function 'int main()': a.cc:4:2: error: expected '}' at end of input 4 | { | ~^
s492967325
p04048
C++
#define _CRT_SECURE_NO_WARNINGS // #pragma warning(disable:4996) #include <iostream> #include <algorithm> #include <vector> #include <string> #include <functional> #include <sstream> #include <cmath> using namespace std; #define rep(i,a,b) for(int i=(a);i<(b);i++) #define pb push_back #define mp(a,b) make_pair(a,b) #define all(a) a.begin(),a.end() typedef pair<int, int> Pii; typedef vector<int> V; typedef long long ll; const int inf = 1e9; const int mod = 1e9 + 7; ll gcd(ll a, ll b) { if(a%b==0) return b; return gcd(b,a%b); } int main() { ll N, X; cin >> N >> X; cout << 3*(N - gcd(N,X)) << endl; retur
a.cc: In function 'int main()': a.cc:34:9: error: 'retur' was not declared in this scope 34 | retur | ^~~~~ a.cc:34:14: error: expected '}' at end of input 34 | retur | ^ a.cc:28:1: note: to match this '{' 28 | { | ^
s346632065
p04048
C
#include<stdio.h> int main() { long N, X; scanf("%ld %ld", &N, &X); long L = X > N - X ? X : N - X; long S = N - L; printf("%ld\n",(N + f(L, S))); return 0; } long f(long L, long S) { if (S == 0) return -L; return 2 * S * (L / S) + f(S, L % S); }
main.c: In function 'main': main.c:8:25: error: implicit declaration of function 'f' [-Wimplicit-function-declaration] 8 | printf("%ld\n",(N + f(L, S))); | ^ main.c: At top level: main.c:11:6: error: conflicting types for 'f'; have 'long int(long int, long int)' 11 | long f(long L, long S) { | ^ main.c:8:25: note: previous implicit declaration of 'f' with type 'int()' 8 | printf("%ld\n",(N + f(L, S))); | ^
s902210176
p04048
C++
#include <iostream> #include <string> #include <vector> #include <queue> #include <stack> #include <map> #include <algorithm> #include <numeric> #include <functional> #include <set> #include <sstream> #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <cctype> #include <climits> #include <fstream> #include <bitset> #include <time.h> #define ll long long #define VL vector<ll> #define VI vector<int> #define FOR(i,b) for(int i= 0; i<((int)b); ++i) #define FOR_(i,a,b) for(int i= a; i<((int)b); ++i) #define RFOR(i,a) for(int i=(a); i >= 0; --i) #define FOE(i,a) for(auto i : a) #define ALL(c) (c).begin(), (c).end() #define RALL(c) (c).rbegin(), (c).rend() #define COUT(x) cout << x << endl; #define DUMP(x) cerr << #x << " = " << (x) << endl; #define SUM(x) std::accumulate(ALL(x), 0LL) #define EPS 1e-14 #define DIM2(R,C,arr) vector<vector<int>> arr(R);FOR(i,R) (arr)[i].resize(C); #define DIM2INIT(R,C,arr) FOR(i,R)FOR(j,C)arr[i][j]=0; #define MAPGEN(R,C,visited,map) char map[R][C]; FOR(i,R){string s;cin>>s;FOR(j,C){visited[i][j]=0;map[i][j]=s[j];}} #define Point pair<int,int> #define POINT(x,y,arr) arr[y][x] #define SORT(a) sort(a.begin(),a.end()); using namespace std; ll gcd(ll a, ll b){ if ( a==0 ) return b; return gcd ( b%a, a ); } int main() { //*** ---------------------------------------------------------------------------*// // // Variables and Initialize // //*----------------------------------------------------------------------------- *// ll N,X; cin >> N >> X;
 ll ans = 3*(N-gcd(N,X)); COUT(ans); return 0; }
a.cc:57:19: error: extended character 
 is not valid in an identifier 57 | cin >> N >> X;
 | ^ a.cc: In function 'int main()': a.cc:57:19: error: '\U00002028' was not declared in this scope 57 | cin >> N >> X;
 | ^ a.cc:59:10: error: 'ans' was not declared in this scope; did you mean 'abs'? 59 | COUT(ans); | ^~~ a.cc:31:25: note: in definition of macro 'COUT' 31 | #define COUT(x) cout << x << endl; | ^
s686792726
p04048
Java
import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.util.HashMap; public class New4 { public static void main(String[] args) throws Exception { BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter out = new BufferedWriter(new OutputStreamWriter(System.out)); long[] a = la(in.readLine(), 2); long N=a[0], X=a[1]; long sum=N; int flag=0; while (flag==0) { long k=(N-X)/X; if ((N-X)%X==0) { sum+=((2*k+1)*X); flag=1; } else { sum+=(2*k*X); long temp=X; X = (N-X)%X; N=temp; } } out.write(sum+"\n"); out.flush(); } private static int ip (String s) { int n = Integer.parseInt(s); return n; } private static long lp (String s) { long n = Long.parseLong(s); return n; } private static double dp (String s) { double n = Double.parseDouble(s); return n; } private static int[] ia (String s, int n) { String[] s1 = s.split(" "); int[] A = new int[n]; for (int i=0; i<n; i++) { A[i] = Integer.parseInt(s1[i]); } return A; } private static long[] la (String s, int n) { String[] s1 = s.split(" "); long[] A = new long[n]; for (int i=0; i<n; i++) { A[i] = Long.parseLong(s1[i]); } return A; } private static double[] da (String s, int n) { String[] s1 = s.split(" "); double[] A = new double[n]; for (int i=0; i<n; i++) { A[i] = Double.parseDouble(s1[i]); } return A; } }
Main.java:7: error: class New4 is public, should be declared in a file named New4.java public class New4 { ^ 1 error
s114292946
p04048
C++
#include <bits/stdc++.h> using namespace std; #define DEBUG_ON 1 // 0 = off, 1 = on namespace { #define ALL(x) (x).begin(),(x).end() #define RALL(x) (x).rbegin(),(x).rend() #define LEN(x) (int)((x).size()) #define FI first #define SE second #define PB push_back #define MP make_pair #define OP minmax #define FOR(i, begin, end) \ for (__typeof(end) i = (begin) - ((begin) > (end)); \ i != (end) - ((begin) > (end)); i += 1 - 2 * ((begin) > (end))) #ifndef ONLINE_JUDGE #include "debug.h" #endif // ONLINE_JUDGE typedef long long int ll; typedef long double ld; typedef vector<int> vi; typedef vector<vi> vvi; typedef pair<int, int> pii; typedef vector<ll> vll; template<typename T> using min_pq = priority_queue<T, vector<T>, greater<T>>; ll expmod(ll a,ll b,ll mod) {ll res=1;a%=mod;for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;} ll gcd(ll a,ll b){return b?gcd(b,a%b):a;} } const int MAX_N = 200000; const ll MODD = 1000000009LL; const ld EPS = 1e-9; ll a, b, c; ll ba, bb, bc; ll solve(ll N, ll X) { if (N % 2 == 0 && X == N / 2) return 3 * X; if (2*X > N) X = N - X; ll ans = 2 * X + N; ll rem = (N - 2*X); ll x = X; while (rem != 0) { DEBUG(ans, rem, x); if (rem % x == 0) { ans += 2 * rem - x; return ans; } ans += (rem / x) * 2*x; ll temp = x; x = rem % x; rem = temp; } return ans; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); ll N, X; cin >> N >> X; cout << solve(N, X) << endl; }
a.cc:21:10: fatal error: debug.h: No such file or directory 21 | #include "debug.h" | ^~~~~~~~~ compilation terminated.
s668671023
p04048
C++
#include<string.h> #include<iostream> #include<string> #include<algorithm> #include<cstdio> #include<math.h> using namespace std; int main() { unsigned long long n, x; cin >> n >> x; if (n / 2.0 != x) { int a = (n - x) / x; int b = (n - x) % x; cout << x * 3 * ( b + a); } }else { cout << x * 3; } return 0; }
a.cc:15:18: error: expected unqualified-id before 'else' 15 | } }else { | ^~~~ a.cc:18:9: error: expected unqualified-id before 'return' 18 | return 0; | ^~~~~~ a.cc:19:1: error: expected declaration before '}' token 19 | } | ^
s497610149
p04048
C++
#include<string.h> #include<iostream> #include<string> #include<algorithm> #include<cstdio> #include<math.h> using namespace std; int main() { unsigned long long n, x; cin >> n >> x; if (n / 2.0 != x) { int a = (n - x) / x; int b = (n - x) % x; cout << x * 3 * ( b + a); } }else { cout << x * 3; } return 0;
a.cc:15:18: error: expected unqualified-id before 'else' 15 | } }else { | ^~~~ a.cc:18:9: error: expected unqualified-id before 'return' 18 | return 0; | ^~~~~~
s856791613
p04048
Java
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Arrays; import java.util.stream.Stream; public class Main { static int count = 0; public static int[] func(int[] ar) { //System.out.println(Arrays.toString(ar)); Arrays.sort(ar); if (ar[0] == 0) { //int[] result = {count, 0}; //return result; return ar; } //System.out.println(Arrays.toString(ar)); //count = count + ar[0] * 3 * (ar[1] / ar[0]); int[] next = {ar[0], (ar[1] % ar[0])}; return func(next); } public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String[] line = br.readLine().trim().split(" "); int[] ar = Stream.of(line).mapToInt(Integer::parseInt).toArray(); Arrays.sort(ar); ar[1] = ar[1] - ar[0]; //System.out.println(Arrays.toString(ar)); //int[] ar = {3, 2}; //System.out.println(func(ar)[0]); int poi = func(ar[1]); int result = poi * 3 * ((ar[0] * ar[1]) / poi); System.out.println(result); } }
Main.java:32: error: incompatible types: int cannot be converted to int[] int poi = func(ar[1]); ^ Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output 1 error
s773137502
p04048
C++
#include<iostream> #include<iomanip> #include<algorithm> #include<array> #include<bitset> #include<cassert> #include<cctype> #include<cmath> #include<cstdio> #include<cstring> #include<functional> #include<limits> #include<list> #include<map> #include<numeric> #include<set> #include<stack> #include<string> #include<sstream> #include<queue> #include<vector> using namespace std; using ll = long long; using ull = unsigned long long; using pii = pair<int, int>; #define dump(o) { cerr << #o << " " << o << endl; } #define dumpc(o) { cerr << #o; for (auto &e : (o)) cerr << " " << e; cerr << endl; } #define MOD 1000000007 #define INF 0x3f3f3f3f #define INFL 0x3f3f3f3f3f3f3f3fLL vector<long long> a; vector<long long> b; long long cnt = 0; //最大公約数 long long gcd(long long x, long long y) { if (y) { cnt++; a.push_back(y); b.push_back(x / y); return gcd(y, x%y); } else { return x; } } long long main() { long long N, K; cin >> N >> K; K = max(N - K, K); gcd(N, K); long long ans; if (cnt == 1) { ans = a[0] * 3; } else if (cnt == 2) { ans = 1 * a[0]; ans += (2 * b[1])*a[1]; } else { ans = 1 * a[0]; ans += (2 * b[1] + 1)*a[1]; for (long long i = 2; i < a.size() - 1; i++) { ans += 2 * b[i] * a[i]; //dump(ans); } ans += (2 * b[a.size() - 1] - 1)*a[a.size() - 1]; //dumpc(a); //dumpc(b); } //cout << cnt << endl; cout << ans << endl; return 0; }
cc1plus: error: '::main' must return 'int'
s573995522
p04048
C++
include <iostream> using namespace std; int mod_gcd(int a, int b, int &l){ if(a%b!=0){ l=l+2*( a - (a % b)); return mod_gcd(b,a%b,l); } else { l=l+b*(a/b+1); } } int main(int argc, char *argv[]) { int n,x,l=0; cin >> n >> x; mod_gcd(n-x,x,l); cout << l+n; }
a.cc:1:1: error: 'include' does not name a type 1 | include <iostream> | ^~~~~~~ a.cc: In function 'int main(int, char**)': a.cc:16:9: error: 'cin' was not declared in this scope 16 | cin >> n >> x; | ^~~ a.cc:18:9: error: 'cout' was not declared in this scope 18 | cout << l+n; | ^~~~ a.cc: In function 'int mod_gcd(int, int, int&)': a.cc:11:18: warning: control reaches end of non-void function [-Wreturn-type] 11 | l=l+b*(a/b+1); | ~^~~~~~~~~~~~
s425734590
p04048
Java
public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int N = sc.nextInt(); int X = sc.nextInt(); int ans = X + (N - X); if(N % 2 == 0) { ans += (X - (N / 2) + 1) * 3; } else { ans += ((N - 3) / 2) * 4 + 3; } System.out.println(ans); } }
Main.java:4: error: cannot find symbol Scanner sc = new Scanner(System.in); ^ symbol: class Scanner location: class Main Main.java:4: error: cannot find symbol Scanner sc = new Scanner(System.in); ^ symbol: class Scanner location: class Main 2 errors
s025543942
p04048
C++
#define REP(i,n) for (int i=0;i<(n);i++) #define ll long long using namespace std; int dx[] ={0,1,0,-1}; int dy[]= {1,0,-1,0}; int c=0; long long solve(long long N,long long X){ if(c==1){ c++; if(2*N%X==0){ return X*(2*N/X); } int ans = X*(2*N/X); return ans + solve(X,N%X); }else if(c%2==0){ c++; if(N%X==0){ return (N/X)*2*X-X; } int an = (N/X)*2*X; return an+solve(X,N%X); }else if(c%2==1){ c++; if(2*N%X==0){ return X*(2*N/X)-X; } int ans = X*(2*N/X); return ans + solve(X,N%X); } } int main(){ long long N,X; cin>>N>>X; long long ans=X; c++; ans = ans + solve(X,N-X); c++; cout<<ans<<endl; }
a.cc: In function 'int main()': a.cc:39:3: error: 'cin' was not declared in this scope 39 | cin>>N>>X; | ^~~ a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' +++ |+#include <iostream> 1 | a.cc:44:3: error: 'cout' was not declared in this scope 44 | cout<<ans<<endl; | ^~~~ a.cc:44:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' a.cc:44:14: error: 'endl' was not declared in this scope 44 | cout<<ans<<endl; | ^~~~ a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>' +++ |+#include <ostream> 1 | a.cc: In function 'long long int solve(long long int, long long int)': a.cc:35:1: warning: control reaches end of non-void function [-Wreturn-type] 35 | } | ^
s845671833
p04048
C++
int dx[] ={0,1,0,-1}; int dy[]= {1,0,-1,0}; int c=0; long long solve(long long N,long long X){ if(c==1){ c++; if(2*N%X==0){ return X*(2*N/X); } int ans = X*(2*N/X); return ans + solve(X,N%X); }else if(c%2==0){ c++; if(N%X==0){ return (N/X)*2*X-X; } int an = (N/X)*2*X; return an+solve(X,N%X); }else if(c%2==1){ c++; if(2*N%X==0){ return X*(2*N/X)-X; } int ans = X*(2*N/X); return ans + solve(X,N%X); } } int main(){ long long N,X; cin>>N>>X; long long ans=X; c++; ans = ans + solve(X,N-X); c++; cout<<ans<<endl; }
a.cc: In function 'int main()': a.cc:34:3: error: 'cin' was not declared in this scope 34 | cin>>N>>X; | ^~~ a.cc:39:3: error: 'cout' was not declared in this scope 39 | cout<<ans<<endl; | ^~~~ a.cc:39:14: error: 'endl' was not declared in this scope 39 | cout<<ans<<endl; | ^~~~ a.cc: In function 'long long int solve(long long int, long long int)': a.cc:30:1: warning: control reaches end of non-void function [-Wreturn-type] 30 | } | ^
s658873592
p04048
C++
#include <iostream> using namespace std; int main() { int n,x,length; int a[2]; cin>>n>>x; a[0]=n-x; a[1]=x; length=x; while(a[0]!=a[1]){ if(a[0]>a[1]){ length=length+((a[0]-1)/a[1])*a1; a[0]=(a[0]-1)%a[1]+1; } if(a[0]<a[1]){ a[1]=(a[1]-1)%a[0]+1; } } cout<<length*3; }
a.cc: In function 'int main()': a.cc:13:47: error: 'a1' was not declared in this scope; did you mean 'a'? 13 | length=length+((a[0]-1)/a[1])*a1; | ^~ | a
s702459655
p04048
C++
#include<string.h> #include<iostream> #include<string> #include<algorithm> #include<cstdio> #include<math.h> using namespace std; int main() { unsigned long long n, x; cin >> n >> x; if (n / 2 < x) { cout << 6 * x; } else { cout << 3 * x; } return 0;
a.cc: In function 'int main()': a.cc:17:18: error: expected '}' at end of input 17 | return 0; | ^ a.cc:8:12: note: to match this '{' 8 | int main() { | ^
s119140318
p04048
C++
// scanf 等でエラーを出さないように追加 #define _CRT_SECURE_NO_WARNINGS 1 #include <stdio.h> #include <stdlib.h> #include <stdarg.h> #include <string.h> #include <math.h> #include <limits.h> #include <iostream> #include <string> #include <vector> #include <memory> #include <algorithm> #include <numeric> #include <set> #include <functional> using namespace std; typedef long long ll; int main() { ll N, X; scanf("%lld %lld\n", &N, &X); ll result = 0; // 明らかな場合を分けておく if (N % 2 == 0) { if (X == N / 2) { printf("%lld\n", X*3); return; } else if (X % 2 == 0) { // 3手目まで result += (X + (N - X) + X); int left = N - 2 * X; result += left * 2; printf("%lld", result); return; } } // 3手目まで result += (X + (N - X) + X); // 4手目 result += X; // ... return 0; }
a.cc: In function 'int main()': a.cc:39:25: error: return-statement with no value, in function returning 'int' [-fpermissive] 39 | return; | ^~~~~~ a.cc:48:25: error: return-statement with no value, in function returning 'int' [-fpermissive] 48 | return; | ^~~~~~
s905614504
p04048
Java
import java.util.Arrays; import java.util.Scanner; public class MainB { MyScanner sc = new MyScanner(); Scanner sc2 = new Scanner(System.in); long start = System.currentTimeMillis(); long fin = System.currentTimeMillis(); final int MOD = 1000000007; int[] dx = { 1, 0, 0, -1 }; int[] dy = { 0, 1, -1, 0 }; void run() { long N = sc.nextLong(); long X = sc.nextLong(); long ans = 0; if (N % 2 == 0 && N / 2 == X) { ans += X * 3; } else if (N / 2.0 > X) { ans += N; if ((N - X) % X == 0) { ans += ((N - X) / X) * X * 2 - X; } else { ans += ((N - X) / X) * X * 2; ans += (N - X) % X * 3; } } else { ans += X; if (X % (N - X) == 0) { ans += (X / (N - X)) * (N - X) * 2; } else { ans += (N / (N - X)) * (N - X) * 2 - (N - X); ans += (N %(N - X)) * 3; } } System.out.println(ans); } public static void main(String[] args) { new MainB().run(); } void debug(Object... o) { System.out.println(Arrays.deepToString(o)); } void debug2(char[][] array) { for (int i = 0; i < array.length; i++) { for (int j = 0; j < array[i].length; j++) { System.out.print(array[i][j]); } System.out.println(); } } boolean inner(int h, int w, int limH, int limW) { return 0 <= h && h < limH && 0 <= w && w < limW; } void swap(int[] x, int a, int b) { int tmp = x[a]; x[a] = x[b]; x[b] = tmp; } // find minimum i (k <= a[i]) int lower_bound(int a[], int k) { int l = -1; int r = a.length; while (r - l > 1) { int mid = (l + r) / 2; if (k <= a[mid]) r = mid; else l = mid; } // r = l + 1 return r; } // find minimum i (k < a[i]) int upper_bound(int a[], int k) { int l = -1; int r = a.length; while (r - l > 1) { int mid = (l + r) / 2; if (k < a[mid]) r = mid; else l = mid; } // r = l + 1 return r; } long gcd(long a, long b) { return a % b == 0 ? b : gcd(b, a % b); } long lcm(long a, long b) { return a * b / gcd(a, b); } boolean palindrome(String s) { for (int i = 0; i < s.length() / 2; i++) { if (s.charAt(i) != s.charAt(s.length() - 1 - i)) { return false; } } return true; } class MyScanner { int nextInt() { try { int c = System.in.read(); while (c != '-' && (c < '0' || '9' < c)) c = System.in.read(); if (c == '-') return -nextInt(); int res = 0; do { res *= 10; res += c - '0'; c = System.in.read(); } while ('0' <= c && c <= '9'); return res; } catch (Exception e) { return -1; } } double nextDouble() { return Double.parseDouble(next()); } long nextLong() { return Long.parseLong(next()); } String next() { try { StringBuilder res = new StringBuilder(""); int c = System.in.read(); while (Character.isWhitespace(c)) c = System.in.read(); do { res.append((char) c); } while (!Character.isWhitespace(c = System.in.read())); return res.toString(); } catch (Exception e) { return null; } } int[] nextIntArray(int n) { int[] in = new int[n]; for (int i = 0; i < n; i++) { in[i] = nextInt(); } return in; } int[][] nextInt2dArray(int n, int m) { int[][] in = new int[n][m]; for (int i = 0; i < n; i++) { in[i] = nextIntArray(m); } return in; } double[] nextDoubleArray(int n) { double[] in = new double[n]; for (int i = 0; i < n; i++) { in[i] = nextDouble(); } return in; } long[] nextLongArray(int n) { long[] in = new long[n]; for (int i = 0; i < n; i++) { in[i] = nextLong(); } return in; } char[][] nextCharField(int n, int m) { char[][] in = new char[n][m]; for (int i = 0; i < n; i++) { String s = sc.next(); for (int j = 0; j < m; j++) { in[i][j] = s.charAt(j); } } return in; } } }
Main.java:4: error: class MainB is public, should be declared in a file named MainB.java public class MainB { ^ 1 error
s120202974
p04048
C++
#include <bits/stdc++.h> using namespace std; long long n, x, ans, prev, cur; int main() { ios_base::sync_with_stdio(0); cin.tie(NULL); cin >> n >> x; x = min(x, n - x); ans += x; ans += n - x; prev = n - x; cur = x; while(cur > 0) { ans += 2 * (prev / cur) * cur; prev %= cur; swap(prev, cur); } cout << ans - prev << '\n'; return 0; }
a.cc: In function 'int main()': a.cc:18:9: error: reference to 'prev' is ambiguous 18 | prev = n - x; | ^~~~ In file included from /usr/include/c++/14/bits/stl_algobase.h:66, from /usr/include/c++/14/algorithm:60, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51, from a.cc:1: /usr/include/c++/14/bits/stl_iterator_base_funcs.h:244:5: note: candidates are: 'template<class _BidirectionalIterator> constexpr _BidirectionalIterator std::prev(_BidirectionalIterator, typename iterator_traits<_Iter>::difference_type)' 244 | prev(_BidirectionalIterator __x, typename | ^~~~ a.cc:4:22: note: 'long long int prev' 4 | long long n, x, ans, prev, cur; | ^~~~ a.cc:22:29: error: reference to 'prev' is ambiguous 22 | ans += 2 * (prev / cur) * cur; | ^~~~ /usr/include/c++/14/bits/stl_iterator_base_funcs.h:244:5: note: candidates are: 'template<class _BidirectionalIterator> constexpr _BidirectionalIterator std::prev(_BidirectionalIterator, typename iterator_traits<_Iter>::difference_type)' 244 | prev(_BidirectionalIterator __x, typename | ^~~~ a.cc:4:22: note: 'long long int prev' 4 | long long n, x, ans, prev, cur; | ^~~~ a.cc:23:17: error: reference to 'prev' is ambiguous 23 | prev %= cur; | ^~~~ /usr/include/c++/14/bits/stl_iterator_base_funcs.h:244:5: note: candidates are: 'template<class _BidirectionalIterator> constexpr _BidirectionalIterator std::prev(_BidirectionalIterator, typename iterator_traits<_Iter>::difference_type)' 244 | prev(_BidirectionalIterator __x, typename | ^~~~ a.cc:4:22: note: 'long long int prev' 4 | long long n, x, ans, prev, cur; | ^~~~ a.cc:24:22: error: reference to 'prev' is ambiguous 24 | swap(prev, cur); | ^~~~ /usr/include/c++/14/bits/stl_iterator_base_funcs.h:244:5: note: candidates are: 'template<class _BidirectionalIterator> constexpr _BidirectionalIterator std::prev(_BidirectionalIterator, typename iterator_traits<_Iter>::difference_type)' 244 | prev(_BidirectionalIterator __x, typename | ^~~~ a.cc:4:22: note: 'long long int prev' 4 | long long n, x, ans, prev, cur; | ^~~~ a.cc:27:23: error: reference to 'prev' is ambiguous 27 | cout << ans - prev << '\n'; | ^~~~ /usr/include/c++/14/bits/stl_iterator_base_funcs.h:244:5: note: candidates are: 'template<class _BidirectionalIterator> constexpr _BidirectionalIterator std::prev(_BidirectionalIterator, typename iterator_traits<_Iter>::difference_type)' 244 | prev(_BidirectionalIterator __x, typename | ^~~~ a.cc:4:22: note: 'long long int prev' 4 | long long n, x, ans, prev, cur; | ^~~~
s979054351
p04048
C++
#include <cassert> #include <cctype> #include <climits> #include <cmath> #include <cstdio> #include <ctime> #include <map> #include <queue> #include <set> #include <stack> #include <vector> #include <iostream> #include <algorithm> #include <functional> #include <numeric> #include <string> using namespace std; #define FOR(i,a,b) for (int i=(a);i<(b);i++) #define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--) #define REP(i,n) for (int i=0;i<(n);i++) #define RREP(i,n) for (int i=(n)-1;i>=0;i--) #define pb push_back #define mp make_pair #define all(a) (a).begin(),(a).end() #define debug(x) cout<<#x<<": "<<x<<endl #define MOD 1000000007 #define MAX_N 2000 typedef long long ll; typedef unsigned long long ull; int main(void) { int N, K; cin >> N >> K; vector<int> g[MAX_N]; REP(i, N) { int A, B; cin >> A >> B; A--; B--; g[A].pb(B); g[B].pb(A); } int ret = MAX_N; REP(k, N) { if (true) { int d[MAX_N]; fill(d, d + N, MAX_N); queue<int> q; q.pb(k); d[k] = 0; while (!q.empty()) { int x = q.front(); q.pop(); if (d[x] == K) { continue; } for (int i = 0; g[x].size(); i++) { int to = g[x][i]; if (d[to] > d[x] + 1) { d[to] = d[x] + 1; q.pb(to); } } } for (int i = 0; g[k].size(); i++) { int to = g[k][i]; } } return 0; }
a.cc: In function 'int main()': a.cc:24:12: error: 'class std::queue<int>' has no member named 'push_back' 24 | #define pb push_back | ^~~~~~~~~ a.cc:54:15: note: in expansion of macro 'pb' 54 | q.pb(k); | ^~ a.cc:24:12: error: 'class std::queue<int>' has no member named 'push_back' 24 | #define pb push_back | ^~~~~~~~~ a.cc:66:27: note: in expansion of macro 'pb' 66 | q.pb(to); | ^~ a.cc:76:2: error: expected '}' at end of input 76 | } | ^ a.cc:36:1: note: to match this '{' 36 | { | ^
s831148812
p04048
C++
#include<iostream> #include<string> #include<iomanip> #include<vector> #include<algorithm> #include<utility> using namespace std; void swarp(long long *a,long long *b){ long long c; c = *a; *a = *b; *b = c; } long long solve(long long l,long long s){ if (l == (l/s)*s) return 2*(l-s); else return ((l/s) * 2-1)*s + l % s + solve(s,l%s); } int main(){ long long n,x,sum=0; cin >> n >> x; sum += n+2*x; if (n==2*x) { cout << x*3 << endl; return 0; } else if (n>2*x && (n-2*x>=x) && n%x == 0){ sum += 2*n-5*x; cout << sum << endl; return 0; } else if (n>2*x &&(x>n-2*x) x % (n-2*x)==0){ sum += 2*x-(n-2*x); cout << sum << endl; return 0; } else if (n>2*x) { long long l=n-2*x; if(x>l) swarp(&l,&x); sum += 2*(n-2*x); sum += solve(x,(n-2*x)%x); cout << sum << endl; return 0; } else { sum += solve(n,n-x); cout << sum << endl; return 0; } }
a.cc: In function 'int main()': a.cc:33:31: error: expected ')' before 'x' 33 | } else if (n>2*x &&(x>n-2*x) x % (n-2*x)==0){ | ~ ^~ | )
s184260761
p04048
C++
#include <iostream> #include <string> #include <vector> #include <algorithm> using namespace std; int main(){ long long n,x,a,res; cin >> n >> x; a = max(n-x,x) if(n%x == 0)cout << a*3 <<endl; else cout << a*4 <<endl; return 0; }
a.cc: In function 'int main()': a.cc:10:23: error: expected ';' before 'if' 10 | a = max(n-x,x) | ^ | ; 11 | if(n%x == 0)cout << a*3 <<endl; | ~~ a.cc:12:9: error: 'else' without a previous 'if' 12 | else cout << a*4 <<endl; | ^~~~
s163807260
p04048
C
#include<stdio.h> long long gcd(long long a,long long b){ while(b ^= a ^= b ^= a%=b); return a; } long long main(){ long long n,x; long long i,j,g; scanf("%lld%lld",&n,&x); g = gcd(n,x); n /= g; x /= g; prlong longf("%lld\n",(n-1)*3*g); return 0; }
main.c: In function 'main': main.c:18:9: error: unknown type name 'prlong'; did you mean 'long'? 18 | prlong longf("%lld\n",(n-1)*3*g); | ^~~~~~ | long main.c:18:22: error: expected declaration specifiers or '...' before string constant 18 | prlong longf("%lld\n",(n-1)*3*g); | ^~~~~~~~ main.c:18:31: error: expected declaration specifiers or '...' before '(' token 18 | prlong longf("%lld\n",(n-1)*3*g); | ^
s938619845
p04048
C++
#include <iostream> #include <string> #include <map> #include <vector> #include <set> #include <fstream> #include <stdint.h> #include <cmath> #include <algorithm> #include <utility> #include <numeric> using namespace std; #define REP(i, n) for(int i = 0; i < n; i++) #define RREP(i,n) for(int i = (n)-1; i >= 0; i--) #define FOR(i, l, r) for(int i = l; i < r; i++) #define RFOR(i, l,r) for(int i= (l)-1; i>= (r) ; i--) constexpr int evx[4] = { 1, 0, -1, 0 }; constexpr int evy[4] = { 0, 1, 0, -1 }; constexpr int INF = 1000000000;/* 1e+9a */ constexpr int MODULO = 1000000007; int main() { ios::sync_with_stdio(false); uint64_t n, x; cin >> n >> x; cout << 6 * x << '\n'; else if( 2 * x == n) cout << 3 * n / 2 << '\n'; else cout << 3 * x << '\n'; }
a.cc: In function 'int main()': a.cc:31:5: error: 'else' without a previous 'if' 31 | else if( 2 * x == n) | ^~~~
s740009807
p04048
Java
import java.util.Scanner; public class main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); long n = sc.nextLong(); long x = sc.nextLong(); System.out.println(x*3 + (n-x-1)*3); } }
Main.java:3: error: class main is public, should be declared in a file named main.java public class main { ^ 1 error
s167833323
p04048
C++
#include<iostream> #include<vector> #include<algorithm> #define REP(i,n) for(int i=0; i<n; ++i) using namespace std; typedef long long int ll; int main(){ ll n, x; cin >> n >> x; x = min(x, n-x); if(n%x){ cout << 3*(n-1) << endl; } else { cout << 3*(n/x-1)*x << endl; } return 0; } [yuri] 16-07-16 21:37:43> ~/agc
a.cc:17:1: error: expected unqualified-id before '[' token 17 | [yuri] 16-07-16 21:37:43> ~/agc | ^
s417025699
p04048
C++
#include<vector> #include<algorithm> int main() { std::size_t N,X; std::cin >> N >> X; auto res{0}; if (2 * X < N) { res = X * 6; } else { res = X * 3; } std::cout << res<<"\n"; return 0; }
a.cc: In function 'int main()': a.cc:6:14: error: 'cin' is not a member of 'std' 6 | std::cin >> N >> X; | ^~~ a.cc:3:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>' 2 | #include<algorithm> +++ |+#include <iostream> 3 | a.cc:14:14: error: 'cout' is not a member of 'std' 14 | std::cout << res<<"\n"; | ^~~~ a.cc:14:14: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
s094535807
p04048
C++
#include<cstdio> #define ll long long using namespace std; int main() { ll n,x; while(~scanf("%I64d%I64d",&n,&x)) { if(x*2==n)printf("%I64d\n",3*(n/2)); else printf("%I64d\n",3*(n-1)); }
a.cc: In function 'int main()': a.cc:11:2: error: expected '}' at end of input 11 | } | ^ a.cc:5:1: note: to match this '{' 5 | { | ^
s654128501
p04048
C++
#include <iostream> #include <iomanip> #include <stdio.h> #include <set> #include <vector> #include <map> #include <cmath> #include <algorithm> #include <memory.h> #include <string> #include <sstream> #include <cstdlib> #include <ctime> #include <cassert> using namespace std; typedef long long LL; typedef pair<int,int> PII; #define MP make_pair #define PB push_back #define FF first #define SS second #define FORN(i, n) for (int i = 0; i < (int)(n); i++) #define FOR1(i, n) for (int i = 1; i <= (int)(n); i++) #define FORD(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define DEBUG(X) { cout << #X << " = " << (X) << endl; } #define PR0(A,n) { cout << #A << " = "; FORN(_,n) cout << A[_] << ' '; cout << endl; } #define MOD 1000000007 #define INF 2000000000 int GLL(LL& x) { return scanf("%lld", &x); } int GI(int& x) { return scanf("%d", &x); } int n, x; int main() { GLL(n); GLL(x); LL res = n; LL a = x; LL b = n-x; if (a > b) swap(a, b); while (a > 0) { LL q = b / a; LL r = b % a; if (r > 0) { res += 2 * q * a; } else { res += (2 * q - 1) * a; } b = a; a = r; } cout << res << "\n"; return 0; }
a.cc: In function 'int main()': a.cc:47:9: error: cannot bind non-const lvalue reference of type 'LL&' {aka 'long long int&'} to a value of type 'int' 47 | GLL(n); GLL(x); | ^ a.cc:36:13: note: initializing argument 1 of 'int GLL(LL&)' 36 | int GLL(LL& x) { | ~~~~^ a.cc:47:17: error: cannot bind non-const lvalue reference of type 'LL&' {aka 'long long int&'} to a value of type 'int' 47 | GLL(n); GLL(x); | ^ a.cc:36:13: note: initializing argument 1 of 'int GLL(LL&)' 36 | int GLL(LL& x) { | ~~~~^
s197658919
p04048
Java
// package atcoder.agc.agc001; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; /** * Created by hama_du on 2016/07/16. */ public class B { public static void main(String[] args) { InputReader in = new InputReader(System.in); PrintWriter out = new PrintWriter(System.out); long n = in.nextLong(); long x = in.nextLong(); long ans = n + dfs(n-x, x); out.println(ans); out.flush(); } private static long dfs(long n, long x) { long min = Math.min(n, x); long max = Math.max(n, x); long cur = max / min; long ret = 0; if (max % min == 0) { ret = min * (cur * 2 - 1); } else { ret += dfs(min, max % min) + min * cur * 2; } return ret; } static class InputReader { private InputStream stream; private byte[] buf = new byte[1024]; private int curChar; private int numChars; public InputReader(InputStream stream) { this.stream = stream; } private int next() { if (numChars == -1) throw new InputMismatchException(); if (curChar >= numChars) { curChar = 0; try { numChars = stream.read(buf); } catch (IOException e) { throw new InputMismatchException(); } if (numChars <= 0) return -1; } return buf[curChar++]; } public char nextChar() { int c = next(); while (isSpaceChar(c)) c = next(); if ('a' <= c && c <= 'z') { return (char) c; } if ('A' <= c && c <= 'Z') { return (char) c; } throw new InputMismatchException(); } public String nextToken() { int c = next(); while (isSpaceChar(c)) c = next(); StringBuilder res = new StringBuilder(); do { res.append((char) c); c = next(); } while (!isSpaceChar(c)); return res.toString(); } public int nextInt() { int c = next(); while (isSpaceChar(c)) c = next(); int sgn = 1; if (c == '-') { sgn = -1; c = next(); } int res = 0; do { if (c < '0' || c > '9') throw new InputMismatchException(); res *= 10; res += c-'0'; c = next(); } while (!isSpaceChar(c)); return res*sgn; } public long nextLong() { int c = next(); while (isSpaceChar(c)) c = next(); long sgn = 1; if (c == '-') { sgn = -1; c = next(); } long res = 0; do { if (c < '0' || c > '9') throw new InputMismatchException(); res *= 10; res += c-'0'; c = next(); } while (!isSpaceChar(c)); return res*sgn; } public boolean isSpaceChar(int c) { return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1; } public interface SpaceCharFilter { public boolean isSpaceChar(int ch); } } static void debug(Object... o) { System.err.println(Arrays.deepToString(o)); } }
Main.java:12: error: class B is public, should be declared in a file named B.java public class B { ^ 1 error
s234946588
p04049
C++
â
a.cc:1:1: error: '\U000000e2' does not name a type 1 | â | ^
s020205521
p04049
C++
a
a.cc:1:1: error: 'a' does not name a type 1 | a | ^
s991694756
p04049
C++
// It works until it doesn't #ifndef NOBITS #include <bits/stdc++.h> #endif using namespace std; // pre #include "debug/deb.cpp" #include "io/ion.cpp" // ctvl, ctvl2, read, write, writeln, ~, div_ceil, div_floor, min_heap, max_heap, d+=d, +-d, --d--, lbi, ubi, // vecnd, vec1, vec2, vec3, log2_floor, log2_ceil #include "misc/util.cpp" // all, rall, forn, ford, for1, forr, trav, eb, pub, pob, fi, se, endl, mp, mt, if0, timit, Fn, pct, ctz, clz, binrep #include "misc/macros.cpp" mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); template <typename T> using vv = vector<vector<T>>; // #define int long long const int N = 200'010; auto dfs_tree(int root, const vector<vector<int>>& g) { stack<int> h; h.push(root); int n = g.size(); vector<int> dist(n), pi(n, -1); while(!h.empty()) { int u = h.top(); h.pop(); for(auto v : g[u]) { if(pi[u] != v) { pi[v] = u; h.push(v); assert(dist[v] == 0); dist[v] = dist[u] + 1; } } } return make_tuple(dist, pi); } auto soln() { auto [n, k] = scan<int, int>(); vpii edge(n - 1); vvi g(n + 1); forn(i, n - 1) { auto [u, v] = scan<int, int>(); edge[i] = make_pair(u, v); g[u].pub(v); g[v].pub(u); } int res = N; if (k % 2) { for (auto &[u, v] : edge) { int count = 0; auto [distu, _1] = dfs_tree(u, g); auto [distv, _2] = dfs_tree(v, g); for (int i = 1; i <= n; ++i) { ckmin(distu[i], distv[i]); count += (distu[i] > k / 2); } ckmin(res, count); } } else { for (int i = 1; i <= n; ++i) { int count = 0; auto [dist, _3] = dfs_tree(i, g); echo(i, dist); for (int j = 1; j <= n; ++j) { count += (dist[j] > k / 2); } ckmin(res, count); } } cout << res << endl; } signed main() { int t = 1; #ifndef LOCAL ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL); #endif // t = scan<int>(); while (t--) soln(); return 0; }
a.cc:7:10: fatal error: debug/deb.cpp: No such file or directory 7 | #include "debug/deb.cpp" | ^~~~~~~~~~~~~~~ compilation terminated.
s240175954
p04049
C++
#include <iostream> #include <iomanip> #include <algorithm> #include <string> #include <vector> #include <map> #include <set> #include <queue> #include <cstdio> #include <cstring> using namespace std; int n, k; vector<int> g[4000]; int cnt(int cur, int prev) { // cout << cur << ", " << prev << endl; int ret = 1; for (auto &n: g[cur]) { if (n == prev) continue; ret += cnt(n, cur); } return ret; } int solve(int cur, int prev, int dep) { // cout << cur << ", " << prev << ", " << dep << endl; if (dep <= 0) { return cnt(cur, prev); } int ans = 0; for (int i = 0; i < g[cur].size(); i++) { if (g[cur][i] == prev) continue; ans += solve(g[cur][i], cur, dep - 1); } return ans; } int main() { cin >> n >> k; g.resize(n); for (int i = 0; i < n-1; i++) { int a, b; cin >> a >> b; a--, b--; g[a].push_back(b); g[b].push_back(a); } int ans = n + 1; for (int center = 0; center < n; center++) { for (auto lng: g[center]) { int tmp = 0; for (auto root: g[center]) { tmp += solve(root, center, k / 2 + ((k % 2 == 1 && lng == root) ? 1 : 0)); } // cout << center + 1 << " -> " << lng + 1 << ": " << tmp << endl; ans = min(ans, tmp); } } cout << ans << endl; return 0; }
a.cc: In function 'int main()': a.cc:49:7: error: request for member 'resize' in 'g', which is of non-class type 'std::vector<int> [4000]' 49 | g.resize(n); | ^~~~~~
s269681628
p04049
C++
#include <map> #include <set> #include <cmath> #include <ctime> #include <cstdio> #include <vector> #include <cstring> #include <cstdlib> #include <algorithm> #include <iostream> using namespace std; #define mp make_pair #define pb push_back #define x first #define y second typedef long long ll; typedef vector<int> vi; typedef pair<int,int> pii; typedef vector<pii> vpii; int dp[4000][4000],g[4000],head[4000]; int n,k,ans; bool visited[4000]; vector<int> graph[4000]; void dfs(int x) { dp[x][0]=1; for (int j=1;j<=k+1;j++) { dp[x][j]=0; } visited[x]=1; for(int second : graph[x]) { if(!visited[second]) { dfs(second); g[0]=dp[x][0]; for (int j=1;j<=k+1;j++) { g[j]=min(g[j-1],dp[x][j]); } for (int j=1;j<=k+1;j++) { dp[x][j]=n; } for (int j=1;j<=min(k+1,dp[x][0]);j++) { for (int w=0;w<=min(k,dp[second][0]);w++) { if (j-1+w<=k) { dp[x][max(j,w+1)]=min(dp[x][max(j,w+1)],g[j]+dp[second][w]); } } } dp[x][0]+=dp[second][0]; } } for (int j=1;j<=k+1;j++) { dp[x][j]=min(dp[x][j],dp[x][j-1]); } ans=min(ans,n-dp[x][0]+dp[x][k+1]); } int main() { scanf("%d%d",&n,&k); for (int i=1;i<n;i++) { int x,y; scanf("%d%d",&x,&y); //push(2*i-1,x,y);push(2*i,y,x); graph[x].push_back(y); graph[y].push_back(x); } memset(v,0,sizeof(v)); ans=n; dfs(1); printf("%d\n",ans); return 0; }
a.cc: In function 'int main()': a.cc:77:16: error: 'v' was not declared in this scope; did you mean 'vi'? 77 | memset(v,0,sizeof(v)); | ^ | vi
s566587615
p04049
Java
import java.util.*; import java.io.*; import java.text.*; class AtCoder_AGC01_C{ //SOLUTION BEGIN //Into the Hardware Mode void pre() throws Exception{} void solve(int TC) throws Exception{ int N = ni(), K = ni(); int[] from = new int[N-1], to = new int[N-1]; for(int i = 0; i< N-1; i++){ from[i] = ni()-1; to[i] = ni()-1; } int[][] g = make(N, N-1, from, to, true); int[][] DP = new int[N][]; dfs(DP, g, new int[N], 0,-1, K); int ans = 0; for(int x:DP[0])ans = Math.max(ans, x); pn(N-ans); } void dfs(int[][] DP, int[][] g, int[] dep, int u, int p, int K){ for(int v:g[u])if(v != p){ dfs(DP, g, dep, v, u, K); dep[u] = Math.max(dep[u], 1+dep[v]); } int[] dp = new int[1]; dp[0] = 1; int maxD = 0; for(int v:g[u]){ if(v == p)continue; maxD = Math.max(maxD, 1+dep[v]); int[] ndp = new int[1+maxD]; for(int d1 = 0; d1 < dp.length; d1++){ for(int d2 = 0; d2 < DP[v].length && d1+d2 <= K; d2++){ ndp[Math.max(d1, 1+d2)] += DP[v][d2]; } } dp = ndp; } DP[u] = dp; } //SOLUTION END void hold(boolean b)throws Exception{if(!b)throw new Exception("Hold right there, Sparky!");} void exit(boolean b){if(!b)System.exit(0);} static void dbg(Object... o){System.err.println(Arrays.deepToString(o));} final long IINF = (long)1e17; final int INF = (int)1e9+2; DecimalFormat df = new DecimalFormat("0.00000000000"); double PI = 3.141592653589793238462643383279502884197169399, eps = 1e-8; static boolean multipleTC = false, memory = true, fileIO = false; FastReader in;PrintWriter out; void run() throws Exception{ long ct = System.currentTimeMillis(); if (fileIO) { in = new FastReader(""); out = new PrintWriter(""); } else { in = new FastReader(); out = new PrintWriter(System.out); } //Solution Credits: Taranpreet Singh int T = multipleTC? ni():1; pre(); for (int t = 1; t <= T; t++) solve(t); out.flush(); out.close(); System.err.println(System.currentTimeMillis() - ct); } public static void main(String[] args) throws Exception{ if(memory)new Thread(null, new Runnable() {public void run(){try{new Main().run();}catch(Exception e){e.printStackTrace();}}}, "1", 1 << 28).start(); else new Main().run(); } int[][] make(int n, int e, int[] from, int[] to, boolean f){ int[][] g = new int[n][];int[]cnt = new int[n]; for(int i = 0; i< e; i++){ cnt[from[i]]++; if(f)cnt[to[i]]++; } for(int i = 0; i< n; i++)g[i] = new int[cnt[i]]; for(int i = 0; i< e; i++){ g[from[i]][--cnt[from[i]]] = to[i]; if(f)g[to[i]][--cnt[to[i]]] = from[i]; } return g; } int[][][] makeS(int n, int e, int[] from, int[] to, boolean f){ int[][][] g = new int[n][][];int[]cnt = new int[n]; for(int i = 0; i< e; i++){ cnt[from[i]]++; if(f)cnt[to[i]]++; } for(int i = 0; i< n; i++)g[i] = new int[cnt[i]][]; for(int i = 0; i< e; i++){ g[from[i]][--cnt[from[i]]] = new int[]{to[i], i, 0}; if(f)g[to[i]][--cnt[to[i]]] = new int[]{from[i], i, 1}; } return g; } int find(int[] set, int u){return set[u] = (set[u] == u?u:find(set, set[u]));} int digit(long s){int ans = 0;while(s>0){s/=10;ans++;}return ans;} long gcd(long a, long b){return (b==0)?a:gcd(b,a%b);} int gcd(int a, int b){return (b==0)?a:gcd(b,a%b);} int bit(long n){return (n==0)?0:(1+bit(n&(n-1)));} void p(Object... o){for(Object oo:o)out.print(oo+" ");} void pn(Object... o){for(Object oo:o)out.print(oo+" ");out.println();} void pni(Object... o){for(Object oo:o)out.print(oo+" ");out.println();out.flush();} String n()throws Exception{return in.next();} String nln()throws Exception{return in.nextLine();} int ni()throws Exception{return Integer.parseInt(in.next());} long nl()throws Exception{return Long.parseLong(in.next());} double nd()throws Exception{return Double.parseDouble(in.next());} class FastReader{ BufferedReader br; StringTokenizer st; public FastReader(){ br = new BufferedReader(new InputStreamReader(System.in)); } public FastReader(String s) throws Exception{ br = new BufferedReader(new FileReader(s)); } String next() throws Exception{ while (st == null || !st.hasMoreElements()){ try{ st = new StringTokenizer(br.readLine()); }catch (IOException e){ throw new Exception(e.toString()); } } return st.nextToken(); } String nextLine() throws Exception{ String str; try{ str = br.readLine(); }catch (IOException e){ throw new Exception(e.toString()); } return str; } } }
Main.java:5: error: duplicate class: AtCoder_AGC01_C class AtCoder_AGC01_C{ ^ Main.java:73: error: cannot access Main if(memory)new Thread(null, new Runnable() {public void run(){try{new Main().run();}catch(Exception e){e.printStackTrace();}}}, "1", 1 << 28).start(); ^ bad source file: ./Main.java file does not contain class Main Please remove or make sure it appears in the correct subdirectory of the sourcepath. 2 errors
s970590406
p04049
C++
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector<int> vi; typedef pair<int,int> pii; const int inf = 0x3f3f3f3f,oo = inf; #define pi 3.14159265358979323846 #define IL inline #define rep(i,a,b) for(int i=(a);i<(b);++i) #define Rep(i,a,b) for(int i=(a);i<=(b);++i) #define Dep(i,a,b) for(int i=(a);i>=(b);--i) #define pc putchar #define gc getchar IL ll read(){ ll x=0;char f=0;char c=gc(); for(;!isdigit(c);c=gc())f|=(c=='-'); for(;isdigit(c);c=gc())x=(x<<1)+(x<<3)+(c^48); return f?-x:x; } IL void write(ll x){if(x<0)x=-x,pc('-');if(x>=10)write(x/10);pc(x%10+'0');} IL void writeln(ll x){write(x);pc('\n');} IL void wri(ll x){write(x),pc(' ');} #define debug(x) printf(#x" = %d\n",x); #define rd() read() #define rdb() readdb() #define mem(x,v) memset(x,v,sizeof(x)) #define pb push_back #define mp make_pair #define sqr(x) ((x)*(x)) #define lowbit(x) ((x)&(-(x))) #define y1 ____y1 #define hash __hash #define union _union #define ramdom ((double)rand() / RAND_MAX) #define x first #define y second const int maxn = 2005+233; struct Edge{ int to,nxt; Edge(){} Edge(int to,int nxt):to(to),nxt(nxt){} }edge[maxn*2]; int first[maxn],nume; void Addedge(int a,int b){ edge[nume] = Edge(b,first[a]); first[a] = nume++; } int mxdep[maxn],wson[maxn],size[maxn]; int dfn[maxn],dfx[maxn],n,k; int dp_array[maxn]; int *f[maxn]; void init(int u,int fa){ mxdep[u] = 0;wson[u] = 0;size[u] = 1; for(int e=first[u];~e;e=edge[e].nxt){ int v=edge[e].to; if(v == fa) continue; init(v,u); mxdep[u] = max(mxdep[u],mxdep[v] + 1); size[u] += size[v]; if(!wson[u] || mxdep[v] > mxdep[wson[u]]) wson[u] = v; } } void pre(int u,int fa){ dfx[dfn[u] = ++*dfn] = u; f[u] = dp_array + dfn[u]; for(int e=first[u];~e;e=edge[e].nxt){ int v=edge[e].to; if(v==fa) continue; pre(v,u); } } int g[maxn],h[maxn],ans; void dfs(int u,int fa){ if(wson[u]) dfs(wson[u],u); f[u][0] = wson[u] ? size[wson[u]] : 0; //printf("%d %d\n",u,mxdep[u]); int m = min(k,mxdep[u]); for(int e=first[u];~e;e=edge[e].nxt){ int v = edge[e].to; if(v==wson[u] || v==fa) continue; dfs(v,u); int len = min(k,mxdep[v] + 1); g[0] = size[v];Rep(i,1,len) g[i] = f[v][i-1]; Rep(i,0,len) h[i] = f[u][i]; // puts("~~"); // wri(g[0]),writeln(h[0]); Rep(i,0,len) f[u][i] = min(g[i]+h[min(i,k-i)],g[min(i,k-i)] + h[i]); Rep(i,0,len) if(k-i>len && k-i<=m) f[u][k-i] += g[i]; Rep(i,len+1,k-len-1) f[u][i] += g[len]; } // Rep(i,0,m) wri(f[u][i]);puts(""); ans = min(ans,n - size[u] + f[u][min(k,m)]); //从root往上搞一格 } int main(){ mem(first,-1);nume = 0; n = read();k = read();ans = n; rep(i,1,n) { int x = read(),y = read(); Addedge(x,y); Addedge(y,x); } init(1,0); *dfn = 0; pre(1,0); dfs(1,0); writeln(ans); return 0; }
a.cc: In function 'void init(int, int)': a.cc:54:34: error: reference to 'size' is ambiguous 54 | mxdep[u] = 0;wson[u] = 0;size[u] = 1; | ^~~~ In file included from /usr/include/c++/14/string:53, from /usr/include/c++/14/bitset:52, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52, from a.cc:1: /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:49:28: note: 'int size [2238]' 49 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc:60:17: error: reference to 'size' is ambiguous 60 | size[u] += size[v]; | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:49:28: note: 'int size [2238]' 49 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc:60:28: error: reference to 'size' is ambiguous 60 | size[u] += size[v]; | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:49:28: note: 'int size [2238]' 49 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc: In function 'void dfs(int, int)': a.cc:77:29: error: reference to 'size' is ambiguous 77 | f[u][0] = wson[u] ? size[wson[u]] : 0; | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:49:28: note: 'int size [2238]' 49 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc:85:24: error: reference to 'size' is ambiguous 85 | g[0] = size[v];Rep(i,1,len) g[i] = f[v][i-1]; | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:49:28: note: 'int size [2238]' 49 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc:94:27: error: reference to 'size' is ambiguous 94 | ans = min(ans,n - size[u] + f[u][min(k,m)]); | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:49:28: note: 'int size [2238]' 49 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~
s079297074
p04049
C++
#include<bits/stdc++.h> #pragma GCC optimize("Ofast") using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector<int> vi; typedef pair<int,int> pii; const int inf = 0x3f3f3f3f,oo = inf; #define pi 3.14159265358979323846 #define IL inline #define rep(i,a,b) for(int i=(a);i<(b);++i) #define Rep(i,a,b) for(int i=(a);i<=(b);++i) #define Dep(i,a,b) for(int i=(a);i>=(b);--i) #define pc putchar #define gc getchar IL ll read(){ ll x=0;char f=0;char c=gc(); for(;!isdigit(c);c=gc())f|=(c=='-'); for(;isdigit(c);c=gc())x=(x<<1)+(x<<3)+(c^48); return f?-x:x; } IL void write(ll x){if(x<0)x=-x,pc('-');if(x>=10)write(x/10);pc(x%10+'0');} IL void writeln(ll x){write(x);pc('\n');} IL void wri(ll x){write(x),pc(' ');} #define debug(x) printf(#x" = %d\n",x); #define rd() read() #define rdb() readdb() #define mem(x,v) memset(x,v,sizeof(x)) #define pb push_back #define mp make_pair #define sqr(x) ((x)*(x)) #define lowbit(x) ((x)&(-(x))) #define y1 ____y1 #define hash __hash #define union _union #define ramdom ((double)rand() / RAND_MAX) #define x first #define y second const int maxn = 2005+233; struct Edge{ int to,nxt; Edge(){} Edge(int to,int nxt):to(to),nxt(nxt){} }edge[maxn*2]; int first[maxn],nume; void Addedge(int a,int b){ edge[nume] = Edge(b,first[a]); first[a] = nume++; } int mxdep[maxn],wson[maxn],size[maxn]; int dfn[maxn],dfx[maxn],n,k; int dp_array[maxn]; int *f[maxn]; void init(int u,int fa){ mxdep[u] = 0;wson[u] = 0;size[u] = 1; for(int e=first[u];~e;e=edge[e].nxt){ int v=edge[e].to; if(v == fa) continue; init(v,u); mxdep[u] = max(mxdep[u],mxdep[v] + 1); size[u] += size[v]; if(!wson[u] || mxdep[v] > mxdep[wson[u]]) wson[u] = v; } } void pre(int u,int fa){ dfx[dfn[u] = ++*dfn] = u; f[u] = dp_array + dfn[u]; for(int e=first[u];~e;e=edge[e].nxt){ int v=edge[e].to; if(v==fa) continue; pre(v,u); } } int g[maxn],h[maxn],ans; void dfs(int u,int fa){ if(wson[u]) dfs(wson[u],u); f[u][0] = wson[u] ? size[wson[u]] : 0; //printf("%d %d\n",u,mxdep[u]); int m = min(k,mxdep[u]); for(int e=first[u];~e;e=edge[e].nxt){ int v = edge[e].to; if(v==wson[u] || v==fa) continue; dfs(v,u); int len = min(k,mxdep[v] + 1); g[0] = size[v];Rep(i,1,len) g[i] = f[v][i-1]; Rep(i,0,len) h[i] = f[u][i]; // puts("~~"); // wri(g[0]),writeln(h[0]); Rep(i,0,len) f[u][i] = min(g[i]+h[min(i,k-i)],g[min(i,k-i)] + h[i]); Rep(i,0,len) if(k-i>len && k-i<=m) f[u][k-i] += g[i]; Rep(i,len+1,k-len-1) f[u][i] += g[len]; } // Rep(i,0,m) wri(f[u][i]);puts(""); ans = min(ans,n - size[u] + f[u][min(k,m)]); //从root往上搞一格 } int main(){ mem(first,-1);nume = 0; n = read();k = read();ans = n; rep(i,1,n) { int x = read(),y = read(); Addedge(x,y); Addedge(y,x); } init(1,0); *dfn = 0; pre(1,0); dfs(1,0); writeln(ans); return 0; }
a.cc: In function 'void init(int, int)': a.cc:55:34: error: reference to 'size' is ambiguous 55 | mxdep[u] = 0;wson[u] = 0;size[u] = 1; | ^~~~ In file included from /usr/include/c++/14/string:53, from /usr/include/c++/14/bitset:52, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52, from a.cc:1: /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:50:28: note: 'int size [2238]' 50 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc:61:17: error: reference to 'size' is ambiguous 61 | size[u] += size[v]; | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:50:28: note: 'int size [2238]' 50 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc:61:28: error: reference to 'size' is ambiguous 61 | size[u] += size[v]; | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:50:28: note: 'int size [2238]' 50 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc: In function 'void dfs(int, int)': a.cc:78:29: error: reference to 'size' is ambiguous 78 | f[u][0] = wson[u] ? size[wson[u]] : 0; | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:50:28: note: 'int size [2238]' 50 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc:86:24: error: reference to 'size' is ambiguous 86 | g[0] = size[v];Rep(i,1,len) g[i] = f[v][i-1]; | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:50:28: note: 'int size [2238]' 50 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc:95:27: error: reference to 'size' is ambiguous 95 | ans = min(ans,n - size[u] + f[u][min(k,m)]); | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:50:28: note: 'int size [2238]' 50 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~
s324151596
p04049
C++
#include<bits/stdc++.h> #pragma GCC optimize("Ofast") using namespace std; typedef long long ll; typedef unsigned long long ull; typedef vector<int> vi; typedef pair<int,int> pii; const int inf = 0x3f3f3f3f,oo = inf; #define pi 3.14159265358979323846 #define IL inline #define RG register #define rep(i,a,b) for(RG int i=(a);i<(b);++i) #define Rep(i,a,b) for(RG int i=(a);i<=(b);++i) #define Dep(i,a,b) for(RG int i=(a);i>=(b);--i) #define pc putchar #define gc getchar IL ll read(){ RG ll x=0;char f=0;RG char c=gc(); for(;!isdigit(c);c=gc())f|=(c=='-'); for(;isdigit(c);c=gc())x=(x<<1)+(x<<3)+(c^48); return f?-x:x; } IL double readdb(){ RG double x=0,p=0.1;RG char f=0,c=gc(); for(;!isdigit(c);c=gc())f|=(c=='-'); for(;isdigit(c);c=gc())x=x*10+(c^48); if(c=='.')for(c=gc();isdigit(c);c=gc(),p/=10)x=x+(c^48)*p; return f?-x:x; } IL void write(ll x){if(x<0)x=-x,pc('-');if(x>=10)write(x/10);pc(x%10+'0');} IL void writeln(ll x){write(x);pc('\n');} IL void wri(ll x){write(x),pc(' ');} IL void writeln(ll x,char c,ll y){write(x);pc(c);writeln(y);} IL void writeln(ll x,char c,ll y,char d,ll z){write(x);pc(c);write(y);pc(d);writeln(z);} #define debug(x) printf(#x" = %d\n",x); #define rd() read() #define rdb() readdb() #define mem(x,v) memset(x,v,sizeof(x)) #define pb push_back #define mp make_pair #define sqr(x) ((x)*(x)) #define lowbit(x) ((x)&(-(x))) #define fin(x) freopen(#x".in","r",stdin) #define fout(x) freopen(#x".out","w",stdout) #define y1 ____y1 #define hash __hash #define union _union #define ramdom ((double)rand() / RAND_MAX) #define x first #define y second const int maxn = 2e7+233; struct Edge{ int to,nxt; Edge(){} Edge(int to,int nxt):to(to),nxt(nxt){} }edge[maxn*2]; int first[maxn],nume; void Addedge(int a,int b){ edge[nume] = Edge(b,first[a]); first[a] = nume++; } int mxdep[maxn],wson[maxn],size[maxn]; int dfn[maxn],dfx[maxn],n,k; int dp_array[maxn]; int *f[maxn]; void init(int u,int fa){ mxdep[u] = 0;wson[u] = 0;size[u] = 1; for(int e=first[u];~e;e=edge[e].nxt){ int v=edge[e].to; if(v == fa) continue; init(v,u); mxdep[u] = max(mxdep[u],mxdep[v] + 1); size[u] += size[v]; if(!wson[u] || mxdep[v] > mxdep[wson[u]]) wson[u] = v; } } void pre(int u,int fa){ dfx[dfn[u] = ++*dfn] = u; f[u] = dp_array + dfn[u]; for(int e=first[u];~e;e=edge[e].nxt){ int v=edge[e].to; if(v==fa) continue; pre(v,u); } } int g[maxn],h[maxn],ans; void dfs(int u,int fa){ if(wson[u]) dfs(wson[u],u); f[u][0] = wson[u] ? size[wson[u]] : 0; //printf("%d %d\n",u,mxdep[u]); int m = min(k,mxdep[u]); for(int e=first[u];~e;e=edge[e].nxt){ int v = edge[e].to; if(v==wson[u] || v==fa) continue; dfs(v,u); int len = min(k,mxdep[v] + 1); g[0] = size[v];Rep(i,1,len) g[i] = f[v][i-1]; Rep(i,0,len) h[i] = f[u][i]; // puts("~~"); // wri(g[0]),writeln(h[0]); Rep(i,0,len) f[u][i] = min(g[i]+h[min(i,k-i)],g[min(i,k-i)] + h[i]); Rep(i,0,len) if(k-i>len && k-i<=m) f[u][k-i] += g[i]; Rep(i,len+1,k-len-1) f[u][i] += g[len]; } // Rep(i,0,m) wri(f[u][i]);puts(""); ans = min(ans,n - size[u] + f[u][min(k,m)]); //从root往上搞一格 } int main(){ mem(first,-1);nume = 0; n = read();k = read();ans = n; rep(i,1,n) { int x = read(),y = read(); Addedge(x,y); Addedge(y,x); } init(1,0); *dfn = 0; pre(1,0); dfs(1,0); writeln(ans); return 0; }
a.cc: In function 'll read()': a.cc:18:11: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 18 | RG ll x=0;char f=0;RG char c=gc(); | ^ a.cc:18:32: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 18 | RG ll x=0;char f=0;RG char c=gc(); | ^ a.cc: In function 'double readdb()': a.cc:24:15: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 24 | RG double x=0,p=0.1;RG char f=0,c=gc(); | ^ a.cc:24:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 24 | RG double x=0,p=0.1;RG char f=0,c=gc(); | ^ a.cc:24:33: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 24 | RG double x=0,p=0.1;RG char f=0,c=gc(); | ^ a.cc:24:37: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 24 | RG double x=0,p=0.1;RG char f=0,c=gc(); | ^ a.cc: In function 'void init(int, int)': a.cc:67:34: error: reference to 'size' is ambiguous 67 | mxdep[u] = 0;wson[u] = 0;size[u] = 1; | ^~~~ In file included from /usr/include/c++/14/string:53, from /usr/include/c++/14/bitset:52, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52, from a.cc:1: /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:62:28: note: 'int size [20000233]' 62 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc:73:17: error: reference to 'size' is ambiguous 73 | size[u] += size[v]; | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:62:28: note: 'int size [20000233]' 62 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc:73:28: error: reference to 'size' is ambiguous 73 | size[u] += size[v]; | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:62:28: note: 'int size [20000233]' 62 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc: In function 'void dfs(int, int)': a.cc:90:29: error: reference to 'size' is ambiguous 90 | f[u][0] = wson[u] ? size[wson[u]] : 0; | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:62:28: note: 'int size [20000233]' 62 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc:98:24: error: reference to 'size' is ambiguous 98 | g[0] = size[v];Rep(i,1,len) g[i] = f[v][i-1]; | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:62:28: note: 'int size [20000233]' 62 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc:98:36: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 98 | g[0] = size[v];Rep(i,1,len) g[i] = f[v][i-1]; | ^ a.cc:13:31: note: in definition of macro 'Rep' 13 | #define Rep(i,a,b) for(RG int i=(a);i<=(b);++i) | ^ a.cc:99:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 99 | Rep(i,0,len) h[i] = f[u][i]; | ^ a.cc:13:31: note: in definition of macro 'Rep' 13 | #define Rep(i,a,b) for(RG int i=(a);i<=(b);++i) | ^ a.cc:102:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 102 | Rep(i,0,len) f[u][i] = min(g[i]+h[min(i,k-i)],g[min(i,k-i)] + h[i]); | ^ a.cc:13:31: note: in definition of macro 'Rep' 13 | #define Rep(i,a,b) for(RG int i=(a);i<=(b);++i) | ^ a.cc:103:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 103 | Rep(i,0,len) if(k-i>len && k-i<=m) f[u][k-i] += g[i]; | ^ a.cc:13:31: note: in definition of macro 'Rep' 13 | #define Rep(i,a,b) for(RG int i=(a);i<=(b);++i) | ^ a.cc:104:21: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 104 | Rep(i,len+1,k-len-1) f[u][i] += g[len]; | ^ a.cc:13:31: note: in definition of macro 'Rep' 13 | #define Rep(i,a,b) for(RG int i=(a);i<=(b);++i) | ^ a.cc:107:27: error: reference to 'size' is ambiguous 107 | ans = min(ans,n - size[u] + f[u][min(k,m)]); | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:62:28: note: 'int size [20000233]' 62 | int mxdep[maxn],wson[maxn],size[maxn]; | ^~~~ a.cc: In function 'int main()': a.cc:113:13: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 113 | rep(i,1,n) { | ^ a.cc:12:31: note: in definition of macro 'rep' 12 | #define rep(i,a,b) for(RG int i=(a);i<(b);++i) | ^
s254050543
p04049
C++
//BadWaper gg #include<iostream> #include<cstdio> #include<cstring> #include<cmath> #include<algorithm> #include<queue> #include<vector> #include<deque> #include<bitset> #include<map> #include<set> #define inf 1e9 #define eps 1e-6 #define mp make_pair #define N 2020 using namespace std; typedef long long ll; typedef unsigned long long ull; inline ll read() { char ch=getchar(); ll s=0,w=1; while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();} while(ch>='0'&&ch<='9'){s=s*10+ch-'0';ch=getchar();} return s*w; } int f[N][N],minn[N][N]; int size[N]; int n,k; struct edge { int next,to; }e[N<<1]; int head[N],cnt,dist[N],g[N]; inline void add_edge(int from,int to){e[++cnt]=(edge){head[from],to};head[from]=cnt;} void dfs(int now,int father) { size[now]=1;int flag=0; for(register int i=head[now];i;i=e[i].next) { if(e[i].to==father)continue; dfs(e[i].to,now);flag=1; size[now]+=size[e[i].to];dist[now]=max(dist[now],dist[e[i].to]+1); for(register int j=1;j<=k+1;j++)f[now][j]+=f[e[i].to][j]; } for(register int j=0;j<=k+1;j++)g[j]=0; for(register int i=head[now];i;i=e[i].next) { if(e[i].to==father)continue; for(register int j=0;j<=k+1;j++)g[j]+=f[e[i].to][j]; } f[now][0]=size[now]; if(!flag){for(register int i=1;i<=k+1;i++)f[now][i]=0;return ;} for(register int j=1;j<=k+1;j++) { f[now][j]=inf; for(register int i=head[now];i;i=e[i].next) { if(e[i].to==father)continue; // cout<<"???:"<<now<<" "<<e[i].to<<" "<<j<<" "<<min(j-1,k-(j-1))<<" "<<f[e[i].to][j-1]<<" "<<g[min(j-1,k-(j-1))]-f[e[i].to][min(j-1,k-(j-1))]<<endl; if(min(j-1,k-(j-1))<0)continue; f[now][j]=min(f[now][j],f[e[i].to][j-1]+g[min(j-1,k-(j-1))]-f[e[i].to][min(j-1,k-(j-1))]); } } for(register int j=1;j<=k+1;j++)f[now][j]=min(f[now][j],f[now][j-1]); // cout<<"WTF:"<<now<<" "<<dist[now]<<endl; // for(register int j=0;j<=k+1;j++)cout<<f[now][j]<<" ";cout<<endl; } int main() { //freopen(".in","r",stdin); //freopen(".out","w",stdout); n=read(),k=read(); for(register int i=1;i<n;i++) { int x=read(),y=read(); add_edge(x,y);add_edge(y,x); } dfs(1,0); printf("%d\n",f[1][k+1]); return 0; }
a.cc: In function 'void dfs(int, int)': a.cc:39:9: error: reference to 'size' is ambiguous 39 | size[now]=1;int flag=0; | ^~~~ In file included from /usr/include/c++/14/string:53, from /usr/include/c++/14/bits/locale_classes.h:40, from /usr/include/c++/14/bits/ios_base.h:41, from /usr/include/c++/14/ios:44, from /usr/include/c++/14/ostream:40, from /usr/include/c++/14/iostream:41, from a.cc:2: /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:29:5: note: 'int size [2020]' 29 | int size[N]; | ^~~~ a.cc:40:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 40 | for(register int i=head[now];i;i=e[i].next) | ^ a.cc:44:17: error: reference to 'size' is ambiguous 44 | size[now]+=size[e[i].to];dist[now]=max(dist[now],dist[e[i].to]+1); | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:29:5: note: 'int size [2020]' 29 | int size[N]; | ^~~~ a.cc:44:28: error: reference to 'size' is ambiguous 44 | size[now]+=size[e[i].to];dist[now]=max(dist[now],dist[e[i].to]+1); | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:29:5: note: 'int size [2020]' 29 | int size[N]; | ^~~~ a.cc:45:34: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 45 | for(register int j=1;j<=k+1;j++)f[now][j]+=f[e[i].to][j]; | ^ a.cc:47:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 47 | for(register int j=0;j<=k+1;j++)g[j]=0; | ^ a.cc:48:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 48 | for(register int i=head[now];i;i=e[i].next) | ^ a.cc:51:34: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 51 | for(register int j=0;j<=k+1;j++)g[j]+=f[e[i].to][j]; | ^ a.cc:53:19: error: reference to 'size' is ambiguous 53 | f[now][0]=size[now]; | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:29:5: note: 'int size [2020]' 29 | int size[N]; | ^~~~ a.cc:54:36: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 54 | if(!flag){for(register int i=1;i<=k+1;i++)f[now][i]=0;return ;} | ^ a.cc:55:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 55 | for(register int j=1;j<=k+1;j++) | ^ a.cc:58:34: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 58 | for(register int i=head[now];i;i=e[i].next) | ^ a.cc:66:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 66 | for(register int j=1;j<=k+1;j++)f[now][j]=min(f[now][j],f[now][j-1]); | ^ a.cc: In function 'int main()': a.cc:75:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 75 | for(register int i=1;i<n;i++) | ^
s251458719
p04049
C++
//BadWaper gg #include<iostream> #include<cstdio> #include<cstring> #include<cmath> #include<algorithm> #include<queue> #include<vector> #include<deque> #include<bitset> #include<map> #include<set> #define inf 1e9 #define eps 1e-6 #define mp make_pair #define N 2020 using namespace std; typedef long long ll; typedef unsigned long long ull; inline ll read() { char ch=getchar(); ll s=0,w=1; while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();} while(ch>='0'&&ch<='9'){s=s*10+ch-'0';ch=getchar();} return s*w; } int f[N][N],minn[N][N]; int size[N]; int n,k; struct edge { int next,to; }e[N<<1]; int head[N],cnt,dist[N],g[N]; inline void add_edge(int from,int to){e[++cnt]=(edge){head[from],to};head[from]=cnt;} void dfs(int now,int father) { size[now]=1;int flag=0; for(register int i=head[now];i;i=e[i].next) { if(e[i].to==father)continue; dfs(e[i].to,now);flag=1; size[now]+=size[e[i].to];dist[now]=max(dist[now],dist[e[i].to]+1); for(register int j=1;j<=k+1;j++)f[now][j]+=f[e[i].to][j]; } for(register int j=0;j<=k+1;j++)g[j]=0; for(register int i=head[now];i;i=e[i].next) { if(e[i].to==father)continue; for(register int j=0;j<=k+1;j++)g[j]+=f[e[i].to][j]; } f[now][0]=size[now]; if(!flag){for(register int i=1;i<=k+1;i++)f[now][i]=0;return ;} for(register int j=1;j<=k+1;j++) { f[now][j]=inf; for(register int i=head[now];i;i=e[i].next) { if(e[i].to==father)continue; // cout<<"???:"<<now<<" "<<e[i].to<<" "<<j<<" "<<min(j-1,k-(j-1))<<" "<<f[e[i].to][j-1]<<" "<<g[min(j-1,k-(j-1))]-f[e[i].to][min(j-1,k-(j-1))]<<endl; if(min(j-1,k-(j-1))<0)continue; f[now][j]=min(f[now][j],f[e[i].to][j-1]+g[min(j-1,k-(j-1))]-f[e[i].to][min(j-1,k-(j-1))]); } } for(register int j=1;j<=k+1;j++)f[now][j]=min(f[now][j],f[now][j-1]); // cout<<"WTF:"<<now<<" "<<dist[now]<<endl; // for(register int j=0;j<=k+1;j++)cout<<f[now][j]<<" ";cout<<endl; } int main() { //freopen(".in","r",stdin); //freopen(".out","w",stdout); n=read(),k=read(); for(register int i=1;i<n;i++) { int x=read(),y=read(); add_edge(x,y);add_edge(y,x); } dfs(1,0); printf("%d\n",f[1][k+1]); return 0; }
a.cc: In function 'void dfs(int, int)': a.cc:39:9: error: reference to 'size' is ambiguous 39 | size[now]=1;int flag=0; | ^~~~ In file included from /usr/include/c++/14/string:53, from /usr/include/c++/14/bits/locale_classes.h:40, from /usr/include/c++/14/bits/ios_base.h:41, from /usr/include/c++/14/ios:44, from /usr/include/c++/14/ostream:40, from /usr/include/c++/14/iostream:41, from a.cc:2: /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:29:5: note: 'int size [2020]' 29 | int size[N]; | ^~~~ a.cc:40:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 40 | for(register int i=head[now];i;i=e[i].next) | ^ a.cc:44:17: error: reference to 'size' is ambiguous 44 | size[now]+=size[e[i].to];dist[now]=max(dist[now],dist[e[i].to]+1); | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:29:5: note: 'int size [2020]' 29 | int size[N]; | ^~~~ a.cc:44:28: error: reference to 'size' is ambiguous 44 | size[now]+=size[e[i].to];dist[now]=max(dist[now],dist[e[i].to]+1); | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:29:5: note: 'int size [2020]' 29 | int size[N]; | ^~~~ a.cc:45:34: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 45 | for(register int j=1;j<=k+1;j++)f[now][j]+=f[e[i].to][j]; | ^ a.cc:47:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 47 | for(register int j=0;j<=k+1;j++)g[j]=0; | ^ a.cc:48:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 48 | for(register int i=head[now];i;i=e[i].next) | ^ a.cc:51:34: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 51 | for(register int j=0;j<=k+1;j++)g[j]+=f[e[i].to][j]; | ^ a.cc:53:19: error: reference to 'size' is ambiguous 53 | f[now][0]=size[now]; | ^~~~ /usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])' 272 | size(const _Tp (&)[_Nm]) noexcept | ^~~~ /usr/include/c++/14/bits/range_access.h:262:5: note: 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)' 262 | size(const _Container& __cont) noexcept(noexcept(__cont.size())) | ^~~~ a.cc:29:5: note: 'int size [2020]' 29 | int size[N]; | ^~~~ a.cc:54:36: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 54 | if(!flag){for(register int i=1;i<=k+1;i++)f[now][i]=0;return ;} | ^ a.cc:55:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 55 | for(register int j=1;j<=k+1;j++) | ^ a.cc:58:34: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 58 | for(register int i=head[now];i;i=e[i].next) | ^ a.cc:66:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 66 | for(register int j=1;j<=k+1;j++)f[now][j]=min(f[now][j],f[now][j-1]); | ^ a.cc: In function 'int main()': a.cc:75:26: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister] 75 | for(register int i=1;i<n;i++) | ^
s267515729
p04049
C++
// In the name of god #include <bits/stdC++.h> #pragma GCC optimze("02") using namespace std; using ll =long long; const ll maxn=2e3+5,inf=1e18; ll n,m=inf,k,x,y,h[maxn],num[2][maxn]; bool mark[maxn]; vector <ll> adj[maxn]; pair <ll,ll> p[maxn]; void dfs(int u,int v){ mark[u]=1; for(int j:adj[u]){ if(!mark[j]&&j!=v){ h[j]=h[u]+1; num[0][h[u]+1]++; dfs(j,v); } } } void dfs2(int u,int v){ mark[u]=1; for(int j:adj[u]){ if(!mark[j]&&j!=v){ h[j]=h[u]+1; num[1][h[u]+1]++; dfs2(j,v); } } } void dfs3(int u){ mark[u]=1; for(int j:adj[u]){ if(!mark[j]){ h[j]=h[u]+1; num[0][h[j]]++; dfs3(j); } } } int main(){ ios::sync_with_stdio(false) , cin.tie(0) , cout.tie(0); cin>>n>>k; for(int i=1;i<n;i++){ cin>>x>>y; x--; y--; p[i]={x,y}; adj[y].push_back(x); adj[x].push_back(y); } if(k%2==1){ for(int i=1;i<n;i++){ dfs(p[i].first,p[i].second); dfs2(p[i].second,p[i].first); x=0; for(int j=(k+1)/2;j<=n;j++){ x+=num[0][j]; x+=num[1][j]; } m=min(m,x); for(int j=0;j<=n;j++){ h[j]=0; num[0][j]=0; num[1][j]=0; mark[j]=0; } } } else{ for(int i=0;i<n;i++){ dfs3(i); x=0; for(int j=(k/2)+1;j<=n;j++){ x+=num[0][j]; } m=min(m,x); for(int j=0;j<=n;j++){ h[j]=0; num[0][j]=0; num[1][j]=0; mark[j]=0; } } } cout<<m; }
a.cc:2:10: fatal error: bits/stdC++.h: No such file or directory 2 | #include <bits/stdC++.h> | ^~~~~~~~~~~~~~~ compilation terminated.
s816248367
p04049
C++
#include <bits/stdc++.h> #define pb push_back #define ll long long #define si short int #define speed ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0) #define pill pair<ll,ll> #define f first #define s second #define pilc pair<ll,char> #define all(a) (a).begin(),(a).end() #define rep(s,e,step) for(int i = (s); i < (e) ; i += step) #define vrep(s,e,step) for(int j = (s); j < (e) ; j += step) #define ex exit(0) #define sz(a) (a).size() #define trill pair<ll,pill> #define F f #define S s.f #define T s.s; using namespace std; const ll N = 2011; const ll big = 1e18; const ll block = 800; const ll mod = 1e6; ll n, k; bool del[N]; vector<ll> g[N]; trill bfs(ll s) { queue<pill> x; x.push({s, 0}); trill rstM = {0, {0, 0}}; bool w[N] = {0}; w[s] = 1; while(x.size()) { ll v = x.front().f, rst = x.front().s; if(rstM.F < rst) rstM = {rst, {0, 0}}; if(rstM.F == rst) rstM.T++; x.pop(); for(auto u : g[v]){ if(!w[u] && !del[u]) w[u] = 1,x.push({u, rst + 1}); } } return rstM; } pill dia() { trill g1 = bfs(1); trill g2 = bfs(g1.S); trill g3 = bfs(g2.S); if(g3.T > g2.T) return g3; else return g2; } int main() { speed; cin >> n >> k; rep(1, n, 1){ ll a,b; cin >> a >> b; g[a].pb(b), g[b].pb(a); } rep(0, n, 1) { pill g1 = dia(); if(g1.f <= k) cout << i,ex; del[g1.s] = 1; } } /* Code written by Codeforces : I_Love_Trott mail : dzhon.snoudin@mail.ru */
a.cc: In function 'std::pair<long long int, std::pair<long long int, long long int> > bfs(long long int)': a.cc:45:33: error: expected primary-expression before ';' token 45 | rstM.T++; | ^ a.cc: In function 'std::pair<long long int, long long int> dia()': a.cc:59:17: error: expected primary-expression before '>' token 59 | if(g3.T > g2.T) | ^ a.cc:18:14: error: expected ')' before ';' token 18 | #define T s.s; | ^ a.cc:59:22: note: in expansion of macro 'T' 59 | if(g3.T > g2.T) | ^ a.cc:59:11: note: to match this '(' 59 | if(g3.T > g2.T) | ^ a.cc:59:23: error: expected primary-expression before ')' token 59 | if(g3.T > g2.T) | ^ a.cc:61:9: error: 'else' without a previous 'if' 61 | else | ^~~~ a.cc:62:24: error: could not convert 'g2' from 'pair<[...],std::pair<long long int, long long int>>' to 'pair<[...],long long int>' 62 | return g2; | ^~ | | | pair<[...],std::pair<long long int, long long int>>
s478627316
p04049
C++
#include <bits/stdc++.h> #define pb push_back #define ll long long #define si short int #define speed ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0) #define pill pair<ll,ll> #define f first #define s second #define pilc pair<ll,char> #define all(a) (a).begin(),(a).end() #define rep(s,e,step) for(int i = (s); i < (e) ; i += step) #define vrep(s,e,step) for(int j = (s); j < (e) ; j += step) #define ex exit(0) #define sz(a) (a).size() #define trill pair<ll,pill> #define F f #define S s.f #define T s.s; using namespace std; const ll N = 2011; const ll big = 1e18; const ll block = 800; const ll mod = 1e6; ll n, k; bool del[N]; vector<ll> g[N]; trill bfs(ll s) { queue<pill> x; x.push({s, 0}); trill rstM = {0, {0, 0}}; bool w[N] = {0}; w[s] = 1; while(x.size()) { ll v = x.front().f, rst = x.front().s; if(rstM.F < rst) rstM = {rst, {0, 0}}; if(rstM.F == rst) rstM.T++; x.pop(); for(auto u : g[v]){ if(!w[u] && !del[u]) w[u] = 1,x.push({u, rst + 1}); } } return rstM; } pill dia() { trill g1 = bfs(1); trill g2 = bfs(g1.S); trill g3 = bfs(g2.S); if(g3.T > g2.T) return g3; else return g2; } int main() { speed; cin >> n >> k; rep(1, n, 1){ ll a,b; cin >> a >> b; g[a].pb(b), g[b].pb(a); } rep(0, n, 1) { pill g1 = dia(); if(g1.f <= k) cout << i,ex; del[g1.s] = 1; } } /* Code written by Codeforces : I_Love_Trott mail : dzhon.snoudin@mail.ru */
a.cc: In function 'std::pair<long long int, std::pair<long long int, long long int> > bfs(long long int)': a.cc:45:33: error: expected primary-expression before ';' token 45 | rstM.T++; | ^ a.cc: In function 'std::pair<long long int, long long int> dia()': a.cc:59:17: error: expected primary-expression before '>' token 59 | if(g3.T > g2.T) | ^ a.cc:18:14: error: expected ')' before ';' token 18 | #define T s.s; | ^ a.cc:59:22: note: in expansion of macro 'T' 59 | if(g3.T > g2.T) | ^ a.cc:59:11: note: to match this '(' 59 | if(g3.T > g2.T) | ^ a.cc:59:23: error: expected primary-expression before ')' token 59 | if(g3.T > g2.T) | ^ a.cc:61:9: error: 'else' without a previous 'if' 61 | else | ^~~~ a.cc:62:24: error: could not convert 'g2' from 'pair<[...],std::pair<long long int, long long int>>' to 'pair<[...],long long int>' 62 | return g2; | ^~ | | | pair<[...],std::pair<long long int, long long int>>
s779725992
p04049
C++
#include <bits/stdc++.h> #define pb push_back #define ll long long #define si short int #define speed ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0) #define pill pair<ll,ll> #define f first #define s second #define pilc pair<ll,char> #define all(a) (a).begin(),(a).end() #define rep(s,e,step) for(int i = (s); i < (e) ; i += step) #define vrep(s,e,step) for(int j = (s); j < (e) ; j += step) #define ex exit(0) #define sz(a) (a).size() #define trill pair<ll,pill> #define F f #define S s.f #define T s.s; using namespace std; const ll N = 2011; const ll big = 1e18; const ll block = 800; const ll mod = 1e6; ll n, k; bool del[N]; vector<ll> g[N]; trill bfs(ll s) { queue<pill> x; x.push({s, 0}); trill rstM = {0, {0, 0}}; bool w[N] = {0}; w[s] = 1; while(x.size()) { ll v = x.front().f, rst = x.front().s; if(rstM.F < rst) rstM = {rst, {0, 0}}; if(rstM.F == rst) rstM.T++; x.pop(); for(auto u : g[v]){ if(!w[u] && !del[u]) w[u] = 1,x.push({u, rst + 1}); } } return rstM; } pill dia() { trill g1 = bfs(1); trill g2 = bfs(g1.s); trill g3 = bfs(g2.s); if(g3.T > g2.T) return g3; else return g2; } int main() { speed; cin >> n >> k; rep(1, n, 1){ ll a,b; cin >> a >> b; g[a].pb(b), g[b].pb(a); } rep(0, n, 1) { pill g1 = dia(); if(g1.f <= k) cout << i,ex; del[g1.s] = 1; } } /* Code written by Codeforces : I_Love_Trott mail : dzhon.snoudin@mail.ru */
a.cc: In function 'std::pair<long long int, std::pair<long long int, long long int> > bfs(long long int)': a.cc:45:33: error: expected primary-expression before ';' token 45 | rstM.T++; | ^ a.cc: In function 'std::pair<long long int, long long int> dia()': a.cc:8:11: error: cannot convert 'std::pair<long long int, long long int>' to 'long long int' 8 | #define s second | ^ | | | std::pair<long long int, long long int> a.cc:57:27: note: in expansion of macro 's' 57 | trill g2 = bfs(g1.s); | ^ a.cc:8:11: note: initializing argument 1 of 'std::pair<long long int, std::pair<long long int, long long int> > bfs(long long int)' 8 | #define s second | ^ a.cc:34:14: note: in expansion of macro 's' 34 | trill bfs(ll s) { | ^ a.cc:8:11: error: cannot convert 'std::pair<long long int, long long int>' to 'long long int' 8 | #define s second | ^ | | | std::pair<long long int, long long int> a.cc:58:27: note: in expansion of macro 's' 58 | trill g3 = bfs(g2.s); | ^ a.cc:8:11: note: initializing argument 1 of 'std::pair<long long int, std::pair<long long int, long long int> > bfs(long long int)' 8 | #define s second | ^ a.cc:34:14: note: in expansion of macro 's' 34 | trill bfs(ll s) { | ^ a.cc:59:17: error: expected primary-expression before '>' token 59 | if(g3.T > g2.T) | ^ a.cc:18:14: error: expected ')' before ';' token 18 | #define T s.s; | ^ a.cc:59:22: note: in expansion of macro 'T' 59 | if(g3.T > g2.T) | ^ a.cc:59:11: note: to match this '(' 59 | if(g3.T > g2.T) | ^ a.cc:59:23: error: expected primary-expression before ')' token 59 | if(g3.T > g2.T) | ^ a.cc:61:9: error: 'else' without a previous 'if' 61 | else | ^~~~ a.cc:62:24: error: could not convert 'g2' from 'pair<[...],std::pair<long long int, long long int>>' to 'pair<[...],long long int>' 62 | return g2; | ^~ | | | pair<[...],std::pair<long long int, long long int>>
s802978187
p04049
C++
s
a.cc:2:1: error: 's' does not name a type 2 | s | ^
s374143347
p04049
C++
#include <algorithm> #include <bitset> #include <cmath> #include <cstdio> #include <cstring> #include <ctime> #include <deque> #include <iostream> #include <map> #include <queue> #include <set> #include <string> #include <vector> using namespace std; namespace io { #define SIZ (1 << 21 | 1) #define gc() (io::iS == io::iT ? (io::iT= (io::iS= io::ibuff) + fread(io::ibuff, 1, SIZ, stdin), (io::iS == io::iT ? EOF : *io::iS++)) : *io::iS++) #define putc(x) (io::oS == io::oT ? (fwrite(io::obuff, 1, io::oS - io::obuff, stdout), io::oS= io::obuff, (*io::oS++= x)) : *io::oS++= x) #define exit \ fwrite(io::obuff, 1, io::oS - io::obuff, stdout); \ return 0; char *iS, *iT, ibuff[SIZ], obuff[SIZ], *oS= obuff, *oT= oS + SIZ - 1, fu[110], c; int fr; template <class Type> inline void read(Type &x) { x= 0; Type y= 1; for(c= gc(); (c > '9' || c < '0') && c != '-'; c= gc()) ; c == '-' ? y= -1 : x= (c & 15); for(c= gc(); c >= '0' && c <= '9'; c= gc()) x= x * 10 + (c & 15); x*= y; } inline void reads(char *x) { for(c= gc(); c == ' ' || c == '\n'; c= gc()) ; for(; c != ' ' && c != '\n' && c != EOF; *x= c, c= gc(), ++x) ; } template <class Type> inline void print(Type x, char text= '\n') { if(x < 0) putc('-'), x*= -1; if(x == 0) putc('0'); while(x) fu[++fr]= x % 10 + '0', x/= 10; while(fr) putc(fu[fr--]); putc(text); } inline void prints(char *x, char *y= NULL, char text= '\n') { for(; *x && x != y; ++x) putc(*x); putc(text); } } // namespace io using io::print; using io::prints; using io::read; using io::reads; #define N 2001 int n, k, head[N], cnt, dis[N], ans= 2147483647; struct Edge { int a, b; } e[N << 1]; inline void add(int a, int b) { e[++cnt].a= head[a], e[cnt].b= b, head[a]= cnt; } inline void dfs(int x, int y, int z) { dis[x]= dis[y] + 1; for(int i= head[x]; i; i= e[i].a) { if(e[i].b == y || e[i].b == z) continue; dfs(e[i].b, x); } } signed main() { read(n), read(k); for(int i= 1, a, b; i < n; i++) read(a), read(b), add(a, b), add(b, a); dis[0]= -1; if(k & 1) { for(int i= 1; i < n; i++) { int a= e[(i << 1) - 1].b, b= e[i << 1].b; dfs(a, 0, b), dfs(b, 0, a); int x= 0; for(int j= 1; j <= n; j++) if(dis[j] >= (k >> 1)) ++x; ans= min(ans, x); } } else { for(int i= 1; i <= n; i++) { dfs(i, 0, 0); int x= 0; for(int j= 1; j <= n; j++) if(dis[j] > (k >> 1)) ++x; ans= min(ans, x); } } print(ans); exit; }
a.cc: In function 'void dfs(int, int, int)': a.cc:75:20: error: too few arguments to function 'void dfs(int, int, int)' 75 | dfs(e[i].b, x); | ~~~^~~~~~~~~~~ a.cc:69:13: note: declared here 69 | inline void dfs(int x, int y, int z) | ^~~
s549959540
p04049
C++
#include <iostream> //#include <bits/stdc++.h> #include <cstdlib> #include <cstring> #include <cstdio> #include <vector> #include <queue> #include <algorithm> #define loop(i,a,b) for(int i=a;i<b;i++) #define pb(x) push_back(x) #define F first #define S second using namespace std; const int N=2000; vector<int> g[N]; int n; int ok; //int lvl[N]; //int parent[N]; bool used[N]; int k; dfs(int u,int level){ // lvl[u]=level; // parent[u]=p; if(level>k/2){ ok++; } used[u]=true; for(auto x:g[u]){ if(used[x]==false){ dfs(x,level+1); } } } void solve(){ scanf("%d%d",&n,&k); int x,y; loop(i,1,n){ scanf("%d%d",&x,&y); x--; y--; g[y].pb(x); g[x].pb(y); } //distance kitna hai k/2 vector<int> ans; loop(i,0,n){ ok=0; memset(used,0,sizeof(used)); dfs(i,0); ans.pb(ok); } cout<<*min_element(ans.begin(),ans.end()); } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); solve(); return 0; }
a.cc:22:1: error: ISO C++ forbids declaration of 'dfs' with no type [-fpermissive] 22 | dfs(int u,int level){ | ^~~ a.cc: In function 'int dfs(int, int)': a.cc:34:1: warning: no return statement in function returning non-void [-Wreturn-type] 34 | } | ^
s898531467
p04049
C++
#include <algorithm> #include <cmath> #include <cstdio> #include <cstring> #include <iostream> #include <queue> #define inf 0x7f7f7f7f using namespace std; typedef long long ll; #define maxn 5000010 void read(int &x) { int f = 1; x = 0; char ch = getchar(); while (ch < '0' || ch > '9') { if (ch == '-') f = -1; ch = getchar(); } while (ch >= '0' && ch <= '9') { x = x * 10 + ch - '0'; ch = getchar(); } x *= f; } struct node { int to; int nxt; } edge[maxn]; int tot, head[maxn], maxx, vis[maxn], ans, cnt; void add(int x, int y) { edge[cnt].to = y; edge[cnt].nxt = head[x]; head[x] = cnt++; } void dfs(int now, int fa, int stp) { tot++; if (stp == 0) return; for (int i = head[now]; ~i; i = edge[i].nxt) { if (edge[i].to == fa) { continue; } dfs(edge[i].to, now, stp - 1); } } int n, k; int main() { read(n), read(k); int u, v, del; for (int i = 0; i <= n; i++) head[i] = -1; for (int i = 0; i < n - 1; i++) { read(u), read(v); add(u, v); add(v, u); } ans = 0; if (k % 2 == 0) { // k为偶数,枚举点,跑k/2的边 for (int i = 1; i <= n; i++) { tot = 0; dfs(i, 0, k / 2); ans = max(tot, ans); } } else { // k为奇数,枚举边,跑k/2的点for (u = 1; u <= n; u++) { for (int j = head[u]; ~j; j = edge[j].nxt) { tot = 0; int t = edge[j].to; dfs(t, u, k / 2); dfs(u, t, k / 2); ans = max(tot, ans); } } } cout << n - ans << endl; }
a.cc:73:1: error: 'cout' does not name a type 73 | cout << n - ans << endl; | ^~~~ a.cc:74:1: error: expected declaration before '}' token 74 | } | ^
s115842694
p04049
C++
#include <bits/stdc++.h> using namespace std; const int N = 2000 + 7; int n, k, mindel[N][N], dep[N][N]; vector<int> g[N]; bool vis[N]; void dfs(int a) { mindel[a][0] = 1; vector<int> kids; vis[a] = 1; for (auto &b : g[a]) { if (vis[b] == 0) { dfs(b); mindel[a][0] += mindel[b][0]; kids.push_back(b); } } if (kids.empty()) { for (int i = 1; i <= k; i++) { mindel[a][i] = 0; } return; } for (int len = 1; len <= k; len++) { mindel[a][len] = mindel[a][i - 1]; int other = k - len; other = min(other, len - 1); for (auto &power : kids) { int cur = mindel[power][len - 1]; for (auto &b : kids) { if (b != power) { cur += mindel[b][other]; } } mindel[a][len] = min(mindel[a][len], cur); } } } int main() { ios::sync_with_stdio(false); cin.tie(0); cin >> n >> k; k++; for (int i = 1; i < n; i++) { int x, y; cin >> x >> y; g[x].push_back(y); g[y].push_back(x); } dfs(1); int ans = (int) 1e9; for (int i = 1; i <= n; i++) { ans = min(ans, mindel[i][k] + n - mindel[i][0]); } cout << ans << "\n"; }
a.cc: In function 'void dfs(int)': a.cc:28:32: error: 'i' was not declared in this scope 28 | mindel[a][len] = mindel[a][i - 1]; | ^
s970249183
p04049
C++
#include <bits/stdc++.h> using namespace std::literals::string_literals; using i64 = std::int_fast64_t; using std::cout; using std::cerr; using std::endl; using std::cin; template<typename T> std::vector<T> make_v(size_t a){return std::vector<T>(a);} template<typename T,typename... Ts> auto make_v(size_t a,Ts... ts){ return std::vector<decltype(make_v<T>(ts...))>(a,make_v<T>(ts...)); } int main() { int n, k; scanf("%d%d", &n, &k); std::vector<int> a(n - 1), b(n - 1); std::vector<std::vector<int>> g(n); for(int i = 0; i < n - 1; i++) { scanf("%d%d", &a[i], &b[i]); a[i]--; b[i]--; g[a[i]].push_back(i); g[b[i]].push_back(i); } int ans = n; for(int i = 0; i < n; i++) { int v = a[id] ^ b[id] ^ i; auto dfs = [&](auto&& dfs, int v, int par, int d) -> int { if(d > k / 2) return 0; int ret = 1; for(auto id: g[v]) { int to = a[id] ^ b[id] ^ v; ret += dfs(dfs, to, v, d + 1); } return ret; }; if(k & 1) { // 中心が二つ for(auto id: g[i]) { int to = a[id] ^ b[id] ^ i; int ret = dfs(dfs, to, i, 0) + dfs(dfs, i, to, 0); ans = std::min(ans, n - ret); } } else { int ret = dfs(dfs, i, -1, 0); ans = std::min(ans, n - ret); } } printf("%d\n", ans); return 0; }
a.cc: In function 'int main()': a.cc:31:27: error: 'id' was not declared in this scope; did you mean 'i'? 31 | int v = a[id] ^ b[id] ^ i; | ^~ | i
s866680360
p04049
C++
#include<bits/stdc++.h> #define pb emplace_back using namespace std; using ll = long long; const int maxn = 2010; bool bye[maxn]; vector<int> edge[maxn]; int n, k; vector<int> dp[maxn]; int sz[maxn]; void dfs1(int now, int last = -1){ sz[now] = 1; for(int u : edge[now])if(u != last) dfs1(u, now), sz[now] += sz[u]; } // //void dfs2(int now, int last = -1){ // for(int u : edge[now])if(u != last){ // dfs2(u, now); // if(dp[u].size() > dp[now].size()) // swap(dp[u], dp[now]); // for(int i = (int)dp[now].size()-1;i > 0;--i){ // auto get = [&](const vector<int> &a, const vector<int> &b){ // if(a.size() <= i)return maxn; // int p = min({max(k-i, 0), i}); // return a[i] + (p >= b.size() ? 0 : b[p]); // }; // dp[now][i] = min( get(dp[u], dp[now]), get(dp[now], dp[u]) ); // } // for(int i = 1;i < dp[now].size();++i) // dp[now][i] = min(dp[now][i-1], dp[now][i]); // } // auto tmp = dp[now]; // vector<int> &dp = ::dp[now]; // dp.resize( max(2, (int)tmp.size()+1) ); // dp[0] = sz[now]; // for(int i = 0;i < tmp.size();++i) // dp[i+1] = tmp[i]; // //for(int i= 1;i < dp.size();++i) // //assert(dp[i] <= dp[i-1]); // //cerr << "now " << now << ' ' << dp.size() << '\n'; //} void dfs2(int now, int last = -1){ dp[now] = {0}; for(int u : edge[now])if(u != last){ dfs2(u, now) signed main(){ ios_base::sync_with_stdio(0), cin.tie(0); cin >> n >> k; for(int i = 1, a, b;i < n;++i){ cin >> a >> b; edge[a].pb(b); edge[b].pb(a); } dfs1(1); dfs2(1); cout << (dp[1].size() <= k+1 ? dp[1].back() : dp[1][k+1]) << '\n'; }
a.cc: In function 'void dfs2(int, int)': a.cc:46:29: error: expected ';' before 'signed' 46 | dfs2(u, now) | ^ | ; 47 | signed main(){ | ~~~~~~ a.cc:58:2: error: expected '}' at end of input 58 | } | ^ a.cc:45:44: note: to match this '{' 45 | for(int u : edge[now])if(u != last){ | ^ a.cc:58:2: error: expected '}' at end of input 58 | } | ^ a.cc:43:34: note: to match this '{' 43 | void dfs2(int now, int last = -1){ | ^
s672684745
p04049
C++
#include<bits/stdc++.h> #define ll long long using namespace std; inline ll read() { ll ans=0;ll a=1;char c=getchar(); for(;c<'0'||c>'9';c=getchar())if(c=='-')a=-1; for(;c>='0'&&c<='9';c=getchar())ans=ans*10+c-48; return ans*a; } ll a[2001][2001],maxx; vector<ll> p[2001]; ll se[2001],fi[2001],n,k,cnt; void dfs(ll root,ll fa,ll poi,ll s) { a[root][poi]=s; for(ll i=0;i<p[poi].size();i++) { ll x=p[poi][i]; if(x==fa) { continue ; } dfs(root,poi,x,s+1); } } int main() { // freopen(".in","r",stdin); // freopen(".out","w",stdout); maxx=ll_MAX; n=read(); k=read(); for(ll i=1;i<n;i++) { ll x=read(); ll y=read(); p[x].push_back(y); p[y].push_back(x); fi[i]=y; se[i]=x; } for(ll i=1;i<=n;i++) { dfs(i,0,i,0); } for(ll i=1;i<=n;i++) { ll cnt=0; for(ll j=1;j<=n;j++) { if(2*a[i][j]>k)cnt++; } maxx=min(maxx,cnt); } for(ll i=1;i<n;i++) { cnt=0; for(ll j=1;j<=n;j++) { if(2*(min(a[j][fi[i]],a[j][se[i]])+1)>k) cnt++; } maxx=min(maxx,cnt); } cout<<maxx<<endl; return 0; }
a.cc: In function 'int main()': a.cc:31:14: error: 'll_MAX' was not declared in this scope 31 | maxx=ll_MAX; | ^~~~~~
s119212965
p04049
C++
#include <iostream> #include <vector> using namespace std; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<bool> vb; typedef vector<vb> vvb; vvi graph(100); vvi lineDistances(100, vi(100)); vvb visited(100, vb(100, false)); vi vertexA, vertexB; int number, diameter; void dfs(int root, int start, int distanceInLines) { //preVisitRecursion. visited[root][start]=true; lineDistances[root][start]=distanceInLines; for(int next : graph[start]) { if(!visited[root][next]) { dfs(root, next, distanceInLines+1); } } //postVisitRecursion. return; } void usingDFS() { cin>>number>>diameter; int vertex0, vertex1; for(int i=1; i<number; ++i) { cin>>vertex0>>vertex1; graph[vertex0].push_back(vertex1); graph[vertex1].push_back(vertex0); vertexA.push_back(vertex0); vertexB.push_back(vertex1); } for(int vertex=1; vertex<=number; ++vertex) { dfs(vertex, vertex, 0); } int minimum=40000; for(int i=1; i<=number; ++i) { int counter=0; for(int j=1; j<=number; ++j) { if(lineDistances[i][j]>diameter/2) { ++counter; } } minimum=min(minimum, counter); } int dotA, dotB, tempMaxDist; for(int i=0; i<vertexA.size(); ++i) { int counter=0; dotA=vertexA[i]; dotB=vertexB[i]; for(int j=1; j<=number; ++j) { tempMaxDist=min(lineDistances[j][dotA], lineDistances[j][dotB]); if(tempMaxDist>(diameter-1)/2) { ++counter; } } minimum=min(minimum, counter); } cout<<endl<<minimum<<endl; return; } /* template<typename Type> void showContent(Type inputVector) { for(int i=1; i<=number; ++i) { for(int j=1; j<=number; ++j) { cout<<"["<<i<<"]["<<j<<"] <- "<<inputVector[i][j]<<endl; } } return; } */ int main() { ios :: sync_with_stdio(false); cout << fixed << setprecision(16); usingDFS(); //cout<<endl; //showContent(visited); //cout<<endl; //showContent(lineDistances); return 0; }
a.cc: In function 'int main()': a.cc:93:26: error: 'setprecision' was not declared in this scope 93 | cout << fixed << setprecision(16); | ^~~~~~~~~~~~ a.cc:3:1: note: 'std::setprecision' is defined in header '<iomanip>'; this is probably fixable by adding '#include <iomanip>' 2 | #include <vector> +++ |+#include <iomanip> 3 | using namespace std;
s516442803
p04049
C++
#include<bits/stdc++.h> using namespace std; int main() { int V, K; cin >> V >> K; vector<vector<int>> g(n); for (int i = 0; i < V-1; i++) { int u, v; cin >> u >> v; u--; v--; g[u].push_back(v); g[v].push_back(u); } int res = 0; auto dfs = [&](auto f, int n, int p, int d) -> int { if (d == 0) return 0; int cnt = 1; for (auto x : g[n]) { if (x == p) continue; cnt += f(f, x, n, d-1); } return cnt; }; for (int i = 0; i < V; i++) { for (auto x : g[i]) { res = max(res, V - dfs(dfs, i, x, K) + 1); } } cout << res << endl; }
a.cc: In function 'int main()': a.cc:5:25: error: 'n' was not declared in this scope 5 | vector<vector<int>> g(n); | ^
s129970063
p04049
C++
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int,int> Pii; typedef pair<ll,ll> Pll; #define rep(i,n) for (ll i=0;i<(n);++i) #define rep2(i,a,b) for (ll i=(a);i<(b);++i) #define debug(x) cout << #x << '=' << x << endl #define all(v) (v).begin(),(v).end() const ll MOD=1e9+7; //const ll MOD=998244353; const ll INF=1e9; const ll IINF=1e18; const double EPS=1e-8; const double pi=acos(-1); 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; } const int MAX_N=2010; int N,K,ans=0,c=0; vector<vector<int>> G(MAX_N); vector<vector<int>> d(MAX_N,vector<int>(MAX_N)); void dfs(int v,int p,int r,int &cnt){ for (auto nv:G[v]){ if (nv==p) continue; d[r][nv]=d[r][v]+1; if (d[r][nv]<=K) ++c; dfs(nv,v,r,c); } if (p==r) chmax(ans,cnt),cnt=0; } int main(){ cin.tie(0); ios::sync_with_stdio(false); cin >> N >> K; rep(i,N-1){ int a,b; cin >> a >> b; --a,--b; G[a].push_back(b); G[b].push_back(a); } rep(i,N) d[i][i]=0; rep(i,N) dfs(i,-1,i,c); cout << N-ans-1 << endl; }
a.cc:39:30: error: stray '\16' in program 39 | if (p==r) chmax(ans,cnt),<U+000E>cnt=0; | ^~~~~~~~
s292964027
p04049
C++
#include<bits/stdc++.h> using namespace std; int main(){ int N,K;cin>>N>>K; vector<vector<int>> A(N); for(int i=0;i<N;i++){ int a,b;cin>>a>>b; A[a-1].push_back(b-1); A[b-1].push_back(a-1); } int diameter=0,best_s=-1; for(int s=0;s<N;s++){ queue<int> q; vector<int> dist(N,-1); q.push(s);dist[s]=0; while(q.size()){ int attend=q.front();q.pop(); for(int next=0;next<A[attend].size();next++){ if(dist[next]==-1){ q.push(next);dist[next]=dist[attend]+1; if(diameter<dist[next]+1){ diameter=dist[next]+1;best_s=s; } } } } } int centor[2]={-1,-1}; queue<int> q; vector<int> dist(N,-1); q.push(best_s);dist[best_s]=0; while(q.size()){ int attend=q.front();q.pop(); for(int next=0;next<A[attend].size();next++){ if(dist[next]==-1){ q.push(next);dist[next]=dist[attend]+1; if(dist[next]==(diameter-1)/2)centor[0]=next; if(dist[next]==(diameter)/2)centor[1]=next; } } } vector<int> dist2(2*N,-1); for(int i=0;i<2;i++){ queue<int> q;q.push(centor[i]); dist2[centor[i]+N*i]=0; while(q.size()){ int attend=q.front();q.pop(); for(int next=0;next<A[attend].size();next++){ if(dist2[next+N*i]==-1){ q.push(next);dist2[next+N*i]=dist2[attend+N*i]+1; } } } } int ans=0; int t=K/2; for(int i=0;i<N;i++){ if(dist2[i]>t||dist2[i+N]>t)ans++ } if((K+diameter)%2=1)ans--; cout<<ans; }
a.cc: In function 'int main()': a.cc:63:38: error: expected ';' before '}' token 63 | if(dist2[i]>t||dist2[i+N]>t)ans++ | ^ | ; 64 | } | ~ a.cc:65:18: error: lvalue required as left operand of assignment 65 | if((K+diameter)%2=1)ans--; | ~~~~~~~~~~~~^~
s070195508
p04049
C++
/* #pragma GCC optimize("Ofast") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,avx,avx2") #pragma GCC optimize("Os") #pragma GCC target("avx2,fma") #pragma GCC optimize("Ofast") #pragma GCC optimize("Os") */ #include <bits/stdc++.h> #include <windows.h> #define ll long long #define X first #define Y second #define MP make_pair using namespace std; /* const int MAX_MEM = 1e8; int mpos=0; char mem[MAX_MEM]; inline void * operator new(size_t n){ char *res = mem + mpos; mpos += n; assert(mpos <= MAX_MEM); return (void *)res; } inline void operator delete(void *){} */ const int N = 2e3 + 1; int n, k, ans[N], t; vector<int> g[N]; void dfs(int v, int pr=0, int d=0){ if(d > k / 2){ ans[t] += 1; } for(int u: g[v]){ if(pr == u) continue; dfs(u, v, d + 1); } } int main () { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); cin >> n >> k; for(int i = 1;i < n;i++){ int x, y; cin >> x >> y; g[x].push_back(y), g[y].push_back(x); } for(int i = 1;i <= n;i++){ t = i; dfs(i); } int res = n; for(int i = 1;i <= n;i++) res = min(res, ans[i]); cout << res; }
a.cc:11:10: fatal error: windows.h: No such file or directory 11 | #include <windows.h> | ^~~~~~~~~~~ compilation terminated.
s005815628
p04049
C++
///supercalifragilisticexpialidocious. #include <cstdio> #include <cstring> #include <cmath> #include <cassert> #include <cstdlib> #include <cctype> #include <ctime> #include <iostream> #include <iomanip> #include <sstream> #include <numeric> #include <utility> #include <string> #include <algorithm> #include <vector> #include <map> #include <queue> #include <set> #include <list> #include <bitset> #include <complex> using namespace std; #define f first #define s second #define PB pop_back #define pb push_back #define mp make_pair #define int long long #define y1 y_golabi #define sz(s) (int)s.size() #define seper(n) setprecision(n) #define all(v) v.begin(),v.end() #define mem(a,b) memset(a,b,sizeof a) #define IOS ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0); typedef long long ll; typedef map<int , int> mii; typedef pair<int , int> pii; typedef map<string , int> msi; typedef pair<int , string> pis; typedef pair<int , pair<int , int> > piii; const int MAXN = 2e3 + 10; int n , k , u , v , mn , h[MAXN]; pii edge[MAXN]; vector<int> adj[MAXN]; int dfs(int u) { int ans = (k / 2 < h[u]); for(auto v : adj[u]) if(h[v] == -1) h[v] = h[u] + 1 , ans += dfs(v); return ans; } void input() { cin >> n >> k; for(int i = 0 ; i < n - 1 ; i ++) cin >> u >> v , u -- , v -- , adj[u].pb(v) , adj[v].pb(u) , edge[i] = mp(u , v); return; } int32_t main() { input() , mn = INT_MAX; /*for(int i = 0 ; i < n - 1 ; i ++) cout << edge[i].f << " " << edge[i].s << " "; cout << endl;*/ /*for(int i = 0 ; i < n ; i ++) { for(auto j : adj[i]) cout << "adj[i][j]: " << j << " "; cout << endl; }*/ if(!(k % 2)) for(int i = 0 ; i < n ; i ++) mem(h , -1) , h[i] = 0 , mn = min(mn , dfs(i)); else for(int i = 0 ; i < n - 1 ; i ++) mem(h , -1) , h[edge[i].f] = h[edge[i].s] = 0 , mn = min(mn , dfs(edge[i].f) + dfs(edge[i].s)); return cout << mn << endl , 0; }
a.cc: In function 'int32_t main()': a.cc:63:24: error: 'INT_MAX' was not declared in this scope 63 | input() , mn = INT_MAX; | ^~~~~~~ a.cc:23:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>' 22 | #include <complex> +++ |+#include <climits> 23 | using namespace std;
s626406921
p04049
C++
#include<cstdio> #include<cstring> #include<algorithm> using namespace std; const int N=2005; int n,m,t,p,ans; int d[N],first[N],v[N],w[N],next[N]; struct Node{ int u,v; }e[N]; void add(int x,int y) { t++; next[t]=first[x]; first[x]=t; v[t]=y; } void dfs(int x,int father) { int i,j; for(i=first[x];i;i=next[i]) { j=v[i]; if(j==father) continue; d[j]=d[x]+1; dfs(j,x); } } int main() { int x,y,z,i,k,u; scanf("%d%d",&n,&k); m=k/2; ans=0x3f3f3f3f; for(i=2;i<=n;++i) { scanf("%d%d",&x,&y); e[i].u=x; e[i].v=y; add(x,y); add(y,x); } if ((k&1)==0){ int res=0; for (int i=1;i<=n;i++){ res = d[i] = 0; dfs(i,i); for (int j=1;j<=n;j++) if(d[j]>m) ++res; ans = min(ans,res); } } else{ int res = 0; for (int i=2;i<=n;i++){ d[e[i].u] = d[e[i].v] = res = 0; dfs(e[i].u,e[i].v); dfs(e[i].v,e[i].u); for (int j=1;j<=n;j++) if(d[j]>m) ++res; ans = min(ans,res); } } printf("%d\n",ans); return 0; }
a.cc: In function 'void add(int, int)': a.cc:14:9: error: reference to 'next' is ambiguous 14 | next[t]=first[x]; | ^~~~ In file included from /usr/include/c++/14/bits/stl_algobase.h:66, from /usr/include/c++/14/algorithm:60, from a.cc:3: /usr/include/c++/14/bits/stl_iterator_base_funcs.h:232:5: note: candidates are: 'template<class _InputIterator> constexpr _InputIterator std::next(_InputIterator, typename iterator_traits<_Iter>::difference_type)' 232 | next(_InputIterator __x, typename | ^~~~ a.cc:7:29: note: 'int next [2005]' 7 | int d[N],first[N],v[N],w[N],next[N]; | ^~~~ a.cc: In function 'void dfs(int, int)': a.cc:21:28: error: reference to 'next' is ambiguous 21 | for(i=first[x];i;i=next[i]) | ^~~~ /usr/include/c++/14/bits/stl_iterator_base_funcs.h:232:5: note: candidates are: 'template<class _InputIterator> constexpr _InputIterator std::next(_InputIterator, typename iterator_traits<_Iter>::difference_type)' 232 | next(_InputIterator __x, typename | ^~~~ a.cc:7:29: note: 'int next [2005]' 7 | int d[N],first[N],v[N],w[N],next[N]; | ^~~~
s055557354
p04049
C++
#include<cstdio> #include<cstring> #include<algorithm> using namespace std; const int N=2005; int n,m,t,p,ans; int d[N],first[N],v[N],w[N],next[N]; struct Node{ int u,v; }e[N]; void add(int x,int y) { t++; next[t]=first[x]; first[x]=t; v[t]=y; } void dfs(int x,int father) { int i,j; for(i=first[x];i;i=next[i]) { j=v[i]; if(j==father) continue; d[j]=d[x]+1; dfs(j,x); } } int main() { int x,y,z,i,k,u; scanf("%d%d",&n,&k); m=k/2; ans=0x3f3f3f3f; for(i=2;i<=n;++i) { scanf("%d%d",&x,&y); e[i].u=x; e[i].v=y; add(x,y); add(y,x); } if ((k&1)==0){ int res=0; for (int i=1;i<=n;i++){ res = d[i] = 0; dfs(i,i); for (int j=1;j<=n;j++) if(d[j]>m) ++res; ans = min(ans,res); } } else{ int res = 0; for (int i=2;i<=n;i++){ d[e[i].u] = d[e[i].v] = res = 0; dfs(e[i].u,e[i].v); dfs(e[i].v,e[i].u); for (int j=1;j<=n;j++) if(d[j]>m) ++res; ans = min(ans,res); } } printf("%d\n",ans); return 0; }
a.cc: In function 'void add(int, int)': a.cc:14:9: error: reference to 'next' is ambiguous 14 | next[t]=first[x]; | ^~~~ In file included from /usr/include/c++/14/bits/stl_algobase.h:66, from /usr/include/c++/14/algorithm:60, from a.cc:3: /usr/include/c++/14/bits/stl_iterator_base_funcs.h:232:5: note: candidates are: 'template<class _InputIterator> constexpr _InputIterator std::next(_InputIterator, typename iterator_traits<_Iter>::difference_type)' 232 | next(_InputIterator __x, typename | ^~~~ a.cc:7:29: note: 'int next [2005]' 7 | int d[N],first[N],v[N],w[N],next[N]; | ^~~~ a.cc: In function 'void dfs(int, int)': a.cc:21:28: error: reference to 'next' is ambiguous 21 | for(i=first[x];i;i=next[i]) | ^~~~ /usr/include/c++/14/bits/stl_iterator_base_funcs.h:232:5: note: candidates are: 'template<class _InputIterator> constexpr _InputIterator std::next(_InputIterator, typename iterator_traits<_Iter>::difference_type)' 232 | next(_InputIterator __x, typename | ^~~~ a.cc:7:29: note: 'int next [2005]' 7 | int d[N],first[N],v[N],w[N],next[N]; | ^~~~
s305320909
p04049
C++
#include <iostream> #include <algorithm> #include <vector> #include <queue> #include <math.h> using namespace std; typedef long long int ll; int n,k; vector<int> G[2100]; int dfs(int t,int f,int k,int depth=0){ int cnt=0; if(depth>=k)cnt++; for(auto d:G[t]){ if(d==f)continue; cnt+=dfs(d,t,k,depth+1); } return cnt; } int main(){ cin >> n >> k; for(int i=0;i<n-1;i++){ int a,b; cin >> a >> b; a--; b--; G[a].push_back(b); G[b].push_back(a); } int ans=n; for(int i=0;i<n;i++){ int cnt=0; for(int t:G[i]){ cnt+=dfs(t,i,k/2); } ans=min(ans,cnt); } for(int i=0;i<n;i++){ for(int t:G[i]){ int cnt=dfs(t,i,(k+1)/2)+dfs(t,s,(k+1)/2); ans=min(ans,cnt); } } cout << ans << endl; }
a.cc: In function 'int main()': a.cc:40:56: error: 's' was not declared in this scope 40 | int cnt=dfs(t,i,(k+1)/2)+dfs(t,s,(k+1)/2); | ^
s306229540
p04049
C++
#include<iostream> #include<string> #include<cstdio> #include<cstring> #include<vector> #include<cmath> #include<algorithm> #include<functional> #include<iomanip> #include<queue> #include<ciso646> #include<random> #include<map> #include<set> #include<complex> #include<bitset> #include<stack> #include<unordered_map> #include<utility> #include<cassert> using namespace std; typedef long long ll; typedef unsigned long long ul; typedef unsigned int ui; typedef long double ld; const ll mod = 1000000007; const ll INF = mod * mod; #define rep(i,n) for(int i=0;i<n;i++) #define per(i,n) for(int i=n-1;i>=0;i--) #define Rep(i,sta,n) for(int i=sta;i<n;i++) #define rep1(i,n) for(int i=1;i<=n;i++) #define per1(i,n) for(int i=n;i>=1;i--) #define Rep1(i,sta,n) for(int i=sta;i<=n;i++) typedef complex<ld> Point; const ld eps = 1e-8; const ld pi = acos(-1.0); typedef pair<int, int> P; typedef pair<ld, ld> LDP; typedef pair<ll, ll> LP; typedef vector<int> vec; typedef vector<string> svec; #define fr first #define sc second #define all(c) c.begin(),c.end() #define pb push_back //#define int long long int N, K; vector<vector<int>> tree; void rec(int v, int p, int d, vector<int> &depth) { depth[v] = d; for(auto u : tree[v]) { if(u == p) continue; rec(u, v, d + 1, depth); } } void solve() { cin >> N >> K; tree.assign(N, vector<int>()); rep(i, N - 1) { int a, b; cin >> a >> b; a --; b --; tree[a].push_back(b); tree[b].push_back(a); } vector<int> depth(N); if(K % 2 == 0) { int ans = N; rep(v, N) { rec(v, -1, 0, depth); int cnt = 0; rep(u, N) { if(depth[u] > K / 2) cnt ++; } ans = min(ans, res); } cout << ans << endl; } else { int ans = N; rep(v, N) { for(auto u : tree[v]) { rec(u, v, 0, depth); rec(v, u, 0, depth); int cnt = 0; rep(w, N) { if(depth[w] > K / 2) cnt ++; } ans = min(ans, cnt); } cout << ans << endl; } } } signed main() { ios::sync_with_stdio(false); cin.tie(0); //cout << fixed << setprecision(10); //init(); solve(); //cout << "finish" << endl; return 0; }
a.cc: In function 'void solve()': a.cc:76:28: error: 'res' was not declared in this scope; did you mean 'rec'? 76 | ans = min(ans, res); | ^~~ | rec
s911513904
p04049
C++
#include <bits/stdc++.h> #include <random> using namespace std; typedef unsigned long long ull; typedef long long ll; typedef long double ld; #define int ll //#define int unsigned __int128 //#define ll unsigned __int128 typedef pair<int, int > pii; typedef pair<ll, ll> pll; typedef vector<int> vi; typedef vector< vi > vvi; typedef vector< vvi > vvvi; typedef vector<short> vs; typedef vector<vs> vvs; typedef vector<vvs> vvvs; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<vvl> vvvl; typedef vector<ld> vld; typedef vector<vld> vvld; typedef vector<vvld> vvvld; typedef vector<string> vst; typedef vector<vst> vvst; typedef pair<ld, ld> pld; typedef complex<double> base; #define inmin(a, b) a = min(a, (b)) #define inmax(a, b) a = max(a, (b)) #define ALL(a) a.begin(),a.end() #define RALL(a) a.rbegin(),a.rend() #define sqr(x) ((x) * (x)) #define fori(i, n) for(int i = 0; i < (int)(n); ++i) #define SZ(a) ((int)((a).size())) #define triple(T) tuple<T, T, T> #define quad(T) tuple<T, T, T, T> #define watch(x) cerr << (#x) << " = " << (x) << endl; #ifdef RUS_HOME #define cerr cout #else #define cerr if (false) cerr #endif const double PI = 2 * acos(0.0); mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); mt19937_64 rng_64(chrono::steady_clock::now().time_since_epoch().count()); const string DIGITS = "0123456789"; const string ALPH = "abcdefghijklmnopqrstuvwxyz"; template <class T0, class T1> inline ostream & operator << (ostream &out, pair<T0, T1> &a) { return out << "{" << a.first << ", " << a.second << "}"; } template <class T0, class T1, class T2> inline ostream & operator << (ostream &out, tuple<T0, T1, T2> &a) { return out << "{" << get<0>(a) << ", " << get<1>(a) << ", " << get<2>(a) << "}"; } template <class T0, class T1, class T2, class T3> inline ostream & operator << (ostream &out, tuple<T0, T1, T2, T3> &a) { return out << "{" << get<0>(a) << ", " << get<1>(a) << ", " << get<2>(a) << ", " << get<3>(a) << "}"; } template<class T> inline ostream & operator << (ostream &out, vector<T> &a) { out << "["; fori (i, a.size()) out << a[i] << vector<string>{", ", "] "}[i + 1 == a.size()]; return out; } void smain(); signed main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifdef RUS_HOME freopen("input.txt", "r", stdin); clock_t start = clock(); #else //freopen("dictionary.in", "r", stdin); //freopen("dictionary.out", "w", stdout); #endif cout << setprecision(12) << fixed; smain(); #ifdef RUS_HOME cout << "\n\n\n\nTOTAL EXECUTION TIME: " << float( clock () - start ) / CLOCKS_PER_SEC << endl; #endif return 0; } const int N = 2e3 + 100, oo = 1e9; vi g[N]; vector <bool> us(N); vi nm(N); multiset <int> st[N]; int n, k; void dfs(int v) { st[v].insert(0); set <pii> s; for (int i = 0; i < g[v].size(); i++) { int to = g[v][i]; if (!us[to]) { us[to] = true; nm[to] = v; dfs(to); if (st[to].size()) { auto it = st[to].end(); it--; s.insert({*it, to}); } } } while (s.size() >= 2) { auto it = s.end(); it--; auto p1 = *it; it--; auto p2 = *it; if (p1.first + p2.first + 2 > k) { auto it2 = st[p1.second].end(); it2--; st[p1.second].erase(it2); s.erase(p1); if (st[p1.second].size()) { it2 = st[p1.second].end(); it2--; s.insert({*it2, p1.second}); } } else break; } for (int i = 0; i < g[v].size(); i++) { int to = g[v][i]; if (nm[to] == v) { for (auto p : st[to]) { if (p < k - 1) { st[v].insert(p + 1); } } st[to].clear(); } } } void smain() { cin >> n >> k; for (int i = 0; i < n - 1; i++) { int a, b; cin >> a >> b; g[a].push_back(b); g[b].push_back(a); } int ans = oo; for (int i = 1; i <= n; i++) { us[i] = true; dfs(i); ans = min(ans, n - st[i].size()); st[i].clear(); fill(ALL(us), 0); fill(ALL(nm), 0); } cout << ans; }
a.cc: In function 'void smain()': a.cc:179:18: error: no matching function for call to 'min(ll&, long long unsigned int)' 179 | ans = min(ans, n - st[i].size()); | ~~~^~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/14/algorithm:60, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51, from a.cc:1: /usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)' 233 | min(const _Tp& __a, const _Tp& __b) | ^~~ /usr/include/c++/14/bits/stl_algobase.h:233:5: note: template argument deduction/substitution failed: a.cc:179:18: note: deduced conflicting types for parameter 'const _Tp' ('long long int' and 'long long unsigned int') 179 | ans = min(ans, n - st[i].size()); | ~~~^~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)' 281 | min(const _Tp& __a, const _Tp& __b, _Compare __comp) | ^~~ /usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate expects 3 arguments, 2 provided In file included from /usr/include/c++/14/algorithm:61: /usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)' 5686 | min(initializer_list<_Tp> __l) | ^~~ /usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)' 5696 | min(initializer_list<_Tp> __l, _Compare __comp) | ^~~ /usr/include/c++/14/bits/stl_algo.h:5696:5: note: template argument deduction/substitution failed: a.cc:179:18: note: mismatched types 'std::initializer_list<_Tp>' and 'long long int' 179 | ans = min(ans, n - st[i].size()); | ~~~^~~~~~~~~~~~~~~~~~~~~~~
s934899211
p04049
C++
#include <bits/stdc++.h> #include <random> using namespace std; typedef unsigned long long ull; typedef long long ll; typedef long double ld; #define int ll //#define int unsigned __int128 //#define ll unsigned __int128 typedef pair<int, int > pii; typedef pair<ll, ll> pll; typedef vector<int> vi; typedef vector< vi > vvi; typedef vector< vvi > vvvi; typedef vector<short> vs; typedef vector<vs> vvs; typedef vector<vvs> vvvs; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<vvl> vvvl; typedef vector<ld> vld; typedef vector<vld> vvld; typedef vector<vvld> vvvld; typedef vector<string> vst; typedef vector<vst> vvst; typedef pair<ld, ld> pld; typedef complex<double> base; #define inmin(a, b) a = min(a, (b)) #define inmax(a, b) a = max(a, (b)) #define ALL(a) a.begin(),a.end() #define RALL(a) a.rbegin(),a.rend() #define sqr(x) ((x) * (x)) #define fori(i, n) for(int i = 0; i < (int)(n); ++i) #define SZ(a) ((int)((a).size())) #define triple(T) tuple<T, T, T> #define quad(T) tuple<T, T, T, T> #define watch(x) cerr << (#x) << " = " << (x) << endl; #ifdef RUS_HOME #define cerr cout #else #define cerr if (false) cerr #endif const double PI = 2 * acos(0.0); mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); mt19937_64 rng_64(chrono::steady_clock::now().time_since_epoch().count()); const string DIGITS = "0123456789"; const string ALPH = "abcdefghijklmnopqrstuvwxyz"; template <class T0, class T1> inline ostream & operator << (ostream &out, pair<T0, T1> &a) { return out << "{" << a.first << ", " << a.second << "}"; } template <class T0, class T1, class T2> inline ostream & operator << (ostream &out, tuple<T0, T1, T2> &a) { return out << "{" << get<0>(a) << ", " << get<1>(a) << ", " << get<2>(a) << "}"; } template <class T0, class T1, class T2, class T3> inline ostream & operator << (ostream &out, tuple<T0, T1, T2, T3> &a) { return out << "{" << get<0>(a) << ", " << get<1>(a) << ", " << get<2>(a) << ", " << get<3>(a) << "}"; } template<class T> inline ostream & operator << (ostream &out, vector<T> &a) { out << "["; fori (i, a.size()) out << a[i] << vector<string>{", ", "] "}[i + 1 == a.size()]; return out; } void smain(); signed main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifdef RUS_HOME freopen("input.txt", "r", stdin); clock_t start = clock(); #else //freopen("dictionary.in", "r", stdin); //freopen("dictionary.out", "w", stdout); #endif cout << setprecision(12) << fixed; smain(); #ifdef RUS_HOME cout << "\n\n\n\nTOTAL EXECUTION TIME: " << float( clock () - start ) / CLOCKS_PER_SEC << endl; #endif return 0; } const int N = 2e3 + 100, oo = 1e9; vi g[N]; vector <bool> us(N); vi nm(N); multiset <int> st[N]; int n, k; void dfs(int v) { st[v].insert(0); set <pii> s; for (int i = 0; i < g[v].size(); i++) { int to = g[v][i]; if (!us[to]) { us[to] = true; nm[to] = v; dfs(to); if (st[to].size()) { auto it = st[to].end(); it--; s.insert({*it, to}); } } } while (s.size() >= 2) { auto it = s.end(); it--; auto p1 = *it; it--; auto p2 = *it; if (p1.first + p2.first + 2 > k) { auto it2 = st[p1.second].end(); it2--; st[p1.second].erase(it2); s.erase(p1); if (st[p1.second].size()) { it2 = st[p1.second].end(); it2--; s.insert({*it2, p1.second}); } } else break; } for (int i = 0; i < g[v].size(); i++) { int to = g[v][i]; if (nm[to] == v) { for (auto p : st[to]) { if (p < k - 1) { st[v].insert(p + 1); } } st[to].clear(); } } } void smain() { cin >> n >> k; for (int i = 0; i < n - 1; i++) { int a, b; cin >> a >> b; g[a].push_back(b); g[b].push_back(a); } int ans = oo; for (int i = 1; i <= n; i++) { us[i] = true; dfs(i); inmin(ans, n - st[i].size()); st[i].clear(); fill(ALL(us), 0); fill(ALL(nm), 0); } cout << ans; }
a.cc: In function 'void smain()': a.cc:31:28: error: no matching function for call to 'min(ll&, long long unsigned int)' 31 | #define inmin(a, b) a = min(a, (b)) | ~~~^~~~~~~~ a.cc:179:9: note: in expansion of macro 'inmin' 179 | inmin(ans, n - st[i].size()); | ^~~~~ In file included from /usr/include/c++/14/algorithm:60, from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51, from a.cc:1: /usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)' 233 | min(const _Tp& __a, const _Tp& __b) | ^~~ /usr/include/c++/14/bits/stl_algobase.h:233:5: note: template argument deduction/substitution failed: a.cc:31:28: note: deduced conflicting types for parameter 'const _Tp' ('long long int' and 'long long unsigned int') 31 | #define inmin(a, b) a = min(a, (b)) | ~~~^~~~~~~~ a.cc:179:9: note: in expansion of macro 'inmin' 179 | inmin(ans, n - st[i].size()); | ^~~~~ /usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)' 281 | min(const _Tp& __a, const _Tp& __b, _Compare __comp) | ^~~ /usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate expects 3 arguments, 2 provided In file included from /usr/include/c++/14/algorithm:61: /usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)' 5686 | min(initializer_list<_Tp> __l) | ^~~ /usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate expects 1 argument, 2 provided /usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)' 5696 | min(initializer_list<_Tp> __l, _Compare __comp) | ^~~ /usr/include/c++/14/bits/stl_algo.h:5696:5: note: template argument deduction/substitution failed: a.cc:31:28: note: mismatched types 'std::initializer_list<_Tp>' and 'long long int' 31 | #define inmin(a, b) a = min(a, (b)) | ~~~^~~~~~~~ a.cc:179:9: note: in expansion of macro 'inmin' 179 | inmin(ans, n - st[i].size()); | ^~~~~
s510905105
p04049
C++
#include <iostream> #include <vector> #include <algorithm> #include <cmath> #include <set> #include <queue> #include <deque> #include <map> #include <stack> #include<bitset> #include<list> #include<cassert> #include<numeric> using namespace std; const int Maxn = 4000 + 100; int Begin[Maxn], To[Maxn], Next[Maxn], e; int sum[Maxn], dis[Maxn]; int n, K, maxi; vector<int> graph[Maxn]; void add_edge(int x, int y) { To[++e] = y; Next[e] = Begin[x]; Begin[x] = e; } void dfs (int x, int fa) { maxi = max(maxi, dis[x]); sum[dis[x]] ++; for (int i = 0; i < graph[x].size(); i++) { int y = graph[x][i]; if (y == fa) continue; dis[y] = dis[x] + 1; dfs(y, x); } } int main() { cin >> n >> K; for (int i = 1; i < n; ++i) { int x, y; cin >> x >> y; graph[x].push_back(y); graph[y].push_back(x); add_edge(x, y); add_edge(y, x); } int ans = 1000 * 1000 * 1000; for (int i = 1; i <= n; ++i) { memset(sum, 0, sizeof(sum)); memset(dis, 0, sizeof(dis)); maxi = 0; dfs(i, 0); int cnt = 0; for (int j = K / 2 + 1; j <= maxi; ++j) cnt += sum[j]; if (!(K & 1)) { ans = min(ans, cnt); } else { for (int j = Begin[i]; j; j = Next[j]) { int y = To[j]; int tmp = 0; memset(sum, 0, sizeof(sum)); memset(dis, 0, sizeof(dis)); maxi = 0; dfs(i, y); for (int k = K / 2 + 1; k <= maxi; ++k) { tmp += sum[k]; } memset(sum, 0, sizeof(sum)); memset(dis, 0, sizeof(dis)); maxi = 0; dfs(y, i); for (int k = K / 2 + 1; k <= maxi; k++) { tmp += sum[k]; } ans = min(ans, tmp); } } } cout << ans << endl; }
a.cc: In function 'int main()': a.cc:59:9: error: 'memset' was not declared in this scope 59 | memset(sum, 0, sizeof(sum)); | ^~~~~~ a.cc:14:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>' 13 | #include<numeric> +++ |+#include <cstring> 14 |
s351829924
p04049
C++
#include <iostream> #include <vector> #include <algorithm> #include <cmath> #include <set> #include <queue> #include <deque> #include <map> #include <stack> #include<bitset> #include<list> #include<cassert> #include<numeric> using namespace std; using namespace std; const int mod = 1000 * 1000 * 1000 + 7; const int N = 5 * 1000 + 5; int n, k; int ans = 0; vector<int> graph[N]; int dis[N]; bool mark[N]; int jvb = mod; void input() { cin >> n >> k; for (int i = 0 ; i < n - 1; i++) { int u, v; cin >> u >> v; graph[u - 1].push_back(v - 1); graph[v - 1].push_back(u -1 ); } } void dfs(int v) { mark[v] = true; for (int i = 0; i < graph[v].size(); i++) { if (!mark[graph[v][i]]) { dfs(graph[v][i]); dis[i] = dis[v] + 1; if (dis[i] > k / 2) { ans++; } } } } int main() { input(); for (int i = 0; i < n; i++) { memset(mark, 0, sizeof mark); ans = 0; dfs(i); jvb = min(jvb, ans); } cout << jvb << endl; }
a.cc: In function 'int main()': a.cc:59:17: error: 'memset' was not declared in this scope 59 | memset(mark, 0, sizeof mark); | ^~~~~~ a.cc:14:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>' 13 | #include<numeric> +++ |+#include <cstring> 14 |
s730233535
p04049
C
#include <iostream> #include <cstdio> #include <vector> #include <cstring> #include <string> #include <set> #include <map> #include <queue> #include <cmath> #include <algorithm> #include <iomanip> #include <sstream> using namespace std; typedef long long ll; typedef unsigned long long ull; const int INF = 1e9; vector<int> dist[2020]; vector<int> edge[2020]; int vis[2020]; int e[2020]; int N,K; int dfs(int pos,int dis) { int res = 0; vis[pos] = 1; if(dis>K/2) res++; for(int i = 0;i < dist[pos].size();i++){ if(!vis[dist[pos][i]]){ res += dfs(dist[pos][i],dis+1); //cout<<"res:"<<res<<endl; } } return res; } int main() { cin>>m; scanf("%d%d",&N,&K); for(int i = 1;i <= N-1;i++){ int a,b; scanf("%d%d",&a,&b); dist[a].push_back(b); dist[b].push_back(a); edge[a].push_back(i); edge[b].push_back(i); } for(int i = 1;i <= N;i++){ if(edge[i].size()>=2){ for(int j = 0;j < edge[i].size();j++){ for(int k = ) } } } if(K%2==0){ int ans = INF; for(int i = 1;i <= N;i++){ memset(vis,0,sizeof(vis)); ans = min(dfs(i,0),ans); } cout<<ans<<endl; } else{ K = K + 1; } return 0; }
main.c:1:10: fatal error: iostream: No such file or directory 1 | #include <iostream> | ^~~~~~~~~~ compilation terminated.
s442984377
p04049
C++
#include <iostream> #include <vector> #include <algorithm> #include <cmath> using namespace std; const int N = 2010; vector<int> edge[N]; pair<int,int> e[N]; bool vis[N]; int cnt; void dfs(int n,int k){ vis[n]=1;cnt++; if(k==0) return ; for(int i=0;i<edge[n].size();i++){ if(!vis[edge[n][i]]) dfs(edge[n][i],k-1); } } int main(){ int n,k;cin>>n>>k; for(int i=1;i<=n-1;i++){ int a,b;cin>>a>>b; e[i].first=a;e[i].second=b; edge[a].push_back(b); edge[b].push_back(a); } int ans=n; if(k&1){ for(int i=1;i<=n-1;i++){ cnt=0; memset(vis,0,sizeof vis); vis[e[i].second]=1; dfs(e[i].first,k/2); dfs(e[i].second,k/2); int tmp=n-cnt; ans=min(tmp,ans); } }else{ for(int i=1;i<=n;i++){ cnt=0; memset(vis,0,sizeof vis); dfs(i,k/2); cout<<cnt<<endl; int tmp=n-cnt; ans=min(tmp,ans); } } cout<<ans<<endl; }
a.cc: In function 'int main()': a.cc:30:13: error: 'memset' was not declared in this scope 30 | memset(vis,0,sizeof vis); | ^~~~~~ a.cc:5:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>' 4 | #include <cmath> +++ |+#include <cstring> 5 | using namespace std; a.cc:40:13: error: 'memset' was not declared in this scope 40 | memset(vis,0,sizeof vis); | ^~~~~~ a.cc:40:13: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
s583083431
p04049
C++
#include<iostream> #include<vector> #include<algorithm> #using namespace std; struct Unionfind{ vector<int> par; Unionfind(int n):par(n){ for(int i=0;i<n;i++){ par[i]=i; } } /*int root(int x){ if(par[x]==x) return x; return par[x]=root(par[x]); }*/ int root(int x){ int p=x; //int q=n; int i=0; while(p!=par[p]){ //q=par[p]; p=par[p]; i++; } return par[x]; } int root_dist(int x){ int p=x; //int q=n; int i=0; while(p!=par[p]){ //q=par[p]; p=par[p]; i++; } return i; } void unite(int x,int y){ int rx=root(x); int ry=root(y); if(rx==ry) return; par(rx)=ry; } } int main(){ int n,k; Unionfind tree(n); int a,b; for(int i=0;i<n-1;i++){ cin>>a>>b; tree.unite(a-1, b-1); } vector<int> dist; int r=tree.root(n-1); for(int j=0;j<n;j++){ dist[j]=tree.root_dist(r); } sort(dist.begin(),dist.end()); int ans=dist[0]+dist[1]; cout<<ans<<endl; return 0; }
a.cc:4:2: error: invalid preprocessing directive #using 4 | #using namespace std; | ^~~~~ a.cc:7:3: error: 'vector' does not name a type 7 | vector<int> par; | ^~~~~~ a.cc:45:4: error: expected ';' after struct definition 45 | } | ^ | ; a.cc: In constructor 'Unionfind::Unionfind(int)': a.cc:8:20: error: class 'Unionfind' does not have any field named 'par' 8 | Unionfind(int n):par(n){ | ^~~ a.cc:10:7: error: 'par' was not declared in this scope; did you mean '__pstl::execution::v1::par'? 10 | par[i]=i; | ^~~ | __pstl::execution::v1::par In file included from /usr/include/c++/14/pstl/glue_algorithm_defs.h:15, from /usr/include/c++/14/algorithm:86, from a.cc:3: /usr/include/c++/14/pstl/execution_defs.h:43:45: note: '__pstl::execution::v1::par' declared here 43 | _GLIBCXX17_INLINE constexpr parallel_policy par{}; | ^~~ a.cc: In member function 'int Unionfind::root(int)': a.cc:21:16: error: 'par' was not declared in this scope; did you mean '__pstl::execution::v1::par'? 21 | while(p!=par[p]){ | ^~~ | __pstl::execution::v1::par /usr/include/c++/14/pstl/execution_defs.h:43:45: note: '__pstl::execution::v1::par' declared here 43 | _GLIBCXX17_INLINE constexpr parallel_policy par{}; | ^~~ a.cc:26:14: error: 'par' was not declared in this scope; did you mean '__pstl::execution::v1::par'? 26 | return par[x]; | ^~~ | __pstl::execution::v1::par /usr/include/c++/14/pstl/execution_defs.h:43:45: note: '__pstl::execution::v1::par' declared here 43 | _GLIBCXX17_INLINE constexpr parallel_policy par{}; | ^~~ a.cc: In member function 'int Unionfind::root_dist(int)': a.cc:32:16: error: 'par' was not declared in this scope; did you mean '__pstl::execution::v1::par'? 32 | while(p!=par[p]){ | ^~~ | __pstl::execution::v1::par /usr/include/c++/14/pstl/execution_defs.h:43:45: note: '__pstl::execution::v1::par' declared here 43 | _GLIBCXX17_INLINE constexpr parallel_policy par{}; | ^~~ a.cc: In member function 'void Unionfind::unite(int, int)': a.cc:43:9: error: 'par' was not declared in this scope; did you mean '__pstl::execution::v1::par'? 43 | par(rx)=ry; | ^~~ | __pstl::execution::v1::par /usr/include/c++/14/pstl/execution_defs.h:43:45: note: '__pstl::execution::v1::par' declared here 43 | _GLIBCXX17_INLINE constexpr parallel_policy par{}; | ^~~ a.cc: In function 'int main()': a.cc:51:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'? 51 | cin>>a>>b; | ^~~ | std::cin In file included from a.cc:1: /usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here 62 | extern istream cin; ///< Linked to standard input | ^~~ a.cc:54:3: error: 'vector' was not declared in this scope 54 | vector<int> dist; | ^~~~~~ a.cc:54:3: note: suggested alternatives: In file included from /usr/include/c++/14/vector:66, from a.cc:2: /usr/include/c++/14/bits/stl_vector.h:428:11: note: 'std::vector' 428 | class vector : protected _Vector_base<_Tp, _Alloc> | ^~~~~~ /usr/include/c++/14/vector:93:13: note: 'std::pmr::vector' 93 | using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>; | ^~~~~~ a.cc:54:10: error: expected primary-expression before 'int' 54 | vector<int> dist; | ^~~ a.cc:57:5: error: 'dist' was not declared in this scope 57 | dist[j]=tree.root_dist(r); | ^~~~ a.cc:59:8: error: 'dist' was not declared in this scope 59 | sort(dist.begin(),dist.end()); | ^~~~ a.cc:59:3: error: 'sort' was not declared in this scope; did you mean 'std::sort'? 59 | sort(dist.begin(),dist.end()); | ^~~~ | std::sort /usr/include/c++/14/pstl/glue_algorithm_defs.h:296:1: note: 'std::sort' declared here 296 | sort(_ExecutionPolicy&& __exec, _RandomAccessIterator __first, _RandomAccessIterator __last); | ^~~~ a.cc:61:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'? 61 | cout<<ans<<endl; | ^~~~ | std::cout /usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here 63 | extern ostream cout; ///< Linked to standard output | ^~~~ a.cc:61:14: error: 'endl' was not declared in this scope; did you mean 'std::endl'? 61 | cout<<ans<<endl; | ^~~~ | std::endl In file included from /usr/include/c++/14/iostream:41: /usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here 744 | endl(basic_ostream<_CharT, _Traits>& __os) | ^~~~
s761212225
p04049
C++
#include <bits/stdc++.h> using namespace std; int n,d,hed[2010],cnt,k,fa[2010],dep[2010],ans=2e9,book[2010]; struct node { int from,to,next; }a[100010]; void add(int from,int to) { a[cnt++].to=to; a[cnt].from=from; a[cnt].next=hed[from]; hed[from]=cnt; } void dfs(int x) { for(int i=hed[x];i;i=a[i].next) { int y=a[i].to; if(fa[x]==y||book[y]) continue; dep[y]=dep[x]+1; fa[y]=x; dfs(y); } } int main() { cin>>n>>k; cnt=1; for(int i=1;i<n;i++) { int ls,lss; cin>>ls>>lss; add(ls,lss); add(lss,ls); } if(k%2) { for(int i=2;i<=cnt;i++) { memset(fa,0,sizeof(fa)); memset(dep,0,sizeof(dep)); book[a[i].to]=1; dfs(a[i].from); int ji=0; for(int j=1;j<=n;j++) { if(dep[j]>k/2) j++i; } memset(fa,0,sizeof(fa)); memset(dep,0,sizeof(dep)); book[a[i].from]=1; book[a[i].to]=0; dfs(a[i].to); for(int j=1;j<=n;j++) { if(dep[j]>k/2) j++i; } book[a[i].from]=0; ans=min(ans,ji); } } else { for(int i=1;i<=n;i++) { memset(fa,0,sizeof(fa)); memset(dep,0,sizeof(dep)); dfs(i); int ji=0; for(int j=1;j<=n;j++) { if(dep[j]>k/2) ji++; } ans=min(ans,ji); } } cout<<ans; return 0; }
a.cc: In function 'int main()': a.cc:51:36: error: expected ';' before 'i' 51 | j++i; | ^ | ; a.cc:61:36: error: expected ';' before 'i' 61 | j++i; | ^ | ;
s135064672
p04049
C++
#include<iostream> #include<iomanip> #include<algorithm> #include<cstring> #include<string> #include<cmath> #include<vector> #include<queue> #include<deque> #include<stack> #include<map> #include<set> using namespace std; const int inf=2147483647,dx[]={-1,0,1,0},dy[]={0,-1,0,1};// 上 左 下 右 const int N=100005,M=1000005,mod=1000000007; const long long llinf=9223372036854775807ll; int n,k,d[2005],m,sum[2005],ans,ans2; pair<int,int> a[2005]; bool l[2005],u[2005]; int main(){ cin>>n>>k; for(int i=1;i<=n;i++) l[i]=true; while(cin>>a[++m].first>>a[m].second); for(int i=1;i<=m;i++) { l[a[i].first]=false; if(a[i].first==1) d[a[i].second]=2,sum[2]++; else d[a[i].second]=d[a[i].first]+1,sum[d[a[i].second]]++; } queue<int> q; while(!q.empty()) { q.push(x); for() } for() ans=99999; k/=2; for(int i=1;i<=n;i++) if(d[i]>k) ans2++; cout<<ans2; return 0; }
a.cc: In function 'int main()': a.cc:36:24: error: 'x' was not declared in this scope 36 | q.push(x); | ^ a.cc:37:21: error: expected primary-expression before ')' token 37 | for() | ^ a.cc:38:9: error: expected primary-expression before '}' token 38 | } | ^ a.cc:37:22: error: expected ';' before '}' token 37 | for() | ^ | ; 38 | } | ~ a.cc:38:9: error: expected primary-expression before '}' token 38 | } | ^ a.cc:37:22: error: expected ')' before '}' token 37 | for() | ~ ^ | ) 38 | } | ~ a.cc:38:9: error: expected primary-expression before '}' token 38 | } | ^ a.cc:39:13: error: expected primary-expression before ')' token 39 | for() | ^ a.cc:42:9: error: expected primary-expression before 'for' 42 | for(int i=1;i<=n;i++) | ^~~ a.cc:41:14: error: expected ')' before 'for' 41 | k/=2; | ^ | ) 42 | for(int i=1;i<=n;i++) | ~~~ a.cc:39:12: note: to match this '(' 39 | for() | ^
s272183171
p04049
C++
#include<iostream> #include<string> #include<algorithm> #include<vector> #include<queue> #include<map> #include<math.h> #include<iomanip> #include<set> #include<numeric> #include<cstring> #include<cstdio> #include<functional> #include<bitset> #define REP(i, n) for(int i = 0;i < n;i++) #define REPR(i, n) for(int i = n;i >= 0;i--) #define FOR(i, m, n) for(int i = m;i < n;i++) #define FORR(i, m, n) for(int i = m;i >= n;i--) #define SORT(v, n) sort(v, v+n); #define VSORT(v) sort(v.begin(), v.end()); #define REVERSE(v,n) reverse(v,v+n); #define VREVERSE(v) reverse(v.begin(), v.end()); #define ll long long #define pb(a) push_back(a) #define m0(x) memset(x,0,sizeof(x)) #define print(x) cout<<x<<endl; #define pe(x) cout<<x<<" "; #define lb(v,n) lower_bound(v.begin(), v.end(), n); #define ub(v,n) upper_bound(v.begin(), v.end(), n); #define int long long #define all(x) (x).begin(), (x).end() using namespace std; const int MAX = 1010; const int MOD = (ll)1000000000 + 7; const ll INF = 1e17; const double pi = acos(-1); const double EPS = 1e-10; template<typename T> using min_priority_queue = priority_queue<T, vector<T>, greater<T>>; typedef pair<int, int>P; int dx[4] = { 1,0,-1,0 };//D,R,U,L int dy[4] = { 0,1,0,-1 }; const int MAX_N = 1 << 17; const int MAX_V = 2020; int n, dat[2 * MAX_N - 1]; int id[MAX_V]; void init2(int n_) { n = 1; while (n < n_)n *= 2; for (int i = 0; i < 2 * n - 1; i++)dat[i] = INT_MAX; } void update(int k, int a) { k += n + 1; dat[k] = a; while (k > 0) { k = (k - 1) / 2; dat[k] = min(dat[k * 2 + 1], dat[k * 2 + 2]); } } void rmq_init(int depth[], int n) { init2(n); REP(i, n) { update(i, depth[i]); } } int query(int a, int b, int k, int l, int r) { if (r <= a || b <= l)return INT_MAX; if (a <= l && r <= b)return dat[k]; else { int vl = query(a, b, k * 2 + 1, l, (l + r) / 2); int vr = query(a, b, k * 2 + 2, (l + r) / 2, r); return min(vl, vr); } } vector<int>G[MAX_V]; int root; int vs[MAX_V * 2 - 1]; int depth[MAX_V * 2 - 1]; int V; void dfs(int v, int p, int d, int &k) { id[v] = k; vs[k] = v; depth[k++] = d; for (int i = 0; i < G[v].size(); i++) { if (G[v][i] != p) { dfs(G[v][i], v, d + 1, k); vs[k] = v; depth[k++] = d; } } } void init(int V) { int k = 0; dfs(root, -1, 0, k); rmq_init(depth, V * 2 - 1); } int lca(int u, int v) { return vs[query(min(id[u], id[v]), max(id[u], id[v]) + 1, (ll)0, (ll)0, 2*V-1)]; } int dist(int a, int b) { int par = lca(a, b); return depth[id[a]] + depth[id[b]] - 2 * depth[id[par]]; } int A[2020], B[2020]; signed main() { int N, K; cin >> N >> K; V = N; root = 0; //G[0].pb(1); G[1].pb(0); REP(i, N-1) { int a, b; cin >> a >> b; a--, b--; A[i] = a, B[i] = b; G[a].pb(b); G[b].pb(a); } init(N); int ans = INF; if (K % 2 == 0) { REP(i, N) { pe(i); int res = 0; REP(j, N) { if (j == i)continue; if (dist(i, j) > K / 2)res++; } ans = min(ans, res); print(res); } } else { REP(i, N - 1) { int res = 0; pe(i); int l = A[i], r = B[i]; REP(j, N) { if (j == l || j == r)continue; int d = min(dist(l, j), dist(r, j)); if (d > (K - 1) / 2)res++; } print(res); ans = min(ans, res); } } print(ans); int x, y; cin >> x >> y; x--, y--; print(lca(x, y)); print(dist(x, y)); }
a.cc: In function 'void init2(long long int)': a.cc:55:53: error: 'INT_MAX' was not declared in this scope 55 | for (int i = 0; i < 2 * n - 1; i++)dat[i] = INT_MAX; | ^~~~~~~ a.cc:15:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>' 14 | #include<bitset> +++ |+#include <climits> 15 | a.cc: In function 'long long int query(long long int, long long int, long long int, long long int, long long int)': a.cc:75:37: error: 'INT_MAX' was not declared in this scope 75 | if (r <= a || b <= l)return INT_MAX; | ^~~~~~~ a.cc:75:37: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
s734993467
p04049
C++
#include<iostream> #include<algorithm> #include<vector> using namespace std; const double pi=acos(-1); const int dx[]={0,1,0,-1}; const int dy[]={1,0,-1,0}; #define ll long long #define inf int(1e9+7) #define pb push_back #define mp make_pair int n,k; vector<int>g[2005]; int dfs(int x,int p,int deepth,int mx) { int ans=1; if(deepth!=mx) { for(int i=0;i<g[x].size();i++) if(i!=p) ans+=dfs(i,x,deepth+1,mx); } return ans; } int main() { cin>>n>>k; for(int i=0;i<n-1;i++) { int x,y; cin>>x>>y; g[x].pb(y); g[y].pb(x); } int ans=0; if(k%2==0) for(int i=1;i<=n;i++) ans=max(ans,dfs(i,-1,0,k/2)); else { for(int i=1;i<=n;i++) for(int j=0;j<g[i].size();j++) ans=max(ans,dfs(i,g[i][j],0,k/2)+dfs(g[i][j],i,0,k/2)); } cout<<n-ans; return 0; }
a.cc:5:17: error: 'acos' was not declared in this scope 5 | const double pi=acos(-1); | ^~~~