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

#Include <iostream>
using namespace std;

int main()
{
  int num1;
  int num2;
  int num3;
  int num4;
  int num5;
  cin>>num1>>num2>>num3>>num4>>num5;
  if (num1 == 0)
  {
    cout>>"1";
  }
  else if (num2 == 0)
  {
    cout>>"2";
  }
  else if (num3 == 0)
  {
    cout>>"3";
  }
  else if (num4 == 0)
  {
    cout>>"4";
  }
  else if (num5 == 0)
  {
    cout>>"5";
  }
  return 0;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #Include; did you mean #include?
    1 | #Include <iostream>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:11:3: error: 'cin' was not declared in this scope
   11 |   cin>>num1>>num2>>num3>>num4>>num5;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #Include <iostream>
a.cc:14:5: error: 'cout' was not declared in this scope
   14 |     cout>>"1";
      |     ^~~~
a.cc:14:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:18:5: error: 'cout' was not declared in this scope
   18 |     cout>>"2";
      |     ^~~~
a.cc:18:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:22:5: error: 'cout' was not declared in this scope
   22 |     cout>>"3";
      |     ^~~~
a.cc:22:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:26:5: error: 'cout' was not declared in this scope
   26 |     cout>>"4";
      |     ^~~~
a.cc:26:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:30:5: error: 'cout' was not declared in this scope
   30 |     cout>>"5";
      |     ^~~~
a.cc:30:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

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

int main()
{
  int x;
  for (int i=1;i<=5;++i)
  {
    cin>>x;
    if (x==0) 
    {cout<<i;break;}
  }
  return 0;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inclue; did you mean #include?
    1 | #inclue<bits/stdc++.h>
      |  ^~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:9:5: error: 'cin' was not declared in this scope
    9 |     cin>>x;
      |     ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #inclue<bits/stdc++.h>
a.cc:11:6: error: 'cout' was not declared in this scope
   11 |     {cout<<i;break;}
      |      ^~~~
a.cc:11:6: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: Java

import java.util.*;
public final class FiveVariables{
public static void main(String[] args){
  Scanner sc = new Scanner(System.in);
  int a[] = new int[5];
  for(int i=0;i<5;i++)
    a[i]= sc.nextInt();
  for(int i=0;i<5;i++)
  {
     if(a[i]==0)
     {
      System.out.println(i+1);
       break;
     }
  }
}
}

Compiler output:
Main.java:2: error: class FiveVariables is public, should be declared in a file named FiveVariables.java
public final class FiveVariables{
             ^
1 error
Language: Java

import java.util.*;
public final class A{
public static void main(String[] args){
  Scanner sc = new Scanner(System.in);
  int a[] = new int[5];
  for(int i=0;i<5;i++)
    a[i]= sc.nextInt();
  for(int i=0;i<5;i++)
  {
     if(a[i]==0)
     {
      System.out.println(i+1);
       break;
     }
  }
}
}

Compiler output:
Main.java:2: error: class A is public, should be declared in a file named A.java
public final class A{
             ^
1 error
Language: Java

import java.util.*;
public final class A{
public static void main(String[] args){
  Scanner sc = new Scanner(System.in);
  int a[] = new int[5];
  for(int i=0;i<5;i++)
    a[i]= sc.nextInt();
  for(int i=0;i<n;i++)
  {
     if(a[i]==0)
     {
      System.out.println(i+1);
       break;
     }
  }
}
}

Compiler output:
Main.java:2: error: class A is public, should be declared in a file named A.java
public final class A{
             ^
Main.java:8: error: cannot find symbol
  for(int i=0;i<n;i++)
                ^
  symbol:   variable n
  location: class A
2 errors
Language: Java

import java.util.*;
public final class A{
public static void main(String[] args){
 Scanner sc = new Scanner(System.in);
 int a[] = new int[5];
  for(int i=0;i<n;i++)
    a[i] = sc.nextInt();
  for(int i=0;i<n;i++)
  {
   if(a[i]=='0'){
     System.out.println(i+1);
     break;
   }
  }
}
}  
  

Compiler output:
Main.java:2: error: class A is public, should be declared in a file named A.java
public final class A{
             ^
Main.java:6: error: cannot find symbol
  for(int i=0;i<n;i++)
                ^
  symbol:   variable n
  location: class A
Main.java:8: error: cannot find symbol
  for(int i=0;i<n;i++)
                ^
  symbol:   variable n
  location: class A
3 errors
Language: C

#includ <stdio.h>

int main(void)
{
    if(x1 = 0){
        printf("x1");
        return 0;
    }else if(x2 = 0){
        printf("x2");
        return 0;
    }else if(x3=0){
        printf("x3");
        return 0;
    }else if(x4=0){
        printf("x4");
        return 0;
    }else if(x5){
        printf("x5");
        return 0;
    }
    return 0;
    }
    return 0;
}

Compiler output:
main.c:1:2: error: invalid preprocessing directive #includ; did you mean #include?
    1 | #includ <stdio.h>
      |  ^~~~~~
      |  include
main.c: In function 'main':
main.c:5:8: error: 'x1' undeclared (first use in this function)
    5 |     if(x1 = 0){
      |        ^~
main.c:5:8: note: each undeclared identifier is reported only once for each function it appears in
main.c:6:9: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    6 |         printf("x1");
      |         ^~~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'printf'
  +++ |+#include <stdio.h>
    1 | #includ <stdio.h>
main.c:6:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
    6 |         printf("x1");
      |         ^~~~~~
main.c:6:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:8:14: error: 'x2' undeclared (first use in this function)
    8 |     }else if(x2 = 0){
      |              ^~
main.c:9:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
    9 |         printf("x2");
      |         ^~~~~~
main.c:9:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:11:14: error: 'x3' undeclared (first use in this function)
   11 |     }else if(x3=0){
      |              ^~
main.c:12:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   12 |         printf("x3");
      |         ^~~~~~
main.c:12:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:14:14: error: 'x4' undeclared (first use in this function)
   14 |     }else if(x4=0){
      |              ^~
main.c:15:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   15 |         printf("x4");
      |         ^~~~~~
main.c:15:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:17:14: error: 'x5' undeclared (first use in this function)
   17 |     }else if(x5){
      |              ^~
main.c:18:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   18 |         printf("x5");
      |         ^~~~~~
main.c:18:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c: At top level:
main.c:23:5: error: expected identifier or '(' before 'return'
   23 |     return 0;
      |     ^~~~~~
main.c:24:1: error: expected identifier or '(' before '}' token
   24 | }
      | ^
Language: C++

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

int main(){
  
  vector<int> data(4);

  for(int i = 0; i < 5; i++){
    cin >> data.at(i);

    if(data.at(i) == 0){
      cout << i << endl;
      return ;
    }
  }

}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:7: error: return-statement with no value, in function returning 'int' [-fpermissive]
   13 |       return ;
      |       ^~~~~~
Language: C

#include <iostream>
#include <cmath>
#include <vector>
#include <string>
#include <algorithm>
#include <utility>

using namespace std;
int main()
{
  int x[5],count = 0;
  for(int i = 0; i < 5; i++)
  {
    cin >> x[i];
  }
  for (int j = 0; j < 5;j++)
  {
    count++;
    if(x[j] == 0)
    {
      cout << count << endl;
    }
  }
return 0;
}

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


import java.io.*;
import java.util.*;

/**
 * @author Tran Anh Tai
 * @template for CP codes
 */
public class ProbA {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        Task solver = new Task();
        solver.solve(in, out);
        out.close();
    }
    // main solver
    static class Task{
        public void solve(InputReader in, PrintWriter out) {
            int t = in.nextInt();
            for (int i = 0; i < t; i++) {
                int[] a = new int[5];
                int r = -1;
                for (int j  = 0; j < 5; j++){
                    a[j] = in.nextInt();
                    if (a[j] == 0){
                        r = j + 1;
                    }
                }
                out.println(r);
            }
        }
    }
    // fast input reader class;
    static class InputReader {
        BufferedReader br;
        StringTokenizer st;

        public InputReader(InputStream stream) {
            br = new BufferedReader(new InputStreamReader(stream));
        }

        public String nextToken() {
            while (st == null || !st.hasMoreTokens()) {
                String line = null;
                try {
                    line = br.readLine();
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
                if (line == null) {
                    return null;
                }
                st = new StringTokenizer(line);
            }
            return st.nextToken();
        }

        public int nextInt() {
            return Integer.parseInt(nextToken());
        }
        public long nextLong(){
            return Long.parseLong(nextToken());
        }
    }
}

Compiler output:
Main.java:9: error: class ProbA is public, should be declared in a file named ProbA.java
public class ProbA {
       ^
1 error
Language: C++

#include<iostream>

int main(){
	int a[5];
  	int ans = 0;
  	for (int i = 0; i<5;i++){
    	cin >> x[i];
      	if (x[i] == 0) ans = i + 1;
    }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |         cin >> x[i];
      |         ^~~
      |         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:7:16: error: 'x' was not declared in this scope
    7 |         cin >> x[i];
      |                ^
a.cc:10:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |   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:10:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   10 |   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: Java

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int cnt = 1;
        while (sc.hasNext()) {
            int x = sc.nextInt();
            if (x == 0) {
                System.out.println(cnt);
                break;
            }
            cnt++;
        }
        sc.close();
    }
}


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

int main(argc,argv*[]){
  for (int i=1;i < argc-1:i++){
  	 if (argv[i] == 0){
      	 print(i);
         break;
     }
  }
  return 1;
}

Compiler output:
a.cc:1:5: error: cannot declare '::main' to be a global variable
    1 | int main(argc,argv*[]){
      |     ^~~~
a.cc:1:10: error: 'argc' was not declared in this scope
    1 | int main(argc,argv*[]){
      |          ^~~~
a.cc:1:15: error: 'argv' was not declared in this scope
    1 | int main(argc,argv*[]){
      |               ^~~~
a.cc: In lambda function:
a.cc:1:22: error: expected '{' before ')' token
    1 | int main(argc,argv*[]){
      |                      ^
a.cc: At global scope:
a.cc:1:22: error: expression list treated as compound expression in initializer [-fpermissive]
Language: C++

#include <bits/stdc++.h>
#define endl '\n'
#define _ ios::sync_with_stdio(false);cin.tie(0);

using namespace std;

int main() {
  int n;
  for (int i=0;i< 5;i++){  
    cin >> n;  
    if n ==0:
        cout << n+1 << endl;
  }
  
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:8: error: expected '(' before 'n'
   11 |     if n ==0:
      |        ^
      |        (
Language: Java

import java.util.Scanner;

public class problemA {
    private static final Scanner in = new Scanner(System.in);

    public static void main(String[] args) {
        byte ans = 0;
        for (byte i = 0; i < 5; ++i) {
            int x = in.nextInt();
            if (x == 0) {
                ans = (byte) (i + 1);
            }
        }
        System.out.println(ans);
    }
}


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

///...................SUBHASHIS MOLLICK...................///
///.....DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING....///
///.............ISLAMIC UNIVERSITY,BANGLADESH.............///
///....................SESSION-(14-15)....................///
#include<bits/stdc++.h>
using namespace std;
#define sf(a) scanf("%d",&a)
#define sf2(a,b) scanf("%d %d",&a,&b)
#define sf3(a,b,c) scanf("%d %d %d",&a,&b,&c)
#define pf(a) printf("%d",a)
#define pf2(a,b) printf("%d %d",a,b)
#define pf3(a,b,c) printf("%d %d %d",a,b,c)
#define sfl(a) scanf("%lld",&a)
#define sfl2(a,b) scanf("%lld %lld",&a,&b)
#define sfl3(a,b,c) scanf("%lld %lld %lld",&a,&b,&c)
#define pfl(a) printf("%lld",a)
#define pfl2(a,b) printf("%lld %lld",a,b)
#define pfl3(a,b,c) printf("%lld %lld %lld",a,b,c)
#define nl printf("\n")
#define   timesave              ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define ll long long
#define pb push_back
#define MPI map<int,int>mp;
#define fr(i,n) for(i=0;i<n;i++)
#define fr1(i,n) for(i=1;i<=n;i++)
#define frl(i,a,b) for(i=a;i<=b;i++)
#define tz 100000
#define clr0(a) memset(a,0,sizeof(a))
#define clr1(a) memset(a,-1,sizeof(a))
/*primes in range 1 - n
1 - 100(1e2) -> 25 pimes
1 - 1000(1e3) -> 168 primes
1 - 10000(1e4) -> 1229 primes
1 - 100000(1e5) -> 9592 primes
1 - 1000000(1e6) -> 78498 primes
1 - 10000000(1e7) -> 664579 primes
large primes ->
104729 1299709 15485863 179424673 2147483647 32416190071 112272535095293 48112959837082048697
*/
//freopen("Input.txt","r",stdin);
//freopen("Output.txt","w",stdout);
//const int fx[]={+1,-1,+0,+0};
//const int fy[]={+0,+0,+1,-1};
//const int fx[]={+0,+0,+1,-1,-1,+1,-1,+1};   // Kings Move
//const int fy[]={-1,+1,+0,+0,+1,+1,-1,-1};  // Kings Move
//const int fx[]={-2, -2, -1, -1,  1,  1,  2,  2};  // Knights Move
//const int fy[]={-1,  1, -2,  2, -2,  2, -1,  1}; // Knights Move
main()
{
    timesave;
    int n=5,i,ar[10],anss;
    for(i=1;i<=n;i++)
    {
        cin>>a;
        if(a==0)
        {
            ans=i;
        }
    }
    cout<<ans<<endl;
}




Compiler output:
a.cc:48:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   48 | main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:54:14: error: 'a' was not declared in this scope; did you mean 'ar'?
   54 |         cin>>a;
      |              ^
      |              ar
a.cc:57:13: error: 'ans' was not declared in this scope; did you mean 'anss'?
   57 |             ans=i;
      |             ^~~
      |             anss
a.cc:60:11: error: 'ans' was not declared in this scope; did you mean 'anss'?
   60 |     cout<<ans<<endl;
      |           ^~~
      |           anss
Language: C++

#include <iostream>

using namespace std;

int main(){
  int ans;
  for(int i=1; i<=5; ++i){
    {
      int u;
      cin >> u;
      if (!u) ans = i;
    }
   cout << ans;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: C++

#include <iostream>

using namespace std;

int main()
{
  long int arr[5];
  
  for(long int i=0;i<5;i++)
  {
   cin>>arr[i];
   
  }
  if (arr[0] == 0)
4   
        {
         cout<<"1"; 
        }
    if (arr[1] == 0)
        
        {
         cout<<"2"; 
        }
      if (arr[3] == 0)
          
        {
         cout<<"3"; 
        }
        if (arr[4] == 0)
          
        {
         cout<<"4"; 
        }
          else 
          {
            cout<<"5";
          }
5 
  
  
 return 0; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:2: error: expected ';' before '{' token
   15 | 4
      |  ^
      |  ;
   16 |         {
      |         ~
a.cc:38:2: error: expected ';' before 'return'
   38 | 5
      |  ^
      |  ;
......
   41 |  return 0;
      |  ~~~~~~
Language: C++

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

int main () {
  vector<int> vec(5);
  for (int i = 0; i < 5; i++) {
    cin >> vec.at(i);
  }
  
  if (vec.at(0) == 0) {
    cout << 1 << endl;
  }  
  
  else if (vec.at(1) == 0) {
    cout << 2 << endl;
  }
  
  else if (vec.at(2) == 0) {
    cout << 3 << endl;
  }
  
  else if (vec.at(3) == 0) {
    cout << 4 << endl;
  }
  
  else if (vec.at(4) == 0) {
    cout << 5 << endl;
  }
}

  

Compiler output:
a.cc:1:10: fatal error: bits/stdc.h: No such file or directory
    1 | #include <bits/stdc.h>
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      	
       
      　//配列の初期化
        int result[] = new int[i];
       //ループカウンタの初期化
        int i = 0;
        //繰り返しで入力を配列に格納する
        for (i = 1; i < 6; i++) {
            retult[i];
        }
       //0が入力された配列を表示する
        System.out.print(result[i] == 0);
        
      }
      
  

Compiler output:
Main.java:7: error: illegal character: '\u3000'
      ?//??????
      ^
Main.java:13: error: not a statement
            retult[i];
                  ^
Main.java:18: error: reached end of file while parsing
      }
       ^
3 errors
Language: C++


using namespace std;

int main(){
  // Declare varialbes
  int x1, x2, x3, x4, x5;
  // Define variables
  cin >> x1 >> x2 >> x3 >> x4 >> x5 >> endl;
  vector<int> inpt {x1,x2,x3,x4,x5}
  
  int sum_of_vec = accumulate(inpt.begin(), inpt.end(), 0)
  
  switch(sum_of_vec){
    case (2+3+4+5):
      return 1;
      break;
    case (1+3+4+5):
      return 2;
      break;
    case (1+2+4+5):
      return 3;
      break;
    case (1+2+3+5):
      return 4;
      break;
    case (1+2+3+4):
      return 5;
      break;  
  }
}



Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'cin' was not declared in this scope
    8 |   cin >> x1 >> x2 >> x3 >> x4 >> x5 >> endl;
      |   ^~~
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:8:40: error: 'endl' was not declared in this scope
    8 |   cin >> x1 >> x2 >> x3 >> x4 >> x5 >> endl;
      |                                        ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | 
a.cc:9:3: error: 'vector' was not declared in this scope
    9 |   vector<int> inpt {x1,x2,x3,x4,x5}
      |   ^~~~~~
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:9:10: error: expected primary-expression before 'int'
    9 |   vector<int> inpt {x1,x2,x3,x4,x5}
      |          ^~~
a.cc:11:31: error: 'inpt' was not declared in this scope; did you mean 'int'?
   11 |   int sum_of_vec = accumulate(inpt.begin(), inpt.end(), 0)
      |                               ^~~~
      |                               int
a.cc:11:20: error: 'accumulate' was not declared in this scope
   11 |   int sum_of_vec = accumulate(inpt.begin(), inpt.end(), 0)
      |                    ^~~~~~~~~~
Language: C++

#include iostream>
using namespace std;

int x[5];

int main(){
  cin >> x[0] >> x[1] >> x[2] >> x[3] >> x[4];
  if(x[0] == 0) cout << "1";
  if(x[1] == 0) cout << "2";
  if(x[2] == 0) cout << "3";
  if(x[3] == 0) cout << "4";
  if(x[4] == 0) cout << "5";
}

Compiler output:
a.cc:1:10: error: #include expects "FILENAME" or <FILENAME>
    1 | #include iostream>
      |          ^~~~~~~~
a.cc: In function 'int main()':
a.cc:7:3: error: 'cin' was not declared in this scope
    7 |   cin >> x[0] >> x[1] >> x[2] >> x[3] >> x[4];
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #include iostream>
a.cc:8:17: error: 'cout' was not declared in this scope
    8 |   if(x[0] == 0) cout << "1";
      |                 ^~~~
a.cc:8:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:9:17: error: 'cout' was not declared in this scope
    9 |   if(x[1] == 0) cout << "2";
      |                 ^~~~
a.cc:9:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:10:17: error: 'cout' was not declared in this scope
   10 |   if(x[2] == 0) cout << "3";
      |                 ^~~~
a.cc:10:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:11:17: error: 'cout' was not declared in this scope
   11 |   if(x[3] == 0) cout << "4";
      |                 ^~~~
a.cc:11:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:12:17: error: 'cout' was not declared in this scope
   12 |   if(x[4] == 0) cout << "5";
      |                 ^~~~
a.cc:12:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: Java

import java.util.*;

public class Test {
public static void main(String[] args) {
    Scanner scan = new Scanner(System.in);
    int[] x = new int[5];
    int ans = 0;
    for(int i=0;i<5;i++) {
        x[i] = scan.nextInt();
        if(x[i] == 0) {
            ans = i + 1;
        }
    } 

    System.out.println(ans);
    scan.close();

}

};


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

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

int main() {
  int a = 0;
  int b = 1;
  while(b != 0){
    a = a + 1;
    cin >> b;
  }
  cout << a;
}

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

using namespace std;
typedef long long ll;

int main(){
    int n = 5;
    for(int i=0;i<5;i++){
        int el;
        cin>>el;
        if(el == 0){
            cout<<i+1<<"\n";
        }
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: 'cin' was not declared in this scope
    8 |         cin>>el;
      |         ^~~
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:10:13: error: 'cout' was not declared in this scope
   10 |             cout<<i+1<<"\n";
      |             ^~~~
a.cc:10:13: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include<iostream>
int main()
{
  int x[5];
  int ans = 0;
  for(int i = 0 ; i< 5;i++)
  {
    cin >> x[i];
    if(x[i]==0)
      ans = (i+1);
  }
  cout << ans << endl;
}
      

Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    8 |     cin >> x[i];
      |     ^~~
      |     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:12:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |   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:12:18: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   12 |   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<bits/stdc++.h>
using namespace std;
using ll = long long;

int main()
{ 
  vector<ll> v(5);
  for(int i=0; i<n; i++) cin >> v[i];
  for(int i=0; i<n; i++) if(v[i]==0) {
    cout<<i+1<<endl; return 0;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: 'n' was not declared in this scope
    8 |   for(int i=0; i<n; i++) cin >> v[i];
      |                  ^
a.cc:9:18: error: 'n' was not declared in this scope
    9 |   for(int i=0; i<n; i++) if(v[i]==0) {
      |                  ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define pb push_back
#define mod 1000000007
#define bs binary_search
#define pi 3.1415926535
#define pob pop_back
const ll MAX=INT_MAX;
const ll MIN=INT_MIN;
#define loop(i,s,n) for(ll i=s;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define memo(a,b) memset(a,b,sizeof(a))
#define loopr(i,s,n) for(ll i=s;i>=n;i--)
#define I first
#define II second
#define mp make_pair
#define mt make_tuple
//for(int x:v ){cout<<x;}
int main()
{	ios::sync_with_stdio(0);
/*freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
*/
cin.tie(NULL);cout.tie(NULL);
    ll i=1;
	while(cin>>n){
      if(n==0)
      {
        cout<<i<<endl;
        break;
      }
      i++;
      
    }
 
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:28:20: error: 'n' was not declared in this scope
   28 |         while(cin>>n){
      |                    ^
Language: C++

#include <iostream>
using namespace std
int main()
{
	int x[] = {1,2,3,4,5}

	cin >> x[1] >> x[2] >> x[3] >> x[4] >> x[5];
	for (int i = 1; i < 6; ++i)
	{
		if(x[i]==0){
			printf("%d\n",i );
			break;
		}
	}
}

Compiler output:
a.cc:2:20: error: expected ';' before 'int'
    2 | using namespace std
      |                    ^
      |                    ;
    3 | int main()
      | ~~~                 
a.cc: In function 'int main()':
a.cc:7:9: error: expected ',' or ';' before 'cin'
    7 |         cin >> x[1] >> x[2] >> x[3] >> x[4] >> x[5];
      |         ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(0);cin.tie(NULL)
#define trace(x)  cerr << #x << ": " << x << endl;
typedef long long ll;
typedef long double ld;
ll fexp(ll a, ll b, ll p){ll ans = 1;while(b){if(b&1) ans = ans*a%p; b/=2;a=a*a%p;}return ans;}
const ll mod=1000000007;
const int N=1e5+5;
int main()
{
	fast;ll t;t=5;ll ans;
	while(t--)
	{
		cin>>x;if(x==0)ans=5-t;

	}
	cout<<ans;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:22: error: 'x' was not declared in this scope
   15 |                 cin>>x;if(x==0)ans=5-t;
      |                      ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;




void solve(){
	
int ans ;
int a[5];
for(int i=0;i<n;i++){
  cin >> a[i];
  if(a[i] == 0) ans = i+1;
}
cout << ans;
}

int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  //f();
  //int t;cin>>t;while(t--)
  solve();
  return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:12:15: error: 'n' was not declared in this scope
   12 | for(int i=0;i<n;i++){
      |               ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;




void solve(){
	
int ans ;
int a[5];
for(int i=0;i<5;i++)cin >> a[i],if(a[i] == 0) ans = i+1;
cout << ans;
}

int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  //f();
  //int t;cin>>t;while(t--)
  solve();
  return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:12:33: error: expected primary-expression before 'if'
   12 | for(int i=0;i<5;i++)cin >> a[i],if(a[i] == 0) ans = i+1;
      |                                 ^~
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;




void solve(){
	
int ans ;
int a[5];
for(int i=0;i<n;i++)cin >> a[i],if(a[i] == 0) ans = i+1;
cout << ans;
}

int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  //f();
  //int t;cin>>t;while(t--)
  solve();
  return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:12:15: error: 'n' was not declared in this scope
   12 | for(int i=0;i<n;i++)cin >> a[i],if(a[i] == 0) ans = i+1;
      |               ^
a.cc:12:33: error: expected primary-expression before 'if'
   12 | for(int i=0;i<n;i++)cin >> a[i],if(a[i] == 0) ans = i+1;
      |                                 ^~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define in ({int x=0;int c=getchar(),n=0;for(;!isdigit(c);c=getchar()) n=(c=='-');for(;isdigit(c);c=getchar()) x=x*10+c-'0';n?-x:x;})
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rnd(int l,int r){return l+rng()%(r-l+1);}
#define fasty ios_base::sync_with_stdio(0),cin.tie(0);
#define forinc(a,b,c) for(int a=b,_c=c;a<=_c;++a)
#define fordec(a,b,c) for(int a=b,_c=c;a>=_c;--a)
#define forv(a,b) for(auto&a:b)
#define fi first
#define se second
#define pb push_back
#define ii pair<int,int>
#define mt make_tuple
#define all(a) a.begin(),a.end()
#define reset(f, x) memset(f, x, sizeof(f))
#define bit(x,i) ((x>>(i-1))&1)
#define on(x,i) (x|(1ll<<(i-1)))
#define off(x,i) (x&~(1<<(i-1)))
#define gg exit(0);

#ifdef DEBUG
main(){
    #define task "TASK"
    if(fopen(task".inp","r")){
        freopen(task".inp","r",stdin);
        //freopen(task".out","w",stdout);
    }
    forinc(i,1,5) if(!in) return cout<<i,0;
}
#endif


Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: Java

import java.util.*;
public class Mian {
  public static void main(String[] args) {
    Scanner input = new Scanner(System.in);
    int i;
    i = 0;
    for (int j = 1; j <= 5; j++) {
      if (input.nextInt() == 0) i = j;
    }
    System.out.println(i);
  }
}

Compiler output:
Main.java:2: error: class Mian is public, should be declared in a file named Mian.java
public class Mian {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main( ){
  	int arr[6], flag = -1;
  	for(int i = 1; i<= 5; i++){
    	cin >> arr[i]];
      	if(arr[i] == 0)
          flag = i;
    }
  cout << flag << '\n';
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:22: error: expected ';' before ']' token
    6 |         cin >> arr[i]];
      |                      ^
      |                      ;
Language: Java

import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Stack;

/*
 * @author Tanzim Ibn Patowary
 * Created  May 29, 2020 9:22:05 PM
 */
public class Solution {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		for (int i = 0; i < 5; i++) {
			int x = in.nextInt();
			if (x==0) {
				System.out.println(i+1);
				break;
			}
		}
	}
}

Compiler output:
Main.java:12: error: class Solution is public, should be declared in a file named Solution.java
public class Solution {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
uisng namespace std;
int main()
{
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int a[5],i,j;
  for(i=0;i<5;i++)
  {
    cin>>a[i];
    if(a[i]==0)
      j=i+1;
  }
  cout<<j<<endl;
  return 0;
}

Compiler output:
a.cc:2:1: error: 'uisng' does not name a type
    2 | uisng namespace std;
      | ^~~~~
a.cc: In function 'int main()':
a.cc:5:3: error: 'ios_base' has not been declared
    5 |   ios_base::sync_with_stdio(0);
      |   ^~~~~~~~
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin.tie(0);
      |   ^~~
      |   std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 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:7:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |   cout.tie(0);
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:15:12: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   15 |   cout<<j<<endl;
      |            ^~~~
      |            std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++


#include <bits/stdc++.h> 
#define pb push_back
#define sp " "
#define sl "\n"
#define fi first
#define se second
#define mp make_pair
#define sz(a) ((int)a.size())
#define all(a) a.begin(),a.end()
#define rev(a) reverse(a.begin(),a.end())
#define PI 3.141592

using namespace std;

typedef long long ll;
typedef pair<int,int> ii;
typedef pair<int,ii> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
const int N=500,mod=1000000007;
int a[N];
int main() { 
	cin.tie(0); cout.tie(0); 
	ios_base::sync_with_stdio();
	for (int i=1;i<=n;i++) { cin>>a[i]; if (a[i]==0) { cout<<i; return 0; }}
	return 0;
}
// Recuerda limites 
// Recuerda casos especiales


Compiler output:
a.cc: In function 'int main()':
a.cc:26:25: error: 'n' was not declared in this scope
   26 |         for (int i=1;i<=n;i++) { cin>>a[i]; if (a[i]==0) { cout<<i; return 0; }}
      |                         ^
Language: C++

#include <bits/stdc++.h>

using namaspace std;

int main() {
	vector<int> v(6);
  	for(int i = 1; i <= 5; i++) {
    	cin >> v[i];
    	if(v[i] == 0) {
        	cout << i << "\n";
          	return 0;
        }
    }
  
}

Compiler output:
a.cc:3:7: error: expected nested-name-specifier before 'namaspace'
    3 | using namaspace std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:6:9: error: 'vector' was not declared in this scope
    6 |         vector<int> v(6);
      |         ^~~~~~
a.cc:6:9: note: suggested alternatives:
In file included from /usr/include/c++/14/vector:66,
                 from /usr/include/c++/14/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_vector.h:428:11: note:   'std::vector'
  428 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
/usr/include/c++/14/vector:93:13: note:   'std::pmr::vector'
   93 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
a.cc:6:16: error: expected primary-expression before 'int'
    6 |         vector<int> v(6);
      |                ^~~
a.cc:8:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    8 |         cin >> v[i];
      |         ^~~
      |         std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:8:16: error: 'v' was not declared in this scope
    8 |         cin >> v[i];
      |                ^
a.cc:10:17: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |                 cout << i << "\n";
      |                 ^~~~
      |                 std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C

//  *In The Name Of GOD* //
#include <bits/stdc++.h>
#include <bitset>
using namespace std;
#define ll              long long
#define pb              push_back
#define vec             vector
#define str             string
#define S               second
#define pii             pair<int,int>
#define F               first
const int MAXN = 1e6 + 10 ;
const int MOD  = 1e9 +  7 ;
ll inp[MAXN] ;
void solve(){
	int a[5] , ans = 0 ;
	for(int i = 0 ; i < 5 ; i++){
		cin >> a[i] ;
		if(a[i] == 0) ans = i + 1 ;
	}
	cout << ans ; 
}

int main(){
	ios::sync_with_stdio(0) ; cin.tie(0); cout.tie(0);


	solve() ;
	/*
	int t ;
	cin >> t ;
	while(t--){
	}
	*/


}


Compiler output:
main.c:2:10: fatal error: bits/stdc++.h: No such file or directory
    2 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C

#include<bits/stdc++.h>
using namespce std ; 
int main(){
  int a , b , c , d , f ; 
  cin >> a >> b >> c >> d >> f ; 
  if(a == 0 ) cout << 1 ; 
  if(b == 0 ) cout << 2 ; 
  if(c == 0 ) cout << 3 ; 
  if(d == 0 ) cout << 4 ; 
  if(f == 0 ) cout << 5 ; 
  return 0 ; 
} 

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

#include <iostream>
using namespace std;
int main()
{
  ios::sync_with_stdio(false);
  cin.tie(0);
  int a[5],b;
  for(int i=0;i<5;i++)
  {
    cin>>a[i];
    if(a[i]==0){b=i;}
  }
  cout<<a[i]+1<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:11: error: 'i' was not declared in this scope
   13 |   cout<<a[i]+1<<endl;
      |           ^
Language: C++

#include<stdio.h>

int main() {
	int a[5];
	scanf_s("%d %d %d %d %d", &a[0], &a[1], &a[2], &a[3], &a[4]);
	for (int i = 0; i < 5;i++) {
		if (a[i] == 0) { return (i + 1); }
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
    5 |         scanf_s("%d %d %d %d %d", &a[0], &a[1], &a[2], &a[3], &a[4]);
      |         ^~~~~~~
      |         scanf
Language: C++

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

//#pragma GCC optimize("O3")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC target("avx,avx2,fma")

typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef pair<int, int> pii;
typedef pair<ll, int> pli;
typedef pair<int, ll> pil;
typedef vector<pii> vpii;
typedef vector<pil> vpil;
typedef vector<pli> vpli;
typedef set<int> si;
typedef set<ll> sll;
typedef map<int, int> mii;
typedef map<int, ll> mil;
typedef map<ll, int> mli;
typedef map<ll, ll> mll;

const double pi = acos(-1.0);
const long long INF = 2e18;

#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define sz size()
#define in insert
#define endl "\n"
#define sqr(a)((a) *(a))
#define jor(a) !(a & 1)	// jor means EVEN number
#define bjor(a)(a & 1)	// bjor means ODD number
#define all(a) a.begin(), a.end()
#define mem(arr, b) memset(arr, b, sizeof(arr))	//memset only for -1 and 0
//fill(a, a+n, 5)	//fill for any value
#define for0(i, b) for (int i = 0; i < (b); i++)
#define for1(i, b) for (int i = 1; i <= (b); i++)
#define forab(i, a, b) for (int i = (a); i <= (b); i++)
#define forba(i, b, a) for (int i = (b); i >= (a); i--)
#define rep(i, a, b, c) for (int i = (a); i != (b); i += (c))
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

#define fileRead freopen("input.txt", "r", stdin);

void print(int a[], int n)
{
	// for testing or debugging
	for (int i = 0; i < n; i++) cout << a[i] << " ";
	cout << endl;
}

//______________________________________________________\\

int main()
{
    IOS;
    //fileRead;
    int a[5];
    int indx;
    for0(i,n) {
        cin>>a[i];
        if(!a[i]) indx=i;
    }
    cout<<indx+1;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:65:12: error: 'n' was not declared in this scope
   65 |     for0(i,n) {
      |            ^
a.cc:41:41: note: in definition of macro 'for0'
   41 | #define for0(i, b) for (int i = 0; i < (b); i++)
      |                                         ^
Language: C++

#include<stdio.h>

void main() {
	int a[5];
	scanf("%d %d %d %d %d", &a[0], &a[1], &a[2], &a[3], &a[4]);
	for (int i = 0; i++:i < 5) {
		if (a[i] == 0) { break; }
	}
	return (a + 1);
}

Compiler output:
a.cc:3:1: error: '::main' must return 'int'
    3 | void main() {
      | ^~~~
a.cc: In function 'int main()':
a.cc:6:25: warning: range-based 'for' loops with initializer only available with '-std=c++20' or '-std=gnu++20' [-Wc++20-extensions]
    6 |         for (int i = 0; i++:i < 5) {
      |                         ^
a.cc:6:28: error: expected ';' before ':' token
    6 |         for (int i = 0; i++:i < 5) {
      |                            ^
      |                            ;
a.cc:9:9: error: expected primary-expression before 'return'
    9 |         return (a + 1);
      |         ^~~~~~
a.cc:8:10: error: expected ';' before 'return'
    8 |         }
      |          ^
      |          ;
    9 |         return (a + 1);
      |         ~~~~~~
a.cc:9:9: error: expected primary-expression before 'return'
    9 |         return (a + 1);
      |         ^~~~~~
a.cc:8:10: error: expected ')' before 'return'
    8 |         }
      |          ^
      |          )
    9 |         return (a + 1);
      |         ~~~~~~
a.cc:6:13: note: to match this '('
    6 |         for (int i = 0; i++:i < 5) {
      |             ^
a.cc:9:19: error: invalid conversion from 'int*' to 'int' [-fpermissive]
    9 |         return (a + 1);
      |                ~~~^~~~
      |                   |
      |                   int*
Language: C

import java.util.Scanner;

public class Main {
public static void main(String[] args) {
	Scanner scn=new Scanner(System.in);
	int []arr=new int [5];
	int ans=0;
	for(int i=0;i<5;i++) {
		arr[i]=scn.nextInt();
		if(arr[i]==0)
			ans=i+1;
	}
	System.out.println(ans);
}
}


Compiler output:
main.c:1:1: error: unknown type name 'import'
    1 | import java.util.Scanner;
      | ^~~~~~
main.c:1:12: error: expected '=', ',', ';', 'asm' or '__attribute__' before '.' token
    1 | import java.util.Scanner;
      |            ^
main.c:3:1: error: unknown type name 'public'
    3 | public class Main {
      | ^~~~~~
main.c:3:14: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'Main'
    3 | public class Main {
      |              ^~~~
Language: C++

#include<iostream.h>
using namespace std;

int main(){
 	int arr[5];
	for(int i = 0;i<5;i++){
      cin >> arr[i];
      if(arr[i] == 0){
        	cout << i << endl;
        	break;
      }
    }
  
  
  return 0;
}


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

#include<iostream.h>
using namespace std;

int main(){
 	int arr[5];
	for(int i = 0;i<5;i++){
      cin >> arr[i];
      if(arr[i] == 0){
        	cout << i << endl;
        	break;
      }
    }
  
  
  return 0;
}

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>
using namespace std;

int a,b,c,d,e;
cin >> a >> b >> c >> d >> e;
if(a == 0) return 1;
else if(b == 0) return 2;
else if(c == 0) return 3;
else if(d==0) return 4;
else return 5;

Compiler output:
a.cc:5:1: error: 'cin' does not name a type
    5 | cin >> a >> b >> c >> d >> e;
      | ^~~
a.cc:6:1: error: expected unqualified-id before 'if'
    6 | if(a == 0) return 1;
      | ^~
a.cc:7:1: error: expected unqualified-id before 'else'
    7 | else if(b == 0) return 2;
      | ^~~~
a.cc:8:1: error: expected unqualified-id before 'else'
    8 | else if(c == 0) return 3;
      | ^~~~
a.cc:9:1: error: expected unqualified-id before 'else'
    9 | else if(d==0) return 4;
      | ^~~~
a.cc:10:1: error: expected unqualified-id before 'else'
   10 | else return 5;
      | ^~~~
Language: Java

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

/**
 * FiveVariables
 */
public class FiveVariables {

    public static void main(String[] args) {
        try (var br = new BufferedReader(new InputStreamReader(System.in))) {
            var list = new ArrayList<Integer>();
            for (int i = 0; i <= 5; i++) {
                list.add(Integer.parseInt(br.readLine()));
            }

            System.out.println(list.indexOf(0));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

Compiler output:
Main.java:9: error: class FiveVariables is public, should be declared in a file named FiveVariables.java
public class FiveVariables {
       ^
1 error
Language: C++

#include <iostream>
using namespace std;

int main(){
	int v[5];
    for(int i=0; i<5; i++)
    	cin>>v[i];
    
    for(int i=0; i<5; i++){
    	if(v[i]==0){
        	cout<<i+1;
            return;
        }
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:13: error: return-statement with no value, in function returning 'int' [-fpermissive]
   12 |             return;
      |             ^~~~~~