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

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N;
  int x;
  cin >> N >> x;
  
  int count = 0;
  
 vector<int> vec(N);
  for (int i = 0; i < N; i++){
    cin >> vec.at(i);
  }
  
  sort (vec.begin(), vec.end());
    
    for (int j = 0; j < N; j++){
      if (vec.at(j) == 0){
      }
      
    else if (vec.at(j) <= x){
        count++;
        x -= vec.at(j);
      }
        else {
        }
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:28:6: error: expected '}' at end of input
   28 |     }
      |      ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

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

using namespace std;

int main()
{
	int N, x;

	cin >> N >> x;

	int distributing;
	vector<int> distrubiton;
	if (N <= 100)
	{
		for (int count(0); count < N; ++count)
		{
			cin >> distributing;
			distrubiton.push_back(distributing);
		}
	}

	sort(distrubiton.begin(), distrubiton.end());

	// do addition
	int tempsum(0);
	for (auto each : distrubiton)
		tempsum += each;

	int sum(0), counting(0), total = x, alot(0);
	for (auto each : distrubiton)
	{
		if (total >= each && total <= pow(10, 9))
		{
			if (each == *(distrubiton.end() - 1) && total > each)
			{
				break;
			}
			++counting;
			total -= each;
		}
	}

	if (counting > 0)
		cout << counting;
	else
		cout << 0;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:34:47: error: 'pow' was not declared in this scope
   34 |                 if (total >= each && total <= pow(10, 9))
      |                                               ^~~
Language: C

#include<stdio.h>
#include<stdlib.h>
	int main(void){
      int children;
      int sum = 0;
      int kosu[99];
      int snack;
      printf("子供の数を入力してください。\n");
      scanf("%d",&children);
      printf("お菓子の数を入力してください。\n");
      scanf("%d",&snack);
      for(int i=0; i<=children-1; i++){
        	scanf("%d",&kosu[i]);
           }
      	for(int j=0; j<=children-1; j++){
       sum += int kosu[j];
      		}
      	if(sum == snack){
       printf("すべての子供は喜んだ");
      	}else{
       printf("喜ばなかった子供がいる。または、お菓子をきちんと配れなかった。");
      	}
      return 0;
    }


Compiler output:
main.c: In function 'main':
main.c:16:15: error: expected expression before 'int'
   16 |        sum += int kosu[j];
      |               ^~~
Language: C

include<stdio.h>
void swap(int *a,int *b);
int main(){
    int n,x,a[10],i,j,temp=0,count=0;
    
    scanf("%d%d",&n,&x);
    
    for(i=0;i<n;i++){
        scanf("%d",&a[i]);
    }
    
    for(i=0;i<n;++i){
        for(j=n-1;j>i;--j){
            if(a[j]<a[j-1]){
               swap(&a[j],&a[j-1]);
            }
        }
    }
    i=0;
    while(x>0&&n>i){
        x-=a[i];
        i++;
        count++;
    }
    if(x==0){
        printf("%d\n",count);
    }else{
        printf("%d\n",count-1);
    }
    return 0;
}
void swap(int *a,int *b){
    int temp;
    temp=*a;
    *a=*b;
    *b=temp;
}

Compiler output:
main.c:1:8: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
    1 | include<stdio.h>
      |        ^
main.c: In function 'main':
main.c:6:5: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    6 |     scanf("%d%d",&n,&x);
      |     ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | include<stdio.h>
main.c:6:5: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    6 |     scanf("%d%d",&n,&x);
      |     ^~~~~
main.c:6:5: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:15:16: error: implicit declaration of function 'swap' [-Wimplicit-function-declaration]
   15 |                swap(&a[j],&a[j-1]);
      |                ^~~~
main.c:26:9: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   26 |         printf("%d\n",count);
      |         ^~~~~~
main.c:26:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:26:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:26:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:28:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   28 |         printf("%d\n",count-1);
      |         ^~~~~~
main.c:28:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c: At top level:
main.c:32:6: warning: conflicting types for 'swap'; have 'void(int *, int *)'
   32 | void swap(int *a,int *b){
      |      ^~~~
main.c:15:16: note: previous implicit declaration of 'swap' with type 'void(int *, int *)'
   15 |                swap(&a[j],&a[j-1]);
      |                ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n,x,y=-1,sum=0;cin>>n>>x;
  vector<int>v(n);
  for(int i=0;i<n;i++){
    cin>>v.at(i);
  }
  sort(v.begin(),v.end());
  
    for(int i=0;i<n;i++){
    sum+=v.at(i);
    if(sum>x){
      cout<<i<<endl;
      y=0;
      break;
    }
  }
if(y==-1){
  if(sum==x)cout<<n<<endl;
  else cout<<n-1<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:2: error: expected '}' at end of input
   22 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include<iostream>
using namespace std;
int main() {
	int n, x;
	int a[110];
	__int64 aa = 0;
	int b;
	cin >> n;
	cin >> x;
	for (int i = 0;i < n;i++) {
		cin >> a[i];
		aa += a[i];
	}
	if (aa == x) {
		cout << n << endl;
	}
	else if (aa < x) {
		cout << n - 1 << endl;
	}
	else {
		for (int i = 0;i < n - 1;i++) {
			if (a[i] > a[i + 1]) {
				b = a[i];
				a[i] = a[i + 1];
				a[i + 1] = b;
				i -= 2;
				if (i < -1) {
					i = -1;
				}
			}
		}
		aa = 0;
		for (int i = 0;i < n;i++) {
			aa += a[i];
			if (aa > x) {
				cout << i << endl;
				break;
			}
		}
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: '__int64' was not declared in this scope; did you mean '__int64_t'?
    6 |         __int64 aa = 0;
      |         ^~~~~~~
      |         __int64_t
a.cc:12:17: error: 'aa' was not declared in this scope; did you mean 'a'?
   12 |                 aa += a[i];
      |                 ^~
      |                 a
a.cc:14:13: error: 'aa' was not declared in this scope; did you mean 'a'?
   14 |         if (aa == x) {
      |             ^~
      |             a
Language: C++

#include <algorithm>
#include <climits>
#include <iostream>
#include <map>
#include <set>
#include <string>
#include <vector>

long main() {
  long n, x; std::cin >> n >> x;
  std::vector<long> a;
  for (long i = 0; i < n; i++) {
    long d;
    std::cin >> d;
    a.push_back(d);
  }
  std::sort(a.begin(), a.end());

  long count = 0;
  for (auto v : a) {
    if (v > x) break;
    x -=v;
    count++;
  }

  std::cout << count << std::endl;
}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

//A-Candy_Distribution_Again
#include <iostream>
#include <algorithm>
using namespace std;

void swap(int*,int*);

int main()
{
  int i,j,n;
  long long int x;
  cin>>n>>x;
  int *a;
  a = new long long int[n];
  for(i=0;i<n;i++){
    cin>>a[i];
  }

  int min=a[0];
  j=1;
  for(i=1;i<n;i++){
    
    for(j=i;j<n;j++){
      if(min>a[j]){
        min=a[j];
        swap(&a[i-1],&a[j]);
      }
    }
    
  }

  for(i=0;i<n;i++){
    if(x-a[i]>= 0) x-=*(a +i);
    else break;
  }

  cout<<i<<endl;
  delete [] a;

  return 0;
}

void swap(int *a,int *b){
  int *c;
  c = b;
  b=a;
  a=c;
    }


Compiler output:
a.cc: In function 'int main()':
a.cc:14:7: error: cannot convert 'long long int*' to 'int*' in assignment
   14 |   a = new long long int[n];
      |       ^~~~~~~~~~~~~~~~~~~~
      |       |
      |       long long int*
Language: C++

#include<iostream>
using namespace std;
int main(){
  int a,b;
  cin>>a>>b>>c;
  if(a>b){
    cout<<1<<endl;
  }
  else{
    cout<<0<<endl;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:14: error: 'c' was not declared in this scope
    5 |   cin>>a>>b>>c;
      |              ^
Language: C++

int main()
{
	int N, x;

	cin >> N >> x;

	int distributing;
	vector<int> distrubiton;
	for (int count(0); count < N; ++count)
	{
		cin >> distributing;
		distrubiton.push_back(distributing);
	}

	sort(distrubiton.begin(), distrubiton.end());

	// do addition
	int tempsum(0);
	for (auto each : distrubiton)
		tempsum += each;

	int sum(0), counting(0), total = x;
	for (auto each : distrubiton)
	{
		if (total >= each)
		{
			total -= each;
			if (total >= 0)
				++counting;
		}
	}

	if (total > 0)
	{
		--counting;
	}

	if (counting > 0)
		cout << counting;
	else
		cout << 0;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'cin' was not declared in this scope
    5 |         cin >> N >> x;
      |         ^~~
a.cc:8:9: error: 'vector' was not declared in this scope
    8 |         vector<int> distrubiton;
      |         ^~~~~~
a.cc:8:16: error: expected primary-expression before 'int'
    8 |         vector<int> distrubiton;
      |                ^~~
a.cc:12:17: error: 'distrubiton' was not declared in this scope; did you mean 'distributing'?
   12 |                 distrubiton.push_back(distributing);
      |                 ^~~~~~~~~~~
      |                 distributing
a.cc:15:14: error: 'distrubiton' was not declared in this scope; did you mean 'distributing'?
   15 |         sort(distrubiton.begin(), distrubiton.end());
      |              ^~~~~~~~~~~
      |              distributing
a.cc:15:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   15 |         sort(distrubiton.begin(), distrubiton.end());
      |         ^~~~
      |         short
a.cc:39:17: error: 'cout' was not declared in this scope
   39 |                 cout << counting;
      |                 ^~~~
a.cc:41:17: error: 'cout' was not declared in this scope
   41 |                 cout << 0;
      |                 ^~~~
Language: C

#include <stdio.h>
int main()
{
    int N,tmp,x,k,sum=0;
    int a[100];
    int i=0,j=0;


    scanf("%d %d",&N,&x);

    if(N < 2 || x < 1 || x > 1000000000){
        break;
    }

    for(i=0;i<N;i++){
        scanf("%d",&a[i]);
    }

    k = N;

    for(i=0;i<N;i++){
        for(j=0;j<N;j++){
            if(a[j]>a[j+1]){
                tmp = a[j+1];
                a[j+1] = a[j];
                a[j] = tmp;
            }
        }
    }

    for(i=0;i<N;i++){
        sum = sum + a[i];
    }

    while(sum > x){
        sum = sum - a[N-1];
        N--;
        k--;
    }

    if(sum != x){
        k--;
    }

    if(k<0){
        k = 0;
    }
    printf("%d",k);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:12:9: error: break statement not within loop or switch
   12 |         break;
      |         ^~~~~
Language: Java

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

public class A27 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        long x = sc.nextInt();

        List<Long> aList = new ArrayList<>();

        for(int i=0; i<N; i++){
            aList.add((long)sc.nextInt());

        }
        Collections.sort(aList);

        int count = 0;

        for(int i=0; i<N; i++){
            x = x - aList.get(i);
            if(x == 0){
                count += 1;
                break;
            }else if(x < 0){
                break;
            }else if(aList.size()-1 != i){
                count += 1;
            }
        }

        System.out.print(count);

    }
}


Compiler output:
Main.java:6: error: class A27 is public, should be declared in a file named A27.java
public class A27 {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
int = N , x;
cin >> N >> x;
vector<int> A(N);
for (int i = 0; i < N; i++) {
  cin >> A.at(i);
}
sort(A.begin(), A.end());
for (int i = 0; i < N; i++) {
x=x-A.at(i);
if (x<0) {
      cout <<i<< endl;
      break;
    }
}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:5: error: expected unqualified-id before '=' token
    4 | int = N , x;
      |     ^
a.cc:5:8: error: 'N' was not declared in this scope
    5 | cin >> N >> x;
      |        ^
a.cc:5:13: error: 'x' was not declared in this scope
    5 | cin >> N >> x;
      |             ^
Language: C++

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

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

Compiler output:
a.cc:5:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    5 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:12:10: error: request for member 'begin' in 'a', which is of non-class type 'int [n]'
   12 |   sort(a.begin(),a.end());
      |          ^~~~~
a.cc:12:20: error: request for member 'end' in 'a', which is of non-class type 'int [n]'
   12 |   sort(a.begin(),a.end());
      |                    ^~~
Language: C++

#include<iostream>
using namespace std;

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

Compiler output:
a.cc:4:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    4 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:11:10: error: request for member 'begin' in 'a', which is of non-class type 'int [n]'
   11 |   sort(a.begin(),a.end());
      |          ^~~~~
a.cc:11:20: error: request for member 'end' in 'a', which is of non-class type 'int [n]'
   11 |   sort(a.begin(),a.end());
      |                    ^~~
a.cc:11:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   11 |   sort(a.begin(),a.end());
      |   ^~~~
      |   short
Language: C++

#include <bits/stdc++.h>
using namespace std;
int = N , x;
cin >> N >> x;
vector<int> A(N);
for (int i = 0; i < N; i++) {
  cin >> A.at(i);
}
sort(A.begin(), A.end());
for (int i = 0; i < N; i++) {
x=x-A.at(i);
if (x<0) {
      cout <<i<< endl;
      break;
    }
}


Compiler output:
a.cc:3:5: error: expected unqualified-id before '=' token
    3 | int = N , x;
      |     ^
a.cc:4:1: error: 'cin' does not name a type
    4 | cin >> N >> x;
      | ^~~
a.cc:5:15: error: 'N' was not declared in this scope
    5 | vector<int> A(N);
      |               ^
a.cc:6:1: error: expected unqualified-id before 'for'
    6 | for (int i = 0; i < N; i++) {
      | ^~~
a.cc:6:17: error: 'i' does not name a type
    6 | for (int i = 0; i < N; i++) {
      |                 ^
a.cc:6:24: error: 'i' does not name a type
    6 | for (int i = 0; i < N; i++) {
      |                        ^
a.cc:9:5: error: expected constructor, destructor, or type conversion before '(' token
    9 | sort(A.begin(), A.end());
      |     ^
a.cc:10:1: error: expected unqualified-id before 'for'
   10 | for (int i = 0; i < N; i++) {
      | ^~~
a.cc:10:17: error: 'i' does not name a type
   10 | for (int i = 0; i < N; i++) {
      |                 ^
a.cc:10:24: error: 'i' does not name a type
   10 | for (int i = 0; i < N; i++) {
      |                        ^
Language: C++

using System;
using System.Linq;

namespace Sample101
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] str = Console.ReadLine().Split(' ');

            int N = int.Parse(str[0]);
            int x = int.Parse(str[1]);

            // 喜ぶ個数
            int[] ai = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray();

            // 喜ぶ個数を渡す人数
            int result = 0;

            Array.Sort(ai);

            for (int i = N - 1; 0 <= i; --i)
            {
                if (x >= ai[i])
                {
                    x -= ai[i];
                    result++;
                    if (i == 0 && x != 0)
                    {
                        result--;
                    }
                }
            }

            Console.WriteLine(result);
        }
    }
}

Compiler output:
a.cc:1:7: error: expected nested-name-specifier before 'System'
    1 | using System;
      |       ^~~~~~
a.cc:2:7: error: expected nested-name-specifier before 'System'
    2 | using System.Linq;
      |       ^~~~~~
a.cc:8:26: error: 'string' has not been declared
    8 |         static void Main(string[] args)
      |                          ^~~~~~
a.cc:8:35: error: expected ',' or '...' before 'args'
    8 |         static void Main(string[] args)
      |                                   ^~~~
a.cc:38:6: error: expected ';' after class definition
   38 |     }
      |      ^
      |      ;
a.cc: In static member function 'static void Sample101::Program::Main(int*)':
a.cc:10:13: error: 'string' was not declared in this scope
   10 |             string[] str = Console.ReadLine().Split(' ');
      |             ^~~~~~
a.cc:10:20: error: expected primary-expression before ']' token
   10 |             string[] str = Console.ReadLine().Split(' ');
      |                    ^
a.cc:12:21: error: expected primary-expression before 'int'
   12 |             int N = int.Parse(str[0]);
      |                     ^~~
a.cc:13:21: error: expected primary-expression before 'int'
   13 |             int x = int.Parse(str[1]);
      |                     ^~~
a.cc:16:16: error: structured binding declaration cannot have type 'int'
   16 |             int[] ai = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray();
      |                ^~
a.cc:16:16: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:16:16: error: empty structured binding declaration
a.cc:16:19: error: expected initializer before 'ai'
   16 |             int[] ai = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray();
      |                   ^~
a.cc:21:13: error: 'Array' was not declared in this scope
   21 |             Array.Sort(ai);
      |             ^~~~~
a.cc:21:24: error: 'ai' was not declared in this scope; did you mean 'Main'?
   21 |             Array.Sort(ai);
      |                        ^~
      |                        Main
a.cc:36:13: error: 'Console' was not declared in this scope
   36 |             Console.WriteLine(result);
      |             ^~~~~~~
Language: C++

#include<iostream>
#include<algorithm>
#include<cmath>
#include<vector>
#include<string>
using namespace std;
int main()
{
  int n,x;
  cin>>n>>x;
  vector<int> a(n);
  for(int i=0;i<n;i++) cin>>a.at(i);

  sort(a.begin(),a.end());

  int cnt=0;
  int ans;
  if(x>sum) ans=n-1;
  else if(x==sum) ans=n;
  else
  {
  for(int i=0;i<n;i++)
  {
    if(x>=a.at(i))
    {
      cnt++;
      x-=a.at(i);
    }
    else break;
  }
    ans=cnt;
  }

  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:8: error: 'sum' was not declared in this scope
   18 |   if(x>sum) ans=n-1;
      |        ^~~
Language: C++

#include<iostream>
using namespace std;
int main(){
    int N,x,num=0;
    cin >> N >> x;
    int a[N];
    bool frag= false;
    for(int i=0;i<N;i++){
        cin >> a[i];
    }
    sort(a,a+N);
    for(int i=0;i<N;i++){
        if(a[i]>x){
            frag = true;
            break;
            
        }
        x -= a[i];
        num++;
    }
    if(x>0&&frag==false){
        num--;
        if(num<0){
            num = 0;
        }
    }
    cout << num << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   11 |     sort(a,a+N);
      |     ^~~~
      |     short
Language: C++

int main()
{
    int N, x, a[100] = {}, c = 0;
    scanf("%d %d", &N, &x);
    for (int i = 0; i < N; i++) {
        scanf("%d", &a[i]);
    }
    
    for (int i = 0; i < N - 1; i++) {
        for (int j = N - 1; j > i; j--) {
            if(a[j - 1] > a[j]) {
                int t = a[j];
                a[j] = a[j - 1];
                a[j - 1] = t;
            }
        }
    }
    
    for (int i = 0; i < N; i++) {
        if(a[i] <= x) {
            c++;
            x -= a[i];
            if(i == N - 1 && x > 0) {
                c--;
            }
        } else {
            break;
        }
    }
    
    printf("%d", c);
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:5: error: 'scanf' was not declared in this scope
    4 |     scanf("%d %d", &N, &x);
      |     ^~~~~
a.cc:31:5: error: 'printf' was not declared in this scope
   31 |     printf("%d", c);
      |     ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | int main()
Language: C++

N, x = map(int, input().split())
alist = list(map(int, input().split()))
alist.sort()

def counter(x, alist):
  count = 0
  while x > 0:
      if alist:
          tmp = alist.pop(0)
          x = x - tmp
          if x == 0:
              return count + 1
          elif x > 0:
              count += 1
          else:
              return count
      else:
          return count - 1
print(counter(x, alist))

Compiler output:
a.cc:1:1: error: 'N' does not name a type
    1 | N, x = map(int, input().split())
      | ^
Language: C++

#include<stdlib.h>

int asc(const void *a, const void *b) {
  return *(int *)a - *(int *)b;
}

int main() {
    int n, x;
    scanf("%d %d", &n, &x);
    int a[n];
    for(int i = 0; i < n; i++) {
        scanf("%d", &a[i]);
    }
    qsort(a, sizeof(a) / sizeof(int), sizeof(int), asc);
    int ans = 0;
    for(int i = 0; i < n; i++) {
        x -= a[i];
        if (x < 0) {
            break;
        } else {
            ans++;
        }
    }
    if (x > 0) {
        ans--;
    }
    printf("%d", ans);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: 'scanf' was not declared in this scope
    9 |     scanf("%d %d", &n, &x);
      |     ^~~~~
a.cc:27:5: error: 'printf' was not declared in this scope
   27 |     printf("%d", ans);
      |     ^~~~~~
a.cc:2:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
    1 | #include<stdlib.h>
  +++ |+#include <cstdio>
    2 |
Language: C++

#include<iostream>
#include <vector>
using namespace std;
int main(){
    int N,x,num=0;
    cin >> N >> x;
    int a[N];
    for(int i=0;i<N;i++){
        cin >> a[i];
    }
    sort(a,a+N);
    for(int i=0;i<N;i++){
        if(a[i]>x){
            break;
        }
        x -= a[i];
        num++;
    }
    if(x>0){
        num--;
        if(num<0){
            num = 0;
        }
    }
    cout << num << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   11 |     sort(a,a+N);
      |     ^~~~
      |     short
Language: C++

#include "bits/stdc++.h"
#define rep(i,a,n) for(int i=a;i<n;i++)
using namespace std;
int main(){
        int n,x,ans=0;
        cin>>n>>x;
        int a[n]={0};
        rep(i,0,n)cin>>a[i];
        sort(a,a+n);
        int i=0;
        while(x>=0){
                x-=a[++i];
                ans++;
        }
        (ans)?ans--:;
        (a[n-1])?cout<<ans<<endl:cout<<n-1<<endl;
        return 0;
}


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

#include "bits/stdc++.h"
#define rep(i,a,n) for(int i=a;i<n;i++)
using namespace std;
int main(){
        int n,x,ans=0;
        cin>>n>>x;
        int a[n]={0};
        rep(i,0,n)cin>>a[i];
        sort(a,a+n);
        int i=0;
        while(x>0){
                x-=a[++i];
                ans++;
        }
        (ans)?ans--:;
        (a[n-1])?cout<<ans<<endl:cout<<n-1<<endl;
        return 0;
}


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

#include "bits/stdc++.h"
#define rep(i,a,n) for(int i=a;i<n;i++)
using namespace std;
int main(){
        int n,x,ans=0;
        cin>>n>>x;
        int a[n]={0};
        rep(i,0,n)cin>>a[i];
        sort(a,a+n);
        int i=0;
        while(x>0){
                x-=a[++i];
                ans++;
        }
        (ans)?ans--;
        (a[n-1])?cout<<ans<<endl:cout<<n-1<<endl;
        return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:20: error: expected ':' before ';' token
   15 |         (ans)?ans--;
      |                    ^
      |                    :
a.cc:15:20: error: expected primary-expression before ';' token
Language: C++

#include <iostream>
#include <assert.h>
#include <stdlib.h>
#include <time.h>
#include <stdio.h>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <string>
#include <string.h>
#include <cmath>
#include <memory.h>
using namespace std;



int main() {
    int n, x, a[101], d[101];
    cin >> n >> x;
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
    }
    sort(a, a + n);
    int ans = 0;
    for (int i = 0; i < n; ++i) {
        if (x >= a[i]) {
            d[i] = a[i];
            x -= a[i];
        } else {
            d[i] = x;
            x = 0;
        }
        if (i == n - 1) {
            d[i] += x;
        }
        ans += d[i] == a[i];
    }
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:5: error: 'sort' was not declared in this scope; did you mean 'sqrt'?
   25 |     sort(a, a + n);
      |     ^~~~
      |     sqrt
Language: Java

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

public class main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        List<Integer> ls = new ArrayList<Integer>();
        int num = sc.nextInt();
        int cost = sc.nextInt();
        for(int i = 0; i < num; i++){
            ls.add(sc.nextInt());
        }
        ls.sort(Comparator.nullsFirst(Comparator.naturalOrder()));

        int sum = 0;
        int count = 0;
        for(int i = 0; i < num; i++){
            cost -= ls.get(i);
            count++;
            if(cost <= 0)
                break;
        }
        if(cost != 0)
            count--;
        System.out.println(count);
    }
}

Compiler output:
Main.java:6: error: class main is public, should be declared in a file named main.java
public class main {
       ^
1 error
Language: C++

#include <iostream>
using namespace std;

int main() {
    long N, x;

    cin >> N >> x;

    long *a = new long[N];

    for (long i=0; i<N; i++) { cin >> a[i]; }
    sort(a, a+N);
    long res = 0;
    for (long i=0; i<N; i++) {
        if (x <= 0) { break; }
        x -= a[i];
        res++;
    }
    if (x != 0) { res--; }

    cout << res << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   12 |     sort(a, a+N);
      |     ^~~~
      |     short
Language: C++

#include<bits/stdc++.h>

using namespace std;

int main(){
  long n,kazu;
  long tmp,goukei=0;
  cin >> n >> kazu;
  long a[100];
  for(int i=0;i!=n;i++){
    cin >> a[i];
  }
  for(i=0;i!=n;++i){
    for(j=i+1;j!=n;++j){
      if(a[i]>a[j]){
        tmp = a[i];
        a[i] = a[j];
        a[j] = tmp;
      }
    }
  }
  for(i=0;i!=n;++i){
    if(goukei+a[i]<=kazu){
      goukei=goukei+a[i];
    }
    else
      break;
  }
  cout << goukei << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:7: error: 'i' was not declared in this scope
   13 |   for(i=0;i!=n;++i){
      |       ^
a.cc:14:9: error: 'j' was not declared in this scope
   14 |     for(j=i+1;j!=n;++j){
      |         ^
a.cc:22:7: error: 'i' was not declared in this scope
   22 |   for(i=0;i!=n;++i){
      |       ^
Language: C++

#include <iostream>
#include <algorithm>
using namespace std;
int N, x;
int a[101];

int main()
{
    cin >> N >> x;

    for (int i = 0i; i < N; i++)
        cin >> a[i];

    sort(a, a+N);

    int ans = 0;

    for(int i = 0; i < N; i++){
        x -= a[i];
        if(x < 0)
            break;
        ans++;
    }
    if(x > 0)
        ans--;

    cout << ans <<'\n';
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:18: error: cannot convert '__complex__ int' to 'int' in initialization
   11 |     for (int i = 0i; i < N; i++)
      |                  ^~
Language: C++

#include <iostream>
#include <assert.h>
#include <stdlib.h>
#include <time.h>
#include <stdio.h>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <string>
#include <string.h>
#include <cmath>
#include <memory.h>
using namespace std;

int n, x, a[101], d[101];

int main() {
    cin >> n >> x;
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
    }
    sort(a, a + n);
    int ans = 0;
    for (int i = 0; i < n; ++i) {
        if (x >= a[i]) {
            d[i] = a[i];
            x -= a[i];
        } else {
            d[i] = x;
            x = 0;
        }
        if (i == n - 1) {
            d[i] += x;
        }
        ans += d[i] == a[i];
    }
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:5: error: 'sort' was not declared in this scope; did you mean 'sqrt'?
   24 |     sort(a, a + n);
      |     ^~~~
      |     sqrt
Language: C++

#include <iostream>
#include <vector>

using namespace std;

int main(int argc, char const *argv[]) {
    int N,x;
    cin >> N >> x;
    vector<int> a(N);
    for(int i=0;i<N;i++)cin >> a[i];
    sort(a.begin(),a.end());
    int sum = 0;
    for(int i=0;i<N;i++){
        sum += a[i];
        if(sum <= x)continue;
        else{
           cout << i << endl;
           return 0;
       }
    }
    sum -= a[N];
    if(x - sum == a[N])
        cout << N << endl;
    else
        cout << N-1 << endl;
    // for(int i=0;i<N;i++)cout << a[i] << " ";
    // cout << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:11:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   11 |     sort(a.begin(),a.end());
      |     ^~~~
      |     short
Language: C++

#include<iostream>

using namespace std;

const int MAX_N = 100;

int main(void) {
  int n, x;
  int a[MAX_N];

  cin >> n;
  cin >> x;
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }

  sort(a, a+n);
  int remain = x;
  int ans = 0;

  for (int i = 0; i < n; i++) {
    if (remain >= a[i]) {
      ans++;
      remain -= a[i];
    }
    else {
      remain = 0;
      break;
    }
  }

  if (remain > 0) {
    ans--;
  }

  cout << ans << endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   17 |   sort(a, a+n);
      |   ^~~~
      |   short
Language: C++


int main(){
    int n, x;
    std::cin >> n >> x;
    std::vector<int> a(n);
    for(int i = 0; i < n; i++){
        std::cin >> a[i];
    }
    
    std::sort(a.begin(), a.end());
    int ans = 0;
    long long sum = 0;
    for(int i = 0; i < n; i++){
        if(i < n - 1 && sum + a[i] + a[i + 1] <= x){
            ans++;
            sum += a[i];
        }else if(sum + a[i] == x){
            ans++;
            break;
        }else{
            break;
        }
    }
    
    std::cout << ans << std::endl;
    
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:4:10: error: 'cin' is not a member of 'std'
    4 |     std::cin >> n >> x;
      |          ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | 
a.cc:5:10: error: 'vector' is not a member of 'std'
    5 |     std::vector<int> a(n);
      |          ^~~~~~
a.cc:1:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
  +++ |+#include <vector>
    1 | 
a.cc:5:17: error: expected primary-expression before 'int'
    5 |     std::vector<int> a(n);
      |                 ^~~
a.cc:7:14: error: 'cin' is not a member of 'std'
    7 |         std::cin >> a[i];
      |              ^~~
a.cc:7:14: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:7:21: error: 'a' was not declared in this scope
    7 |         std::cin >> a[i];
      |                     ^
a.cc:10:10: error: 'sort' is not a member of 'std'
   10 |     std::sort(a.begin(), a.end());
      |          ^~~~
a.cc:10:15: error: 'a' was not declared in this scope
   10 |     std::sort(a.begin(), a.end());
      |               ^
a.cc:25:10: error: 'cout' is not a member of 'std'
   25 |     std::cout << ans << std::endl;
      |          ^~~~
a.cc:25:10: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:25:30: error: 'endl' is not a member of 'std'
   25 |     std::cout << ans << std::endl;
      |                              ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 |
Language: C++

#include "bits/stdc++.h"
#define rep(i,a,n) for(int i=a;i<n;i++)
using namespace std;
int main(){
        int n,x,ans=0;
        cin>>n>>x;
        int a[n]={0};
        rep(i,0,n)cin>>a[i];
        sort(a,a+n);
        int i=0;
        while(x>0){
                x-=a[++i];
                ans++;
        }
        ans--;
        (a[n-1])?cout<<ans<<endl;:cout<<n-1<<endl;
        return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:33: error: expected ':' before ';' token
   16 |         (a[n-1])?cout<<ans<<endl;:cout<<n-1<<endl;
      |                                 ^
      |                                 :
a.cc:16:33: error: expected primary-expression before ';' token
a.cc:16:34: error: expected primary-expression before ':' token
   16 |         (a[n-1])?cout<<ans<<endl;:cout<<n-1<<endl;
      |                                  ^
Language: C++

#include <iostream>
#include <vector>

using namespace std;

int main() {
  int N;
  long long x;
  vector <long long> v;

  cin >> N >> x;
  for (int i = 0; i < N; i++) {
    int num;
    cin >> num;
    v.push_back(num);
  }
  sort(v.begin(), v.end());

  // cout << "---------" << endl;
  int rest = x;
  int num = 0;
  for (auto it = v.begin(); it != v.end(); it++){
    // cout << "rest:" << rest << "a_i:" << *it << endl;
    if (rest >= *it) {
      rest -= *it;
      num++;
    }
    cout << *it << endl;
  }
  // あまったら一人犠牲になってもらう
  // cout << "num:" << num << "x:" << x << endl;
  if (rest > 0 && num == N) {
    // cout << "heru" << endl;
    num--;
  }
  cout << num << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   17 |   sort(v.begin(), v.end());
      |   ^~~~
      |   short
Language: C++

#include <iostream>
#include <vector>

using namespace std;

int main()
{
  int n, x;
  cin >> n >> x;
  vector<int> v;
  for (auto i = 0; i < n; i++) {
    int a;
    cin >> a;
    v.push_back(a);
  }
  sort(begin(v), end(v));
  int child = 0;
  for (auto i = 0; i < n; i++) {
    if (x < v[i]) break;
    x -= v[i];
    child++;
  }
  cout << child << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   16 |   sort(begin(v), end(v));
      |   ^~~~
      |   short
Language: C++

#include<iostream>

using namespace std;

const int MAX_N = 100;

void printA(int a[], int n) {
  for (int i = 0; i < n; i++) {
    cout << a[i] << endl;
  }
}

int main(void) {
  int n, x;
  int a[MAX_N];

  cin >> n;
  cin >> x;
  for (int i = 0; i < n; i++) {
    cin >> a[i];
  }

  sort(a, a+n);
  // printA(a, n);
  int remain = x;
  int ans = 0;

  for (int i = 0; i < n; i++) {
    if (remain >= a[i]) {
      ans++;
      remain -= a[i];
    }
    else {
      remain = 0;
      break;
    }
  }

  if (remain > 0) {
    ans--;
  }

  cout << ans << endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   23 |   sort(a, a+n);
      |   ^~~~
      |   short
Language: C++

#include <bits/stdc++.h>
#define roop(i,n) for(int i=0;i<n;i++)
using namespace std;
int n,x,a[100],count;
signed main(){
  cin>>n>>x;
  roop(i,n)cin>>a[i];
  sort(a,a+n);
  roop(i,n){
    if(x>a[i]){
      x-=a[i];
      count++;
    }
  }
  cout<<count<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:7: error: reference to 'count' is ambiguous
   12 |       count++;
      |       ^~~~~
In file included from /usr/include/c++/14/algorithm:86,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/pstl/glue_algorithm_defs.h:101:1: note: candidates are: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, typename std::iterator_traits<_II>::difference_type> std::count(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)'
  101 | count(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value);
      | ^~~~~
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:4025:5: note:                 'template<class _IIter, class _Tp> typename std::iterator_traits< <template-parameter-1-1> >::difference_type std::count(_IIter, _IIter, const _Tp&)'
 4025 |     count(_InputIterator __first, _InputIterator __last, const _Tp& __value)
      |     ^~~~~
a.cc:4:16: note:                 'int count'
    4 | int n,x,a[100],count;
      |                ^~~~~
a.cc:15:9: error: reference to 'count' is ambiguous
   15 |   cout<<count<<endl;
      |         ^~~~~
/usr/include/c++/14/pstl/glue_algorithm_defs.h:101:1: note: candidates are: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, typename std::iterator_traits<_II>::difference_type> std::count(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)'
  101 | count(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value);
      | ^~~~~
/usr/include/c++/14/bits/stl_algo.h:4025:5: note:                 'template<class _IIter, class _Tp> typename std::iterator_traits< <template-parameter-1-1> >::difference_type std::count(_IIter, _IIter, const _Tp&)'
 4025 |     count(_InputIterator __first, _InputIterator __last, const _Tp& __value)
      |     ^~~~~
a.cc:4:16: note:                 'int count'
    4 | int n,x,a[100],count;
      |                ^~~~~
Language: C++

#include <iostream>
#include <sstream>
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <vector>
#include <map>
#include <queue>
#include <stack>
#include <algorithm>
#include <utility>
#include <functional>
#include <cmath>

#define REP(i,x,y) for(int i=(x);i<(y);i++)
#define RREP(i,x,y) for(int i=(y)-1;i>=(x);i--)
#define all(x) (x).begin(),(x).end()
// #define int long long

using namespace std;

// conversion
inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;}
template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();}

#ifdef LOCAL
#define eprintf(...) fprintf(stderr, __VA_ARGS__)
#define dump(x)  cerr << #x << " = " << (x) << endl
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl
#else
#define eprintf(...) 42
#define dump(x) 42
#define debug(x) 42
#endif

typedef long long ll;

const int MAX_N = 100;
int N;
int x;
int A[MAX_N];

int solve() {
    int answer = 0;
    sort(all(A));
    REP(i,0,N) {
        x -= a[i];
        if (x == 0) return answer+1;
        else if (x < 0) return answer;
        answer++;
    }
    return answer;
}

signed main() {
    // to shorten execution time for iostream
    cin.tie(0);
    ios::sync_with_stdio(false);

    cin >> N >> x;
    REP(i,0,N) cin >> A[i];
    cout << solve() << "\n";
    return 0;
}



Compiler output:
a.cc: In function 'int solve()':
a.cc:17:20: error: request for member 'begin' in 'A', which is of non-class type 'int [100]'
   17 | #define all(x) (x).begin(),(x).end()
      |                    ^~~~~
a.cc:45:10: note: in expansion of macro 'all'
   45 |     sort(all(A));
      |          ^~~
a.cc:17:32: error: request for member 'end' in 'A', which is of non-class type 'int [100]'
   17 | #define all(x) (x).begin(),(x).end()
      |                                ^~~
a.cc:45:10: note: in expansion of macro 'all'
   45 |     sort(all(A));
      |          ^~~
a.cc:47:14: error: 'a' was not declared in this scope
   47 |         x -= a[i];
      |              ^
Language: C++

main()
{ 
  #ifdef CP
    freopen("/home/tarun/Desktop/input.txt", "r", stdin);
//    freopen("/home/tarun/Desktop/output.txt", "w", stdout);
  #endif
  //cerr << fixed << setprecision(18);
  sync;
  clock_t clk = clock();
  cerr << "I will return...\n";
  
  int n; cin >> n;
  int x; cin >> x;
  int a[n];
  for(int&i : a) cin >> i;
  sort(a, a + n);
  int cnt = 0;
  int i = 0;
  while(i < n && x > 0) {
    x -= a[i];
    i++;
    cnt++;
  }
  //db(x);
  if(x) cout << cnt - 1 << '\n';
  else cout << cnt << '\n';


  cerr << "...don't you ever hang your head.\n";
  cerr << "Time (in ms): " << double(clock() - clk) * 1000.0 / cps << '\n';
}

Compiler output:
a.cc:1:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    1 | main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:8:3: error: 'sync' was not declared in this scope
    8 |   sync;
      |   ^~~~
a.cc:9:3: error: 'clock_t' was not declared in this scope
    9 |   clock_t clk = clock();
      |   ^~~~~~~
a.cc:1:1: note: 'clock_t' is defined in header '<ctime>'; this is probably fixable by adding '#include <ctime>'
  +++ |+#include <ctime>
    1 | main()
a.cc:10:3: error: 'cerr' was not declared in this scope
   10 |   cerr << "I will return...\n";
      |   ^~~~
a.cc:12:10: error: 'cin' was not declared in this scope
   12 |   int n; cin >> n;
      |          ^~~
a.cc:16:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   16 |   sort(a, a + n);
      |   ^~~~
      |   short
a.cc:25:9: error: 'cout' was not declared in this scope
   25 |   if(x) cout << cnt - 1 << '\n';
      |         ^~~~
a.cc:26:8: error: 'cout' was not declared in this scope
   26 |   else cout << cnt << '\n';
      |        ^~~~
a.cc:30:38: error: 'clock' was not declared in this scope
   30 |   cerr << "Time (in ms): " << double(clock() - clk) * 1000.0 / cps << '\n';
      |                                      ^~~~~
a.cc:30:38: note: 'clock' is defined in header '<ctime>'; this is probably fixable by adding '#include <ctime>'
a.cc:30:48: error: 'clk' was not declared in this scope
   30 |   cerr << "Time (in ms): " << double(clock() - clk) * 1000.0 / cps << '\n';
      |                                                ^~~
a.cc:30:64: error: 'cps' was not declared in this scope
   30 |   cerr << "Time (in ms): " << double(clock() - clk) * 1000.0 / cps << '\n';
      |                                                                ^~~
Language: C++

#include <bits/stdc++.h>
#define int long long
#define roop(i,n) for(int i=0;i<n;i++)
using namespace std;
int n,x,a[100],count;
signed main(){
  cin>>n>>x;
  roop(i,n)cin>>a[i];
  sort(a,a+n);
  roop(i,n){
    if(x>a[i]){
      x-=a[i];
      count++;
    }
  }
  cout<<count<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:7: error: reference to 'count' is ambiguous
   13 |       count++;
      |       ^~~~~
In file included from /usr/include/c++/14/algorithm:86,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/pstl/glue_algorithm_defs.h:101:1: note: candidates are: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, typename std::iterator_traits<_II>::difference_type> std::count(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)'
  101 | count(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value);
      | ^~~~~
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:4025:5: note:                 'template<class _IIter, class _Tp> typename std::iterator_traits< <template-parameter-1-1> >::difference_type std::count(_IIter, _IIter, const _Tp&)'
 4025 |     count(_InputIterator __first, _InputIterator __last, const _Tp& __value)
      |     ^~~~~
a.cc:5:16: note:                 'long long int count'
    5 | int n,x,a[100],count;
      |                ^~~~~
a.cc:16:9: error: reference to 'count' is ambiguous
   16 |   cout<<count<<endl;
      |         ^~~~~
/usr/include/c++/14/pstl/glue_algorithm_defs.h:101:1: note: candidates are: 'template<class _ExecutionPolicy, class _ForwardIterator, class _Tp> __pstl::__internal::__enable_if_execution_policy<_ExecutionPolicy, typename std::iterator_traits<_II>::difference_type> std::count(_ExecutionPolicy&&, _ForwardIterator, _ForwardIterator, const _Tp&)'
  101 | count(_ExecutionPolicy&& __exec, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value);
      | ^~~~~
/usr/include/c++/14/bits/stl_algo.h:4025:5: note:                 'template<class _IIter, class _Tp> typename std::iterator_traits< <template-parameter-1-1> >::difference_type std::count(_IIter, _IIter, const _Tp&)'
 4025 |     count(_InputIterator __first, _InputIterator __last, const _Tp& __value)
      |     ^~~~~
a.cc:5:16: note:                 'long long int count'
    5 | int n,x,a[100],count;
      |                ^~~~~
Language: C++

#include "bits/stdc++.h"
#define rep(i,a,n) for(int i=a;i<n;i++)
using namespace std;
int main(){
        int n,x,ans=0;
        cin>>n>>x;
        int a[n]={0};
        rep(i,0,n)cin>>a[i];
        sort(a,a+n);
        int i=0;
        while(x>0){
                x-=a[++i];
                ans++;
        }
        ans--;
        cout<<ans<<endl;
        return 0;
}
~                                                                   
~                

Compiler output:
a.cc:20:1: error: expected class-name before '~' token
   20 | ~
      | ^
Language: C++

#include <iostream>
#include <vector>

using namespace std;


int main() {
    int N, X; cin >> N >> X;
    vector<int> A(N); for(int &a:A) cin >> a;
    sort(A.begin(), A.end());
    
    int ans = 0;
    for(int i=0; i<N; i++){
        if(X>=A[i]){
            ans++;
            X -= A[i];
        } else break;
    }
    
    if(X>0 && ans) cout << ans-1 << endl;
    else cout << ans << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   10 |     sort(A.begin(), A.end());
      |     ^~~~
      |     short