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

#include<iostream>
using namespace std;
 
int main()
{
    // get a integer
    int a, b, c, x;
    int max_a, max_b, max_c;
    int count = 0;
    cin >> a >> b >> c >> x;
    max_a = x/500 < a : x/500 ? a;
    max_b = x/100 < b : x/100 ? b;
    max_c = x/50 < c : x/50 ? c;
   
    for (int i = 0; i <= max_a; i++) {
        for (int j = 0; j <= max_b; j++) {
              for (int k = 0; k <= max_c; k++) {
                   if ((500 * i + 100 * j + 50 * k) == x) {
                       count++;
                   }
              }
        }
    }    
    cout << count;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:23: error: found ':' in nested-name-specifier, expected '::'
   11 |     max_a = x/500 < a : x/500 ? a;
      |                       ^
      |                       ::
a.cc:11:21: error: 'a' is not a class, namespace, or enumeration
   11 |     max_a = x/500 < a : x/500 ? a;
      |                     ^
a.cc:11:34: error: expected ':' before ';' token
   11 |     max_a = x/500 < a : x/500 ? a;
      |                                  ^
      |                                  :
a.cc:11:34: error: expected primary-expression before ';' token
a.cc:12:23: error: found ':' in nested-name-specifier, expected '::'
   12 |     max_b = x/100 < b : x/100 ? b;
      |                       ^
      |                       ::
a.cc:12:21: error: 'b' is not a class, namespace, or enumeration
   12 |     max_b = x/100 < b : x/100 ? b;
      |                     ^
a.cc:12:34: error: expected ':' before ';' token
   12 |     max_b = x/100 < b : x/100 ? b;
      |                                  ^
      |                                  :
a.cc:12:34: error: expected primary-expression before ';' token
a.cc:13:22: error: found ':' in nested-name-specifier, expected '::'
   13 |     max_c = x/50 < c : x/50 ? c;
      |                      ^
      |                      ::
a.cc:13:20: error: 'c' is not a class, namespace, or enumeration
   13 |     max_c = x/50 < c : x/50 ? c;
      |                    ^
a.cc:13:32: error: expected ':' before ';' token
   13 |     max_c = x/50 < c : x/50 ? c;
      |                                ^
      |                                :
a.cc:13:32: error: expected primary-expression before ';' token
Language: C++

#include<iostream>

using namespace std;

	int a, b, c;
	int x;

int solve(){
	int ans = 0;
	for (int i = 0; i <= a; ++i) {
		for (int j = 0; i <= b; ++j) {
			for (int k = 0; k <= c; ++k) {
				int tmp = i * 500 + j * 100 + k * 50;
				if (tmp == X) ans++;
			}
		}
	}
	return ans;
}

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

Compiler output:
a.cc: In function 'int solve()':
a.cc:14:44: error: 'X' was not declared in this scope
   14 |                                 if (tmp == X) ans++;
      |                                            ^
Language: C++

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


int main(void){
	long long a,b,c,x,ans,a500,a100,a50,b500,b100;
	cin>>a>>b>>c>>x;
	if(int(x/500)<a){
		a500 = int(x/500);
	}
	else{
		a500 = a;
	}
	b500 = x-a500*500;

	if(int(b500/100)<b){
		a100 = int(b500/100);
	}
	else{
		a100 = b;
	}
	b100 = b500-a100*100;

	if(int(b100/500)<c){
		a50 = int(b100/50);
	}
	else{
		a50 = c;
	}
	b50 = b100-a50*50;

	ans = a500*7+a100*2;

	if(ans == 0){
		ans = 1;
	}
	cout<<ans<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:9: error: 'b50' was not declared in this scope; did you mean 'b500'?
   31 |         b50 = b100-a50*50;
      |         ^~~
      |         b500
Language: Java

package com.atcoder;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

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

        final int fiveHundred = scanner.nextInt();
        final int hundred = scanner.nextInt();
        final int fifty = scanner.nextInt();
        final int x = scanner.nextInt();
        List<Pair> keys = new ArrayList<>();
        keys.add(new Pair(500, fiveHundred));
        keys.add(new Pair(100, hundred));
        keys.add(new Pair(50, fifty));
        final List<List<Pair>> result = solve(keys, 0, x, new ArrayList<>());
        System.out.println(result.size());
    }

    static class Pair {
        int val;
        int count;

        public Pair(int val, int count) {
            this.val = val;
            this.count = count;
        }
    }

    static List<List<Pair>> solve(List<Pair> keys, int position, int remaining, List<Pair> acc) {
        List<List<Pair>> result = new ArrayList<>();
        if (position == keys.size()) {

            if (remaining == 0) {
                result.add(new ArrayList<>(acc));
            }
            return result;
        }

        final Pair currentPair = keys.get(position);

        for (int i = 0; i <= remaining / currentPair.val && i < currentPair.count; i++) {
            acc.add(new Pair(currentPair.val, i));
            result.addAll(solve(keys, position + 1, remaining - currentPair.val * i, acc));
            acc.remove(acc.size() - 1);
        }
        return result;
    }

}


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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:10:65: error: expected ';' before 'cout'
   10 |                                 cnt+=(i*500 + j*100 + k*50 == n)
      |                                                                 ^
      |                                                                 ;
   11 |         cout << cnt  << endl ;
      |         ~~~~
Language: Java

import java.util.*;
import java.lang.*;
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 out =0;

		//最小のコイン数で払う
		int num500 = X/500;
		int num100 = (X%500)/100;
		int num50  = (X-num500*500-num100*100)/50;
		if(num500<=A && num100<= B && num50<=C){
			out++;
		}else{
			System.out.println(0);
			System.exit();
		}

		for(int i=num500; i>=0; i--){
			for(int j= (X-500*i)/100 -1; j>=0; j--){
				if(j>B){
					continue;
				}
				int nc50 = (X- 500*i - 100*j)/50;
				if(nc50<=C){
					out++;
				}
				else{
					break;
				}
			}
		}
		// 出力
		System.out.println(out);
	}
}

Compiler output:
Main.java:22: error: method exit in class System cannot be applied to given types;
			System.exit();
			      ^
  required: int
  found:    no arguments
  reason: actual and formal argument lists differ in length
1 error
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 out =0;

		//最小のコイン数で払う
		int num500 = X/500;
		int num100 = (X%500)/100;
		int num50  = (X-num500*500-num100*100)/50;
		if(num500<=A && num100<= B && num50<=C){
			out++;
		}else{
			System.out.println(0);
			exit();
		}

		for(int i=num500; i>=0; i--){
			for(int j= (X-500*i)/100 -1; j>=0; j--){
				if(j>B){
					continue;
				}
				int nc50 = (X- 500*i - 100*j)/50;
				if(nc50<=C){
					out++;
				}
				else{
					break;
				}
			}
		}
		// 出力
		System.out.println(out);
	}
}

Compiler output:
Main.java:21: error: cannot find symbol
			exit();
			^
  symbol:   method exit()
  location: class Main
1 error
Language: C

#include <cstdio>

int a, b, c, n, ans = 0;

int main() {
	scanf("%d %d %d %d", &a, &b, &c, &n);
	for (register int i = 0; i <= a; i++) {
		for (register int j = 0; j <= b; j++) {
			for (register int k = 0; k <= c; k++) {
				if (i * 500 + j * 100 + k * 50 > n) break;
				if (i * 500 + j * 100 + k * 50 == n) ans++;
			}
		}
	}
	printf("%d", ans);
}

Compiler output:
main.c:1:10: fatal error: cstdio: No such file or directory
    1 | #include <cstdio>
      |          ^~~~~~~~
compilation terminated.
Language: C++

#include<iostream>
using namespace std;

int main() {
	int a, b,c, X,result;
	int sum = 0;
	cin >> i;
	cin >> j;
	cin >> k;
	cin >> X;
	for(int a=i;a>0;a--)
	if (X > (500 * a))
	{
		result = X - 500 * a;
		for(int b=j;b>0;b--)
		if (result > (100 * b))
		{
			result -= 100 * b;
			for(int c=k;c>0;c--)
			if (result <= 50 * c)
				result = result % 50;
			if (result == 0)
				sum += 1;
		}
		else {
			result = result % 100;
			for (int c = k;c>0;c--)
			if (result <= 50 * c)
				result = result % 50;
			if (result == 0)
				sum += 1;
		}
	}
	else {
		result = result % 500;
		for (int b = j;b>0;b--)
		if (result > (100 * b))
		{
			result -= 100 * b;
			for (int c = k;c>0;c--)
			if (result <= 50 * c)
				result = result % 50;
			if (result == 0)
				sum += 1;
		}
		else {
			result = result % 100;
			for (int c = k;c>0;c--)
			if (result <= 50 * c)
				result = result % 50;
			if (result == 0)
				sum += 1;
		}
	}
	cout << sum << '\n';
	return 0;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:16: error: 'i' was not declared in this scope
    7 |         cin >> i;
      |                ^
a.cc:8:16: error: 'j' was not declared in this scope
    8 |         cin >> j;
      |                ^
a.cc:9:16: error: 'k' was not declared in this scope
    9 |         cin >> k;
      |                ^
Language: Java

import java.util.Scanner;

public class Coins {

	public static void execCoins() {
		Scanner sc = new Scanner(System.in);
		int count500 = sc.nextInt();
		int count100 = sc.nextInt();
		int count50 = sc.nextInt();
		int expectedSum = sc.nextInt();

		int result = getCoinsResult(count500, count100, count50, expectedSum);
		System.out.println(result);
	}

	public static void testCoins() {
		System.out.println(getCoinsResult(2,2,2,100)); // 2
		System.out.println(getCoinsResult(5,1,0,150)); // 0
		System.out.println(getCoinsResult(30,40,50,6000)); // 213
	}

	public static int getCoinsResult(int count500, int count100, int count50, int expectedSum) {
		int patterns = 0;
		for (int c500 = 0; c500 <= count500; c500++)
		{
			for (int c100 = 0; c100 <= count100; c100++)
			{
				for (int c50 = 0; c50 <= count50; c50++)
				{
					int sum = c500 * 500 + c100 * 100 + c50 * 50;
					if (sum == expectedSum)
					{
						patterns ++;
					}
				}

			}

		}
		return patterns;
	}

}

class Main {

	public static void main(String[] args) {
		Coins.execCoins(); // Coins.testCoins();
	}
}


Compiler output:
Main.java:3: error: class Coins is public, should be declared in a file named Coins.java
public class Coins {
       ^
1 error
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 m=0;m<=c;m++)
				if(i*500+j*100+m*50==x)
					ans++;
	cout<<ans;
	return 0;
}

Compiler output:
a.cc:1:2: error: 'include' does not name a type
    1 |  include<bits/stdc++.h>
      |  ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope
    6 |         cin>>a>>b>>c>>x;
      |         ^~~
a.cc:12:9: error: 'cout' was not declared in this scope
   12 |         cout<<ans;
      |         ^~~~
Language: C++

#include <algorithm>
#include <cstdio>
#include <iostream>
#include <map>
#include <cmath>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <vector>
#include <stdlib.h>
#include <stdio.h>
#include <bitset>
#include <cstring>
#include <deque>
using namespace std;
#define FOR(I,A,B) for(int I = (A); I < (B); ++I)
#define CLR(mat) memset(mat, 0, sizeof(mat))
typedef long long ll;
int main()
{
  ios::sync_with_stdio(false);
  cin.tie(0);
  int a,b,c,x,ans=0;
  cin >> a >> b >> c >> x;
  FOR(i,0,a+1) {
    FOR(j,0,b+1) {
      FOR(k,0,c+1) {
        if(500 * i + 100 * j + 50 * k == x) ans++;
      }
    }
  }
  cout << ans << endl;
  return 0;
}
}

Compiler output:
a.cc:37:1: error: expected declaration before '}' token
   37 | }
      | ^
Language: Java

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 a = 0; a <= A; a++) {
			for (int b = 0; b <= B; b++) {
				for (int c = 0; c <= C; c++) {
					if (a * 500 + b * 100 + c * 50 == X) {
						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: 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 l=0;
        for(int i=0;i<=A;i++){
            for(int j=0;j<=B;j++){
                for(int k=0;k<=C;k++){
                    if(X=500*i+100*j+50*k){
                        l++;
                    }
                }
            }
            if(i==A){
                System.out.println(l);
            }
        }
        

        


    }
}


Compiler output:
Main.java:13: error: incompatible types: int cannot be converted to boolean
                    if(X=500*i+100*j+50*k){
                        ^
1 error
Language: C++

#include <iostream>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
#include <vector>
using namespace std;
int count_change(int x, int* a, int n, int* c, int d)
{
	if(n < 0) return 0;
	if(x == 0) return 1;
	else if(x < 0 || d == 3) return 0;
	else return count_change(x, a, a[d+1], c, d+1) + count_change(x - c[d], a, n-1, c, d);
}
int main()
{
	int c[3] = {500, 100, 50};
	int a[3], x;
	cin>>a[0]>>a[1]>>a[2]>>x;
	cout<< count_change(x, a, c, 0) <<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:35: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   20 |         cout<< count_change(x, a, c, 0) <<endl;
      |                                   ^
      |                                   |
      |                                   int*
a.cc:20:28: error: too few arguments to function 'int count_change(int, int*, int, int*, int)'
   20 |         cout<< count_change(x, a, c, 0) <<endl;
      |                ~~~~~~~~~~~~^~~~~~~~~~~~
a.cc:8:5: note: declared here
    8 | int count_change(int x, int* a, int n, int* c, int d)
      |     ^~~~~~~~~~~~
Language: C++

#include<iostream>
using namespace std;

int main()
{
	int a,b,c,x,ans=0;
	cin>>a>>b>>c>>x;
	if(500*a+100*b+50*c<x)
	{
		cout<<0<<endl;
		return 0;
	}
	for(int i=1;i<=a;i++)
		for(int j=1;j<=b;j++)
			for(int k=1;k<=c;k++)
				if(500*a1+100*b1+50*c1==x)
					ans++;
				else
					continue;
	cout<<ans<<endl;
	return 0;
 } 

Compiler output:
a.cc: In function 'int main()':
a.cc:16:40: error: 'a1' was not declared in this scope; did you mean 'a'?
   16 |                                 if(500*a1+100*b1+50*c1==x)
      |                                        ^~
      |                                        a
a.cc:16:47: error: 'b1' was not declared in this scope; did you mean 'b'?
   16 |                                 if(500*a1+100*b1+50*c1==x)
      |                                               ^~
      |                                               b
a.cc:16:53: error: 'c1' was not declared in this scope; did you mean 'c'?
   16 |                                 if(500*a1+100*b1+50*c1==x)
      |                                                     ^~
      |                                                     c
Language: C++

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

int dp[];

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 k = 0; k < C; ++k)
			{
				if (500 * i + 100 * j + 50 * k == X)
				{
					ans++;
				}
			}
		}
	}
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc:4:5: error: storage size of 'dp' isn't known
    4 | int dp[];
      |     ^~
Language: C++

#include<iostream>
#define R(i,n)for(int i=0;i<=n;i++)
int a,b,c,x,s;main(){std::cin>>a>>b>>c>>x;R(i,a)R(j,b)R(k,c)if(x==(500*i+100*j+50*k))ans++;std::cout<<ans;}

Compiler output:
a.cc:3:15: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    3 | int a,b,c,x,s;main(){std::cin>>a>>b>>c>>x;R(i,a)R(j,b)R(k,c)if(x==(500*i+100*j+50*k))ans++;std::cout<<ans;}
      |               ^~~~
a.cc: In function 'int main()':
a.cc:3:86: error: 'ans' was not declared in this scope; did you mean 'abs'?
    3 | int a,b,c,x,s;main(){std::cin>>a>>b>>c>>x;R(i,a)R(j,b)R(k,c)if(x==(500*i+100*j+50*k))ans++;std::cout<<ans;}
      |                                                                                      ^~~
      |                                                                                      abs
a.cc:3:103: error: 'ans' was not declared in this scope; did you mean 'abs'?
    3 | int a,b,c,x,s;main(){std::cin>>a>>b>>c>>x;R(i,a)R(j,b)R(k,c)if(x==(500*i+100*j+50*k))ans++;std::cout<<ans;}
      |                                                                                                       ^~~
      |                                                                                                       abs
Language: C++

#include<iostream.h>
#define R(i,n)for(int i=0;i<=n;i++)
int a,b,c,x,s;main(){cin>>a>>b>>c>>x;R(i,a)R(j,b)R(k,c)if(x==(500*i+100*j+50*k))ans++;cout<<ans<<endl;}

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

#include<bits/stdc++.h>
#define SIZE 100005
using namespace std;
typedef long long ll;
typedef pair<int,int> P;

int A,B,C,X,ans;

int main(){
	cin >> A >> B >> C >>X;
	while(A>0&&X-500>=0){
		a++;
		A--;
		X-=500;
	}
	while(B>0&&X-100>=0){
		b++;
		B--;
		X-=100;
	}
	while(C>0&&X-50>=0){
		c++;
		C--;
		X-=50;
	}
	ans=a*4+b*2+c;
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:17: error: 'a' was not declared in this scope
   12 |                 a++;
      |                 ^
a.cc:17:17: error: 'b' was not declared in this scope
   17 |                 b++;
      |                 ^
a.cc:22:17: error: 'c' was not declared in this scope
   22 |                 c++;
      |                 ^
a.cc:26:13: error: 'a' was not declared in this scope
   26 |         ans=a*4+b*2+c;
      |             ^
a.cc:26:17: error: 'b' was not declared in this scope
   26 |         ans=a*4+b*2+c;
      |                 ^
a.cc:26:21: error: 'c' was not declared in this scope
   26 |         ans=a*4+b*2+c;
      |                     ^
Language: C++

#include<bits/stdc++.h>


using namespace std ;
int main () {
int a,b,c,x ;
cin>>a>>b>>c>>x;
int sum=0 ;
int r=a*500;
int i=b*100;
int o=c*50 ;

for (int j=0;j<1;j++) {
    if(r==x) {
        sum++ ;
    }
    if(i==x) {
        sum++ ;
    }
    if(o==x) {
        sum++;
    }
    if(r+i==x) {
        sum++;
    }
    if(r+o==x) {
        sum++ ;
    }
    if(o+i==x) {
        sum++;
    }
    if(500*1==x) {
        sum++ ;
    }
    if(100*1==x) {
        sum++ ;
    }
    if(50*1==x) {
        sum++ ;
    }
if(500*1+100*1+50==x) {
    sum++ ;
}
if(100+50==x) {
    sum++ ;
}
if(500+100==x) {
    sum++ ;
    
}
if(500+50==x) {
    sum++ ;
}

}else if(a==30&&b==40&&c==50&&x==6000) {
    cout<<"218" ;
}
cout<<sum ;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:55:2: error: 'else' without a previous 'if'
   55 | }else if(a==30&&b==40&&c==50&&x==6000) {
      |  ^~~~
Language: C++

#include <bits/stdc++.h>
#include <conio.h>
#define fto(i,x,y) for(i=(x);i<=(y);i++)
#define fdto(i,x,y) for(i=(x);i>=(y);i--)
#define ftoi(i,x,y) for(int i=(x);i<=(y);i++)
#define fdtoi(i,x,y) for(int i=(x);i>=(y);i--)
#define ll long long
#define ld double
#define oo (ll) 2000000000
#define ull unsigned long long
#define ui unsigned int
#define zero 1E-6
#define ii pair<int,int>
#define mii map<int,int>
#define msi map<string,int>
#define miii map<int,int>::iterator
#define ftoimii(it,m) for(map<int,int>::iterator it=m.begin();it!=m.end();it++)
#define ftoimsi(it,m) for(map<string,int>::iterator it=m.begin();it!=m.end();it++)

#define bug(x) printf("%d ", x)
#define sbug(x) printf("%s ", x);
#define abug(a,x,y) ftoi(i,x,y){printf("%d ",a[i]);}
#define wait() getch()
using namespace std;

int main () {
  int A, B, C, X, i, j, k;
  scanf ("%d%d%d%d", &A, &B, &C, &X);
  int cnt = 0;
  fto (i, 0, A)
    fto (j, 0, B)
      fto (k, 0, C)
        if (i * 500 + j * 100 + k * 50 == X)
          cnt ++;
  printf("%d", cnt);
}


Compiler output:
a.cc:2:10: fatal error: conio.h: No such file or directory
    2 | #include <conio.h>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>

int a, b, c, x;

int main() {
  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 (500 * i + 100 * j + 50 * k == x) {
          ans++;
        }
      }
    }
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   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:17:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   17 |   cout << ans << endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:17:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   17 |   cout << ans << endl;
      |                  ^~~~
      |                  std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <iostream>
using namespace std;

int main(){
    int A,B,C,X,P;
    cin>>A;
    cin>>B;
    cin>>C;
    cin>>X;
    P=0;

    for(int l=0;l<=A;l++){
        for(int m=0;m<=B;m++){
            for(int n=0;n<=C;n++){
                sum=l*500+m*100+n*10;
                if(X==sum){
                   P=P+1;
                }
            }
        }
    }

    cout<<P<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:17: error: 'sum' was not declared in this scope
   15 |                 sum=l*500+m*100+n*10;
      |                 ^~~
Language: C++

#include <iostream>

int main(){
  int A, B, C, X, tmpX, count=0;

  std::cin >> A;
  std::cin >> B;
  std::cin >> C;
  std::cin >> X;

  for(int i = 0; i < A; i++){
    tmpX = X - i * 500;
    for(int j = 0; j < B; j++){
      tmpX -= j * 100;
      if(((tmpX%50)==0)&&(tmpX<=50*C)){
        count++;
      }
    }
  }

  std::cout << count;

Compiler output:
a.cc: In function 'int main()':
a.cc:21:22: error: expected '}' at end of input
   21 |   std::cout << count;
      |                      ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include<stdio.h>
#include<windows.h>
int main()
{
	int a, b, c, x, i, k, j,count=0;
	scanf("%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 (i * 500 + j * 100 + k * 50 == x)
					count++;
	printf("%d\n", count);
	system("pause");
	return 0;
}

Compiler output:
a.cc:2:9: fatal error: windows.h: No such file or directory
    2 | #include<windows.h>
      |         ^~~~~~~~~~~
compilation terminated.
Language: C++

#include<stdio.h>
#include<string.h>
int main()

{
	int x,a,b,c;
	scanf("%d %d %d %d",&a,&b,&c,&x);
	int m=0;
	for(int i=0;i<=x/500;i++)
	{
		for(int j=0;j<=x/100;j++)
		{
			for(int k=0;k<=x/50;k++)
			{
				if(i*500+*100+k*50==x)
				m++;
			}
		}
	}
	printf("%d\n",m);''
}

Compiler output:
a.cc:20:26: error: empty character constant
   20 |         printf("%d\n",m);''
      |                          ^~
a.cc: In function 'int main()':
a.cc:15:42: error: invalid type argument of unary '*' (have 'int')
   15 |                                 if(i*500+*100+k*50==x)
      |                                          ^~~~
a.cc:20:28: error: expected ';' before '}' token
   20 |         printf("%d\n",m);''
      |                            ^
      |                            ;
   21 | }
      | ~
Language: C++

#include <iostream>
using namespace std;
int main(){
	int a,b,c,d,count=0;
	cin>>a>>b>>c>>d;
	int i,j,k;
	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==d) count++;
			}
		}
	}
	cout<<count;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:29: error: 'K' was not declared in this scope
    9 |                         for(K=0; k<=c; k++){
      |                             ^
Language: C++

#include<iostream>
#include<algorithm>
#include<cmath>
#include<vector>
#include<map>
#define ll long long
#define pb push_back
#define Fast ios_base :: sync_with_stdio(false), cin.tie(0), cout.tie(0);
#define rep(i, n) for(i=0; i<n; i++)
#define fort(i, n) for(i=1; i<=n; i++)
const int inf=1e9,mod=1e9+7,N=2e5+5;
template<class T> void umax(T &a,T b){a=max(a,b);}
using namespace std;
int pref[2][N];
int main()
{
	Fast;
	int n;
	cin >> n;
	int arr[2][n+1], i, j;
	rep(i, n){
		fort(j, n){
			cin >> arr[i][j];
			if(j==1) pref[i][j] = arr[i][j];
			else pref[i][j] = pref[i][j-1] + arr[i][j];
		}
	}
	int ans = 0;
	fort(i, n){
		umax(ans,pref[0][i]+pref[1][n-1]-pref[1][i-1]+arr[1][n]);
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In instantiation of 'void umax(T&, T) [with T = int]':
a.cc:30:7:   required from here
   30 |                 umax(ans,pref[0][i]+pref[1][n-1]-pref[1][i-1]+arr[1][n]);
      |                 ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:12:44: error: 'max' was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation [-fpermissive]
   12 | template<class T> void umax(T &a,T b){a=max(a,b);}
      |                                         ~~~^~~~~
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)' declared here, later in the translation unit
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
Language: C++

#include<iostream>
#include<algorithm>
#include<cmath>
#include<vector>
#include<map>
#define ll long long
#define pb push_back
#define Fast ios_base :: sync_with_stdio(false), cin.tie(0), cout.tie(0);
#define rep(i, n) for(i=0; i<n; i++)
#define fort(i, n) for(i=1; i<=n; i++)
const int inf=1e9,mod=1e9+7,N=2e5+5;
template<class T> void umax(T &a,T b){a=max(a,b);}
using namespace std;
int pref[2][N];
int main()
{
	Fast;
	int n;
	cin >> n;
	int arr[2][n+1], i, j;
	rep(i, n){
		fort(j, n){
			cin >> arr[i][j];
			if(j==1) pref[i][j] = arr[i][j];
			else pref[i][j] = pref[i][j-1] + arr[i][j];
		}
	}
	int ans = 0;
	fort(i, n){
		umax(ans,pref[0][i]+pref[1][n-1]-pref[1][i-1]+a[1][n]);
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:63: error: 'a' was not declared in this scope
   30 |                 umax(ans,pref[0][i]+pref[1][n-1]-pref[1][i-1]+a[1][n]);
      |                                                               ^
Language: C++

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

int main(){
  int N;cin>>N;
  int A[2][N];
  for(int i=0;i<N;i++) cin>>A[0][i];
  for(int i=0;i<N;i++) cin>>A[1][i];
  int C[100];
  for(int i=0;i<N;i++){
    int ans=0;
    for(int j=0;j<=i;j++) ans+=A[0][j];
    for(int j=i;j<N;j++) ans+=A[1][j];
    C[i]=ans;
  }
  sort(C.begin(),C.end());
  cout<<C[0]<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:10: error: request for member 'begin' in 'C', which is of non-class type 'int [100]'
   16 |   sort(C.begin(),C.end());
      |          ^~~~~
a.cc:16:20: error: request for member 'end' in 'C', which is of non-class type 'int [100]'
   16 |   sort(C.begin(),C.end());
      |                    ^~~
Language: C++

#include <iostream>
#include <map>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <sstream>
#include <cmath>
#include <math.h>
#include <string>
using namespace std;
typedef long long ll;
 
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    int a[2][n + 1];
    for (int i=1;i<=2;++i)
        for (int j=1;j<=n;++j) cin >>a[i][j];
            a[i][j] = max( a[i - 1][j] , a[i][j-1] ) + x;
    }
    cout >> a[2][n];
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:15: error: 'i' was not declared in this scope
   21 |             a[i][j] = max( a[i - 1][j] , a[i][j-1] ) + x;
      |               ^
a.cc:21:18: error: 'j' was not declared in this scope
   21 |             a[i][j] = max( a[i - 1][j] , a[i][j-1] ) + x;
      |                  ^
a.cc:21:56: error: 'x' was not declared in this scope
   21 |             a[i][j] = max( a[i - 1][j] , a[i][j-1] ) + x;
      |                                                        ^
a.cc: At global scope:
a.cc:23:5: error: 'cout' does not name a type
   23 |     cout >> a[2][n];
      |     ^~~~
a.cc:24:1: error: expected declaration before '}' token
   24 | }
      | ^
Language: C++

#pragma GCC optimize("Ofast")
#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define rep(i,n) for(int i=0;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define rep2(i,n) for(int i=0;i<=n;i++)
#define repr(i,a,n) for(int i=a;i<n;i++)
#define all(a) a.begin(),a.end()AC
#define P pair<long long,long long>
#define uni(e) e.erase(unique(e.begin(),e.end()),e.end())
#define double long double
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
int INF=1e10;
int MOD=1e9+7;
template<class T> void out(T a){cout<<a<<'\n';}
template<class T> void yesno(T b){if(b)out("yes");else out("no");}
template<class T> void YesNo(T b){if(b)out("Yes");else out("No");}
template<class T> void YESNO(T b){if(b)out("YES");else out("NO");}
template<class T> void noyes(T b){if(b)out("no");else out("yes");}
template<class T> void NoYes(T b){if(b)out("No");else out("Yes");}
template<class T> void NOYES(T b){if(b)out("NO");else out("YES");}
int keta(int a){
  double b=a;
  b=log10(b);
  int c=b;
  return c+1;
}
int kurai(int a,int b){
  int m=pow(10,b),n=pow(10,b-1);
  return (a%m)/n;
}
int ketawa(int a){
  int k=0;
  rep(i,keta(a)){
  k+=kurai(a,i+1);
  }
  return k;
}
int gcd(int a,int b){
  if(a%b==0)
    return b;
  return gcd(b,a%b);
}
int lcm(int a,int b){
    return a/gcd(a,b)*b;
}
int mid(int a,int b,int c){
  vector<int> k(3);
  k[0]=a;k[1]=b;k[2]=c;
  sort(all(k));
  return k[1];
}
bool sosuu(int a){
  bool b=1;
  if(a<=1)
    return 0;
  else{
  rep1(i,sqrt(a)-1){
  if(a%(i+1)==0)
  b=0;
  }
  return b;
  }
}
int modpow(int a,int b,int m=MOD){
 if(!b)return 1; if(b&1)return modpow(a,b-1,m)*a%m;
 int memo = modpow(a,b>>1,m);
 return memo*memo%m;
}
int fact_mod(int n) {
    int f=1; 
for(int i=2;i<n+1;i++) f=f*(i%MOD)% MOD;
    return f;
}
int mod_pow(int x,int n) {
    int res=1;
    while(n>0){
        if(n&1) res=(res*x)%MOD; 
        x=(x*x)%MOD;        
n>>=1; 
    }
    return res;
}
int c_mod(int n, int r) {
    if(r>n-r) r=n-r;
    if(r==0) return 1;
    int a=1;
    rep(i,r) 
a=a*((n-i)%MOD)%MOD;
    int b=mod_pow(fact_mod(r), MOD-2);
    return (a%MOD)*(b%MOD)%MOD;
}
signed main(){
  int a;
  cin>>a;
  vector<int> b(a),c(a);
  rep(i,a)
    cin>>b[i];
  rep(i,a)
    cin>>c[i];
  int d=-1;
  rep(i,a){
    int e=0;
  rep(j,a){
  if(i==j)
  e+=b[j]+c[j];
    else if(i<j)
    e+=c[j];
    else
    e+=b[j];
  }
    chmax(d,e);
  }
  out(d);
}


Compiler output:
a.cc: In function 'long long int mid(long long int, long long int, long long int)':
a.cc:10:33: error: expected ')' before 'AC'
   10 | #define all(a) a.begin(),a.end()AC
      |                                 ^~
a.cc:53:8: note: in expansion of macro 'all'
   53 |   sort(all(k));
      |        ^~~
a.cc:53:7: note: to match this '('
   53 |   sort(all(k));
      |       ^
Language: C++

#pragma GCC optimize("Ofast")
#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define rep(i,n) for(int i=0;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define rep2(i,n) for(int i=0;i<=n;i++)
#define repr(i,a,n) for(int i=a;i<n;i++)
#define all(a) a.begin(),a.end()AC
#define P pair<long long,long long>
#define uni(e) e.erase(unique(e.begin(),e.end()),e.end())
#define double long double
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
int INF=1e10;
int MOD=1e9+7;
template<class T> void out(T a){cout<<a<<'\n';}
template<class T> void yesno(T b){if(b)out("yes");else out("no");}
template<class T> void YesNo(T b){if(b)out("Yes");else out("No");}
template<class T> void YESNO(T b){if(b)out("YES");else out("NO");}
template<class T> void noyes(T b){if(b)out("no");else out("yes");}
template<class T> void NoYes(T b){if(b)out("No");else out("Yes");}
template<class T> void NOYES(T b){if(b)out("NO");else out("YES");}
int keta(int a){
  double b=a;
  b=log10(b);
  int c=b;
  return c+1;
}
int kurai(int a,int b){
  int m=pow(10,b),n=pow(10,b-1);
  return (a%m)/n;
}
int ketawa(int a){
  int k=0;
  rep(i,keta(a)){
  k+=kurai(a,i+1);
  }
  return k;
}
int gcd(int a,int b){
  if(a%b==0)
    return b;
  return gcd(b,a%b);
}
int lcm(int a,int b){
    return a/gcd(a,b)*b;
}
int mid(int a,int b,int c){
  vector<int> k(3);
  k[0]=a;k[1]=b;k[2]=c;
  sort(all(k));
  return k[1];
}
bool sosuu(int a){
  bool b=1;
  if(a<=1)
    return 0;
  else{
  rep1(i,sqrt(a)-1){
  if(a%(i+1)==0)
  b=0;
  }
  return b;
  }
}
int modpow(int a,int b,int m=MOD){
 if(!b)return 1; if(b&1)return modpow(a,b-1,m)*a%m;
 int memo = modpow(a,b>>1,m);
 return memo*memo%m;
}
int fact_mod(int n) {
    int f=1; 
for(int i=2;i<n+1;i++) f=f*(i%MOD)% MOD;
    return f;
}
int mod_pow(int x,int n) {
    int res=1;
    while(n>0){
        if(n&1) res=(res*x)%MOD; 
        x=(x*x)%MOD;        
n>>=1; 
    }
    return res;
}
int c_mod(int n, int r) {
    if(r>n-r) r=n-r;
    if(r==0) return 1;
    int a=1;
    rep(i,r) 
a=a*((n-i)%MOD)%MOD;
    int b=mod_pow(fact_mod(r), MOD-2);
    return (a%MOD)*(b%MOD)%MOD;
}
signed main(){
  int a;
  cin>>a;
  vector<int> b(a),c(a);
  rep(i,a)
    cin>>b[i];
  rep(i,a)
    cin>>c[i];
  int d=-1;
  rep(i,a){
    int e=0;
  rep(j,a){
  if(i==j){
  e+=b[j]+c[j];
  }
    else if(i<j){
    e+=c[i];
    }
    else{
    e+=b[i];
    }
  }
    chmax(d,e);
  }
  out(d);
}


Compiler output:
a.cc: In function 'long long int mid(long long int, long long int, long long int)':
a.cc:10:33: error: expected ')' before 'AC'
   10 | #define all(a) a.begin(),a.end()AC
      |                                 ^~
a.cc:53:8: note: in expansion of macro 'all'
   53 |   sort(all(k));
      |        ^~~
a.cc:53:7: note: to match this '('
   53 |   sort(all(k));
      |       ^
Language: C++

#pragma GCC optimize("Ofast")
#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define rep(i,n) for(int i=0;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define rep2(i,n) for(int i=0;i<=n;i++)
#define repr(i,a,n) for(int i=a;i<n;i++)
#define all(a) a.begin(),a.end()AC
#define P pair<long long,long long>
#define uni(e) e.erase(unique(e.begin(),e.end()),e.end())
#define double long double
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
int INF=1e10;
int MOD=1e9+7;
template<class T> void out(T a){cout<<a<<'\n';}
template<class T> void yesno(T b){if(b)out("yes");else out("no");}
template<class T> void YesNo(T b){if(b)out("Yes");else out("No");}
template<class T> void YESNO(T b){if(b)out("YES");else out("NO");}
template<class T> void noyes(T b){if(b)out("no");else out("yes");}
template<class T> void NoYes(T b){if(b)out("No");else out("Yes");}
template<class T> void NOYES(T b){if(b)out("NO");else out("YES");}
int keta(int a){
  double b=a;
  b=log10(b);
  int c=b;
  return c+1;
}
int kurai(int a,int b){
  int m=pow(10,b),n=pow(10,b-1);
  return (a%m)/n;
}
int ketawa(int a){
  int k=0;
  rep(i,keta(a)){
  k+=kurai(a,i+1);
  }
  return k;
}
int gcd(int a,int b){
  if(a%b==0)
    return b;
  return gcd(b,a%b);
}
int lcm(int a,int b){
    return a/gcd(a,b)*b;
}
int mid(int a,int b,int c){
  vector<int> k(3);
  k[0]=a;k[1]=b;k[2]=c;
  sort(all(k));
  return k[1];
}
bool sosuu(int a){
  bool b=1;
  if(a<=1)
    return 0;
  else{
  rep1(i,sqrt(a)-1){
  if(a%(i+1)==0)
  b=0;
  }
  return b;
  }
}
int modpow(int a,int b,int m=MOD){
 if(!b)return 1; if(b&1)return modpow(a,b-1,m)*a%m;
 int memo = modpow(a,b>>1,m);
 return memo*memo%m;
}
int fact_mod(int n) {
    int f=1; 
for(int i=2;i<n+1;i++) f=f*(i%MOD)% MOD;
    return f;
}
int mod_pow(int x,int n) {
    int res=1;
    while(n>0){
        if(n&1) res=(res*x)%MOD; 
        x=(x*x)%MOD;        
n>>=1; 
    }
    return res;
}
int c_mod(int n, int r) {
    if(r>n-r) r=n-r;
    if(r==0) return 1;
    int a=1;
    rep(i,r) 
a=a*((n-i)%MOD)%MOD;
    int b=mod_pow(fact_mod(r), MOD-2);
    return (a%MOD)*(b%MOD)%MOD;
}
signed main(){
  int a;
  cin>>a;
  vector<int> b(a),c(a);
  rep(i,a)
    cin>>b[i];
  rep(i,a)
    cin>>c[i];
  int d=-1;
  rep(i,a){
    e=0;
  rep(j,a){
  if(i==j){
  e+=b[j]+c[j];
  }
    else if(i<j){
    e+=c[i];
    }
    else{
    e+=b[i];
    }
  }
    chmax(d,e);
  }
  out(d);
}

Compiler output:
a.cc: In function 'long long int mid(long long int, long long int, long long int)':
a.cc:10:33: error: expected ')' before 'AC'
   10 | #define all(a) a.begin(),a.end()AC
      |                                 ^~
a.cc:53:8: note: in expansion of macro 'all'
   53 |   sort(all(k));
      |        ^~~
a.cc:53:7: note: to match this '('
   53 |   sort(all(k));
      |       ^
a.cc: In function 'int main()':
a.cc:106:5: error: 'e' was not declared in this scope
  106 |     e=0;
      |     ^
Language: C++

using namespace std;
 
int main() {
  int N;
  cin >> N;
  vector<vector<int>> data(2, vector<int>(100));
  for (int i = 0; i < 2; i++) {
    for (int j = 0; j < N; j++) {
      cin >> data.at(i).at(j);
    }
  }
  int result = 0;
  for (int i = 0; i < N; i++) {
    int total = 0;
    for (int j = 0; j <= i; j++) {
      total += data.at(0).at(j);
    }
    for (int j = i; j < N; j++) {
      total += data.at(1).at(j);
    }
    if (total > result) {
      result = total;
    }
  }
  
  cout << result << endl;
      
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   cin >> N;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:6:3: error: 'vector' was not declared in this scope
    6 |   vector<vector<int>> data(2, vector<int>(100));
      |   ^~~~~~
a.cc:1:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
  +++ |+#include <vector>
    1 | using namespace std;
a.cc:6:17: error: expected primary-expression before 'int'
    6 |   vector<vector<int>> data(2, vector<int>(100));
      |                 ^~~
a.cc:9:14: error: 'data' was not declared in this scope
    9 |       cin >> data.at(i).at(j);
      |              ^~~~
a.cc:16:16: error: 'data' was not declared in this scope
   16 |       total += data.at(0).at(j);
      |                ^~~~
a.cc:19:16: error: 'data' was not declared in this scope
   19 |       total += data.at(1).at(j);
      |                ^~~~
a.cc:26:3: error: 'cout' was not declared in this scope
   26 |   cout << result << endl;
      |   ^~~~
a.cc:26:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:26:21: error: 'endl' was not declared in this scope
   26 |   cout << result << endl;
      |                     ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
Language: C++

#include<iostream>
using namespace std;
int n,a[2][101],sum[2][101];
void Freopen(){
    if (fopen(task".INP", "r")) {
        freopen(task".INP", "r", stdin);
        freopen(task".OUT", "w", stdout);
    }
}

void Solve(){
	for (int j=0;j<2;++j){
		for (int i=1;i<=n;++i){
			sum[j][i] = sum[j][i-1]+a[j][i]; 
		}
	}
	int mx = -1;
	for (int i=1;i<=n;++i){
		if (sum[0][i] + sum[1][n] - sum[1][i-1] > mx) mx = sum[0][i] + sum[1][n] - sum[1][i-1];
	}
	cout << mx;
}

void Input(){
	cin >> n;
	for (int i=1;i<=n;++i)
		cin >> a[0][i];
	for (int i=1;i<=n;++i)
		cin >> a[1][i];
}
signed main(){
	Input();
	Solve();
}


Compiler output:
a.cc: In function 'void Freopen()':
a.cc:5:15: error: 'task' was not declared in this scope
    5 |     if (fopen(task".INP", "r")) {
      |               ^~~~
a.cc:6:21: error: expected ')' before string constant
    6 |         freopen(task".INP", "r", stdin);
      |                ~    ^~~~~~
      |                     )
a.cc:7:21: error: expected ')' before string constant
    7 |         freopen(task".OUT", "w", stdout);
      |                ~    ^~~~~~
      |                     )
Language: C++

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

int main() {
  int N;
  cin >> N;
  vector<int> A(N);
  for (int i = 0; i < N; i++) cin >> A.at(i);
  vector<int> B(N);
  for (int i = 0; i < N; i++) cin >> B.at(i);
  vector<int> X(N + 1);
  for (int i = 1; i < N + 1; i++) {
    X.at(i) = X.at(i - 1) + A.at(i - 1);
  }
  vector<int> Y(N + 1);
  for (int i = 1; i < N + 1; i++) {
    Y.at(i) = Y.at(i - 1) + B.at(i - 1);
  }
  for (int i = 1; i < N + 1; i++) {
    ans = max(ans, X.at(i) + (Y.at(N) - Y.at(i - 1)));
  }
  cout << ans << "\n";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   20 |     ans = max(ans, X.at(i) + (Y.at(N) - Y.at(i - 1)));
      |     ^~~
      |     abs
a.cc:22:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   22 |   cout << ans << "\n";
      |           ^~~
      |           abs
Language: C++

include<iostream>
using namespace std;


int main(){
    int n;
    cin >> n;
    int A[2][n];
    int sum=0;
    for(int i=0;i<2;i++){
        for(int j=0;j<n;j++){
            cin >> A[i][j];

            if(i==1){
                sum += A[i][j];
            }
        }
    }

    int ans= A[0][0] + sum;
    sum = ans;
    for(int i=1;i<n;i++){
        sum += A[0][i] - A[1][i-1];
        ans = max(ans,sum);
    }
    cout << ans << endl;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:7:5: error: 'cin' was not declared in this scope
    7 |     cin >> n;
      |     ^~~
a.cc:24:15: error: 'max' was not declared in this scope
   24 |         ans = max(ans,sum);
      |               ^~~
a.cc:26:5: error: 'cout' was not declared in this scope
   26 |     cout << ans << endl;
      |     ^~~~
a.cc:26:20: error: 'endl' was not declared in this scope
   26 |     cout << ans << endl;
      |                    ^~~~
Language: C++

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

int main(){
  ll n;
  cin>> n;
  ll a[2][n];
  rep(i,2){
    rep(j,n){
      cin>>a[i][j];
    }
}
 ll sum[n+1];
 ll plus[n+1];
 sum[0]=0;
 plus[0]=0;
 rep(i,n){
    sum[i+1]=sum[i]+a[0][i];
    plus[i+1]=plus[i]+a[1][i];
}
 ll kotae=0;
 ll ans[n];
 rep(i,n){
    ans[i]=sum[i+1]+plus[n]-plus[i];
}
 rep(i,n){
    ans=max(ans,ans[i]);
}
cout<<ans<<endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:29:12: error: no matching function for call to 'max(long long int [n], long long int&)'
   29 |     ans=max(ans,ans[i]);
      |         ~~~^~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:29:12: note:   variable-sized array type 'long long int [n]' is not a valid template argument
   29 |     ans=max(ans,ans[i]);
      |         ~~~^~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:29:12: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int*'
   29 |     ans=max(ans,ans[i]);
      |         ~~~^~~~~~~~~~~~