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


#include<bits/stdc++.h>
using namespace std;
int x,y,m,n,he;
int main()
{
    cin>>x>>y>>m>>n;
    for(i=0;i<=x;i++)
    {
     	for(j=0;j<=y;j++)
        {
      		if((n-i*500-j*100>=0)&&(n-i*500-j*100<=m*50)) 
            	{
            		he++;
                }
        }
    }
    cout<<he;
    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: 'i' was not declared in this scope
    8 |     for(i=0;i<=x;i++)
      |         ^
a.cc:10:13: error: 'j' was not declared in this scope
   10 |         for(j=0;j<=y;j++)
      |             ^
Language: C++

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

int a,b,c,x;
int sum=0;
 
int main() {
  cin>>a>>b>>c>>x;
  
  for(int i=0;i<a;i++){
    for(int k=0;k<b;k++){
        for(int t=0;t<c;t++){
          int total = 500*a+100*b+50*c;
          if(total==x)
            sum++
        }
    }
  }
  cout<<sum<<endl;
          

  

}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:18: error: expected ';' before '}' token
   15 |             sum++
      |                  ^
      |                  ;
   16 |         }
      |         ~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long
#define rep(i,n) for(int i=0 ; i<(n) ;i++)
ll solve(ll a, ll b ,ll c, ll x){
	ll count = 0;
	for(int i=0; i < a; i++){
		for(int j=0; j<b ;j++){
			for(int k=0; k<c;k++){
				if(i*500 + j*100 + k*50 == x) count++;
			}
		}
	}
	return count;
}

int main(){
	ll a,b,c,x; cin >> a >> b >> c >>x;
	ll ans = solve(a,b,c,x);
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc:3:21: error: expected ';' before 'll'
    3 | using ll = long long
      |                     ^
      |                     ;
    4 | #define rep(i,n) for(int i=0 ; i<(n) ;i++)
    5 | ll solve(ll a, ll b ,ll c, ll x){
      | ~~                   
a.cc: In function 'int main()':
a.cc:18:9: error: 'll' was not declared in this scope
   18 |         ll a,b,c,x; cin >> a >> b >> c >>x;
      |         ^~
a.cc:18:28: error: 'a' was not declared in this scope
   18 |         ll a,b,c,x; cin >> a >> b >> c >>x;
      |                            ^
a.cc:18:33: error: 'b' was not declared in this scope
   18 |         ll a,b,c,x; cin >> a >> b >> c >>x;
      |                                 ^
a.cc:18:38: error: 'c' was not declared in this scope
   18 |         ll a,b,c,x; cin >> a >> b >> c >>x;
      |                                      ^
a.cc:18:42: error: 'x' was not declared in this scope
   18 |         ll a,b,c,x; cin >> a >> b >> c >>x;
      |                                          ^
a.cc:19:11: error: expected ';' before 'ans'
   19 |         ll ans = solve(a,b,c,x);
      |           ^~~~
      |           ;
a.cc:20:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   20 |         cout << ans << endl;
      |                 ^~~
      |                 abs
Language: C++

#include<stdio.h>
#include<algorithm>
using namespace std;
using ll = long long
#define rep(i,n) for(int i=0 ; i<(n) ;i++)
ll solve(ll a, ll b ,ll c, ll x){
	ll count = 0;
	for(int i=0; i < a; i++){
		for(int j=0; j<b ;j++){
			for(int k=0; k<c;k++){
				if(i*500 + j*100 + k*50 == x) count++;
			}
		}
	}
	return count;
}

int main(){
	ll a,b,c,x; cin >> a >> b >> c >>x;
	ll ans = solve(a,b,c,x);
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc:4:21: error: expected ';' before 'll'
    4 | using ll = long long
      |                     ^
      |                     ;
    5 | #define rep(i,n) for(int i=0 ; i<(n) ;i++)
    6 | ll solve(ll a, ll b ,ll c, ll x){
      | ~~                   
a.cc: In function 'int main()':
a.cc:19:9: error: 'll' was not declared in this scope
   19 |         ll a,b,c,x; cin >> a >> b >> c >>x;
      |         ^~
a.cc:19:21: error: 'cin' was not declared in this scope
   19 |         ll a,b,c,x; cin >> a >> b >> c >>x;
      |                     ^~~
a.cc:3:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    2 | #include<algorithm>
  +++ |+#include <iostream>
    3 | using namespace std;
a.cc:19:28: error: 'a' was not declared in this scope
   19 |         ll a,b,c,x; cin >> a >> b >> c >>x;
      |                            ^
a.cc:19:33: error: 'b' was not declared in this scope
   19 |         ll a,b,c,x; cin >> a >> b >> c >>x;
      |                                 ^
a.cc:19:38: error: 'c' was not declared in this scope
   19 |         ll a,b,c,x; cin >> a >> b >> c >>x;
      |                                      ^
a.cc:19:42: error: 'x' was not declared in this scope
   19 |         ll a,b,c,x; cin >> a >> b >> c >>x;
      |                                          ^
a.cc:20:11: error: expected ';' before 'ans'
   20 |         ll ans = solve(a,b,c,x);
      |           ^~~~
      |           ;
a.cc:21:9: error: 'cout' was not declared in this scope
   21 |         cout << ans << endl;
      |         ^~~~
a.cc:21:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:21:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
   21 |         cout << ans << endl;
      |                 ^~~
      |                 abs
a.cc:21:24: error: 'endl' was not declared in this scope
   21 |         cout << ans << endl;
      |                        ^~~~
a.cc:3:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    2 | #include<algorithm>
  +++ |+#include <ostream>
    3 | using namespace std;
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ALL(v) (v).begin(),(v).end()
#define REP(i,p,n) for(int i=p;i<(int)(n);++i)
#define rep(i,n) REP(i,0,n)
#define SZ(x) ((int)(x).size())
#define debug(x) cerr << #x << ": " << x << '\n'
#define INF 999999999
typedef long long int Int;
typedef pair<int,int> P;
using ll = long long;
using VI = vector<int>;
int main(){
  int a,b,c;cin >> a >> b >> c;
  int ans = 0;
  rep(i,a+1){
    rep(j,b+1){
      rep(k,c+1){
        if(500*i+100*j+50*k==x) ans++;
      }
    }
  }
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:30: error: 'x' was not declared in this scope
   19 |         if(500*i+100*j+50*k==x) ans++;
      |                              ^
Language: Java

import java.util.*;

class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int C = sc.nextInt();
        int X = sc.nextInt();

        int res = 0;
        for(int a=0;a<=A;a++){
            for(int b=0;b<=B;b++){
                int c = (x-a*500-b*100)/50;
                if(c>=0 && c<=C){
                    res++;
                }
            }
        }
        System.out.println(res);
    }
}

Compiler output:
Main.java:14: error: cannot find symbol
                int c = (x-a*500-b*100)/50;
                         ^
  symbol:   variable x
  location: class Main
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int a,b,c,x,s=0;
  cin>>a>>b>>c>>x;
  for(int p=1;p<=a;p++){
    for(int q=1;q<=b;q++){
      
        if(x/50-p*10-q*2<=r){
          s++;
        }
      
    }
  }
  cout<<s<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:27: error: 'r' was not declared in this scope
    9 |         if(x/50-p*10-q*2<=r){
      |                           ^
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define rep(X,N) for(ll X = 0; X < (N); X++)
#define PI (acos(-1.0))
#define pback push_back
#define mpair make_pair
#define MODN 1000000007
#define ALL(V) (V).begin(),(V).end()
#define CERR if(false) cerr

using namespace std;

int main(){

    int a,b,c,x;
    cin >> a;
    cin >> b;
    cin >> c;
    cin >> x;

    int ans = 0;

    rep(i,a + 1){
        rep(j, b + 1){
            rep(k, c + 1){
                if(500 * a + 100 * b + 50 * c == x) ans++
            }
        }
    }

    cout << ans << endl
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:58: error: expected ';' before '}' token
   26 |                 if(500 * a + 100 * b + 50 * c == x) ans++
      |                                                          ^
      |                                                          ;
   27 |             }
      |             ~                                             
a.cc:31:24: error: expected ';' before 'return'
   31 |     cout << ans << endl
      |                        ^
      |                        ;
   32 |     return 0;
      |     ~~~~~~
Language: C++

    #include<iostream>
    using namespace std;
    int main()
    {
        int A,B,C,X;
        int count=0;
        cin >> A >> B>> C >>X;
        for(int a=0;a<=A;a++){
            for(int b=0;a<=B;b++){
                for(int c=0;a<=C;c++){
                    if(a*500+b*100+c*50==x)count++;
                }
            }
        }
        cout << count << endl;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:11:42: error: 'x' was not declared in this scope
   11 |                     if(a*500+b*100+c*50==x)count++;
      |                                          ^
Language: C++

#include<iostream>
using namespace std;
int main(){
  int a, b, c, x;cin>>a>>b>>c>>x;
  int cnt = 0;
  for(int i=0;i<a;i++){for(int j=0;j<b;j++){for int k=0;k<c;k++}if(500*i+100*j+50*k==x)cnt++;}
  cout<<cnt<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:49: error: expected '(' before 'int'
    6 |   for(int i=0;i<a;i++){for(int j=0;j<b;j++){for int k=0;k<c;k++}if(500*i+100*j+50*k==x)cnt++;}
      |                                                 ^~~
      |                                                 (
a.cc:6:64: error: expected ')' before '}' token
    6 |   for(int i=0;i<a;i++){for(int j=0;j<b;j++){for int k=0;k<c;k++}if(500*i+100*j+50*k==x)cnt++;}
      |                                                 ~~~            ^
      |                                                                )
a.cc:6:64: error: expected primary-expression before '}' token
a.cc:6:78: error: 'j' was not declared in this scope
    6 |   for(int i=0;i<a;i++){for(int j=0;j<b;j++){for int k=0;k<c;k++}if(500*i+100*j+50*k==x)cnt++;}
      |                                                                              ^
a.cc:6:83: error: 'k' was not declared in this scope
    6 |   for(int i=0;i<a;i++){for(int j=0;j<b;j++){for int k=0;k<c;k++}if(500*i+100*j+50*k==x)cnt++;}
      |                                                                                   ^
Language: C++

#include <iostream>
using namespace std;

int main() {
  int A;
  int B;
  int C;
  int X;
  
  cin >> A >> B >> C >> X;
  
  int res = 0;
  
  for (int a = 0; i <= A; ++a) {
    for (int b = 0; i <= B; ++b) {
      for (int c = 0; i <= C; ++c) {
        int total = 500*a + 100*b + 50*c;
        if(total == X) ++res;
      }
    }
  }
  

  cout << res << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:19: error: 'i' was not declared in this scope
   14 |   for (int a = 0; i <= A; ++a) {
      |                   ^
Language: C++

#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <map>
#include <queue>
typedef long long ll;
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define mod 1000000007

int main(){
	int A,B,C,X;
	cin >> A >> B >> C >> X;
	int ans = 0;
	for(int a = 0; a <= A; a++){
	}for(int b = 0; b <= B; b++){
	}for(int c = 0; c <= C; c++){
		int sum = 500*a + 100*b + 50*c;
		if(sum == X){
			ans++;
		}
	}
	cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:31: error: 'a' was not declared in this scope
   19 |                 int sum = 500*a + 100*b + 50*c;
      |                               ^
a.cc:19:39: error: 'b' was not declared in this scope
   19 |                 int sum = 500*a + 100*b + 50*c;
      |                                       ^
Language: Java

import java.util.*;
public class Main{
	public static void main(String[] args){
      Scanner sc = new Scanner(System.in);
      int a = sc.nextInt();
      int b = sc.nextInt();
      int c = sc.nextInt();
      int x = sc.nextInt();
      int count = 0;
      for(int i = 0;i <= a;i++){
      	for(int j = 0;j <= b;j++){
        	for(int k = 0;k <= c;k++){
            	if(500*a+100*b+50*c==x)count++;
            }
        }
      }
      Sysetm.out.println(count);
    }
}

Compiler output:
Main.java:17: error: package Sysetm does not exist
      Sysetm.out.println(count);
            ^
1 error
Language: C++

#include <iostream>
using namespace std;

int main(){
  int A,B,C,X;
  cin>>A>>B>>C>>X;
  int ans=0;
  
  for (int i =0;i<A;++i){
    for (int j =0;j<B;++j){
      for (int k =0;k<C;++k){
        if (i*500+j*100+k*50==X)++ans
      }
    }
  }
  cout<<ans<<endl;
}
         


Compiler output:
a.cc: In function 'int main()':
a.cc:12:38: error: expected ';' before '}' token
   12 |         if (i*500+j*100+k*50==X)++ans
      |                                      ^
      |                                      ;
   13 |       }
      |       ~
Language: C++

#include <iostream>
using namespace std;

int main(){
  int A,B,C,X;
  cin>>A>>B>>C>>X;
  int ans=0;
  
  for (int i =0;i<A;++i){
    for (int j =0;j<B;++j){
      for (int k =0;k<C;++k){
        if (i*500+j*100+k*50==500)++ans
      }
    }
  }
  cout<<ans<<endl;
}
         


Compiler output:
a.cc: In function 'int main()':
a.cc:12:40: error: expected ';' before '}' token
   12 |         if (i*500+j*100+k*50==500)++ans
      |                                        ^
      |                                        ;
   13 |       }
      |       ~
Language: C++

#include <iostream>
using namespace std;

int main(){
  int A,B,C,X;
  cin>>A>>B>>C>>X;
  int ans=0;
  for (int i =0;i<A;++i){
    for (int j =0;j<B;++j){
      for (int k =0;k<C;++k){
        if (i*500+j*100+k*50==500)++ans
      }
    }
  }
  cout<<ans<<endl;
}
         


Compiler output:
a.cc: In function 'int main()':
a.cc:11:40: error: expected ';' before '}' token
   11 |         if (i*500+j*100+k*50==500)++ans
      |                                        ^
      |                                        ;
   12 |       }
      |       ~
Language: C

#include <stdio.h>

int main(void){
	/*
	int A=2;
	int B=2;
	int C=2;

	int X= 100;
	*/

	scanf("%d",&A);
	scanf("%d",&B);
	scanf("%d",&C);
	scanf("%d",&X);


	int a, b, c, count=0;
	for (a = 0; a <= A; a++) {
		for (b = 0; b <= B; b++) {
			for (c = 0; c <= C; c++) {
				if(a * 500 + b * 100 + c * 50 == X) {
					count++;
				}
			}
		}
	}

	printf("%d　ways\n", count);

	return 0;

}

Compiler output:
main.c: In function 'main':
main.c:12:21: error: 'A' undeclared (first use in this function)
   12 |         scanf("%d",&A);
      |                     ^
main.c:12:21: note: each undeclared identifier is reported only once for each function it appears in
main.c:13:21: error: 'B' undeclared (first use in this function)
   13 |         scanf("%d",&B);
      |                     ^
main.c:14:21: error: 'C' undeclared (first use in this function)
   14 |         scanf("%d",&C);
      |                     ^
main.c:15:21: error: 'X' undeclared (first use in this function)
   15 |         scanf("%d",&X);
      |                     ^
Language: C++

#include <iostream>
#include <string>
#include <map>
#include <stdio.h>
#include <cmath>

int main(){
  int A, B, C, X;
  cin >> A >> B >> C >> X;
  int res = 0;
  
  for(int a = 0; a <= A; ++a){
  	for(int b = 0; b <= B; ++b){
      for(int c = 0; c <= C; ++C){
        int total = 500*a + 100*b + 50*c;
        if(total == X) ++res;
      }
    }
  }
  cout << res << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    9 |   cin >> A >> B >> C >> X;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:20:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   20 |   cout << res << endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:20:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   20 |   cout << res << endl;
      |                  ^~~~
      |                  std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

n = int(input())
a = (n//4 - 1)
if n < 4 :
  print("No")
elif n % 4 == 0 :
  print("Yes")
elif (n - a*4) % 7 == 0 :
  print("Yes")
else :
  print("No")

Compiler output:
a.cc:1:1: error: 'n' does not name a type
    1 | n = int(input())
      | ^
Language: C++

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

int main(){
	//データの読み込み
	int A;	//500円玉の枚数
	int B;	//100円玉の枚数
	int C;	//50円玉の枚数
	int X;	//合計金額
	cin >> A >> B >> C >> X;

	//main
	// int cnt = 0;
	// int maxA = X / A;
	// for (int cntA = 0; cntA <= maxA; ++cntA){
	// 	int maxB = (X - cntA * 500) / B;
	// 	for (int cntB = 0; cntB <= maxB; ++cntB){
	// 		int rem = X - cntA * 500 - cntB * 100;
	// 		for (int cntC = 0; cntC < count; ++cntC) {
	// 			/* code */
	// 		}
	// 	}
	// }

	int cnt = 0;
	for (int cntA = 0; cntA <= A; ++cntA){
		for (int cntB = 0; cntB <= B; ++cntB){
			for (int cntC = 0; cntC <= C; ++cntC){
				int value = 500 * cntA + 100 * cntB + 50 * cntC;
				if (value == X){
					cnt++;
				}
			}
		}
	}

	printf("%d\n", cnt)

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:39:28: error: expected ';' before 'return'
   39 |         printf("%d\n", cnt)
      |                            ^
      |                            ;
   40 | 
   41 |         return 0;
      |         ~~~~~~
Language: C++

#include <iostream>
using namespace std;

int main() {
  int A, B, C, X;
  cin >> A >> B >> C >> X;
  int counter =0;
  
  for (int i = 0 ; i < A ; ++i){
    for (int j = 0 ; j < B ; ++j){
      for (int k = 0 ; k < C ; ++k){
        if (500*i + 100*j + 50*K == X){
          counter++;
        }
      }
    }
  }
  cout << counter <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:32: error: 'K' was not declared in this scope
   12 |         if (500*i + 100*j + 50*K == X){
      |                                ^
Language: C++

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

int main(){
  int A,B,C,X;
  cin >> A >> B >> C >> X;
  int y=0;
  for(int i=0; i < A+1; i++){
    for(int j=0 j < B+1; j++){
      for(int k=0; k < C+1; k++){
        if(500*i+100*j+50*k==X) y++;
      }
    }
  }
  cout << y << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:16: error: expected ';' before 'j'
    9 |     for(int j=0 j < B+1; j++){
      |                ^~
      |                ;
Language: C++

#include<iostream>
using namespace std;
int main()
{
  int A,B,C,X;
  cin >> A >> B >> C X;
  int res =0;
  for (int a =0; a <=A; ++a) {
    for (int b =0; b <=B; ++b) {
      for (int c =0; c <=C; ++C) {
        int total = 500*a + 100*b + 50*c;
        
        if(total ==X) ++res;
      }
    }
  }
  cout << res << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:21: error: expected ';' before 'X'
    6 |   cin >> A >> B >> C X;
      |                     ^~
      |                     ;
Language: C++

#include<bits/stdc++.h >
using namespace std;
int main()
{
    int a,b,c,x,ans=0;
    cin>>a>>b>>c>>x;
    for(int i=0;i<=a;i++)
    for(int j=0;j<=b;j++)
    for(int r=0;r<=c;r++)
    if(i*500+j*100+r*50==x)
    ans++;
    
    cout<<ans<<"\n";
	return 0;
}


Compiler output:
a.cc:1:9: fatal error: bits/stdc++.h : No such file or directory
    1 | #include<bits/stdc++.h >
      |         ^~~~~~~~~~~~~~~~
compilation terminated.
Language: Java

import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();
		int x = sc.nextInt();
		int count = 0;			// 操作を行った数

		for (int ia = 0; ia < a, ia++) {
			for (int ib = 0; ib < b, ib++) {
				for (int ic = 0; ic < c, ic++) {
					if (x == a * 50 + b * 100 + c * 500) {
						count++;
					}
				}
			}
		}

		System.out.println(count);
	}
}

Compiler output:
Main.java:12: error: ';' expected
		for (int ia = 0; ia < a, ia++) {
		                       ^
Main.java:13: error: ';' expected
			for (int ib = 0; ib < b, ib++) {
			                       ^
Main.java:14: error: ';' expected
				for (int ic = 0; ic < c, ic++) {
				                       ^
3 errors
Language: C

#include <stdio.h>

int min(int a, int b){
  return 0 <= (b-a) ? a : b;
}

int nl(int a){
  return 0 <= a ? a : 0;
}

int main(){
  int a,b,c,x,
      i,j,res=0;
  
  scanf("%d%d%d%d", &a, &b, &c, &x);
  
  x /= 50;
  
  for(i=min(x/10, a); 0<=i; i--){
    res += nl(min((x-10*i)/2,b) - (x-10*i + c+1) / 2 + 1));
/*    for(j=0; j<=min((x-10*i)/2,b); j--){
      if((x - 10*i + c + 1) / 2 <= j){
        res++;
      }
    }
*/  }
  
  printf("%d", res);
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:20:58: error: expected ';' before ')' token
   20 |     res += nl(min((x-10*i)/2,b) - (x-10*i + c+1) / 2 + 1));
      |                                                          ^
      |                                                          ;
main.c:20:58: error: expected statement before ')' token
Language: C++

#include <iostream>
using namespace std;

int main() {
    int A, B, C, X;
    cin >> A >> B >> C >> X;
    for(int i = 0;i < A + 1;++i){
    
    }
    if (c % 2 == 0) cout << "Even" << endl;
    else cout << "Odd" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:9: error: 'c' was not declared in this scope
   10 |     if (c % 2 == 0) cout << "Even" << endl;
      |         ^
Language: C++

#include<iostream>
using namespace std;

int main(){
	int A,B,C,X,way = 0,i,j,k; 
	cin >> A >> B >> C >> X;
  	
  	for(i = 0; i < C; i++){  
  	for(j = 0; j < B; j++){
  	for(k = 0; k < A; k++){
      if(i*500+j*100+k*50 == x){
      	way += 1;
      }
    		}
		}
	}
  cout << way << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:30: error: 'x' was not declared in this scope
   11 |       if(i*500+j*100+k*50 == x){
      |                              ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
    long long a,b,c,x,ans=0;
    cin>>a>>b>>c>>x;
    for(int i=0;i<=a;i++)
    {
        for(int i=0;i<=a;i++)
        {
            for(int i=0;i<=a;i++)
            {
                if(i*500+j*100+z*50==x)
                    ans++;
            }
        }
    }
    cout<<ans<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:26: error: 'j' was not declared in this scope
   13 |                 if(i*500+j*100+z*50==x)
      |                          ^
a.cc:13:32: error: 'z' was not declared in this scope
   13 |                 if(i*500+j*100+z*50==x)
      |                                ^
Language: Java

import java.util.Scanner;
import java.lang.*;

public class Main {
  public static int count = 0;

  public static void counter(int fh, int hd, int ft, int goal) {
    int maxFH = Math.min(goal / 500, fh);
    for (int i = 0; i <= maxFH; i++) {
        int postFH = goal - i * 500;
        int maxHD = 0;
        if (postFH > 0)
            maxHD = Math.min(postFH / 100, hd);
        }
        for (int j = 0; j <= maxHD; j++) {
            int postHD = postFH - j * 100;
            int maxFT = 0;
            if (postHD > 0) {
                maxFT = Math.min(postHD / 50, ft);
            }
            for (int k = 0; k <= maxFT; k++) {
                int remainder = postHD - k * 50;
                if (remainder == 0) count++;
            }
        }
    }
  }

  public static void main(String[] args) {
    Scanner dataScanner = new Scanner(System.in);
    int goal = Integer.parseInt(dataScanner.nextLine());
    int fiveHundred = Integer.parseInt(dataScanner.nextLine());
    int hundred = Integer.parseInt(dataScanner.nextLine());
    int fifty = Integer.parseInt(dataScanner.nextLine());
    counter(fiveHundred, hundred, fifty, goal);
    System.out.println(count);
  }
}


Compiler output:
Main.java:29: error: unnamed classes are a preview feature and are disabled by default.
  public static void main(String[] args) {
                ^
  (use --enable-preview to enable unnamed classes)
Main.java:38: error: class, interface, enum, or record expected
}
^
2 errors
Language: Java

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int[] inputNumbers = new int[4];
		for (int i = 0; i < 4; i++) {
			inputNumbers[i] = Integer.parseInt(sc.nextLine());
		}

		int count = 0;
		for (int i = 0; i <= inputNumbers[0]; i++) {
			for (int j = 0; j <= inputNumbers[1]; j++) {
				for (int k = 0; k <= inputNumbers[2]; k++) {
					if (inputNumbers[3] == 500 * i + 100 * j + 50 * k) {
						count++;
					}
				}
			}
		}
		System.out.println(count);

	}
}


Compiler output:
Main.java:4: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		^
  symbol:   class Scanner
  location: class Main
Main.java:4: error: cannot find symbol
		Scanner sc = new Scanner(System.in);
		                 ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int a,b,c,x;
  cin>>a>>b>>c>>x;
  int res=0;
  for (int a = 0; a <= A; ++a) {
    for (int b = 0; b <= B; ++b) {
      for (int c = 0; c <= C; ++c) {
        int total = 500*a + 100*b + 50*c; // 合計金額
        if (total == X) ++res; // 合計金額が X に一致したら答えをインクリメント
      }
    }
  }
  cout << res << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:24: error: 'A' was not declared in this scope
    7 |   for (int a = 0; a <= A; ++a) {
      |                        ^
a.cc:8:26: error: 'B' was not declared in this scope
    8 |     for (int b = 0; b <= B; ++b) {
      |                          ^
a.cc:9:28: error: 'C' was not declared in this scope
    9 |       for (int c = 0; c <= C; ++c) {
      |                            ^
a.cc:11:22: error: 'X' was not declared in this scope
   11 |         if (total == X) ++res; // 合計金額が X に一致したら答えをインクリメント
      |                      ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,N) for(int i=0,i##_max=(N);i<i##_max;++i)
#define repp(i,l,r) for(int i=(l),i##_max=(r);i<i##_max;++i)
#define per(i,N) for(int i=(N)-1;i>=0;--i)
#define perr(i,l,r) for(int i=r-1,i##_min(l);i>=i##_min;--i)
#define all(arr) (arr).begin(), (arr).end()
#define SP << " " <<
#define SPF << " "
#define SPEEDUP cin.tie(0);ios::sync_with_stdio(false);
#define MAX_I INT_MAX //1e9
#define MIN_I INT_MIN //-1e9
#define MAX_UI UINT_MAX //1e9
#define MAX_LL LLONG_MAX //1e18
#define MIN_LL LLONG_MIN //-1e18
#define MAX_ULL ULLONG_MAX //1e19
  typedef long long ll;
  typedef pair<int,int> PII;
  typedef pair<char,char> PCC;
  typedef pair<ll,ll> PLL;
  typedef pair<char,int> PCI;
  typedef pair<int,char> PIC;
  typedef pair<ll,int> PLI;
  typedef pair<int,ll> PIL; 
  typedef pair<ll,char> PLC; 
  typedef pair<char,ll> PCL; 

inline void YesNo(bool b){ cout << (b?"Yes" : "No") << endl;}
inline void YESNO(bool b){ cout << (b?"YES" : "NO") << endl;}
inline void Yay(bool b){ cout << (b?"Yay!" : ":(") << endl;}

int main(void){
  SPEEDUP
  cout << setprecision(15);
  int A,B,C,X;cin >> X;
  int count = 0;
  for(i,A+1){
    for(j,B+1){
      for(k,C+1){
        if(i*500+j*100+k*50 == X)count++;
      }
    }
  }
  cout << count << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:37:7: error: 'i' was not declared in this scope
   37 |   for(i,A+1){
      |       ^
a.cc:45:3: error: expected primary-expression before 'return'
   45 |   return 0;
      |   ^~~~~~
a.cc:44:25: error: expected ')' before 'return'
   44 |   cout << count << endl;
      |                         ^
      |                         )
   45 |   return 0;
      |   ~~~~~~                 
a.cc:37:6: note: to match this '('
   37 |   for(i,A+1){
      |      ^
Language: C++

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

int main(){
  int A,B,C,X;
  cin >> A >> B >> C >> X;
  int a,b,c,s=0;
  for(int i = 0; i <= A; ++i){
    a = 500*i;
    if(a > X) break;
    for(int j = 0; j <= B; ++j){
      b = 100*j;
      if(a + b > X) break;
      for(int k = 0; k <= C; ++k){
        c = 50*k;
        if(a+b+c == X) ++c;
        if(a+b+c > X) break;
      }
    }
  }
  cout << s < <endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:15: error: expected primary-expression before '<' token
   21 |   cout << s < <endl;
      |               ^
Language: C++

#include <iostream>

using namespace std;

int main(){
  int A, B, C, X;
  cin >> A >> B >> C >> X;
  int cnt = 0;
  for(int i = 0; i <= A; i++){
    for(int i = 0; i <= A; i++){
      for(int i = 0; i <= A; i++){
        if(i*500 + j*100 + k*50 == X) cnt++;
      }
    }
  }
  cout << cnt;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:20: error: 'j' was not declared in this scope
   12 |         if(i*500 + j*100 + k*50 == X) cnt++;
      |                    ^
a.cc:12:28: error: 'k' was not declared in this scope
   12 |         if(i*500 + j*100 + k*50 == X) cnt++;
      |                            ^
Language: C++

#include <iostream>

using namespace std;

int main(){
  int A, B, C;
  cin >> A >> B >> C;
  int cnt = 0;
  for(int i = 0; i <= A; i++){
    for(int i = 0; i <= A; i++){
      for(int i = 0; i <= A; i++){
        if(i*500 + j*100 + k*50 == X) cnt++;
      }
    }
  }
  cout << cnt;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:20: error: 'j' was not declared in this scope
   12 |         if(i*500 + j*100 + k*50 == X) cnt++;
      |                    ^
a.cc:12:28: error: 'k' was not declared in this scope
   12 |         if(i*500 + j*100 + k*50 == X) cnt++;
      |                            ^
a.cc:12:36: error: 'X' was not declared in this scope
   12 |         if(i*500 + j*100 + k*50 == X) cnt++;
      |                                    ^
Language: C++

#include <iostream>

using namespace std;

int a, b, c, n;

int main() {
    cin >> a >> b >> c >> n;
    int ans = 0;
    for (int i = 0; i <= a; ++i) {
        for (int j = 0; j <= b; ++j) {
            for (int k = 0; k <= c; ++k) {
                int total = 500 * a + 100 * b + 50 * c
                if (n == total) ++ans;
            }
        }
    }
    cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:17: error: expected ',' or ';' before 'if'
   14 |                 if (n == total) ++ans;
      |                 ^~
Language: C++

#include <iostream>
#include <functional>
#include <algorithm>
#include <cmath>
#include <numeric>
#include <string>
#include <vector>
#include <array>

using namespace std;

#define Get(ty,...) ty __VA_ARGS__;cins(__VA_ARGS__);
#define GetArray(ty,v,n) vector<ty> v(n);cin_arr(v,n);
#define ci cin
#define co cout
#define en endl;
#define Arr(f, arr,pred) f(arr.begin(),arr.end(),pred)
#define ArrExpr(f, arr,expr) f(arr.begin(),arr.end(),[](auto x){return expr;})
#define Acc(init,arr,pred) accumulate(arr.begin(),arr.end(),init,pred)

void cins(){}

template<class Head,class... Tail>
void cins(Head& head,Tail&... tail) {
	cin >> head;
	cins(tail...);
}

template<class Arr>
void cin_arr(Arr& v,int n) {
	for (int i = 0; i < n; i++)
		cin >> v[i];
}

unique_ptr< array<int, 3>> maxList;
array<int, 3> valueList = {500,100,50};
int X;

int sum(const array<int, 3> & abc) {
	int sum = 0;
	for (int i = 0; i < 3; i++)
		sum += abc[i] * valueList[i];
	return sum;
}

int calc(array<int, 3> abc, int idx) {
	if (idx == -1)
		return sum(abc) == X ? 1 : 0;
	int countTotal = 0;
	for (int i = 0; i <= (*maxList)[idx]; i++) {
		abc[idx] = i;
		countTotal += calc(abc, idx - 1);
	}
	return countTotal;
}

int main() {
	Get(int, a, b, c, x);
	maxList = unique_ptr<array<int, 3>>(move(new array< int, 3> {a, b, c}));
	X = x;
	co << calc({ 0,0,0 }, 2) << en
}



Compiler output:
a.cc:35:1: error: 'unique_ptr' does not name a type
   35 | unique_ptr< array<int, 3>> maxList;
      | ^~~~~~~~~~
a.cc: In function 'int calc(std::array<int, 3>, int)':
a.cc:50:32: error: 'maxList' was not declared in this scope
   50 |         for (int i = 0; i <= (*maxList)[idx]; i++) {
      |                                ^~~~~~~
a.cc: In function 'int main()':
a.cc:59:9: error: 'maxList' was not declared in this scope
   59 |         maxList = unique_ptr<array<int, 3>>(move(new array< int, 3> {a, b, c}));
      |         ^~~~~~~
a.cc:59:19: error: 'unique_ptr' was not declared in this scope
   59 |         maxList = unique_ptr<array<int, 3>>(move(new array< int, 3> {a, b, c}));
      |                   ^~~~~~~~~~
a.cc:6:1: note: 'std::unique_ptr' is defined in header '<memory>'; this is probably fixable by adding '#include <memory>'
    5 | #include <numeric>
  +++ |+#include <memory>
    6 | #include <string>
a.cc:59:42: error: expected primary-expression before '>' token
   59 |         maxList = unique_ptr<array<int, 3>>(move(new array< int, 3> {a, b, c}));
      |                                          ^~
Language: C++

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

int main() {
  int a , b , c , x;
 cin >> a >> b >> c >> x;
  int res = 0;
  for (int a = 0; a <= A; ++a) {
    for (int b = 0; b <= B; ++b) {
      for (int c = 0; c <= C; ++c) {
        int total = 500*a + 100*b + 50*c; // 合計金額
        if (total == X) ++res; // 合計金額が X に一致したら答えをインクリメント
      }
    }
  }
  cout << res << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:24: error: 'A' was not declared in this scope
    8 |   for (int a = 0; a <= A; ++a) {
      |                        ^
a.cc:9:26: error: 'B' was not declared in this scope
    9 |     for (int b = 0; b <= B; ++b) {
      |                          ^
a.cc:10:28: error: 'C' was not declared in this scope
   10 |       for (int c = 0; c <= C; ++c) {
      |                            ^
a.cc:12:22: error: 'X' was not declared in this scope
   12 |         if (total == X) ++res; // 合計金額が X に一致したら答えをインクリメント
      |                      ^
Language: C++

A, B, C, X = map(int, [input() for i in range(4)])

cnt = 0
for a in range(A + 1):
    for b in range(B + 1):
        for c in range(C + 1):
            if a * 500 + b * 100 + 50 * c == X:
                cnt += 1
print(cnt)


Compiler output:
a.cc:1:1: error: 'A' does not name a type
    1 | A, B, C, X = map(int, [input() for i in range(4)])
      | ^
Language: C

#include<stdio.h>

int main(){
    int A, B, C,X,i,j,k;
    int cnt = 0;

    scanff("%d %d %d %d", &A, &B, &C,&X);

    for (i = 0; i <= A;i++){
        for (j = 0; j <= B;j++){
            for (k = 0; k <= C;k++){
                if(500*i+100*j+50*k==X){
                    cnt++;
                }
            }
        }
    }
    printf("%d", cnt);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:5: error: implicit declaration of function 'scanff'; did you mean 'scanf'? [-Wimplicit-function-declaration]
    7 |     scanff("%d %d %d %d", &A, &B, &C,&X);
      |     ^~~~~~
      |     scanf
Language: Java

import java.util.Scanner;

public class ABC087B {

	public static void main(String[] args) {
		 Scanner scan = new Scanner(System.in);
		 
		 int A = Integer.parseInt(scan.nextLine());
		 int B = Integer.parseInt(scan.nextLine());
		 int C = Integer.parseInt(scan.nextLine());
		 int X = Integer.parseInt(scan.nextLine());
		 
		 int cnt = 0;
		 
		 for (int i = 0; i < A + 1; i++) {
			 for (int j = 0; j < B + 1; j++) {
				 for (int k = 0; k < C + 1; k++) {
					 if (500 * i + 100 * j + 50 * k == X) {
						 cnt++;
					 }
				 }
			 }
		 }
		 
		 System.out.println(cnt);
		 scan.close();

	}

}


Compiler output:
Main.java:3: error: class ABC087B is public, should be declared in a file named ABC087B.java
public class ABC087B {
       ^
1 error
Language: C

#include<stdio.h>
#define M 3

int main(void)
{
    int a,b,c,x;
    scanf("%d%d%d%d",&a,&b,&c,&x);
    int money[M]={3,2,1};
    int coin[M];
    int i,j,k;
    int tmp;
    x=x/50;
    int ans=0;

    for(i=0;i<a;i++){
        for(j=0;j<b;j++){
            for(k=0;k<c;c++){
                tmp=3*a+2*b+c;
                if(x==temp){
                    ans++
                }
            }
        }
    }

    printf("%d\n",ans);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:19:23: error: 'temp' undeclared (first use in this function); did you mean 'tmp'?
   19 |                 if(x==temp){
      |                       ^~~~
      |                       tmp
main.c:19:23: note: each undeclared identifier is reported only once for each function it appears in
main.c:20:26: error: expected ';' before '}' token
   20 |                     ans++
      |                          ^
      |                          ;
   21 |                 }
      |                 ~
Language: C++

#include<iostream>
using namespace std;



int main(){
  int a,b,c,x;
  cin >> a >> b >> c >> x;
  int res = 0;
  for(int i=0;i<a;i++){
    for(int j=0;j<b;j++){
      for(int k=0;k<c;k++){
        int total = 500*a + 100*b + 50*c;
        if(total==x) res++
      }
    }
  }
  cout << res << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:27: error: expected ';' before '}' token
   14 |         if(total==x) res++
      |                           ^
      |                           ;
   15 |       }
      |       ~
Language: C++

#include<iostream>
using namespace std;



int main(){
  int a,b,c,x;
  cin >> a >> b >> c >> x;
  res = 0;
  for(int i=0;i<a;i++){
    for(int j=0;j<b;j++){
      for(int k=0;k<c;k++){
        int total = 500*a + 100*b + 50*c;
        if(total==x) res++
      }
    }
  }
  cout << res << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: 'res' was not declared in this scope
    9 |   res = 0;
      |   ^~~
Language: C++

#include<iostream>

using namespace std;

int main(){
  int A,B,C,X; cin >> A >> B >> C >> X;
  
  int s = X / 500;  int cnt = 0;
  for(int i = 0; i <= min(s,A); i++){
    int t = X - 500*i;
    t /= 100;
    for(int j = 0; j <= min(t,B); j++){
      int u = ( X - 500* i - 100*j ) / 50;
      if( 500 * i + 100 * j + 50 * u == X && u <= C){
       cnt++;}}}
  
  cout << cnt << endl; 

Compiler output:
a.cc: In function 'int main()':
a.cc:17:23: error: expected '}' at end of input
   17 |   cout << cnt << endl;
      |                       ^
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: C++

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



int main(){
	int a;
	int b;
	int c;
	int x;
	int kotei;
	int p;
	int q;

	cin>>a>>b>>c>>x;

	kotei = x;

	int count =0;
	
	//50円ループ
	for(int i=0;i<c+1;i++){
		x = x-50*i; 
		if(x==0){
			count = count +1;
			x = kotei;
			break;
		}else if(x<50){
			//x = kotei;
			break;
		}
		p = x;
		x = kotei;
		//100円ループ
		for(int j=0;j<b+1;j++){
			int temp = p;
			p = p-100*j; 
			if(p==0){
				count = count +1;				
				break;
			}else if(x<100){				
				break;
			}
			q = p;
			p = temp;
			//500円ループ
			for(int k=0;k<a+1;k++){
				int temp = q
				q = q-500*k;
				if(q==0){
					count = count +1;
					break;
				}else if(q<500){					
					break;
				}
			}
		}
		
	}


Compiler output:
a.cc: In function 'int main()':
a.cc:49:33: error: expected ',' or ';' before 'q'
   49 |                                 q = q-500*k;
      |                                 ^
a.cc:59:10: error: expected '}' at end of input
   59 |         }
      |          ^
a.cc:6:11: note: to match this '{'
    6 | int main(){
      |           ^
Language: C++

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



int main(){
	int a;
	int b;
	int c;
	int x;

	cin>>a>>b>>c>>x;

	int count =0;
	
	//50円ループ
	for(int i=0;i<c+1;i++){
		x = x-50*i; 
		if(x==0){
			count = count +1;
			break;
		}else if(x<50){
			break;
		}

		//100円ループ
		for(int j=0;j<b+1;j++){
			x = x-100*j; 
			if(x==0){
				count = count +1;
				break;
			}else if(x<100){
				break;
			}

			//500円ループ
			for(int k=0;k<a+1;k++){
				x = x-500*;
				if(x==0){
					count = count +1;
					break;
				}else if(x<500){
					break;
				}
			}
		}
	}


	
	cout << count;
	
}


Compiler output:
a.cc: In function 'int main()':
a.cc:38:43: error: expected primary-expression before ';' token
   38 |                                 x = x-500*;
      |                                           ^
Language: C++

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



int main(){
	int a;
	int b;
	int c;
	int x;

	cin>>a>>b>>c>>x;

	int count =0;
	
	//50円ループ
	for(int i=0;i<c+1;i++){
		x = x-50*i; 
		if(x==0){
			count = count +1;
			break;
		}else if(x<50){
			break;
		}

		//100円ループ
		for(int j=0;j<b+1;j++){
			x = x-100*j; 
			if(x==0){
				count = count +1;
				break;
			}else if(x<100){
				break;
			}

			//500円ループ
			for(int k=0;k<a+1;k++){
				x = x-500*k
				if(x==0){
					count = count +1;
					break;
				}else if(x<500){
					break;
				}
			}
		}
	}


	
	cout << count;
	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:38:44: error: expected ';' before 'if'
   38 |                                 x = x-500*k
      |                                            ^
      |                                            ;
   39 |                                 if(x==0){
      |                                 ~~          
a.cc:42:34: error: 'else' without a previous 'if'
   42 |                                 }else if(x<500){
      |                                  ^~~~
Language: C++

int main(){
	int a;
	int b;
	int c;
	int x;

	cin>>a>>b>>c>>x;

	int count =0;
	
	//50円ループ
	for(int i=0;i<c+1;i++){
		x = x-50*i; 
		if(x==0){
			count = count +1;
			break;
		}else if(x<50){
			break;
		}

		//100円ループ
		for(int j=0;j<b+1;j++){
			x = x-100*j; 
			if(x==0){
				count = count +1;
				break;
			}else if(x<100){
				break;
			}

			//500円ループ
			for(int k=0;k<n+1;k++){
				x = x-500*k
				if(x==0){
					count = count +1;
					break;
				}else if(x<500){
					break;
				}
			}
		}
	}


	
	cout << count;
	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: 'cin' was not declared in this scope
    7 |         cin>>a>>b>>c>>x;
      |         ^~~
a.cc:32:39: error: 'n' was not declared in this scope
   32 |                         for(int k=0;k<n+1;k++){
      |                                       ^
a.cc:33:44: error: expected ';' before 'if'
   33 |                                 x = x-500*k
      |                                            ^
      |                                            ;
   34 |                                 if(x==0){
      |                                 ~~          
a.cc:37:34: error: 'else' without a previous 'if'
   37 |                                 }else if(x<500){
      |                                  ^~~~
a.cc:46:9: error: 'cout' was not declared in this scope; did you mean 'count'?
   46 |         cout << count;
      |         ^~~~
      |         count
Language: C++

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

int main () {
  int A,B,C,X;
  cin >> A >> B >> C >> X;
  
  int count =0;
  for (int i = 0; i <= A; ++i) {
    for (int j = 0; i <= B; ++j) {
      for (int k = 0; i<= C; ++k) {
        int Sum = 500＊i + 100＊j + 50＊k;
        if (Sum == X) ++count;
      }
    }
  }  
  cout << count << endl;  
}






Compiler output:
a.cc: In function 'int main()':
a.cc:12:19: error: unable to find numeric literal operator 'operator""\U0000ff0ai'
   12 |         int Sum = 500＊i + 100＊j + 50＊k;
      |                   ^~~~~~
a.cc:12:28: error: unable to find numeric literal operator 'operator""\U0000ff0aj'
   12 |         int Sum = 500＊i + 100＊j + 50＊k;
      |                            ^~~~~~
a.cc:12:37: error: unable to find numeric literal operator 'operator""\U0000ff0ak'
   12 |         int Sum = 500＊i + 100＊j + 50＊k;
      |                                     ^~~~~
Language: C++

#include <iostream>
using namespace std;

int main() {
  int A, B, C, X;
  cin >> A >> B >> C >> X;
  int res = 0;
  for (int i = 0; i <= A; ++a) {
    for (int j = 0; j <= B; ++b) {
      for (int k = 0; k <= C; ++c) {
        int total = 500*i + 100*j + 50*k; // 合計金額
        if (total == X) ++res; // 合計金額が X に一致したら答えをインクリメント
      }
    }
  }
  cout << res << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:29: error: 'a' was not declared in this scope
    8 |   for (int i = 0; i <= A; ++a) {
      |                             ^
a.cc:9:31: error: 'b' was not declared in this scope
    9 |     for (int j = 0; j <= B; ++b) {
      |                               ^
a.cc:10:33: error: 'c' was not declared in this scope
   10 |       for (int k = 0; k <= C; ++c) {
      |                                 ^
Language: C++

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

int main () {
  int A,B,C,X;
  cin >> A >> B >> C >> X;
  
  int count =0;
  for (int i = 0;i<A+1;i++) {
    for (int j = 0;i<B+1;j++) {
      for (int k = 0;i<C+1;k++) {
        int Sum = 500*i + 100*j + 50*k
        if (Sum == X) {
          count++;
        }
      }
    }
  }
  
  cout << count << endl;
  
  
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:9: error: expected ',' or ';' before 'if'
   13 |         if (Sum == X) {
      |         ^~
Language: C++

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

int main() {
  int A,B,C,X;
  cin >> A >> B >> C >> X;
  
  int ans = 0;
  if (int i = 0; i <= A; i++) {
    if (int j = 0; j <= B; j++) {
      if (int k = 0; k <= C; k++) {
        int tmp = 500*i + 100*j + 50*k;
        if (tmp == X) ans++;
      }
    }
  }
  
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:24: error: expected ')' before ';' token
    9 |   if (int i = 0; i <= A; i++) {
      |      ~                 ^
      |                        )
a.cc:9:26: error: 'i' was not declared in this scope
    9 |   if (int i = 0; i <= A; i++) {
      |                          ^
Language: C++

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

int main() {
  int A,B,C,X;
  cin >> A >> B >> C >> X;
  
  int ans = 0;
  if (int i = 0; i < A; i++) {
    if (int j = 0; j < B; j++) {
      if (int k = 0; k < C; k++) {
        int tmp = 500*i + 100*j + 50*k;
        if (tmp == X) ans++;
      }
    }
  }
  
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:23: error: expected ')' before ';' token
    9 |   if (int i = 0; i < A; i++) {
      |      ~                ^
      |                       )
a.cc:9:25: error: 'i' was not declared in this scope
    9 |   if (int i = 0; i < A; i++) {
      |                         ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a,b,c,d,i,j,k,n=0;
    cin>>a>>b>>c>>d
    for(i=0;i<=a&&500*i<=d;i++)
    {
        for(j=0;j<=b&&100*j+500*i<=d;j++)
        {
            for(k=0;k<=c&&50*k+100*j+500*i<=d;k++)
            {
                if(500*i+100*j+50*k==d)
                  n++;
            }
        }
    }
    cout<<n;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:20: error: expected ';' before 'for'
    6 |     cin>>a>>b>>c>>d
      |                    ^
      |                    ;
    7 |     for(i=0;i<=a&&500*i<=d;i++)
      |     ~~~             
a.cc:7:31: error: expected ';' before ')' token
    7 |     for(i=0;i<=a&&500*i<=d;i++)
      |                               ^
      |                               ;
Language: C++

#include <bits/stdc++.h>
using namespace std;
int a,b,c,x;
int main(){
    cin>>a>>b>>c>>x;
    for(int i=1;i<=a;i++)
        for(int j=1;j<=b;j++)
            for(int k=1;k<=c;k++)
                if(i*500+j*100+c*50==x)
                    cnt++;
    printf("%d\n",cnt);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:21: error: 'cnt' was not declared in this scope; did you mean 'int'?
   10 |                     cnt++;
      |                     ^~~
      |                     int
a.cc:11:19: error: 'cnt' was not declared in this scope; did you mean 'int'?
   11 |     printf("%d\n",cnt);
      |                   ^~~
      |                   int