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

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

#define rep(i,x,y) for(int i=(x);i<(y);++i)
#define mp(a,b) make_pair((a),(b))
#define debug(x) #x << "=" << (x)
 
#ifdef DEBUG
#define _GLIBCXX_DEBUG
#define dump(x) std::cerr << debug(x) << " (L:" << __LINE__ << ")" << std::endl
#else
#define dump(x)
#endif

typedef long long int ll;
typedef pair<int,int> pii;
//template<typename T> using vec=std::vector<T>;

const int INF=1<<30;
const long long int INF_=1LL<<58;
const double EPS=1e-9;
const int dx[]={1,0,-1,0},dy[]={0,1,0,-1};

template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec){
	os << "[";
	for (const auto &v : vec) {
		os << v << ",";
	}
	os << "]";
	return os;
}

void Solve(){
	int n;
	static int k[4001][4001]
	static ll w[4001],s[4001][4001],dp[4001][4001];
	cin >> n;
	rep(i,0,n) cin >> w[i];

	rep(i,0,n+1){
		rep(j,i+1,n+1){
			s[i][j]=s[i][j-1]+w[j-1];
		}
	}

	fill_n((ll*)dp,4001*4001,INF_);
	rep(i,0,n+1){
		dp[i][i]=0;
		k[i][i]=i;
		if(i+1<=n){
			dp[i][i+1]=0;
			k[i][i+1]=i+1;
		}
	}

	rep(l,1,n+1){
		for(int i=0,j=i+l; j<=n; ++i,++j){
			rep(r,k[i][j-1],k[i+1][j]+1){
				ll c=dp[i][r]+dp[r][j]+s[i][j];
				if(dp[i][j]>c){
					dp[i][j]=c;
					k[i][j]=r;
				}
			}
		}
	}

	cout << dp[0][n] << endl;
}

int main(){
	std::ios::sync_with_stdio(false);
	std::cin.tie(0);
	Solve();
	return 0;
}

Compiler output:
a.cc: In function 'void Solve()':
a.cc:36:9: error: expected initializer before 'static'
   36 |         static ll w[4001],s[4001][4001],dp[4001][4001];
      |         ^~~~~~
a.cc:38:27: error: 'w' was not declared in this scope
   38 |         rep(i,0,n) cin >> w[i];
      |                           ^
a.cc:42:25: error: 's' was not declared in this scope
   42 |                         s[i][j]=s[i][j-1]+w[j-1];
      |                         ^
a.cc:42:43: error: 'w' was not declared in this scope
   42 |                         s[i][j]=s[i][j-1]+w[j-1];
      |                                           ^
a.cc:46:21: error: 'dp' was not declared in this scope; did you mean 'dy'?
   46 |         fill_n((ll*)dp,4001*4001,INF_);
      |                     ^~
      |                     dy
a.cc:49:17: error: 'k' was not declared in this scope
   49 |                 k[i][i]=i;
      |                 ^
a.cc:58:31: error: 'k' was not declared in this scope
   58 |                         rep(r,k[i][j-1],k[i+1][j]+1){
      |                               ^
a.cc:4:31: note: in definition of macro 'rep'
    4 | #define rep(i,x,y) for(int i=(x);i<(y);++i)
      |                               ^
a.cc:59:56: error: 's' was not declared in this scope
   59 |                                 ll c=dp[i][r]+dp[r][j]+s[i][j];
      |                                                        ^
Language: C++

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

#define DUMP(x) cerr << #x << "=" << x << endl
#define DUMP2(x, y) cerr<<"("<<#x<<", "<<#y<<") = ("<<x<<", "<<y<<")"<< endl
#define BINARY(x) static_cast<bitset<16> >(x)

#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define REP(i,m,n) for (int i=(int)(m);i<(int)(n);i++)

#define in_range(x, y, w, h) (0<=(int)(x) && (int)(x)<(int)(w) && 0<=(int)(y) && (int)(y)<(int)(h))
#define ALL(a) (a).begin(),(a).end()

typedef long long ll;
const ll INF = 1e18;
typedef pair<int, int> PII;
int dx[4]={0, -1, 1, 0}, dy[4]={-1, 0, 0, 1};

int N;
vector<ll> W;

//  dp[i][j] := ??¨?????¨[i, j]????????????????????????????°?
//  dp[i][j] = min(dp[i][k] + dp[k+1][j] + w[i][j])
// sum[i][j] = w_i + ... + w_j
ll dp[3010][3010];
ll p[3010][3010];
ll sum[3010];

ll cost(int i, int j)
{
    return sum[j+1] - sum[i];
}

int main()
{
    cin >> N;
    W.resize(N);
    rep(i, N) cin >> W[i];
    
    sum[0] = 0LL;
    for (int i=0; i<N; i++) {
        sum[i+1] = sum[i] + W[i];
    }

    rep(i, N) rep(j, N) dp[i][j] = (i == j ? 0LL : INF);
    rep(i, N) p[i][i] = i;

    REP(l, 1, N) {
        rep(i, N-l) {
            int j = i + l;
            int k0 = p[i][j-1], k1 = p[i+1][j];
            REP(k, k0, k1 + 1) {
                ll tmp = dp[i][k] + dp[k+1][j] + cost(i, j);
                if (tmp < dp[i][j]) {
                    dp[i][j] = tmp;
                    p[i][j] = k;
                }
            }
        }
    }

   cout << dp[0][N-1] << endl;
}
j

Compiler output:
a.cc:64:1: error: 'j' does not name a type
   64 | j
      | ^
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
#define INF (1LL<<61)

using namespace std;

typedef unsigned long long ull;

int main(void){
  
  int n;
  cin >> n;
  
  vector<ull> cost(n);
  for(int i=0;i<n;i++){
    cin >> cost[i];
    if(i>0)cost[i]+=cost[i-1];
  }
  
  static ull dp[n][n],k[n][n];
  fill(dp[0],dp[n+1],INF);
  fill(k[0],k[n+1],INF);

  for(int i=0;i<n;i++){
    dp[i][i]=0;
    k[i][i]=0;
  }

  for(int w=1;w<=n;w++){
    for(int i=0,j=i+w;j<n;i++,j++){
      for(int r=i;r+1<=j;r++){
	ull c=dp[i][r]+dp[r+1][j]+cost[j]-((i>0)?cost[i-1]:0);
	if(dp[i][j]>c)dp[i][j]=c;
      }
    }
  }
  cout << dp[0][n-1] << endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:14: error: storage size of 'dp' isn't constant
   21 |   static ull dp[n][n],k[n][n];
      |              ^~
a.cc:21:23: error: storage size of 'k' isn't constant
   21 |   static ull dp[n][n],k[n][n];
      |                       ^
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] a) throws IOException
	{
		int a; String c;
		String str = new BufferedReader(new InputStreamReader(System.in)).readLine();

		String result = "";
		for(int i=0;i<str.length()/2;i++)
		{
			a =  Integer.parseInt(str.substring(2*i, 2*i+1));
			c = str.substring(2*i+1, 2*(i+1));

			result += translator(a, c);
		}
		System.out.println(result);
	}

	private static String translator(int a, String c)
	{
		String result = "";
		int[] nums = {0,1,2,3,4,5,6,7,8,9};
		String[] cons = {"w","","k","s","t","n","h","m","y","r"};

		String[] dir = {"T","L","U","R","D"};
		String[] vowel = {"a","i","u","e","o"};

		if(a==0&&c.equals("U"))
		{result += "nn";}
		else
		{
			for(int i=0;i<nums.length;i++)
			{if(nums[i]==a) {result += cons[i];}}

			for(int i=0;i<dir.length;i++)
			{if(c.equals(dir[i])) {result +=vowel[i];}}
		}

		return result;
	}
}

Compiler output:
Main.java:9: error: variable a is already defined in method main(String[])
		int a; String c;
		    ^
1 error
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] a)
	{
		int a; String c;
		String str = "";
		try {str = new BufferedReader(new InputStreamReader(System.in)).readLine();}
		catch (IOException e) {e.printStackTrace();}

		String result = "";
		for(int i=0;i<str.length()/2;i++)
		{
			a =  Integer.parseInt(str.substring(2*i, 2*i+1));
			c = str.substring(2*i+1, 2*(i+1));

			result += translator(a, c);
		}
		System.out.println(result);
	}

	private static String translator(int a, String c)
	{
		String result = "";
		int[] nums = {0,1,2,3,4,5,6,7,8,9};
		String[] cons = {"w","","k","s","t","n","h","m","y","r"};

		String[] dir = {"T","L","U","R","D"};
		String[] vowel = {"a","i","u","e","o"};

		if(a==0&&c.equals("U"))
		{result += "nn";}
		else
		{
			for(int i=0;i<nums.length;i++)
			{if(nums[i]==a) {result += cons[i];}}

			for(int i=0;i<dir.length;i++)
			{if(c.equals(dir[i])) {result +=vowel[i];}}
		}

		return result;
	}
}

Compiler output:
Main.java:9: error: variable a is already defined in method main(String[])
		int a; String c;
		    ^
1 error
Language: C++

#include <iostream>
#include <sstream>
#include <string>
#include <vector>
#include <iterator>
using namespace std;

int main() {
    string src = "wa * nn * wo a i u e o ka ki ku ke ko sa si su se so ta ti tu te to na ni nu ne no ha hi hu he ho ma mi mu me mo ya * yu * yo ra ri ru re ro";
    istringstream iss(src);
    vector<vector<string> > vec(10);
    for(int i = 0; i < 10; i++) {
        for(int j = 0; j < 5; j++) {
            string ss; iss >> ss;
            vec[i].push_back(ss);
        }
    }

    string line; getline(cin, line);
    for(int i = 0; i < (int)line.length() / 2; i++) {
        char p = line[2 * i];
        char q = line[2 * i + 1];
        int ps = p - '0';
        string dir = "TLURD";
        int qs = find(begin(dir), end(dir), q) - begin(dir);
        cout << vec[ps][qs];
    }
    cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:22: error: no matching function for call to 'find(std::__cxx11::basic_string<char>::iterator, std::__cxx11::basic_string<char>::iterator, char&)'
   25 |         int qs = find(begin(dir), end(dir), q) - begin(dir);
      |                  ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/bits/locale_facets.h:48,
                 from /usr/include/c++/14/bits/basic_ios.h:37,
                 from /usr/include/c++/14/ios:46,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/streambuf_iterator.h:435:5: note: candidate: 'template<class _CharT2> typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(istreambuf_iterator<_CharT>, istreambuf_iterator<_CharT>, const _CharT2&)'
  435 |     find(istreambuf_iterator<_CharT> __first,
      |     ^~~~
/usr/include/c++/14/bits/streambuf_iterator.h:435:5: note:   template argument deduction/substitution failed:
a.cc:25:22: note:   '__gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >' is not derived from 'std::istreambuf_iterator<_CharT>'
   25 |         int qs = find(begin(dir), end(dir), q) - begin(dir);
      |                  ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <iostream>
int main()
{
	char num,flick;
	int f;
	const char boin[5]={'a','i','u','e','o'};
	while(std::cin>>num){
		std::cin>>flick;	
		switch(flick){
case 'T':f=0;break;
case 'L':f=1;break;
case 'U':f=2;break;
case 'R':f=3;break;
case 'D':f=4;break;
		}
		if(num=='0'){
			const char wa[5][3]={"wa",0,"nn",0,"wo"};
			std::cout<<wa[f];
		}
		else if(num=='1'){
			std::cout<<boin[f];
		}else{
			const char ciin[10]={0,0,'k','s','t','n','h','m','y','r'};
			std::cout<<ciin[input]<<boin[f];
		}
	}
	std::cout<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:53: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
   17 |                         const char wa[5][3]={"wa",0,"nn",0,"wo"};
      |                                                     ^~~~
      |                                                     |
      |                                                     const char*
a.cc:24:41: error: 'input' was not declared in this scope; did you mean 'int'?
   24 |                         std::cout<<ciin[input]<<boin[f];
      |                                         ^~~~~
      |                                         int
a.cc:27:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   27 |         std::cout<<endl;
      |                    ^~~~
      |                    std::endl
In file included from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

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

int main(){
	int n;
	int T, H, L;
	int t[114514];
	int h[114514];
	int f = -1;
	cin >>n>>T>>H>>L;
	for (int i = 0; i < n; i++){
		cin >> t[i] >> h[i];
	}
	int zan = 0;
	while (f==-1){
		for (int k = 0; k < n; k++){
			if (t[k] != 0){	//10???????????£???????????´???
				t[k]--;
				zan += 10;	//?????????????????\
				T++;		//?????????10???????????¬???????¢????
				if (T > L){ f = k; break; }//?????????????£??????????????????¢??±
				if (zan == 90){
					zan = 0;
				}
			}
			else{		//100???
				if (h[k] == 0){ f = k; break; }	//?????????????????¨????????¢??±
				h[k]--;
				zan += 100;
				H++;
				if (zan >= 90){	//?????????90????????????
					if (T > zan - 90){
						T -= (zan - 90) / 10;
						t[k] += (zan - 90) / 10;
						zan=0
					}
					else { f = k; break; }//????????????????????????
				}
			}
		}
	}
	cout <<f+1<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:36:54: error: expected ';' before '}' token
   36 |                                                 zan=0
      |                                                      ^
      |                                                      ;
   37 |                                         }
      |                                         ~
Language: C++

#include<iostream>
#include<string>
#include<algorithm>
#include<map>
#include<set>
#include<utility>
#include<vector>
#include<cmath>
#include<cstring>
#include<cstdio>
#include<time.h>
#define loop(i,a,b) for(int i=a;i<b;i++) 
#define rep(i,a) loop(i,0,a)
#define pb push_back
#define mp make_pair
#define all(in) in.begin(),in.end()
const double PI=acos(-1);
const double EPS=1e-10;
const int inf=1e8;
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vvi;
using namespace std;
int main(){
	int n,T,H,L;
	cin>>n>>T>>H>>L;
	vvi in(n,vi(2));
	rep(i,n)cin>>in[i][0]>>in[i][1];
	int t=0,h=0;
	int i=0;
	while(1){
		if(in[i][0]==0&&in[i][1]==0){
			cout<<i+1<<endl;
			return 0;
		}
		if(in[i][0]){
			in[i][0]--;t++;
		}else{
			in[i][1]--;h++;
		}
		if(T+t>L){
			cout<<i+1<<endl;
			return 0;
		}
		if(h||t>=9){
			int o=h*10+t-9;
			T+=t;
			H+=h;
			if(T<o){
				cout<<i+1<<endl;
				return 0;
			}
			T-=o;
			in[i]+=o;
		}
		i++;if(i==n)i=0;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:55:30: error: no match for 'operator+=' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} and 'int')
   55 |                         in[i]+=o;
Language: C++

#include <cstdio>
int t[99],h[99],i,s,N,T,L;main(){for(scanf("%d%d%d%d",&N,&T,&L,&L),i=0;i<N;i++)scanf("%d%d",t+i,h+i);for(i=s=0;;i=(i+1)%N)if(t[i]){t[i]--;if(++T>L)break;if(++s==9)s=0;}else if(h[i]){h[i]--;if(T<++s)break;t[i]=s;T-=s;s=0;}else break;printf("%d\n",i+1);exit(0);}

Compiler output:
a.cc:2:27: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | int t[99],h[99],i,s,N,T,L;main(){for(scanf("%d%d%d%d",&N,&T,&L,&L),i=0;i<N;i++)scanf("%d%d",t+i,h+i);for(i=s=0;;i=(i+1)%N)if(t[i]){t[i]--;if(++T>L)break;if(++s==9)s=0;}else if(h[i]){h[i]--;if(T<++s)break;t[i]=s;T-=s;s=0;}else break;printf("%d\n",i+1);exit(0);}
      |                           ^~~~
a.cc: In function 'int main()':
a.cc:2:252: error: 'exit' was not declared in this scope
    2 | int t[99],h[99],i,s,N,T,L;main(){for(scanf("%d%d%d%d",&N,&T,&L,&L),i=0;i<N;i++)scanf("%d%d",t+i,h+i);for(i=s=0;;i=(i+1)%N)if(t[i]){t[i]--;if(++T>L)break;if(++s==9)s=0;}else if(h[i]){h[i]--;if(T<++s)break;t[i]=s;T-=s;s=0;}else break;printf("%d\n",i+1);exit(0);}
      |                                                                                                                                                                                                                                                            ^~~~
a.cc:2:1: note: 'exit' is defined in header '<cstdlib>'; this is probably fixable by adding '#include <cstdlib>'
    1 | #include <cstdio>
  +++ |+#include <cstdlib>
    2 | int t[99],h[99],i,s,N,T,L;main(){for(scanf("%d%d%d%d",&N,&T,&L,&L),i=0;i<N;i++)scanf("%d%d",t+i,h+i);for(i=s=0;;i=(i+1)%N)if(t[i]){t[i]--;if(++T>L)break;if(++s==9)s=0;}else if(h[i]){h[i]--;if(T<++s)break;t[i]=s;T-=s;s=0;}else break;printf("%d\n",i+1);exit(0);}
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define INF 100100100

int main(){

    int n, m; cin >> n >> m;
    int dp[55][10][55];
    vector<int> A(n);
    vector<int> B(n);
    vector<int> C(n);

    for(int i = 0; i <= n; i++){
        for(int j = 0; j <= 8; j++){
            for(int k = 0; k <= m; k++){
                dp[i][j][k] = -INF;
            }
        }
    }

    dp[0][0][m] = 0;


    for(int i = 0; i < n; i++) cin >> A[i] >> B[i] >> C[i];

    for(int i = 0; i < n; i++){
        for(int j = 0; j <= 8; j++){
            for(int k = 0; k <= m; k++){

                for(int a = 0; a <= 8; a++){
                    
                    //残ってない
                    if(k - a < 0) continue;
        
                    int value = -INF;
                    //振らない

                    value = max(value, C[i]);

                    if(a != 0) value = max(value, A[i] * a);

                    if(j != 0) value = max(value, B[i] * j);

                    if(a + j >= 9){
                        if(A[i] > B[i]){
                            value = max(value, A[i] * a + B[i] * (8 - a));
                        }else{
                            value = max(value, A[i] * (8 - j) + B[i] * j);
                        }
                    }else{
                        if(a + b != 0) value = max(value, A[i] * a + B[i] * j);
                    }

                    if(a >= 1) value = max(value, A[i]);

                    if(j >= 1) value = max(value, B[i]);

                    dp[i + 1][a][k - a] = max(dp[i + 1][a][k - a], dp[i][j][k] + value);

                }
            }
        }
    }

    /*for(int i = 0; i <= n; i++){
        cout << i << endl;
        for(int j = 0; j < 8; j++){
            for(int k = 0; k <= m; k++){
                cout << dp[i][j][k] << " ";
            }
            cout << endl;
        }
    }*/

    int ans = 0;
    for(int j = 0; j <= 8; j++){
        for(int k = 0; k <= m; k++){
            ans = max(ans, dp[n][j][k]);
        }
    }

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


Compiler output:
a.cc: In function 'int main()':
a.cc:51:32: error: 'b' was not declared in this scope
   51 |                         if(a + b != 0) value = max(value, A[i] * a + B[i] * j);
      |                                ^
Language: C++

#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<cmath>
#include<algorithm>
#include<cstring>
#include<sstream>
#include<vector>
#include<queue>
#include<stack>
#include<string>
#include<climits>
#include<map>
#include<climits>
#include<set>
#define REP(i,s,n) for(int i=s;i<n;i++)
#define rep(i,n) REP(i,0,n)
#define INF 1<<27
#define F first
#define S second
#define MIN INT_MIN
using namespace std;
typedef pair<int,int> P;
 int dp[55][55][10][10];

  int info[55][3];
int main(){
  int n,m;
  cin >> n >> m;

  for(int i=0;i<n;i++){
    cin >> info[i][0] >> info[i][1] >> info[i][2];
  }


 
  rep(i,55)rep(j,55)rep(k,10)rep(l,10)dp[i][j][k][l] = MIN;
  rep(i,m+2)dp[0][m-i][i][0] = 0;

  rep(i,n){
    rep(j,m+1){//のこり
      rep(k,9){//今
	rep(l,9){//５分前
	  if(j+k+l > m)break;
	  if(dp[i][j][k][l] == MIN )continue;
	  int isol = l;

	  int mex = info[i][2];
	  int cc = MIN;
	  rep(x,k+1){
	    rep(y,isol+1){
	      if(x+y > 8)break;
	      if(x == 0 && y == 0)continue;
	      cc = max(cc,info[i][0]*x+info[i][1]*y);
	    }
	  }
	  mex = max(xx,mex);
	  rep(z,j+1){
	    dp[i+1][j-z][z][k] = max(dp[i+1][j-z][z][k],dp[i][j][k][l]+mex);
	  }


	}
      }
    }
  }
  int ans = MIN;
  rep(i,m){
    rep(j,9){
      rep(k,9){
	if(j+k > 8)continue;
	ans = max(ans,dp[n][i][j][k]);
      }
    }
  }
  cout << ans << endl;

return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:57:21: error: 'xx' was not declared in this scope
   57 |           mex = max(xx,mex);
      |                     ^~
Language: C++

#include <iostream>
#include <vector>
#include <cmath>
using namespace std;
const double eps = 1e-6;

double max_r(const vector<int> &xs, const vector<int> &ys, double x, double y){
    double r_max = 0;
    for(int i=0;i<xs.size();i++){
        r_max = max(r_max, hypot(x - xs[i], y - ys[i]));
    }
    return r_max;
}

double min_circle_r(const vector<int> &xs, const vector<int> &ys, double x){
    double lo = -1000, hi = 1000;
    for(int i=0;i<70;i++){
        double side = (hi - lo) / 3;
        double a = lo + side;
        double b = hi - side;
    
        double fa = max_r(xs, ys, x, a);
        double fb = max_r(xs, ys, x, b);
        
        if(fa < fb){
            hi = b;
        } else {
            lo = a;
        }
    }
    
    return max_r(xs, ys, x, lo);
}

double min_circle_r(const vector<int> &xs, const vector<int> &ys){
    double lo = -1000, hi = 1000;
    for(int i=0;i<70;i++){
        double side = (hi - lo) / 3;
        double a = lo + side;
        double b = hi - side;
    
        double fa = min_circle_r(xs, ys, a);
        double fb = min_circle_r(xs, ys, b);
        
        if(fa < fb){
            hi = b;
        } else {
            lo = a;
        }
    }
    
    return min_circle_r(xs, ys, lo);
}


int n, m;
int r[111];

double R[111];
bool used[111];

bool greedy_check(int s){
    vector<int> rs;
    for(int i=0;i<n;i++)if(!used[i]){
        rs.push_back(r[i]);
    }
    
    vector<double> Rs;
    for(int i=s;i<m;i++){
        Rs.push_back(R[i]);
    }
    
    sort(rs.begin(), rs.end());
    sort(Rs.begin(), Rs.end());
    
    int last = -1;
    for(int i=0;i<Rs.size();i++){
        bool found = false;
        for(int j=last+1;j<rs.size();j++){
            if(Rs[i] < rs[j] + eps){
                found = true;
                last = j;
                break;
            }
        }
        if(!found)return false;
    }
    
    return true;
}


int main(){
    cin >> n >> m;
    for(int i=0;i<n;i++)cin >> r[i];

    for(int i=0;i<m;i++){
        int p;
        cin >> p;
        
        vector<int> xs(p), ys(p);
        for(int j=0;j<p;j++){
            cin >> xs[j] >> ys[j];
        }
        
        R[i] = min_circle_r(xs, ys);
    }
    
    vector<int> res(m);
    for(int i=0;i<m;i++){
        bool found = false;
        for(int j=0;j<n;j++)if(!used[j] && R[i] < r[j] + eps){
            used[j] = true;
            if(greedy_check(i + 1)){
                res[i] = j;
                found = true;
                break;
            }
            used[j] = false;
        }
        if(!found){
            cout << "NG" << endl;
            return 0;
        }
    }
    
    for(int i=0;i<m;i++)cout << res[i] + 1 << endl;
    
    return 0;
}

Compiler output:
a.cc: In function 'bool greedy_check(int)':
a.cc:73:5: error: 'sort' was not declared in this scope; did you mean 'sqrt'?
   73 |     sort(rs.begin(), rs.end());
      |     ^~~~
      |     sqrt
Language: C++

#include<stdio.h>

int main(){

int n;

scanf("%d",&n);if(n==0)break;
int x;
for(int i=0;i<n;i++)
{scanf("%d",&x);
int c=0;int d=10;int w=0,y=0;int max=0;
while(x/10!=0){
for(int j=0;j<6;j++)
{
w=x/d;y=x%d;d*=10;
if(j==0)max=w*y;
else if(w*y>max)max=w*y;}
x=max;c++;d=10;}
printf("%d\n",c);
}}
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:24: error: break statement not within loop or switch
    7 | scanf("%d",&n);if(n==0)break;
      |                        ^~~~~
a.cc: At global scope:
a.cc:21:1: error: expected unqualified-id before 'return'
   21 | return 0;
      | ^~~~~~
a.cc:22:1: error: expected declaration before '}' token
   22 | }
      | ^
Language: C++

#include<stdio.h>

int main(){

int n;

scanf("%d",&n);if(n==0)break;
int x;
for(int i=0;i<n;i++)
{scanf("%d",&x);
int c=0;int d=10;int w=0,y=0;int max=0;
while(x/10!=0){
for(int j=0;j<6;j++)
{
w=x/d;y=x%d;d*=10;
if(j==0)max=w*y;
else if(w*y>max)max=w*y;}
x=max;c++;d=10;}
printf("%d\n",c);
}
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:24: error: break statement not within loop or switch
    7 | scanf("%d",&n);if(n==0)break;
      |                        ^~~~~
Language: C++

#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<map>
#include<algorithm>

using namespace std;
typedef long long int lli;

lli tejun2(int s) {
    lli res=0;
    
    for(lli i=1; i<1e7; i*=10)
        res = max(res, (s%i)*(s/i));
    return res;
}

int main(void) {
    int q;
    scanf("%d", &q);
    for(int i=0; i<q; i++) {
        int n;
        scanf("%d", &n);

        set<lli> hist;
        lli last=n;
        for(int i=0; i<100000; i++) {
            if(last/10 == 0) {
                printf("%d\n", i);
                break;
            }
            if(hist.find((last = tejun2(last))) == hist.end()) {
                hist.insert(last);
            }
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:9: error: 'set' was not declared in this scope
   25 |         set<lli> hist;
      |         ^~~
a.cc:6:1: note: 'std::set' is defined in header '<set>'; this is probably fixable by adding '#include <set>'
    5 | #include<algorithm>
  +++ |+#include <set>
    6 | 
a.cc:25:16: error: expected primary-expression before '>' token
   25 |         set<lli> hist;
      |                ^
a.cc:25:18: error: 'hist' was not declared in this scope
   25 |         set<lli> hist;
      |                  ^~~~
a.cc:37:2: error: expected '}' at end of input
   37 | }
      |  ^
a.cc:18:16: note: to match this '{'
   18 | int main(void) {
      |                ^
Language: C++

#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <sstream>
using namespace std;

int main(int argc, char *argv[])
{
    int q, cnt, tmp;
    string n;
    vector<int>::iterator itr;
    cin >> q;
    while (cin >> n, q--) {
        vector<int> cache;
        for (cnt = 0;; ++cnt) {
            if (n.length() == 1)
                break;
            int kmax = 0;
            for (int i = 1; i < n.length(); ++i) {
                tmp = atoi(n.substr(0, i).c_str()) * atoi(n.substr(i).c_str());
                kmax = max(tmp, kmax);
            }
            itr = find(cache.begin(), cache.end(), kmax);
            if (itr != cache.end()) {
                cnt = -1;
                break;
            }
            else
                cache.push_back(kmax);
            stringstream ss;
            ss << kmax;
            n = ss.str();
        }
        cout << cnt << endl;
    }
    return 0;
}
[taguchi@Ken

Compiler output:
a.cc:39:9: error: stray '@' in program
   39 | [taguchi@Ken
      |         ^
a.cc:39:1: error: expected unqualified-id before '[' token
   39 | [taguchi@Ken
      | ^
Language: C++

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

int main() {
	int q, n, m, i, j, a, b, d, cnt, max;

	cin >> q;

	for (i = 0; i < q; i++) {
		cnt = 0; 
		cin >> n;

		while (n / 10 != 0) {
			d = 1; m = n; max = 0;

			while (m / 10 != 0) {
				m /= 10;
				d++;
			}

			for (j = 1; j < d; j++) {
				a = n / pow(10, j);
				b = n - a * pow(10, j);
				if (a * b > max) {
					max = a * b;
				}
			}

			n = max;
			cnt++;
		}
		
		cout << cnt << endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:41: error: 'pow' was not declared in this scope
   24 |                                 a = n / pow(10, j);
      |                                         ^~~
Language: C++

#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

inline int nextInt() { int d; cin >> d; return d; }

bool isUsed[(int)1e6 + 1];

int getNext(int n) {
  int ret = -1;
  for (int d = 10; d < n; d *= 10) {
    int n1 = n % d;
    int n2 = (n - n1) / d;
    ret = max(ret, n1 * n2);
  }

  return ret;
}

int solve(int n) {
  int step = 0;
  memset(isUsed, false, (int)1e6 + 1);
  while (true) {
    if (n < 10) {
      return step;
    }
    if (isUsed[n]) {
      return -1;
    }
    isUsed[n] = true;
    n = getNext(n);
    step++;
  }
  return 0;
}

int main() {
  int Q = nextInt();

  for (int i = 0; i < Q; i++) {
    int R = nextInt();
    int ans = solve(R);
    cout << ans << endl;
  }

  return 0;
}

Compiler output:
a.cc: In function 'int solve(int)':
a.cc:24:3: error: 'memset' was not declared in this scope
   24 |   memset(isUsed, false, (int)1e6 + 1);
      |   ^~~~~~
a.cc:4:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    3 | #include <vector>
  +++ |+#include <cstring>
    4 |
Language: C++

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

using namespace std;

int
main() {
  // int a = std::stoi("123");
  // int a {std::stoi("0123") };
  // vector<int> in { 9, 99, 123 };

  int n;
  cin >> n;
  vector<int> in;
  
  for (int i=0; i<n; ++i) {
    int v;
    cin >> v;
    in.push_back( stoi(v) );
  }
  
  for (auto i:in ) {
    int a = i, cnt=0;;
    string s{};
    while (a >= 10) {
      auto enum_int = [&] {
	s = to_string(a);
	vector<pair<string,string> > xs;    
	for (int i=1;i<s.size(); i++) {
	  xs.push_back( std::make_pair( s.substr(0,i), s.substr(i) ) );
	}
	return xs;
      };
      auto && xs = enum_int();
      int m = 0;
      for (auto & x : xs) {
	m = max(m, std::stoi(x.first) * std::stoi(x.second) );
      }
      a = m;
      cnt++;
    }
    cout << cnt << endl;    
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:23: error: no matching function for call to 'stoi(int&)'
   21 |     in.push_back( stoi(v) );
      |                   ~~~~^~~
In file included from /usr/include/c++/14/string:54,
                 from a.cc:1:
/usr/include/c++/14/bits/basic_string.h:4164:3: note: candidate: 'int std::__cxx11::stoi(const std::string&, std::size_t*, int)'
 4164 |   stoi(const string& __str, size_t* __idx = 0, int __base = 10)
      |   ^~~~
/usr/include/c++/14/bits/basic_string.h:4164:22: note:   no known conversion for argument 1 from 'int' to 'const std::string&' {aka 'const std::__cxx11::basic_string<char>&'}
 4164 |   stoi(const string& __str, size_t* __idx = 0, int __base = 10)
      |        ~~~~~~~~~~~~~~^~~~~
/usr/include/c++/14/bits/basic_string.h:4432:3: note: candidate: 'int std::__cxx11::stoi(const std::wstring&, std::size_t*, int)'
 4432 |   stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
      |   ^~~~
/usr/include/c++/14/bits/basic_string.h:4432:23: note:   no known conversion for argument 1 from 'int' to 'const std::wstring&' {aka 'const std::__cxx11::basic_string<wchar_t>&'}
 4432 |   stoi(const wstring& __str, size_t* __idx = 0, int __base = 10)
      |        ~~~~~~~~~~~~~~~^~~~~
Language: C++

#include <iostream>
#include <math.h>
#include <vector>
using namespace std;

int size (int n) {
    int s = 0;
    for (int j = 0;; j++) {
        if (n == 0) {
            s = 1;
            break;
        }
        else if ((pow(10, j)) <= n and n < (pow(10, j + 1))) {
            s++;
            break;
        }
        else s++;
    }
    return s;
}

int main () {
    int q;
    cin >> q;
    for (int i = 0; i < q; i++) {
        int n;
        cin >> n;
        int res = 0;
        while (size(n) != 1) {
            vector<int> v;
            for (int j = 1; j < size(n); j++) {
                int a, b;
                a = n % int(pow(10, j));
                b = n / int(pow(10, j));
                v.push_back(a * b);
            }
            n = *max_element(v.begin(), v.end());
            res++;
        }
        cout << res << endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:37:18: error: 'max_element' was not declared in this scope
   37 |             n = *max_element(v.begin(), v.end());
      |                  ^~~~~~~~~~~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

#define all(vec) vec.begin(),vec.end()
int main(){
    int n,m;cin >> n >> m;

    vector<int> index_of_x(n),index_of_y(n);
    for(int i=0;i<n;i++){
        cin >> index_of_x[i] >> index_of_y[i];
    }
    vector<int> value_of_x = index_of_x,
                value_of_y = index_of_y;

    sort(all(value_of_x));
    sort(all(value_of_y));
    value_of_x.erase(unique(all(value_of_x)),value_of_x.end());
    value_of_y.erase(unique(all(value_of_y)),value_of_y.end());
    for(int i=0;i<n;i++){
        index_of_x[i] = lower_bound(all(value_of_x),index_of_x[i]) - value_of_x.begin();
        index_of_y[i] = lower_bound(all(value_of_y),index_of_y[i]) - value_of_y.begin();
    }
    vector<vector<int>> p(value_of_y.size(),vector<int>(value_of_x.size()));
    for(int i=0;i<n;i++){
        p[index_of_y[i]][index_of_x[i]] += 1;
    }
    v = calc_sum(p);

    for(int i=0;i<m;i++){
        int x1,y1,x2,y2;
        cin >> x1 >> y1 >> x2 >> y2;

        int sx = lower_bound(all(value_of_x),x1) - value_of_x.begin();
        int gx = upper_bound(all(value_of_x),x2) - value_of_x.begin();
        int sy = lower_bound(all(value_of_y),y1) - value_of_y.begin();
        int gy = upper_bound(all(value_of_y),y2) - value_of_y.begin();

        int ans = v[gy][gx] - v[sy][gx] - v[gy][sx] + v[sy][sx];
        cout << ans << endl;
    }

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:5: error: 'v' was not declared in this scope
   30 |     v = calc_sum(p);
      |     ^
a.cc:30:9: error: 'calc_sum' was not declared in this scope
   30 |     v = calc_sum(p);
      |         ^~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;

int main(){
  int n, m, x, y, xx, yy, ans;
  std::cin >> n >> m;
  vector<pii> t(n + 1)
  t[n].first = t[n].second = 1e9 + 7;
  for (int i = 0; i < n; i++) {
    scanf("%d %d", &tx[i], &ty[i]);
  }
  sort(t.begin(), t.end());
  for (int i = 0; i < m; i++) {
    ans = 0;
    scanf("%d %d %d %d", &x, &y, &xx, &yy);
    for (int j = 0; j < n; j++) {
      if(x <= t[j].first and t[j].first <= xx){
        if(y <= t[j].second and t[j].second <= yy)ans++;
      }else if(x < t[j].first){
        break;
      }
    }
    printf("%d\n", ans);
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: expected ',' or ';' before 't'
    9 |   t[n].first = t[n].second = 1e9 + 7;
      |   ^
a.cc:11:21: error: 'tx' was not declared in this scope; did you mean 't'?
   11 |     scanf("%d %d", &tx[i], &ty[i]);
      |                     ^~
      |                     t
a.cc:11:29: error: 'ty' was not declared in this scope; did you mean 't'?
   11 |     scanf("%d %d", &tx[i], &ty[i]);
      |                             ^~
      |                             t
Language: C++

#include<iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
int n, m;
pair<int, int> x[10000];
int a, b, c, d, e, f, sum, l, r, m;
int main() {
	cin >> n >> m;
	for (int i = 0; i < n; i++) {
		scanf("%d %d", &x[i].first, &x[i].second);
	}
	sort(x, x + n);
	for (int i = 0; i < m; i++) {
		scanf("%d %d %d %d", &a, &b, &c, &d);
		sum = 0;
		l = 0; r = n; m = n / 2;
		for (int j = 0; j < 30; j++) {
			m = (l + r) / 2;
			if (x[m].first < a) {
				l = m;
			}
			if (x[m].first > a) {
				r = m;
			}
		}
		e = m;
		l = 0; r = 0;
		for (int j = 0; j < 30; j++) {
			m = (l + r) / 2;
			if (x[m].first < a) {
				l = m;
			}
			if (x[m].first > a) {
				r = m;
			}
		}
		f = m;
		for (int j = e; j <= f; j++) {
			if (a <= x[j].first) {
				if (x[j].first <= c) {
					if (b <= x[j].second) {
						if (x[j].second <= d) {
							sum++;
						}
					}
				}
			}

		}
		printf("%d\n", sum);
	}
}

Compiler output:
a.cc:7:34: error: redefinition of 'int m'
    7 | int a, b, c, d, e, f, sum, l, r, m;
      |                                  ^
a.cc:5:8: note: 'int m' previously declared here
    5 | int n, m;
      |        ^
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;
int main(){
    int n, m;
    cin >> n >> m;
    
    
    vector<int> A(n*n, 0);
    vector<int> x(n);
    vector<int> y(n);
    vector<int> xb(m);
    vector<int> yb(m);
    vector<int> xe(m);
    vector<int> ye(m);
    vector<int> xs;
    vector<int> ys;
    
    for(int j = 0; j < n; j++)
        cin >> x[j] >> y[j];
    
    for(int i = 0; i < m; i++)
        cin >> xb[i] >> yb[i] >> xe[i] >> ye[i];
    
    xs = x;
    ys = y;
    sort( xs.begin(), xs.end() );
    sort( ys.begin(), ys.end() );
    xs.erase( unique( xs.begin(), xs.end() ), xs.end() );
    ys.erase( unique( ys.begin(), ys.end() ), ys.end() );
    
    for(int j = 0; j < n; j++){
        x[j] = find( xs.begin(), xs.end(), x[j] ) - xs.begin();
        y[j] = find( ys.begin(), ys.end(), y[j] ) - ys.begin();
    }
    
    for(int i = 0; i < m; i++){
        xb[i] = lower_bound( xs.begin(), xs.end(), xb[i] ) - xs.begin();
        yb[i] = lower_bound( ys.begin(), ys.end(), yb[i] ) - ys.begin();
        xe[i] = upper_bound( xs.begin(), xs.end(), xe[i] ) - xs.begin() - 1;
        ye[i] = upper_bound( ys.begin(), ys.end(), ye[i] ) - ys.begin() - 1;
    }
    
    
    
    for(int j = 0; j < n; j++){
        for(int k = 0; k < n; k++){
            A[ n*y[j] + x[k] ] += 1;
        }
    }
    
    for(int j = 0; j < n; j++){
        for(int k = 1; k < n; k++){
            A[n*j+k] += A[n*j+k-1];
        }
    }
    for(int k = 0; k < n; k++){
        for(int j = 1; j < n; j++){
            A[n*j+k] += A[n*(j-1)+k];
        }
    }
    
    for(int i = 0; i < m; i++){
        int a, b, c;
        c = A[ n*(yb[i]-1) + (xb[i]-1) ];
        if(xb[i] > 0)
            a = A[ n*ye[i] + (xb[i]-1) ];
        else{
            c = a = 0;
        if(yb[i] > 0)
            b = A[ n*(yb[i]-1) + xe[i] ];
        else
            c = b = 0;
        cout << A[ n*ye[i] + xe[i] ] - a - b + c <<endl;
    }
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:79:2: error: expected '}' at end of input
   79 | }
      |  ^
a.cc:6:11: note: to match this '{'
    6 | int main(){
      |           ^
Language: C++

#include <iostream>
#include <algorithm>
using namespace std;
int n, q, x1, y1, x2, y2, x[5555], y[5555]; pair<int, int> p[5555];
int main() {
	scanf("%d%d", &n, &q);
	for(int i = 0; i < n; i++) scanf("%d%d", &p[i].first, &p[i].second);
	sort(p, p + n);
	for(int i = 0; i < n; i++) x[i] = p[i].first, y[i] = p[i].second;
	for(int i = 0; i < q; i++) {
		scanf("%d%d%d%d", &x1, &y1, &x2, &y2);
		int l = lower_bound(x, x + n, x1);
		int r = lower_bound(x, x + n, x2 + 1);
		int c = 0;
		for(int j = l; j < r; j++) {
			if(y1 <= y[j] && y[j] <= y2) c++;
		}
		printf("%d\n", c);
	}
}

Compiler output:
a.cc:4:15: warning: built-in function 'y1' declared as non-function [-Wbuiltin-declaration-mismatch]
    4 | int n, q, x1, y1, x2, y2, x[5555], y[5555]; pair<int, int> p[5555];
      |               ^~
a.cc: In function 'int main()':
a.cc:12:36: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   12 |                 int l = lower_bound(x, x + n, x1);
      |                         ~~~~~~~~~~~^~~~~~~~~~~~~~
      |                                    |
      |                                    int*
a.cc:13:36: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   13 |                 int r = lower_bound(x, x + n, x2 + 1);
      |                         ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
      |                                    |
      |                                    int*
Language: C++

#include <iostream>
#include <algorithm>
using namespace std;
int n, q, xa, ya, xb, yb, x[5555], y[5555]; pair<int, int> p[5555];
int main() {
	scanf("%d%d", &n, &q);
	for(int i = 0; i < n; i++) scanf("%d%d", &p[i].first, &p[i].second);
	sort(p, p + n);
	for(int i = 0; i < n; i++) x[i] = p[i].first, y[i] = p[i].second;
	for(int i = 0; i < q; i++) {
		scanf("%d%d%d%d", &xa, &ya, &xb, &yb);
		int l = lower_bound(x, x + n, xa);
		int r = lower_bound(x, x + n, xb + 1);
		int c = 0;
		for(int j = l; j < r; j++) {
			if(ya <= y[j] && y[j] <= yb) c++;
		}
		printf("%d\n", c);
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:36: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   12 |                 int l = lower_bound(x, x + n, xa);
      |                         ~~~~~~~~~~~^~~~~~~~~~~~~~
      |                                    |
      |                                    int*
a.cc:13:36: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   13 |                 int r = lower_bound(x, x + n, xb + 1);
      |                         ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
      |                                    |
      |                                    int*
Language: C++

#include <iostream>
#include <algorithm>
using namespace std;
int n, q, xa, ya, xb, yb, xc[5555], yc[5555], xd[5555], yd[5555]; pair<int, int> p1[5555], p2[5555];
int main() {
	scanf("%d%d", &n, &q);
	for(int i = 0; i < n; i++) scanf("%d%d", &p1[i].first, &p1[i].second), p2[i] = make_pair(p1[i].second, p1[i].first);
	sort(p1, p1 + n); sort(p2, p2 + n);
	for(int i = 0; i < n; i++) xc[i] = p1[i].first, yc[i] = p1[i].second, xd[i] = p2[i].second, yd[i] = p2[i].first;
	for(int i = 0; i < q; i++) {
		scanf("%d%d%d%d", &xa, &ya, &xb, &yb);
		int l1 = lower_bound(xc, xc + n, xa) - x;
		int r1 = lower_bound(xc, xc + n, xb + 1) - x;
		int l2 = lower_bound(yc, yc + n, ya) - y;
		int r2 = lower_bound(yc, yc + n, yb + 1) - y;
		int c = 0;
		if(r1 - l1 <= r2 - l2) {
			for(int j = l1; j < r1; j++) {
				if(ya <= yc[j] && yc[j] <= yb) c++;
			}
		}
		else {
			for(int j = l2; j < r2; j++) {
				if(xa <= xd[j] && xd[j] <= xb) c++;
			}
		}
		printf("%d\n", c);
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:56: error: 'x' was not declared in this scope
   12 |                 int l1 = lower_bound(xc, xc + n, xa) - x;
      |                                                        ^
a.cc:14:56: error: 'y' was not declared in this scope
   14 |                 int l2 = lower_bound(yc, yc + n, ya) - y;
      |                                                        ^
Language: C++

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

#define for_(i,a,b) for(int i=(a);i<(b);++i)
#define allof(a) (a).begin(),(a).end()

void uniqueVector(vector< int >& vec) {
	sort(allof(vec));
	vec.erase(unique(allof(vec)), vec.end());
}

void solve(
	int n, int m,
	const vector< int >& tx, const vector< int >& ty
	) {
	vector< int > x_sort = tx, y_sort = ty;
	uniqueVector(x_sort);
	uniqueVector(y_sort);
	
	vector< vector< int > > imos(n + 1, vector< int >(n + 1, 0));
	for_(i,0,n) {
		int x = lower_bound(allof(x_sort), tx[i]) - x_sort.begin() + 1;
		int y = lower_bound(allof(y_sort), ty[i]) - y_sort.begin() + 1;
		++imos[y][x];
	}
	
	for_(y,0,n+1) for_(x,0,n) imos[y][x + 1] += imos[y][x];
	for_(x,0,n+1) for_(y,0,n) imos[y + 1][x] += imos[y][x];
	
	for_(i,0,m) {
		int lft, bot, rgt, top
		scanf("%d %d %d %d", &lft, &bot, &rgt, &top);
		
		int lx = lower_bound(allof(x_sort), lft) - x_sort.begin() + 1;
		int by = lower_bound(allof(y_sort), bot) - y_sort.begin() + 1;
		int rx = upper_bound(allof(x_sort), rgt) - x_sort.begin();
		int ty = upper_bound(allof(y_sort), top) - y_sort.begin();
		
		printf("%d\n", imos[ty][rx] - imos[ty][lx - 1] - imos[by - 1][rx] + imos[by - 1][lx - 1]);
	}
}

int main() {
	int n, m;
	scanf("%d %d", &n, &m);
	
	vector< int > tx(n), ty(n);
	for_(i,0,n) scanf("%d %d", &tx[i], &ty[i]);
	
	solve(n, m, tx, ty);
}

Compiler output:
a.cc: In function 'void solve(int, int, const std::vector<int>&, const std::vector<int>&)':
a.cc:32:17: error: expected initializer before 'scanf'
   32 |                 scanf("%d %d %d %d", &lft, &bot, &rgt, &top);
      |                 ^~~~~
a.cc:37:53: error: 'top' was not declared in this scope
   37 |                 int ty = upper_bound(allof(y_sort), top) - y_sort.begin();
      |                                                     ^~~
Language: C++

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

using namespace std;

struct Pos{
	int x;
	int y;
};

int Count(list<Pos> pos, int x1, int y1, int x2, int y2){
	int count = 0;
	list<int>::iterator itr = pos.begin();
	for(int i = 0; i < pos.size(); i++,itr++){
		Pos now = *itr;
		if(x1 <= now.x && now.x <= x2 && y1 <= now.y && now.y <= y2){
			count++;	
		}
	}
	return count;
}

int main(){
	ios::sync_with_stdio(false);
	int n, m, x1, y1, x2, y2;
	list<Pos> pos;
	
	cin >> n >> m;
	
	for(int i = 0; i < n; i++){
		cin >> x1 >> x2;
		Pos temp = {x1, x2};
		pos.push_back(temp);
	}
	
	for(int i = 0; i < m; i++){
		cin >> x1 >> y1 >> x2 >> y2;
		cout << Count(pos, x1, y1, x2, y2);
		cout << "\n";
	}
	return 0;
}

Compiler output:
a.cc: In function 'int Count(std::__cxx11::list<Pos>, int, int, int, int)':
a.cc:15:44: error: conversion from '_List_iterator<Pos>' to non-scalar type '_List_iterator<int>' requested
   15 |         list<int>::iterator itr = pos.begin();
      |                                   ~~~~~~~~~^~
a.cc:17:27: error: conversion from 'int' to non-scalar type 'Pos' requested
   17 |                 Pos now = *itr;
      |                           ^~~~
Language: C++

#include <bits/stdc++.h>
#define int long long
using namespace std;
using pii=pair<int,int>;
#define REPF(i,a,n) for(int i=(a);i<(int)(n);++i)
#define REP(i,n) REPF(i,0,n)
#define ALL(c) begin(c),end(c)

#include "../tools/debug_local.hpp"

int sum[5100][5100];
signed main() {
    int n,m;
    cin>>n>>m;
    vector<int> x(n),y(n);
    vector<pii> p(n);
    REP(i,n) {
        cin>>p[i].first>>p[i].second;
        x[i]=p[i].first;
        y[i]=p[i].second;
    }
    sort(ALL(x));
    x.erase(unique(ALL(x)),end(x));
    sort(ALL(y));
    y.erase(unique(ALL(y)),end(y));

    auto get_x=[&](int i) {
        return distance(begin(x),lower_bound(ALL(x),i));
    };
    auto get_y=[&](int i) {
        return distance(begin(y),lower_bound(ALL(y),i));
    };

    REP(i,n) {
        int xx=get_x(p[i].first);
        int yy=get_y(p[i].second);
        sum[xx][yy]++;
    }
    REP(i,5100) REPF(j,1,5100) sum[i][j]+=sum[i][j-1];
    REP(j,5100) REPF(i,1,5100) sum[i][j]+=sum[i-1][j];

    REP(i,m) {
        int x1,y1,x2,y2;
        cin>>x1>>y1>>x2>>y2;
        int xx1=get_x(x1);
        int yy1=get_y(y1);
        int xx2=get_x(x2);
        int yy2=get_y(y2);
        if(find(ALL(x),x2)==end(x)) xx2--;
        if(find(ALL(y),y2)==end(y)) yy2--;

        int ans=sum[xx2][yy2];
        if(xx1>0) {
            ans-=sum[xx1-1][yy2];
        }
        if(yy1>0) {
            ans-=sum[xx2][yy1-1];
        }
        if(xx1>0 && yy1>0) {
            ans+=sum[xx1-1][yy1-1];
        }
        cout<<ans<<endl;
    }
    return 0;
}

Compiler output:
a.cc:9:10: fatal error: ../tools/debug_local.hpp: No such file or directory
    9 | #include "../tools/debug_local.hpp"
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<iostream>
#include<utility>
#include<cstdio>
#define F first
#define S second
using namespace std;
int main(){
  int n,m;cin>>n>>m;
  vector<pair<int,int> > pii(n);
  for(int i=0;i<n;i++)
    cin>>pii[i].first>>pii[i].second;
  for(int i=0;i<m;i++){
    int x1,y1,x2,y2;
    cin>>x1>>y1>>x2>>y2;
    int cnt=0;
    for(int j=0;j<n;j++){
      if(x1<=pii[j].first&&pii[j].first<=x2&&y1<=pii[j].second&&pii[j].second<=y2)
	cnt++;
    }
    printf("%d\n",cnt);
  }
  // cout<<ans<<endl;
  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: 'vector' was not declared in this scope
    9 |   vector<pair<int,int> > pii(n);
      |   ^~~~~~
a.cc:4:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    3 | #include<cstdio>
  +++ |+#include <vector>
    4 | #define F first
a.cc:9:24: error: expected primary-expression before '>' token
    9 |   vector<pair<int,int> > pii(n);
      |                        ^
a.cc:9:26: error: 'pii' was not declared in this scope
    9 |   vector<pair<int,int> > pii(n);
      |                          ^~~