criyle/codenet-compile-errors huggingface dataset:
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define REP(i,n) for (int i = 0; i < n; ++ i)
#define FOR(i,a,b) for (int i = a; i <= b; ++ i)
#define FORD(i,b,a) for (int i = b; i >= a; -- i)
#define debug(x) cerr << #x << ": " << x << "\n"
#define task "0"
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef pair<ll, int> li;
typedef vector<int> vi;

const int N = 2e3 + 5;
int n, k, q, a[N], res;
vi tmp1, tmp2, v;
void trans() {
	if ((int) tmp1.size() >= k) {
		sort(tmp1.begin(), tmp1.end());
		REP(i, (int) tmp1.size() - k + 1) tmp2.pb(tmp1[i]);
	}
	tmp1.clear();
}
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	//freopen(task".inp", "r", stdin);
	//freopen(task".out", "w", stdout);
	cin >> n >> k >> q;
	FOR(i, 1, n) {
		cin >> a[i];
		v.pb(a[i]);
	}
	sort(v.begin(), v.end());
	res = v.back() - v[0];

	REP(i, n) if (i == 0 || v[i] != v[i-1]) {
		int bound = v[i];

		tmp1.clear(); tmp2.clear();
		FOR(j, 1, n) {
			if (a[j] >= bound) tmp1.push_back(a[j]);
			else trans();
		}
		trans();

		if ((int) tmp2.size() >= q) {
			sort(tmp.begin(), tmp.end());
			res = min(res, tmp2[q-1] - tmp2[0]);
		} else break;
	}
	cout << res;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:53:30: error: 'tmp' was not declared in this scope; did you mean 'tmp2'?
   53 |                         sort(tmp.begin(), tmp.end());
      |                              ^~~
      |                              tmp2
Language: C++

#include <bits/stdc++.h>
#define FI first
#define SE second
#define VE vector<int>
#define PB push_back
#define PA pair<int,int>
#define MA make_pair
#define LLI long long int
#define FOR(i,a,b) for(int i=a;i<b;i++)
#define ROF(i,a,b) for(int i=b-1;i>=a;i--)
#define YES(i) cout<<(i?"YES":"NO")<<endl
#define Yes(i) cout<<(i?"Yes":"No")<<endl
#define POS(i) cout<<(i?"POSSIBLE":"IMPOSSIBLE")<<endl
#define Pos(i) cout<<(i?"Possible":"Impossible")<<endl
#define fcout cout<<fixed<<setprecision(10)
using namespace std;
//
const int INF=1e9+7;
const int MOD=1e9+7;
//
int n,k,q;
int a[2000];

//最小値m以上,最大値M以下にできるか?
bool solve(int m,int M){
	int s=0,t=0;
	FOR(i,0,n){
		if(a[i]<m||a[i]>M){
			t+=max(0,s-k+1);
			s=0;
		}else{
			s++;
		}
	}
	t+=max(0,s-k+1);
	return t>=q;
}

こんな感じなのはわかるんだけど
int main(){
	cin>>n>>k>>q;
	int ans=INF;
	FOR(i,0,n){
		cin>>a[i];
	}
	int A,B;
	FOR(i,0,n){
		int st=0,en=INF;
		while(st+1<en){
			int mid=(st+en)/2;
			if(solve(a[i],mid)){
				en=mid;
			}else{
				st=mid;
			}
		}
		if(ans>st-a[i]){
			A=a[i];
			B=st;
			ans=st-a[i];
		}
		//ans=min(ans,st-a[i]);
	}
	cout<<ans<<endl;
	cout<<A<<" "<<B<<endl;
}


Compiler output:
a.cc:39:1: error: '\U00003053\U00003093\U0000306a\U0000611f\U00003058\U0000306a\U0000306e\U0000306f\U0000308f\U0000304b\U0000308b\U00003093\U00003060\U00003051\U00003069' does not name a type
   39 | こんな感じなのはわかるんだけど
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

int n, q, k, a[2002], y, sol;

int main()
{
  sol = 2000000000;
  cin >> n >> k >> q;
  for (int i = 1; i <= n; i++)
    cin >> a[i];
  for (int i = 1; i <= n; i++) {
    int x = a[i];
    vector<vector<int> >v;
    for (int j = 1; j <= n; j++) {
      if (a[j] < x) continue;
      vector<int>s;
      while (j <= n && a[j] >= x) {
        s.push_back(a[j]);
        j++;
      }
      sort (s.begin(), s.end());
      if (s.size() >= k)
        v.push_back(s);
    }
    priority_queue<pair<int, int>,  vector<pair<int, int>, greater<pair<int, int> >pq;
    int poz[2002];
    memset(poz, 0, sizeof(poz));
    for (int j = 0; j < v.size(); j++) {
      pq.push({v[j][0], j});
    }
    bool ok = 1;
    for (int j = 1; j <= q; j++) {
      if (pq.empty()) {ok = 0; break;}
      else {
        int p = pq.top().second;
        y = pq.top().first;
        pq.pop();
        if (v[p].size() - poz[p] - 1 >= k) {
          poz[p]++;
          pq.push({v[p][poz[p]], p});
        }
      }
    }
    if (ok)
      sol = min(sol, y - x);
  }
  cout << sol;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:27:84: error: template argument 2 is invalid
   27 |     priority_queue<pair<int, int>,  vector<pair<int, int>, greater<pair<int, int> >pq;
      |                                                                                    ^~
a.cc:27:37: error: template argument 2 is invalid
   27 |     priority_queue<pair<int, int>,  vector<pair<int, int>, greater<pair<int, int> >pq;
      |                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:27:37: error: template argument 3 is invalid
a.cc:31:7: error: 'pq' was not declared in this scope; did you mean 'q'?
   31 |       pq.push({v[j][0], j});
      |       ^~
      |       q
a.cc:35:11: error: 'pq' was not declared in this scope; did you mean 'q'?
   35 |       if (pq.empty()) {ok = 0; break;}
      |           ^~
      |           q
Language: C++

//#pragma comment(linker,"/STACK:102400000,102400000")
//#include <initializer_list>
#include <fstream>
#include <iostream>
#include <functional>
#include <algorithm>
#include <sstream>
#include <cstring>
#include <vector>
#include <string>
#include <cstdio>
#include <cmath>
#include <queue>
#include <stack>
#include <deque>
#include <ctime>
#include <list>
#include <set>
#include <map>
#include <bitset>
#include <cassert>
//#include <unordered_map>
//#include <unordered_set>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
#define eps 1e-8
#define LL_INF 0x3fffffffffffffff
#define INF 0x3f3f3f3f
#define mem(a, b) memset(a, b, sizeof(a))
#define pper(i,n,m) for(int i = n;i >= m; i--)
#define repp(i, n, m) for (int i = n; i <= m; i++)
#define rep(i, n, m) for (int i = n; i < m; i++)
#define sa(n) scanf("%d", &(n))
#define slla(n) scanf("%lld", &(n))
#define mp make_pair
#define ff first
#define ss second
#define pb push_back
#define DE(val) cout<<#val<<": "<<val<<endl;
#define CASET int ___T, case_n = 1; scanf("%d ", &___T); repp(i,1,___T)

const int dx44[5] = { 0,-1,-1,1,1 };
const int dy44[5] = { 0,-1,1,-1,1 };

const int dx4[5] = { 0,-1,0,1,0 };
const int dy4[5] = { 0,0,1,0,-1 };
const int dx8[9] = { 0,-1,0,1,0,1,1,-1,-1 };
const int dy8[9] = { 0,0,1,0,-1,1,-1,1,-1 };
const int dx82[9] = { 0,-1,-1,1,1, 2,2,-2,-2 };
const int dy82[9] = { 0,2,-2,2,-2, 1,-1,1,-1 };
const int maxn = 2e3 + 50;
const double PI = acos(-1.0);
const ll mod = 1e9 + 7;

ll po(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) { if (a == 0) { return b; } else { return gcd(b%a, a); } }
void extgcd(ll a,ll b,ll& d,ll& x,ll& y){ if(!b){ d=a; x=1; y=0;} else{ extgcd(b,a%b,d,y,x); y-=x*(a/b); }}
ll inverse(ll a,ll n){ ll d,x,y;extgcd(a,n,d,x,y);return d==1?(x+n)%n:-1;}

void YES() { puts("YES"); exit(0); }
void Yes() { puts("Yes");}// exit(0); }
void NO() { puts("NO"); exit(0); }
void No() { puts("No");}// exit(0); }
void one() { puts("-1"); exit(0); }

ll n,k,q;
ll ans;
ll val[maxn];

void cal(int t) {
	int x = val[t];
	priority_queue<int>que;
	vector<int>v;
	repp(i,1,n) {
		if(val[i]>=x) {
			que.push(-val[i]);
		} else {
			while(!que.empty()) {
				if(que.size()>=k) {
					v.push_back(-que.top());
				}
				que.pop();
			}
		}
	}
	while(!que.empty()) {
		if(que.size()>=k) {
			v.push_back(-que.top());
		}
		que.pop();
	}
	sort(v.begin(),v.end());
	if(v.size()>=q)
		ans = min(ans,1LL*(v[q-1]-x));
}

void solve() {
	scanf("%lld%lld%lld",&n,&k,&q);
	repp(i,1,n) {
		scanf("%lld",&val[i]);
	}

	ans = INT_MAX;
	repp(i,1,n){
		cal(i);
	}

	printf("%lld\n",ans);
}

int main()
{

    int t;
	//sa(t);
	t = 1;
	repp(i,1,t) {

		solve();	
	}
    // system("pause");
    return 0;
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:105:15: error: 'INT_MAX' was not declared in this scope
  105 |         ans = INT_MAX;
      |               ^~~~~~~
a.cc:22:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   21 | #include <cassert>
  +++ |+#include <climits>
   22 | //#include <unordered_map>
Language: C++

#include <bits/stdc++.h>
#define ll int
typedef long long ll;
using namespace std;
ll n , k , q;
ll a[2002];
const ll inf = 1e9;
bool take[2002];
ll solve(ll x)
{
        for(ll i=1;i<=n;i++) {
                if(a[i] < x) take[i] = false;
                else take[i] = true;
        }
        vector<ll> t;
        for(ll i=1;i<=n;i++) {
                if(take[i] == false) continue;
                ll j = i;
                while(j <= n && take[j] == true) j++;
                vector<ll> v;
                for(ll p = i ; p < j ; p++) v.pb(a[p]);
                ll sz = v.size();
                if(sz - k + 1 <= 0) continue;
                sort(v.begin() , v.end());
                for(ll p=0;p < sz-k+1 ; p++) t.pb(v[p]);
                i = j-1;
        }
        sort(t.begin() , t.end());
        if(t.size() < q) return inf;
        return t[q-1] - t[0];
}
int main()
{
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
        cout.tie(NULL);
        cin >> n >> k >> q;
        for(ll i = 1 ; i <= n ; i++) {
                cin >> a[i];

        }
        ll ans = inf;
        for(ll i=1;i<=n;i++) {
                //cout << solve(a[i]) << endl;
                ans = min(ans , solve(a[i]));
        }
        cout << ans << endl;
        return 0;
}


Compiler output:
a.cc:2:12: error: declaration does not declare anything [-fpermissive]
    2 | #define ll int
      |            ^~~
a.cc:3:19: note: in expansion of macro 'll'
    3 | typedef long long ll;
      |                   ^~
a.cc: In function 'int solve(int)':
a.cc:21:47: error: 'class std::vector<int>' has no member named 'pb'
   21 |                 for(ll p = i ; p < j ; p++) v.pb(a[p]);
      |                                               ^~
a.cc:25:48: error: 'class std::vector<int>' has no member named 'pb'
   25 |                 for(ll p=0;p < sz-k+1 ; p++) t.pb(v[p]);
      |                                                ^~
Language: C++

#include	<iostream>
#include	<vector>
#include	<sstream>
#include	<iomanip>
using namespace std;

void
Main() {
	int	N;	cin >> N;
	int	K;	cin >> K;
	int	Q;	cin >> Q;

	long long	A[ N ];
	long long	wSorted[ N ];
	for ( auto i = 0; i < N; i++ ) {
		cin >> A[ i ];
		wSorted[ i ] = A[ i ];
	}

	sort( wSorted, wSorted + N );
	long long v = 1e10;

	for ( auto i = 0; i < N; i++ ) {
		vector< long long > wCandidate;
		vector< long long > wCurrent;
		for ( auto j = 0; j <= N; j++ ) {
			if ( j == N || A[ j ] < A[ i ] ) {
				sort( wCurrent.begin(), wCurrent.end() );
				if ( wCurrent.size() >= K ) wCandidate.insert( wCandidate.end(), wCurrent.begin(), wCurrent.end() - K + 1 );
				wCurrent.clear();
			} else {
				wCurrent.emplace_back( A[ j ] );
			}
		}
		sort( wCandidate.begin(), wCandidate.end() );
		if ( wCandidate.size() >= Q ) v = min( v, wCandidate[ Q - 1 ] - A[ i ] );
	}
	cout << v << endl;
}

int
main() {
	Main();
	return 0;
}


Compiler output:
a.cc: In function 'void Main()':
a.cc:20:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   20 |         sort( wSorted, wSorted + N );
      |         ^~~~
      |         short
Language: Java

import java.awt.Checkbox;
import java.lang.invoke.ConstantCallSite;
import java.security.spec.ECPrivateKeySpec;
import java.util.Arrays;
import java.util.Scanner;

public class main2{
	static int a[], b[];
	static int N, K, Q;
	public static boolean check(int low, int high) {
		int last = -1;
		int total = 0;
		int cnt = 0;
		for (int i = 0; i <= N; i++) {
			if (i == N || a[i] < low) {
				///last + 1 -> i - 1 is okay
				total += Math.min(cnt, Math.max(0, (i - 1 - (last + 1) + 1) - K + 1));
				last = i;
				cnt = 0;
			} else 
			if (a[i] >= low && a[i] <= high) cnt++;
		}
		if (total >= Q) return true; else 
		return false;
	}
	
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		N = in.nextInt(); K = in.nextInt(); Q = in.nextInt();
		a = new int[N];
		for (int i = 0; i < N; i++) a[i] = in.nextInt();
		
		b = new int[N];
		for (int i = 0; i < N; i++) b[i] = a[i];
		Arrays.sort(b);
		//for (int i = 0; i < N; i++) System.out.print(b[i] + " "); System.out.println("");
		//System.out.println(check(1, 2));
		
		int result = (int)1e9;
		
		for (int i = 0; i < N; i++) {
			int low = i, high = N - 1, res = N;
			while (low <= high) {
				int mid = (low + high) >> 1;
				if (check(b[i], b[mid])) {
					res = mid;
					high = mid - 1;
				} else low = mid + 1;
			}
			if (res >= i && res < N) {
				result = Math.min(result, b[res] - b[i]);
			}
		}
		
		System.out.println(result);
	}
}

Compiler output:
Main.java:7: error: class main2 is public, should be declared in a file named main2.java
public class main2{
       ^
1 error
Language: C++

// Reads multiple ints in a line, separate by a space.
// It works even if the actual number of ints is smaller than n.
// WARNING: This function does not work for -2^31.
// NOTE: This function does not handle error cases.
fun fastReadInts(n: Int): IntArray {
  val xs = IntArray(n)
  val s = readLine()!!
  var currentValue = 0
  var isNegative = false
  var currentIndex = 0
  for (c in s) {
    if (c == ' ') {
      xs[currentIndex] = currentValue * if (isNegative) -1 else 1
      currentValue = 0
      isNegative = false
      currentIndex++
    } else if (c == '-') {
      isNegative = true
    } else {
      currentValue *= 10
      currentValue += c - '0'
    }
  }
  xs[currentIndex] = currentValue * if (isNegative) -1 else 1
  return xs
}

class IntMutableList {
  private val initialCapacity = 10
  private var innerArray = IntArray(initialCapacity)
  var size = 0
    private set

  fun add(x: Int) {
    if (size == innerArray.size) {
      innerArray = innerArray.copyOf(innerArray.size * 2)
    }
    innerArray[size] = x
    size++
  }

  fun toIntArray(): IntArray = innerArray.copyOfRange(0, size)
}

fun main(args: Array<String>) {
  val (n, k, q) = fastReadInts(3)
  val xs = fastReadInts(n)

  var ans = Int.MAX_VALUE

  // Define here for performance.
  val forbidden = BooleanArray(n)
  for (l in xs) {
    forbidden.fill(false)

    for (i in 0 until n) {
      if (xs[i] < l) {
        forbidden[i] = true
      }
    }

    val mutCandidates = IntMutableList()
    var s = 0
    while (s < n) {
      if (forbidden[s]) {
        s++
      } else {
        var t = s
        while (t + 1 < n && !forbidden[t + 1]) {
          t++
        }
        // xs[s]..xs[t] is a valid range.
        val segmentLength = t - s + 1
        if (segmentLength >= k) {
          val segmentValues = mutableListOf<Int>()
          for (i in s..t) {
            segmentValues.add(xs[i])
          }
          segmentValues.sort()
          for (i in 0 until segmentLength - k + 1) {
            mutCandidates.add(segmentValues[i])
          }
        }
        s = t + 1
      }
    }

    if (mutCandidates.size < q) continue

    val candidates = mutCandidates.toIntArray()
    candidates.sort()
    val u = candidates[q - 1]
    ans = Math.min(u - l, ans)
  }
  println(ans)
}


Compiler output:
a.cc:5:1: error: 'fun' does not name a type
    5 | fun fastReadInts(n: Int): IntArray {
      | ^~~
a.cc:29:10: error: expected ':' before 'val'
   29 |   private val initialCapacity = 10
      |          ^~~~
      |          :
a.cc:29:11: error: 'val' does not name a type
   29 |   private val initialCapacity = 10
      |           ^~~
a.cc:42:3: error: 'fun' does not name a type
   42 |   fun toIntArray(): IntArray = innerArray.copyOfRange(0, size)
      |   ^~~
a.cc:45:5: error: expected initializer before 'main'
   45 | fun main(args: Array<String>) {
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i,a,b)	for(int i=a;i<=b;i++)
using namespace std;
const int N=2e3+5;
int n,k,Q,a[N],b[N];
priority_queue<int> q,p;
vector<int> v;
bool check(int pos)
{
	int mn=a[pos];
	for(int i=pos-k+1;i<=pos;i++)
		if(f[i][k]==mn)
			return true;
	return false;
}
void update()
{
	while(!q.empty())
	{	
		if(q.size()>=k)
			v.push_back(-q.top());
		q.pop();
	}
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin>>n>>k>>Q; 
	for(int i=1;i<=n;i++)	cin>>a[i];
	for(int i=1;i<=n;i++)
	{
		f[i][1]=a[i];
		for(int j=i+1;j<=n;j++)
			f[i][j-i+1]=min(f[i][j-i],a[j]);
	}
	int res=2e9;
	for(int i=1;i<=n;i++)
	{
		if(!check(i))	continue;
		int mn=a[i];
		for(int j=1;j<=n;j++)
		{
			if(j==i)	continue;
			if(a[j]>=mn)
				q.push(-a[j]);
			else
				update();	
		}
		update();
		sort(v.begin(),v.end());
		if(v.size()>=Q-1)
			res=min(res,v[Q-2]-mn);
		v.clear();
	}
	cout<<res<<'\n';
	return 0;
} 

Compiler output:
a.cc: In function 'bool check(int)':
a.cc:12:20: error: 'f' was not declared in this scope
   12 |                 if(f[i][k]==mn)
      |                    ^
a.cc: In function 'int main()':
a.cc:33:17: error: 'f' was not declared in this scope
   33 |                 f[i][1]=a[i];
      |                 ^
Language: C++

#include <iostream>
#include <vector>
#include <cmath>
using namespace std;

const int INF = 0x3f3f3f3f;
vector<int> v;

signed main()
{
	int N, K, Q;
	cin >> N >> K >> Q;
	for (int i = 0; i < N; ++i) {
		int X;
		cin >> X;
		v.push_back(X);
	}
	
	int mn = INF;
	for (int lower: v) {
		//cout << "lower: " << lower << endl;
		int L = -1;
		vector<int> removed;
		for (int R = 0; R < N; ++R) {
			if (R+1 == N || v[R+1] < lower) {
				if (L != -1) {
					//cout << L << " " << R << endl;
					vector<int> sorted;
					for (int i = L; i <= R; ++i) {//speedup
						sorted.push_back(v[i]);
					}
					sort(sorted.begin(), sorted.end());
					for (int i = 0; i < (int)sorted.size()-K+1; ++i) {
						removed.push_back(sorted[i]);
					}
				}
				L = -1;
			} else if (L == -1) {
				if (R == 0 && v[R] >= lower)
					L = 0;
				else 
					L = R+1;
			}
		}
		if ((int)removed.size() >= Q) {
			sort(removed.begin(), removed.end());
			mn = min(mn, removed[Q-1]-lower);
		}
	}
	cout << mn << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:32:41: error: 'sort' was not declared in this scope; did you mean 'sqrt'?
   32 |                                         sort(sorted.begin(), sorted.end());
      |                                         ^~~~
      |                                         sqrt
a.cc:46:25: error: 'sort' was not declared in this scope; did you mean 'sqrt'?
   46 |                         sort(removed.begin(), removed.end());
      |                         ^~~~
      |                         sqrt
Language: C++

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int INF = 1000000010;

int main(){
  cin.tie(0);
  ios_base::sync_with_stdio(false);
  int N, K, Q; cin >> N >> K >> Q;
  int A[N];
  for(int i=0;i<N;i++) cin >> A[i];
  vector<int> V;
  for(int i=0;i<N-K;i++){
    int mina = INF;
    for(int j=i;j<=i+K;j++){
      mina = min(mina, A[i]);
    }
    V.push_back(mina);
  }
  sort(V.begin(), V.end());
  int minans = INF;
  for(int i=0;i<mina.size();i++){
    for(int j=i+Q;j<mina.size();j++){
      minans = min(minans, V[j] - V[i]);
    }
  }
  cout << minans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:17: error: 'mina' was not declared in this scope; did you mean 'minans'?
   25 |   for(int i=0;i<mina.size();i++){
      |                 ^~~~
      |                 minans
Language: C++

#include <iostream>
#include <climits>
#include <stack>
#include <queue>
#include <string>
#include <set>
#include <map>
#include <math.h>
#include <algorithm>
#include <vector>
 
using namespace std;
 
typedef long long ll;
 
typedef pair<ll,ll> P;
long long int INF = 1e18;
double Pi = 3.141592653589;
const int mod = 1000000007;
// memset(a,0,sizeof(a)); →全部０にする
 
vector<int> G[100005];
std::vector<P> tree[100010];
 
int dx[8]={1,0,-1,0,1,1,-1,-1};
int dy[8]={0,1,0,-1,1,-1,-1,1};
 
#define p(x) cout<<x<<endl;
#define el cout<<endl;
#define pe(x) cout<<x<<" ";
#define re(i,a,b) for(i=a;i<=b;i++)
 
ll i,j,k,l,ii,jj;
ll n,m,q;
ll a[300005],b[300005];
ll x,y,look,ans=0,num;
bool flag;
char s[300005];
ll e,w,ee,ww;

bool xor(ll x,ll y){
	bool xxx=true;
	for(j=20;j>=0;j--){
		if((x & 1<<j) && (y & 1<<j)){
			xxx=false;
		}
	}
	return xxx;
}



int main(){
	cin>>n>>k>>q;
	for(i=0;i<n;i++){
		cin>>a[i];
	}
	sort(a,a+n);
	p(a[q-1]-a[0]);
}

Compiler output:
a.cc:41:6: error: expected unqualified-id before 'xor' token
   41 | bool xor(ll x,ll y){
      |      ^~~
Language: C++

#include <algorithm>
#include <cassert>
#include <cfloat>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <deque>
#include <iostream>
#include <limits>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <vector>
 
#define FOR(i,k,n) for (int (i)=(k); (i)<(n); ++(i))
#define rep(i,n) FOR(i,0,n)
#define all(v) begin(v), end(v)
#define //debug(x) cerr<< #x <<": "<<x<<endl
#define debug2(x,y) cerr<< #x <<": "<< x <<", "<< #y <<": "<< y <<endl
 
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vector<int> > vvi;
typedef vector<ll> vll;
typedef vector<vector<ll> > vvll;
typedef deque<bool> db;
template<class T> using vv=vector<vector< T > >;

// cout vector
template<typename T> ostream& operator<<(ostream& s, const vector<T>& v) {
  int len = v.size(); s << "\n";
  for (int i = 0; i < len; ++i) {
    s << v[i]; if (i < len - 1) s << "\t";
  }
  s << "\n"; return s;
}

// cout 2-dimentional vector
template<typename T> ostream& operator<<(ostream& s, const vector< vector<T> >& vv) {
  int len = vv.size();
  for (int i = 0; i < len; ++i) { s << vv[i]; }
  return s;
}

int n, k, q;

vvi b;

bool possible(int mid) {
  vi lis(mid+2);
  rep (i, mid) {
    lis[i] = b[i][1];
  }
  lis[mid] = -1;
  lis[mid+1] = n;
  sort(all(lis));
  int cnt = 0;
  debug(lis);
  rep (i, mid+1) {
    int d = lis[i+1] - lis[i] - 1;
    debug(d);
    cnt += max(0, d - k + 1);
  }
  if (cnt >= q) {
    return true;
  } else {
    return false;
  }
}

int main() {
  scanf("%d %d %d", &n, &k, &q);
  vi a(n);
  rep (i, n) {
    scanf("%d", &a[i]);
  }
  b.assign(n, vi(2));
  rep (i, n) {
    b[i][0] = a[i];
    b[i][1] = i;
  }
  sort(all(b));

  int l = 0; // possible
  int r = n-1; // impossible
  while (r - l > 1) {
    int mid = (l + r) / 2;
    if (possible(mid)) {
      l = mid;
    } else {
      r = mid;
    }
  }
  int ans = 1e9;
  debug(b);
  debug(l);
  debug(r);
  rep (i, r) {
    ans = min(ans, b[i + q - 1][0] - b[i][0]);
  }
  printf("%d\n", ans);

  return 0;
}


Compiler output:
a.cc:23:45: error: no macro name given in #define directive
   23 | #define //debug(x) cerr<< #x <<": "<<x<<endl
      |                                             ^
a.cc: In function 'bool possible(int)':
a.cc:65:3: error: 'debug' was not declared in this scope; did you mean 'debug2'?
   65 |   debug(lis);
      |   ^~~~~
      |   debug2
a.cc: In function 'int main()':
a.cc:102:3: error: 'debug' was not declared in this scope; did you mean 'debug2'?
  102 |   debug(b);
      |   ^~~~~
      |   debug2
Language: C++

#include <iostream>
#include <vector>

using namespace std;

int main() {
  int n, k, q;
  cin >> n >> k >> q;
  vector<int> a(n);
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }
  sort(a.begin(), a.end());
  cout << a[q - 1] - a[0];
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   13 |   sort(a.begin(), a.end());
      |   ^~~~
      |   short
Language: C++

#include <iostream>
#include <vector>
#include <string>

using namespace std;

typedef long long li;

int main() {
    li n, k, q;
    cin >> n >> k >> q;

    vector<li> xs(n);
    for (int i = 0; i < n; ++i) {
        cin >> xs[i];
    }

    li ans = *max_element(xs.begin(), xs.end()) - *min_element(xs.begin(), xs.end());

    for (int i = 0; i < n; ++i) {
        vector<li> imp(n + 1);
        for (int j = 0; j < n; ++j) {
            if (xs[j] < xs[i]) {
                imp[max(0LL, j - k + 1)] += 1;
                imp[min(n, j + k - 1)] -= 1;
            }
        }
        for (int j = 0; j < n; ++j) {
            imp[j + 1] += imp[j];
        }
        vector<li> ok;
        for (int j = 0; j < n; ++j) {
            if (!imp[j]) {
                ok.push_back(xs[j]);
            }
        }
        if (ok.size() < q) {
            continue;
        }
        sort(ok.begin(), ok.end());
        ans = min(ans, ok[q - 1] - ok[0]);
    }

    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:15: error: 'max_element' was not declared in this scope
   18 |     li ans = *max_element(xs.begin(), xs.end()) - *min_element(xs.begin(), xs.end());
      |               ^~~~~~~~~~~
a.cc:18:52: error: 'min_element' was not declared in this scope
   18 |     li ans = *max_element(xs.begin(), xs.end()) - *min_element(xs.begin(), xs.end());
      |                                                    ^~~~~~~~~~~
a.cc:40:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   40 |         sort(ok.begin(), ok.end());
      |         ^~~~
      |         short
Language: C++

#include <stdio.h>
#include <utility>
#include <algorithm>

typedef std::pair<int,int> pii;

int n,k,q;

int a[2005];
bool rem[2005];

pii bottoms[2005];

std::vector<int> choices;
std::vector<int> subseq;
int lo;

int ans=0x3f3f3f3f;

int main()
{
    #ifdef NOT_DMOJ
    freopen("data.txt","r",stdin);
    #endif // NOT_DMOJ
    scanf("%d%d%d",&n,&k,&q);
    for (int i=0; i<n; i++) {
        scanf("%d",a+i);
        bottoms[i]={a[i],i};
    }
    std::sort(bottoms,bottoms+n);
    rem[n]=1;
    for (int i=0; i<n; i++) {
        // do current position
        choices.clear();
        lo=0;
        for (int j=0; j<=n; j++) {
            if (rem[j]) {
                if (j-lo>=k) {
                    subseq.clear();
                    for (int kk=lo; kk<j; kk++) {
                        subseq.push_back(a[kk]);
                    }
                    std::sort(subseq.begin(),subseq.end());
                    for (int kk=0; kk<=(j-lo)-k; kk++) choices.push_back(subseq[kk]);
                }
                lo=j+1;
            }
        }
        if (choices.size()<q) break;
        std::sort(choices.begin(),choices.end());
        if (ans>choices[q-1]-choices[0]) {
            ans=choices[q-1]-choices[0];
        }
        // remove next bottom element
        rem[bottoms[i].second]=1;
    }
    printf("%d\n",ans);
}


Compiler output:
a.cc:14:6: error: 'vector' in namespace 'std' does not name a template type
   14 | std::vector<int> choices;
      |      ^~~~~~
a.cc:4:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    3 | #include <algorithm>
  +++ |+#include <vector>
    4 | 
a.cc:15:6: error: 'vector' in namespace 'std' does not name a template type
   15 | std::vector<int> subseq;
      |      ^~~~~~
a.cc:15:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
   15 | std::vector<int> subseq;
      | ^~~
a.cc: In function 'int main()':
a.cc:34:9: error: 'choices' was not declared in this scope
   34 |         choices.clear();
      |         ^~~~~~~
a.cc:39:21: error: 'subseq' was not declared in this scope
   39 |                     subseq.clear();
      |                     ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<ll,ll> P;

#define fr first
#define sc second

template <int N = 100010>
struct UF{
	int par[N],r[N];
	ll sum[N];
	priority_queue<P> *que[N];
	UF(){
		for(int i = 0 ; i < N ; i ++){
			par[i] = i;
			r[i] = 0;
			sum[i] = 0;
			que[i] = new priority_queue<P>;
		}
	}
	void init(){
		for(int i = 0 ; i < N ; i ++){
			par[i] = i;
			r[i] = 0;
			sum[i] = 0;
			if(que[i] != nullptr)delete que[i];
			que[i] = new priority_queue<P>;
		}
	}
	int find(int x){
		if(par[x] == x)return x;
		return par[x] = find(par[x]);
	}
	bool same(int x,int y){
		return find(x) == find(y);
	}
	void unit_(int x,int y){
		par[x] = y;
		sum[y] += sum[x];
		if(que[x]->size() < que[y]->size()){
			while(!que[x]->empty()){
				P p = que[x]->top(); que[x]->pop();
				que[y]->push(p);
			}
			delete que[x];
			que[x] = nullptr;
		}
		else {
			while(!que[y]->empty()){
				P p = que[y]->top(); que[y]->pop();
				que[x]->push(p);
			}
			delete que[y];
			que[y] = que[x];
			que[x] = nullptr;
		}
		if(r[x] == r[y])r[y] ++;
	}
	void unit(int x,int y){
		if(same(x,y))return;
		x = find(x);
		y = find(y);
		if(r[x] < r[y]){
			unit_(x,y);
		}
		else {
			unit_(y,x);
		}
	}
	void run(int v,int w){
		while(1){
			v = find(v);
			if(que[v]->empty())break;
			P p = que[v]->top();
			if(find(p.sc) == v)que[v]->pop();
			else if(p.fr+sum[v]+w >= 0){
				que[v]->pop();
				unit(v,p.sc);
			}
			else break;
		}
	}
};

UF<100010> uf;

int main(){
	static int n,m;
	static int a[100010],b[100010];
	static int u[100010],v[100010];
	scanf("%d%d",&n,&m);
	for(int i = 0 ; i < n ; i ++){
		scanf("%d%d",&a[i],&b[i]);
	}
	for(int i = 0 ; i < m ; i ++){
		scanf("%d%d",&u[i],&v[i]);
		u[i] --;
		v[i] --;
	}
	
	if(n == 1){
		cout << max( a[i] , b[i] ) << endl;
		return 0;
	}
	
	ll l = 0, r = 1000000000;
	while(l<r){
		int mi = (l+r)/2;
		uf.init();
		for(int i = 0 ; i < m ; i ++){
			uf.que[u[i]]->push(P(b[v[i]]-a[v[i]],v[i]));
			uf.que[v[i]]->push(P(b[u[i]]-a[u[i]],u[i]));
		}
		for(int i = 0 ; i < n ; i ++){
			uf.sum[i] = b[i];
		}
		for(int i = 0 ; i < n ; i ++){
			if(a[i] <= b[i]+mi)uf.run(i,mi);
		}
		int root = uf.find(0);
		bool ok = true;
		for(int i = 0 ; i < n ; i ++){
			ok &= uf.find(i) == root;
		}
		if(ok)r = mi;
		else l = mi+1;
	}
	for(int i = 0 ; i < n ; i ++){
		l += b[i];
	}
	cout << l << endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:104:32: error: 'i' was not declared in this scope
  104 |                 cout << max( a[i] , b[i] ) << endl;
      |                                ^
Language: C++

#include <iostream>
#include <vector>
using namespace std;

struct UnionFind {
    vector<int> par;
    
    UnionFind(int n) : par(n, -1) { }
    void init(int n) { par.assign(n, -1); }
    
    int root(int x) {
        if (par[x] < 0) return x;
        else return par[x] = root(par[x]);
    }
    
    bool issame(int x, int y) {
        return root(x) == root(y);
    }
    
    bool merge(int x, int y) {
        x = root(x); y = root(y);
        if (x == y) return false;
        if (par[x] > par[y]) swap(x, y); // merge technique
        par[x] += par[y];
        par[y] = x;
        return true;
    }
    
    int size(int x) {
        return -par[root(x)];
    }
};


int main() {
    long long N, M; cin >> N >> M;
    vector<int> A(M), B(M);
    for (int i = 0; i < M; ++i) {
        cin >> A[i] >> B[i], --A[i], --B[i];
    }
        
    UnionFind uf(N);
    long long cur = N * (N-1) / 2;
    vector<long long> res;
    for (int i = 0; i < M; ++i) {
        res.push_back(cur);
            
        int a = A[M-1-i], b = B[M-1-i];
        if (uf.issame(a, b)) continue;
        
        long long sa = uf.size(a), sb = uf.size(b);
        cur -= sa * sb;
        uf.merge(a, b);
    }
        
    reverse(res.begin(), res.end());
    for (int i = 0; i < res.size(); ++i) cout << res[i] <<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:56:5: error: 'reverse' was not declared in this scope
   56 |     reverse(res.begin(), res.end());
      |     ^~~~~~~
Language: C++

#include <iostream>
#include <vector>
#include <numeric>
#include <set>
#include <map>
using namespace std;

struct UnionFind {
  vector<int> par;
  vector<int> sz;
    
  UnionFind(int n = 210000) { init(n); }
  void init(int n = 210000) {
	par.resize(n); sz.resize(n);
	for (int i = 0; i < n; ++i) par[i] = i, sz[i] = 1;
  }
    
  int root(int x) {
	if (par[x] == x) return x;
	else return par[x] = root(par[x]);
  }
    
  bool issame(int x, int y) {
	return root(x) == root(y);
  }

  int size(int x) {
	return sz[root(x)];
  }

  bool direct(int x, int y) {
	x = root(x); y = root(y);
	if (x == y) return false;
	par[x] = y;
	return true;
  }
    
  friend ostream& operator << (ostream& s, UnionFind uf) {
	map<int, vector<int> > res;
	for (int i = 0; i < uf.par.size(); ++i) {
	  int r = uf.root(i);
	  res[r].push_back(i);
	}
	for (map<int, vector<int> >::iterator it = res.begin(); it != res.end(); ++it) {
	  s << endl;
	  for (int j = 0; j < (int)it->second.size(); ++j) {
		s << it->second[j] << ", ";
	  }
	}
	return s << endl;
  }
};

typedef pair<long long, long long> pll;

int N, M;
vector<long long> a, b;
vector<vector<int> > G;

bool cmp(int i, int j) {
  return a[i] - b[i] < a[j] - b[j];
}

int main() {
  cin >> N >> M;
  a.resize(N); b.resize(N);
  for (int i = 0; i < N; ++i) {
	cin >> a[i] >> b[i];
  }
  G.clear(); G.resize(N);
  for (int i = 0; i < M; ++i) {
	int u, v; cin >> u >> v; --u, --v;
	G[u].push_back(v); G[v].push_back(u);
  }
  vector<int> ord(N);;
  std::iota(ord.begin(), ord.end(), 0);
  sort(ord.begin(), ord.end(), cmp);

  vector<long long> sumB(N), dp(N), seen(N, 0);
  for (int i = 0; i < N; ++i) {
	sumB[i] = b[i];
	dp[i] = max(a[i], b[i]);
  }
  UnionFind uf(N);
  for (auto v : ord) {
	set<int> adj;
	for (auto to : G[v]) {
	  if (!seen[to]) continue;
	  adj.insert(uf.root(to));
	}
	long long tmpsum = b[v];
	for (auto r : adj) {
	  tmpsum += sumB[r];
	  uf.direct(r, v);
	}
	sumB[v] = tmpsum;
	if (!adj.empty()) {
	  long long minv = 1LL<<59;
	  for (auto r : adj) {
		long long subB = tmpsum - sumB[r];
		long long tmp = subB + max(a[v] - b[v], dp[r]);
		minv = min(minv, tmp);
	  }
	  dp[v] = minv;
	}
	seen[v] = true;

	//cout << "-------------------------" << endl;
	//cout << v << ": " << dp[v] << ", " << sumB[v] << endl;
  }
  cout << dp[uf.root(0)] << endl;
}






Compiler output:
a.cc: In function 'int main()':
a.cc:77:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   77 |   sort(ord.begin(), ord.end(), cmp);
      |   ^~~~
      |   short
Language: C++

#include <bits/stdc++.h>

using namespace std;

#ifdef DEBUG_MODE
	#define DBG(n) n;
#else
	#define DBG(n) ;
#endif
#define REP(i,n) for(ll (i) = (0);(i) < (n);++i)
#define rep(i,s,g) for(ll (i) = (s);(i) < (g);++i)
#define rrep(i,s,g) for(ll (i) = (s);i >= (g);--(i))
#define PB push_back
#define MP make_pair
#define FI first
#define SE second
#define SHOW1d(v,n) {for(int WWW = 0;WWW < (n);WWW++)cerr << v[WWW] << ' ';cerr << endl << endl;}
#define SHOW2d(v,i,j) {for(int aaa = 0;aaa < i;aaa++){for(int bbb = 0;bbb < j;bbb++)cerr << v[aaa][bbb] << ' ';cerr << endl;}cerr << endl;}
#define ALL(v) v.begin(),v.end()
#define Decimal fixed<<setprecision(20)
#define INF 1000000000
#define LLINF 1000000000000000000LL
#define MOD 1000000007

typedef long long ll;
typedef pair<ll,ll> P;

struct UF
{
	vector<int> par; // 親のインデックスを記憶する配列
	vector<int> sz; // サイズを記憶する。
	vector<int> rank;
	// 初期化
	UF(int n):par(n),sz(n),rank(n){
		for(int i = 0; i < n; i++){
			par[i] = i;sz[i] = 1;rank[i] = 0;
		}
	}
	// 親を求める
	int find(int x) {
		if (par[x] == x) return x;
		else return par[x] = find(par[x]);
	}
	// xとyの属する集合を併合
	void unite(int x, int y) {
		x = find(x); y = find(y);
		if (x == y) return;
		if(rank[x] < rank[y]){
			par[x] = y;
			sz[y] += sz[x];
		}
		else{
			par[y] = x;
			sz[x] += sz[y];
			if(rank[x] == rank[y])rank[x]++;
		}
	}
	// xとyが同じ集合ならtrue
	bool same(int x, int y) { return find(x) == find(y); }
	// 素の集合のサイズを求める
	int size(int n){return sz[find(n)];}
};

ll n,m;
ll a[111111];
ll b[111111];
ll c[111111];
vector<pair<ll,pair<ll,ll>>> edge;
vector<vector<int>> v(111111);

ll dfs(ll node){
	ll ret = LLINF;
	ll tmp_sum = b[node];
	vector<ll> seica(v[node].size());
	REP(i,v[node].size()){
		seica[i] = max(dfs(v[node][i]),c[node]);
		tmp_sum += b[v[node][i]];
	}
	REP(i,v[node].size()){
		ret = min(ret,seica[i]+tmp_sum-b[v[node][i]]);
	}
	
	ret = min(ret,c[node]+tmp_sum);
	
	b[node] = tmp_sum;
	return ret;
}

int main(){
	
	REP(i,111111)dp[i] = -1;
	
	cin >> n >> m;
	ll ma = -1;
	ll node;
	REP(i,n){
		cin >> a[i] >> b[i];
		c[i] = max(0LL,a[i] - b[i]);
		if(ma < c[i]){ma = c[i],node = i;}
	}
	REP(i,m){
		int x,y;cin >> x >> y;
		x--;y--;
		edge.PB(MP(max(c[x],c[y]),MP(x,y)));
	}
	
	sort(ALL(edge));
	
	UF uf(n);
	
	REP(i,m){
		ll A = edge[i].SE.FI;
		ll B = edge[i].SE.SE;
		if(uf.same(A,B))continue;
		if(c[A] < c[B]){
			v[B].PB(uf.find(A));
			uf.par[uf.find(A)] = B;
		}
		else{
			v[A].PB(uf.find(B));
			uf.par[uf.find(B)] = A;
		}
		uf.unite(A,B);
	}
	
	cout << dfs(node) << endl;
		
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:91:22: error: 'dp' was not declared in this scope; did you mean 'dup'?
   91 |         REP(i,111111)dp[i] = -1;
      |                      ^~
      |                      dup
Language: C++

#include<bits/stdc++.h>
using namespace std;
using Int = long long;

struct UnionFind{
  Int n;
  vector<Int> r,p,s;
  using P = pair<Int, Int>;
  vector<priority_queue<P, vector<P>, greater<P> > > pq;
  UnionFind(){}
  UnionFind(Int sz):n(sz),r(sz,1),p(sz,0),s(sz,0),pq(sz){
    iota(p.begin(),p.end(),0);
  }
  Int find(Int x){
    return (x==p[x]?x:p[x]=find(p[x]));
  }
  bool same(Int x,Int y){
    return find(x)==find(y);
  }
  void unite(Int x,Int y){
    x=find(x);y=find(y);
    if(x==y) return;
    if(r[x]<r[y]) swap(x,y);
    r[x]+=r[y];
    p[y]=x;
    s[x]+=s[y];
    
    if(pq[x].size()<pq[y].size())
      swap(pq[x],pq[y]);
    while(!pq[y].empty()){
      pq[x].emplace(pq[y].top());
      pq[y].pop();
    }
  }
  void add_edge(Int v,Int u,Int c){
    v=find(v);
    pq[v].emplace(c,u);
  }
};

//INSERT ABOVE HERE
signed main(){
  Int n,m;
  cin>>n>>m;
  vector<Int> a(n),b(n);
  for(Int i=0;i<n;i++) cin>>a[i]>>b[i];
  vector<vector<Int> > G(n);
  for(Int i=0;i<m;i++){
    Int u,v;
    cin>>u>>v;
    u--;v--;
    G[u].emplace_back(v);
    G[v].emplace_back(u);
  }
  
  Int s=accumulate(b.begin(),b.end(),(Int)0);
  auto check=[&](Int x)->Int{
    //cout<<x<<"-------"<<s<<":"<<x-s<<endl;
    queue<Int> q;
    vector<Int> used(n);
    UnionFind uf(n);
    for(Int i=0;i<n;i++){
      uf.s[i]=b[i];
      if(x-s+uf.s[i]<a[i]) continue;
      q.emplace(i);
      used[i]=1;
    }
    
    auto ok=[&](Int v,Int u)->Int{
      Int pv=uf.find(v);
      Int pu=uf.find(u);
      if(pv==pu) return 1;
      //cout<<v<<"->"<<u<<":"<<(x-s+uf.s[pv]+b[u]>=a[u])<<":"<<x-s+uf.s[pv]+b[u]<<" "<<a[u]<<endl;
      return (x-s+uf.s[pv]+b[u]>=a[u]);
    };

    
    while(!q.empty()){
      Int v=q.front();q.pop();
      //cout<<x<<":"<<v<<":"<<uf.r[uf.find(v)]<<endl;
      using P = pair<Int, Int>;
      priority_queue<P,vector<P>,greater<P> > pq;
      auto push=[&](Int u){
	u=uf.find(u);
	if(!uf.pq[u].empty())
	  pq.emplace(uf.pq[u].top().first,u);
      };
    
      for(Int u:G[v]){	
	if(ok(v,u)){
	  uf.unite(v,u);
	  if(!used[u]){
	    used[u]=1;
	    q.emplace(u);
	  }
	}else uf.add_edge(v,u,a[u]);

	if(used[u]) push(u);
      }
      
      push(v);
      while(!pq.empty()){
	Int c,u;
	tie(c,u)=pq.top();pq.pop();
	u=uf.find(u);	
	Int flg=0;
	while(!uf.pq[u].empty()){
	  Int d,w;
	  tie(d,w)=uf.pq[u].top();
	  if(!uf.same(u,w)&&used[w]) push(w);
	  if(ok(u,w)){
	    uf.pq[u].pop();
	    uf.unite(u,w);
	    if(!used[w]){
	      used[w]=1;
	      q.emplace(w);
	    }
	    u=uf.find(u);
	    flg=1;
	  }else break;
	}
	if(flg) push(u);
      }
      
      if(q.empty()){
	for(Int i=0;i<n;i++) if(used[i]) push(i);
      }
    }

    //cout<<x<<"::::::"<<uf.r[uf.find(0)]<<endl;
    return uf.r[uf.find(0)]==n;
  };
  
  Int l=s+*min_element(a.begin(),a.end())-1;
  Int r=s+*max_element(a.begin(),a.end())+;
  while(l+1<r){
    Int mid=(l+r)>>1;
    if(check(mid)) r=mid;
    else l=mid;
  }
  cout<<r<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:135:43: error: expected primary-expression before ';' token
  135 |   Int r=s+*max_element(a.begin(),a.end())+;
      |                                           ^
Language: C++

#include <bits/stdc++.h>
#define N 100005
using namespace std;
typedef long long ll;
struct edge{
	int x,y;
	ll w;
}e[N<<1];
struct P{
	ll a,b;
}a[N];
int n,m,fa[N];
ll siz[N];
bool cmp(edge a,edge b){
	return a.w<b.w;
}
int find(int k){
	if(fa[k]!=k) fa[k]=find(fa[k]);
	return fa[k];
}
int main(){
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++) scanf("%lld%lld",&a[i].a,&a[i].b);
	if(n==1) return printf("%lld",a[i].b),0;
	for(int i=1;i<=m;i++){
		scanf("%d%d",&e[i].x,&e[i].y);
		e[i].w=max(a[e[i].x].a-a[e[i].x].b,a[e[i].y].a-a[e[i].y].b);
	}
	sort(e+1,e+m+1,cmp);
	ll l=0,r=1e17,mid,ans;
	while(l<=r){
		mid=l+r>>1;
		for(int i=1;i<=n;i++) fa[i]=i,siz[i]=a[i].b;
		ll mx=-1e17;
		for(int i=1;i<=n;i++) if(mid+a[i].b>=a[i].a) mx=max(mx,mid+a[i].b);
		if(mx<0){
			l=mid+1;
			continue;
		}
		for(int i=1;i<=m&&e[i].w<=mx;i++){
			int x=find(e[i].x),y=find(e[i].y);
			if(x!=y){
				siz[x]+=siz[y];
				fa[y]=x;
				mx=max(mx,mid+siz[x]);
			}
		}
		bool t=1;
		for(int i=1;i<=n;i++) if(find(i)!=find(1)){
			t=0;break;
		}
		if(t) ans=mid+siz[find(1)],r=mid-1;
		else l=mid+1;
	}
	printf("%lld",ans);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:41: error: 'i' was not declared in this scope
   24 |         if(n==1) return printf("%lld",a[i].b),0;
      |                                         ^
Language: C

#inlude<stdio.h>
#include<stdlib.h>
#include<string.h>

  
int main(void){
    long long A,B,C;
    long long K;
    scanf("%lld %lld %lld %lld",&A,&B,&C,&K);

    //printf("%lld %lld %lld %lld\n",A,B,C,K);

    if(A==B && B==C){
        printf("0\n");
        return 0;
    }

    for(long long i=0;i<K;i++){
        long long AB=A+B;
        long long BC=B+C;
        long long CA=C+A;

        A=BC; B=CA; C=AB;
    }

    long long ans=A-B;
    if(ans>1000000000000000000) printf("Unfair\n");
    else printf("%lld\n",ans);

    return 0;
}

Compiler output:
main.c:1:2: error: invalid preprocessing directive #inlude; did you mean #include?
    1 | #inlude<stdio.h>
      |  ^~~~~~
      |  include
main.c: In function 'main':
main.c:9:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    9 |     scanf("%lld %lld %lld %lld",&A,&B,&C,&K);
      |     ^~~~~
main.c:4:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
    3 | #include<string.h>
  +++ |+#include <stdio.h>
    4 | 
main.c:9:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    9 |     scanf("%lld %lld %lld %lld",&A,&B,&C,&K);
      |     ^~~~~
main.c:9:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:14:9: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   14 |         printf("0\n");
      |         ^~~~~~
main.c:14:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:14:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:14:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:27:33: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   27 |     if(ans>1000000000000000000) printf("Unfair\n");
      |                                 ^~~~~~
main.c:27:33: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:28:10: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   28 |     else printf("%lld\n",ans);
      |          ^~~~~~
main.c:28:10: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  int A, B, C, K;
  cin >> A >> B >> C >> K;
  if (abs(A-B) > 10**18){
    if (K%2 == 0){
      cout << A-B << endl;
    }
    else {
      cout << B-A << endl;
    }
  }
  else {
    cout << "Unfair" << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:21: error: invalid type argument of unary '*' (have 'int')
    7 |   if (abs(A-B) > 10**18){
      |                     ^~~
Language: Java

import java.util.Scanner;
public class Main{
 public static void main(String args[]){
  boolean flag=false;
  Scanner scan=new Scanner(System.in);
  String s;

  s=scan.next();
  long a=Long.parseLong(s);
  s=scan.next();
  long b=Long.parseLong(s);
  s=scan.next();
  long c=Long.parseLong(s);
  s=scan.next();
  long k=Long.parseLong(s);
 
  long ans;
  if(k%2==0)ans=a-b;
  else ans=b-a;


  else System.out.println(ans);
 }
}
/*
(now,before)(high,middle,low)
1回の操作では、sumが2*sumになる
nh=sum-bh
nb=sum-bm;
nh-nb=-nh+bm<-これの繰り返し(sumに影響しない)
求める値は1回の操作でbh-bm->bm-bhになるだけ
*/


Compiler output:
Main.java:22: error: 'else' without 'if'
  else System.out.println(ans);
  ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
    int int A,B,C;
    cin >>A>>B>>C;
    int K;
    cin>>K;

    if(K%2==0)
    { cout<<(A-B)<<endl;}
    else {
        cout <<(B-A)<<endl;
    }
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: two or more data types in declaration of 'A'
    5 |     int int A,B,C;
      |     ^~~
a.cc:5:5: error: two or more data types in declaration of 'B'
a.cc:5:5: error: two or more data types in declaration of 'C'
a.cc:6:11: error: 'A' was not declared in this scope
    6 |     cin >>A>>B>>C;
      |           ^
a.cc:6:14: error: 'B' was not declared in this scope
    6 |     cin >>A>>B>>C;
      |              ^
a.cc:6:17: error: 'C' was not declared in this scope
    6 |     cin >>A>>B>>C;
      |                 ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
using LL = long long;
using P = pair<int,int>;


int main(){
	LL a,b,c,k
      cin >>a >>b>>c>>k;
 if(k % 2 ==0)cout << a -b <<endl;
  else cout << b-a <<endl;
}












Compiler output:
a.cc: In function 'int main()':
a.cc:10:7: error: expected initializer before 'cin'
   10 |       cin >>a >>b>>c>>k;
      |       ^~~
a.cc:11:5: error: 'k' was not declared in this scope
   11 |  if(k % 2 ==0)cout << a -b <<endl;
      |     ^
Language: C++

#include <iostream> // cout, endl, cin
#include <string> // string, to_string, stoi
#include <vector> // vector
#include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound
#include <utility> // pair, make_pair
#include <tuple> // tuple, make_tuple
#include <cstdint> // int64_t, int*_t
#include <cstdio> // printf
#include <map> // map
#include <queue> // queue, priority_queue
#include <set> // set
#include <stack> // stack
#include <deque> // deque
#include <unordered_map> // unordered_map
#include <unordered_set> // unordered_set
#include <bitset> // bitset
#include <cctype> // isupper, islower, isdigit, toupper, tolower
using namespace std;


int main() {
    long long A, B, C, K;
    cin >> A >> B >> C >> K;
    long long X = 0;
    long long Y = 0;
    long long Z = 0;

    for (int i = 0; i < K; i++) {
        X = B + C;
        Y = A + C;
        Z = A + B;
    }

    if (abs(X - Y) > 1000000000000000000) {
        cout << "Unfair" << endl;
    }
  	else if (K == 0){
      	cout << A-B <<endl;
    else {
        cout << X - Y << endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:39:5: error: expected '}' before 'else'
   39 |     else {
      |     ^~~~
a.cc:37:25: note: to match this '{'
   37 |         else if (K == 0){
      |                         ^