criyle/codenet-compile-errors huggingface dataset:
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int cnt = sc.nextInt();
      	int tmpVal = 0;
      	int limit = kaizyo(10,18);
        for(int i=0;i<cnt;i++){
			int tmpInput = sc.nextInt();
          if((tmpInput * tmpVal) > 10^18) {
            tmpVal = -1;
            break;
          } else {
          	tmpVal = (tmpInput * tmpVal);
          }
        }
		// 出力
		System.out.println(tmpVal);
	}
  private static int kaizyo(int val,int n){
  int tmp = val;
 	if(n != 0) {
        kaizyo(tmp*val);
    } else {
    	return tmp;
    }
  return tmp;
}
}
 


Compiler output:
Main.java:10: error: bad operand types for binary operator '^'
          if((tmpInput * tmpVal) > 10^18) {
                                     ^
  first type:  boolean
  second type: int
Main.java:23: error: method kaizyo in class Main cannot be applied to given types;
        kaizyo(tmp*val);
        ^
  required: int,int
  found:    int
  reason: actual and formal argument lists differ in length
2 errors
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int cnt = sc.nextInt();
      	int tmpVal = 0;
      	int limit = kaizyo(10,18);
        for(int i=0;i<cnt;i++){
			int tmpInput = sc.nextInt();
          if((tmpInput * tmpVal) > 10^18) {
            tmpVal = -1;
            break;
          } else {
          	tmpVal = (tmpInput * tmpVal);
          }
        }
		// 出力
		System.out.println(tmpVal);
	}
}
 
private static Integer kaizyo(int val,int n) {
  int tmp = val;
 	if(n != 0) {
        kaizyo(tmp*val);
    } else {
    	return tmp;
    }
  return tmp;
}

Compiler output:
Main.java:22: error: unnamed classes are a preview feature and are disabled by default.
private static Integer kaizyo(int val,int n) {
               ^
  (use --enable-preview to enable unnamed classes)
1 error
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int cnt = sc.nextInt();
      	int tmpVal = 0;
      	int limit = kaizyo(10,18);
        for(int i=0;i<cnt;i++){
			int tmpInput = sc.nextInt();
          if((tmpInput * tmpVal) > 10^18) {
            tmpVal = -1;
            break;
          } else {
          	tmpVal = (tmpInput * tmpVal);
          }
        }
		// 出力
		System.out.println(tmpVal);
	}
}

private static int kaizyo(int val,int n){
  int tmp = val;
 	if(n != 0) {
        kaizyo(tmp*val);
    } else {
    	return tmp;
    }
  return tmp;
}

Compiler output:
Main.java:22: error: unnamed classes are a preview feature and are disabled by default.
private static int kaizyo(int val,int n){
               ^
  (use --enable-preview to enable unnamed classes)
1 error
Language: C

#include <iostream>
#include <vector>

using namespace std;

std::vector<long long>A(100010);

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


    for(int i=0;i<N;i++)
    {
        cin >> A[i];
    }

    int zero = 0; 

    for(int i=0;i<N;i++)
    {
        if(A[i]==0)
        {
            zero++;
        }
    }
    if(zero>0)
    {
        cout << 0 << endl;
        return 0;
    }

    long long seki = 1;

    for(int i=0;i<N;i++)
    {
        if(A[i] <= 1000000000000000000/seki)
        {
            seki = seki*A[i];
        }
        else
        {
            cout << -1 << endl;
            return 0;
        }
    }

    cout << seki << endl;
}


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

#include <stdio.h>

#include <math.h>

 

int main ()

{

int N;

int num[scanf("%d",&N)];

for(int i=0;i<N;i++){

scanf("%d",&num[i]);

}

int ans=0;

for(int j =0;j<N;j++){

if(j==0){

ans=num[j];

}else{

ans*=num[j];

}

}

if(ans<pow(10,8)){

printf("%d",ans);

}else{

printf("-1");

}

}



Compiler output:
main.c:5:1: error: stray '\302' in program
    5 | <U+00A0>
      | ^~~~~~~~
Language: C

#include <stdio.h>

#include <math.h>

 

int main ()

{

int N;

int num[scanf("%d",&N)];

for(int i=0;i<N;i++){

scanf("%d",&num[i]);

}

int ans=0;

for(int j =0,j<N,j++){

if(j==0){

ans=num[j];

}else{

ans*=num[j];

}

}

if(ans<pow(10,8)){

printf("%d",ans)

}else{

printf("-1");

}

}



Compiler output:
main.c:5:1: error: stray '\302' in program
    5 | <U+00A0>
      | ^~~~~~~~
main.c: In function 'main':
main.c:23:15: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
   23 | for(int j =0,j<N,j++){
      |               ^
main.c:37:1: error: expected expression before 'if'
   37 | if(ans<pow(10,8)){
      | ^~
main.c:47:1: error: expected expression before '}' token
   47 | }
      | ^
main.c:47:1: error: expected expression before '}' token
Language: C

#include <stdio.h> #include <math.h> int main () { int N; int num[scanf("%d",&N)]; for(int i=0;i<N;i++){ scanf("%d",&num[i]); } int ans=0; for(int j =0,j<N,j++){ if(j==0){ ans=num[j]; }else{ ans*=num[j]; } } if(ans<pow(10,8)){ printf("%d",ans) }else{ printf("-1"); } }



Compiler output:
main.c:1:20: warning: extra tokens at end of #include directive
    1 | #include <stdio.h> #include <math.h> int main () { int N; int num[scanf("%d",&N)]; for(int i=0;i<N;i++){ scanf("%d",&num[i]); } int ans=0; for(int j =0,j<N,j++){ if(j==0){ ans=num[j]; }else{ ans*=num[j]; } } if(ans<pow(10,8)){ printf("%d",ans) }else{ printf("-1"); } }
      |                    ^
/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: C

#include <stdioh>
#include <math.h>

int main ()
{
    int N;
    int num[scanf("%d",&N)];
    for(int i=0;i<N;i++){
       scanf("%d",&num[i]);
    }
    int ans=0;
    for(int j =0,j<N,j++){
       if(j==0){
         ans=num[j];
       }else{
        ans*=num[j];
       }
    }
    if(ans<pow(10,8)){
       printf("%d",ans)
    }else{
       printf("-1");
    }
    
    
}

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

#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <cmath>
#include <queue>
#include <map>
#include <unordered_map>
#include <set>
#include <functional>
#include <bitset>
#include <numeric>
#include <complex>
#include <iomanip>
#include <cassert>
#include <random>

#define f(i,x,y) for(int i=x; i<y; i++)

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

using namespace std;

int main(){
    int N;
  	cin>>N;
  	long long a[N];
    f(i,0,N)cin>>a[i];
    long long res=1;
    for(i,0,N){res*=a[i];if(res>=1000000000000000000){return -1};}
    cout<<res<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:9: error: 'i' was not declared in this scope
   31 |     for(i,0,N){res*=a[i];if(res>=1000000000000000000){return -1};}
      |         ^
a.cc:33:1: error: expected primary-expression before '}' token
   33 | }
      | ^
a.cc:32:21: error: expected ')' before '}' token
   32 |     cout<<res<<endl;
      |                     ^
      |                     )
   33 | }
      | ~                    
a.cc:31:8: note: to match this '('
   31 |     for(i,0,N){res*=a[i];if(res>=1000000000000000000){return -1};}
      |        ^
a.cc:33:1: error: expected primary-expression before '}' token
   33 | }
      | ^
Language: C++

#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <cmath>
#include <queue>
#include <map>
#include <unordered_map>
#include <set>
#include <functional>
#include <bitset>
#include <numeric>
#include <complex>
#include <iomanip>
#include <cassert>
#include <random>

#define f(i,x,y) for(int i=x; i<y; i++)

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

using namespace std;

int main(){
    int N;
  	cin>>N;
  	long long a[N]={0};
    f(i,0,N)cin>>a[i];
    long long res=1;
    for(i,0,N){res*=a[i];if(res>1000000000000000000)return -1;}
    cout<<res<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:9: error: 'i' was not declared in this scope
   31 |     for(i,0,N){res*=a[i];if(res>1000000000000000000)return -1;}
      |         ^
a.cc:33:1: error: expected primary-expression before '}' token
   33 | }
      | ^
a.cc:32:21: error: expected ')' before '}' token
   32 |     cout<<res<<endl;
      |                     ^
      |                     )
   33 | }
      | ~                    
a.cc:31:8: note: to match this '('
   31 |     for(i,0,N){res*=a[i];if(res>1000000000000000000)return -1;}
      |        ^
a.cc:33:1: error: expected primary-expression before '}' token
   33 | }
      | ^
Language: C++

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

#define int long long
#define endl "\n"
#define pb push_back
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define IN freopen("input.txt","r",stdin);
#define OUT freopen("output.txt","w",stdout);

const int N = 2e5 + 5;
const int MAX = 10^18;

void solve();
void cf()
{
    int t; cin >> t; while(t--) solve();
}
int32_t main()
{
    IOS;
    int n;
    cin >> n;
    vector<int>a(n);
    int cnt = 1,zero = 0;
    for(int &e : a){
        cin >> e;
    }
    for(int i=0 ; i<n ; i++)
        if(a[i] == 0)
            zero++;
    if(zero > 0){
        cout << 0 << endl;
        return 0;
    }

    for(int i=0 ; i<n ; i++){
        if(a[i] <= MAX / cnt)
            cnt *= a[i];
        else{
            cout << "-1" << endl;
            return 0;
        }
    }
    cout << cnt << endl;
}



Compiler output:
a.cc:12:19: warning: result of '10^18' is 24; did you mean '1e18'? [-Wxor-used-as-pow]
   12 | const int MAX = 10^18;
      |                   ^
      |                 ---
      |                 1e
a.cc:12:17: note: you can silence this warning by using a hexadecimal constant (0xa rather than 10)
   12 | const int MAX = 10^18;
      |                 ^~
      |                 0xa
/usr/bin/ld: /tmp/cc5eO9GH.o: in function `cf()':
a.cc:(.text+0x21): undefined reference to `solve()'
collect2: error: ld returned 1 exit status
Language: C++

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

int main(){
long long n;
  cin>>n;
  long long ans,a;
  ans=1;
  bool ng=false;
  bool end=false
  for(int i=0;i<n;i++){
cin>> a;
    if(a==0){
cout<<"0"<<endl;
      end=true;
      break;
    }
    if(1000000000000000000/a<ans){
      ng=true;
    }
   else if(ng==false){
ans*=a;
   }
  }
  if(end==false&&ng){
cout<<"-1"<<endl;
  }
  else if(ng==false){
cout<<ans<<endl;
  }
}
  
      


Compiler output:
a.cc: In function 'int main()':
a.cc:11:3: error: expected ',' or ';' before 'for'
   11 |   for(int i=0;i<n;i++){
      |   ^~~
a.cc:11:15: error: 'i' was not declared in this scope
   11 |   for(int i=0;i<n;i++){
      |               ^
Language: C++

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

int main(){
long long n;
  cin>>n;
  long long ans;
  ans=1;
  bool ng=false;
  for(int i=0;i<n;i++){
cin>>long long a;
    if(a==0){
cout<<"0"<<endl;
      ans=0;
    }
    if(1000000000000000000/a<ans){
      ng=true;
    }
   else if(ng==false){
ans*=a;
   }
  }
  if(ans!=0&&ng){
cout<<"-1"<<endl;
  }
  else if(ng){
cout<<ans<<endl;
  }
}
  
      


Compiler output:
a.cc: In function 'int main()':
a.cc:11:6: error: expected primary-expression before 'long'
   11 | cin>>long long a;
      |      ^~~~
a.cc:12:8: error: 'a' was not declared in this scope
   12 |     if(a==0){
      |        ^
a.cc:16:28: error: 'a' was not declared in this scope
   16 |     if(1000000000000000000/a<ans){
      |                            ^
Language: C++

#include <iostream>
#include <cmath>
using namespace std;
 
int main()
{
    int N;
    cin>>N;
    long long int r=1;
    int A[N];
    for(int k=0;k<N;k++)
        cin>>A[k];
    for(int i=0;i<N;i++)
    {
        r*=A[i];
        if(r>pow(10,18))
            cout<<"-1";
    }
    else
    {
        cout<<r;
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:5: error: 'else' without a previous 'if'
   19 |     else
      |     ^~~~
Language: C++

#include <iostream>
#include <cmath>
using namespace std;
 
int main()
{
    int N;
    cin>>N;
    long long int r=1;
    int A[N];
    for(int k=0;k<N;k++)
        cin>>A[k];
    for(int i=0;i<N;i++)
    {
        r*=A[i];
        if(r>pow(10,18))
            cout<<"-1";
    }
    else
        cout<<r;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:5: error: 'else' without a previous 'if'
   19 |     else
      |     ^~~~
Language: Java

import java.util.Scanner;
class Main{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    long n = scan.nextInt();
    long ans = 1;
    for(long l=0;l<n;l++){
      ans *= scan.nextInt();
    }
    System.out.println((ans>1000000000000000000)?-1:ans);
  }
}

Compiler output:
Main.java:10: error: integer number too large
    System.out.println((ans>1000000000000000000)?-1:ans);
                            ^
1 error
Language: C

#include<stdio.h>
int main(){
  int N;
  int a;
  int x=1;
  scanf("%d",&N);
  for(int i=0;i<n;i++){
   scanf("%d",&a);
   x=x*a;
    if(x>1000000000000000000){
      x=-1;
      i=n;
    }
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:17: error: 'n' undeclared (first use in this function)
    7 |   for(int i=0;i<n;i++){
      |                 ^
main.c:7:17: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

int main(){
    long long  x = 1;
    int n;
    scanf("%d",&n);

    int vet[n];

    for(int i = 0; i < n;++i){
        scanf("%lld",&vet[i]);
        if(vet[i] == 0){
            printf("0\n");
            return 0 ;
        }
        x = vet[i] * x;
    }
    if((x < 1000000000000000000)
        printf("%lld",x);
    else    
        printf("-1\n");
    return 0 ;

}

Compiler output:
main.c: In function 'main':
main.c:18:33: error: expected ')' before 'printf'
   18 |     if((x < 1000000000000000000)
      |       ~                         ^
      |                                 )
   19 |         printf("%lld",x);
      |         ~~~~~~                   
main.c:24:1: error: expected expression before '}' token
   24 | }
      | ^
Language: C++

#include <bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define sz(a) a.size()
#define re return
#define all(a) a.begin(),a.end()
#define int long long
using namespace std;
const int dx[4]={-1,1,0,0};
const int dy[4]={0,0,-1,1};
signed main()
{
	int n;
	cin>>n;
	vector<int>a(n);
	for (int i=0;i<n;i++)
		cin>>a[i];
	long double 1e_k=0.0;
	for (int i=0;i<n;i++)
		1e_k+=log10(a[i]);
	if (1e_k>18.1){
		cout<<-1;
		re 0;
	}
	int k=1;
	for (int i=0;i<n;i++){
		k*=a[i];
		if (k>1e18){
			cout<<-1;
			re 0;
		}
	}
	cout<<k;
	re 0;
}

Compiler output:
a.cc:18:21: error: exponent has no digits
   18 |         long double 1e_k=0.0;
      |                     ^~~~
a.cc:20:17: error: exponent has no digits
   20 |                 1e_k+=log10(a[i]);
      |                 ^~~~
a.cc:21:13: error: exponent has no digits
   21 |         if (1e_k>18.1){
      |             ^~~~
a.cc: In function 'int main()':
a.cc:18:21: error: expected unqualified-id before numeric constant
   18 |         long double 1e_k=0.0;
      |                     ^~~~
Language: C++

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

const ll mx = 1e18;

int main(){
  int n;
  cin >> n;
  ll ans = 1;
  bool ng = false;
  rep(i,n){
    ll a;
    cin >> a;
    if(a==0){
      cout << 0 << endl;
      return 0;
    }
    if((mx+1)/a < ans){
          ng = ture;
          return 0;
      }
      ans *= a;
    }
    if(ng) cout << -1 << endl;
    else cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:16: error: 'ture' was not declared in this scope
   21 |           ng = ture;
      |                ^~~~
Language: C++

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

const ll max = 1e18;

int main(){
  int n;
  cin >> n;
  ll ans = 1;
  rep(i,n){
    ll a;
    cin >> a;
    if(a==0){
      cout << 0 << endl;
      return 0;
    }
    if((max+1)/a < ans){
          cout << -1 << endl;
          return 0;
      }
      ans *= a;
    }

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


Compiler output:
a.cc: In function 'int main()':
a.cc:19:9: error: reference to 'max' is ambiguous
   19 |     if((max+1)/a < ans){
      |         ^~~
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidates are: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:                 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
In file included from /usr/include/c++/14/algorithm:60:
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:                 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:                 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
a.cc:6:10: note:                 'const ll max'
    6 | const ll max = 1e18;
      |          ^~~
a.cc: At global scope:
a.cc:27:3: error: 'cout' does not name a type
   27 |   cout << ans << endl;
      |   ^~~~
a.cc:28:3: error: expected unqualified-id before 'return'
   28 |   return 0;
      |   ^~~~~~
a.cc:29:1: error: expected declaration before '}' token
   29 | }
      | ^
Language: C

#include<stdio.h>
int main()
{
    int n,a,i,sum=1;
    scanf("%d",&n);
    for(i=0;i<n;i++)
    {
        scanf("%d",&a);
        sum*=a;
    }
    if(sum>1e18)
        printf("-1\n");
    else
        printf("%d\n".sum);
}

Compiler output:
main.c: In function 'main':
main.c:14:22: error: request for member 'sum' in something not a structure or union
   14 |         printf("%d\n".sum);
      |                      ^
Language: C++

#include <iostream>

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

using namespace std;
using ll = long long;

const long long INF = 1e18;

int main()
{
    ll N, A[100010];
    cin>>N;
    rep(i,N){
        cin>>A[i];
    }

    sort(A,A+N);

    if(A[0]==0){
        cout << 0 << endl;
        return 0;
    }

    ll ans = 1;
    rep(i,N){
        if(INF/A[i] < ans){
            cout << -1 << endl;
            return 0;
        }
        ans *= A[i];
    }

    cout << ans << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   18 |     sort(A,A+N);
      |     ^~~~
      |     short
Language: C++

#include<iostream>
using namespace std;
Unsigned long long a[1000005];
int main()
{
	Unsigned long long n,x,s=1;
	cin>>n;
	for(int i=1;i<=n;i++)
	cin>>a[i];
	for(int i=1;i<=n;i++)
	{
		
		s*=a[i]; 
		if(s>1000000000000000000)
		{
			s=-1;
			break;
		}
		
	}
	cout<<s<<endl;
} 

Compiler output:
a.cc:3:1: error: 'Unsigned' does not name a type; did you mean 'unsigned'?
    3 | Unsigned long long a[1000005];
      | ^~~~~~~~
      | unsigned
a.cc: In function 'int main()':
a.cc:6:9: error: 'Unsigned' was not declared in this scope; did you mean 'unsigned'?
    6 |         Unsigned long long n,x,s=1;
      |         ^~~~~~~~
      |         unsigned
a.cc:7:14: error: 'n' was not declared in this scope
    7 |         cin>>n;
      |              ^
a.cc:9:14: error: 'a' was not declared in this scope
    9 |         cin>>a[i];
      |              ^
a.cc:13:17: error: 's' was not declared in this scope
   13 |                 s*=a[i];
      |                 ^
a.cc:13:20: error: 'a' was not declared in this scope
   13 |                 s*=a[i];
      |                    ^
a.cc:21:15: error: 's' was not declared in this scope
   21 |         cout<<s<<endl;
      |               ^
Language: C++

//Problem: ABC_169A
//Progress:
#include <iostream>
typedef signed long long ll;
using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    ll n, ans = 1, inp;
    cin >> n;
    ll a[n];
    for(ll i=0; i<n; i++)
        cin >> a[i];
    sort(a, a+n);
    for(ll i=0; i<n; i++){
        ans *= a[i];
        if(a[i] > 1000000000000000000 || ans > 1000000000000000000)
        	break;
    }
    if(ans > 1000000000000000000)
        cout << "-1";
    else
        cout << ans;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   16 |     sort(a, a+n);
      |     ^~~~
      |     short
Language: C

#include <stdio.h>

int main(){
  int n = 0;
  unsigned long long ans = 0;
  unsigned long long max = 1e18;
  scanf("%d", &n);
  int *arr = (int*)malloc(n*sizeof(int));
  
  for(int i = 0; i < n; i++){
    ans *= arr[i];
    if(ans > max){
      ans = -1;
      break;
    }
  }
  print("%ulld", ans);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:20: error: implicit declaration of function 'malloc' [-Wimplicit-function-declaration]
    8 |   int *arr = (int*)malloc(n*sizeof(int));
      |                    ^~~~~~
main.c:2:1: note: include '<stdlib.h>' or provide a declaration of 'malloc'
    1 | #include <stdio.h>
  +++ |+#include <stdlib.h>
    2 | 
main.c:8:20: warning: incompatible implicit declaration of built-in function 'malloc' [-Wbuiltin-declaration-mismatch]
    8 |   int *arr = (int*)malloc(n*sizeof(int));
      |                    ^~~~~~
main.c:8:20: note: include '<stdlib.h>' or provide a declaration of 'malloc'
main.c:17:3: error: implicit declaration of function 'print'; did you mean 'printf'? [-Wimplicit-function-declaration]
   17 |   print("%ulld", ans);
      |   ^~~~~
      |   printf
Language: C++

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

const MX = 1e18;

int main(void){
	int a, n;
  	bool flg;
  	int ans = 1;
  	cin >> n;
  	for(int i = 0; i < (n); i++){
    	cin >> a;
        if(a == 0){
        	cout << "0";
          	return 0;
        }
      	if(flg || MX/ans < a){
        	flg = true;
          	break;
        }
      	ans *= a
    }
  	if(flg) cout << -1;
  	else cout << ans;
	return 0;
}

Compiler output:
a.cc:7:7: error: 'MX' does not name a type
    7 | const MX = 1e18;
      |       ^~
a.cc: In function 'int main()':
a.cc:20:19: error: 'MX' was not declared in this scope
   20 |         if(flg || MX/ans < a){
      |                   ^~
a.cc:24:17: error: expected ';' before '}' token
   24 |         ans *= a
      |                 ^
      |                 ;
   25 |     }
      |     ~
Language: Java

import java.util.*;
public class Main {
  public static void main (String[] args){
    Scanner scanner = new Scanner(System.in);
    int n = scanner.nextInt();
    for (; n != 0; n--){
    int a = scanner.nextInt();
    if (a != 0) {
      int b = scanner.nextInt();
      int a = a*b;
    }
    else {
      System.out.println(-1);
    }
    }
  }
}


Compiler output:
Main.java:10: error: variable a is already defined in method main(String[])
      int a = a*b;
          ^
1 error
Language: Java

import java.util.*;
public class Main {
  public static void main (String[] args){
    Scanner scanner = new Scanner(System.in);
    int n = scanner.nextInt();
    for (; n != 0; n--){
    int a = scanner.nextInt();
    if (a != 0) {
      int b = scanner.nextInt;
      a = a*b;
    }
    else {
      System.out.println(-1);
    }
    }
  }
}


Compiler output:
Main.java:9: error: cannot find symbol
      int b = scanner.nextInt;
                     ^
  symbol:   variable nextInt
  location: variable scanner of type Scanner
1 error
Language: Java

import java.util.*;
public class Main {
  public static void main (String[] args){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    for (; n != 0; n--){
    int a = sc.nextInt();
    if (a != 0) {
      int b = sc.nextInt;
      a = a*b;
    }
    else {
      System.out.println(-1);
    }
    }
  }
}


Compiler output:
Main.java:9: error: cannot find symbol
      int b = sc.nextInt;
                ^
  symbol:   variable nextInt
  location: variable sc of type Scanner
1 error
Language: Java

import java.util.*;
public class Main {
  public static void main (String[] args){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    for (; n != 0; n--){
    int a = sc.nextInt();
    if (a != 0) {
      int b = sc.nextInt;
      a = a*b
    }
    else {
      System.out.println(-1);
    }
    }
  }
}


Compiler output:
Main.java:10: error: ';' expected
      a = a*b
             ^
1 error
Language: C++

#include <iostream>
#include <cstdint>
#include <optional>
#inlcude <limits>

using namespace std;
using u = uint_fast32_t;
using U = uint64_t;

optional<U> checked_mul(const optional<U> &a, const U b) {
  if(!a) return nullopt;
  const auto a_ = a.value();
  U ans = a_ * b;
  return (a_ == 0 || b <= numeric_limits<U>::max() / a_) ? make_optional(ans) : nullopt;
}

int main() {
  u n;
  cin >> n;
  optional<U> ans = 1;
  for(u i = 0; i < n; ++i) {
    U a;
    cin >> a;
    if(a == U(0)) {
      cout << "0\n";
      return 0;
    }
    ans = checked_mul(ans, a);
    if(ans && ans.value() > (U(1) << 18)) {
      ans = nullopt;
    }
  }
  if(!ans) {
    cout << "-1\n";
  } else {
  	cout << ans.value() << '\n';
  }
  return 0;
}

Compiler output:
a.cc:4:2: error: invalid preprocessing directive #inlcude; did you mean #include?
    4 | #inlcude <limits>
      |  ^~~~~~~
      |  include
a.cc: In function 'std::optional<long unsigned int> checked_mul(const std::optional<long unsigned int>&, U)':
a.cc:14:27: error: 'numeric_limits' was not declared in this scope
   14 |   return (a_ == 0 || b <= numeric_limits<U>::max() / a_) ? make_optional(ans) : nullopt;
      |                           ^~~~~~~~~~~~~~
a.cc:14:43: error: expected primary-expression before '>' token
   14 |   return (a_ == 0 || b <= numeric_limits<U>::max() / a_) ? make_optional(ans) : nullopt;
      |                                           ^
a.cc:14:49: error: no matching function for call to 'max()'
   14 |   return (a_ == 0 || b <= numeric_limits<U>::max() / a_) ? make_optional(ans) : nullopt;
      |                                            ~~~~~^~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 0 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 0 provided
Language: C++

#include <iostream>
#include <cstdint>
#include <optional>
#inlcude <limits>

using namespace std;
using u = uint_fast32_t;
using U = uint64_t;

optional<U> checked_mul(const optional<U> &a, const U b) {
  if(!a) return nullopt;
  const auto a_ = a.value();
  U ans = a_ * b;
  return (a_ == 0 || b <= numeric_limits<U>::max() / a) ? make_optional(ans) : nullopt;
}

int main() {
  u n;
  cin >> n;
  optional<U> ans = 1;
  for(u i = 0; i < n; ++i) {
    U a;
    cin >> a;
    if(a == U(0)) {
      cout << "0\n";
      return 0;
    }
    ans = checked_mul(ans, a);
    if(ans && ans.value() > (U(1) << 18)) {
      ans = nullopt;
    }
  }
  if(!ans) {
    cout << "-1\n";
  } else {
  	cout << ans.value() << '\n';
  }
  return 0;
}

Compiler output:
a.cc:4:2: error: invalid preprocessing directive #inlcude; did you mean #include?
    4 | #inlcude <limits>
      |  ^~~~~~~
      |  include
a.cc: In function 'std::optional<long unsigned int> checked_mul(const std::optional<long unsigned int>&, U)':
a.cc:14:27: error: 'numeric_limits' was not declared in this scope
   14 |   return (a_ == 0 || b <= numeric_limits<U>::max() / a) ? make_optional(ans) : nullopt;
      |                           ^~~~~~~~~~~~~~
a.cc:14:43: error: expected primary-expression before '>' token
   14 |   return (a_ == 0 || b <= numeric_limits<U>::max() / a) ? make_optional(ans) : nullopt;
      |                                           ^
a.cc:14:49: error: no matching function for call to 'max()'
   14 |   return (a_ == 0 || b <= numeric_limits<U>::max() / a) ? make_optional(ans) : nullopt;
      |                                            ~~~~~^~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 0 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 0 provided
Language: C++

#include <iostream>
#include <cstdint>
#include <optional>

using namespace std;
using u = uint_fast32_t;
using U = uint64_t;

optional<U> checked_mul(const U a, const U b) {
  U ans = a * b;
  return (a == 0 || ans / a == b) ? ans : nullopt;
}

int main() {
  u n;
  cin >> n;
  U ans = 1;
  for(u i = 0; i < n; ++i) {
    U a;
    cin >> a;
    auto m = checked_mul(ans, a);
    if(!m) {
      cout << "-1\n";
      return 0;
    }
    ans = m.value();
    if(ans == U(0)) {
      break;
    }
    if(ans > (U(1) << 18)) {
      cout << "-1\n";
      return 0;
    }
  }
  cout << ans << '\n';
  return 0;
}

Compiler output:
a.cc: In function 'std::optional<long unsigned int> checked_mul(U, U)':
a.cc:11:35: error: operands to '?:' have different types 'U' {aka 'long unsigned int'} and 'const std::nullopt_t'
   11 |   return (a == 0 || ans / a == b) ? ans : nullopt;
      |          ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
Language: C++

#include <iostream>
#include <cstdint>
#include <optional>

using namespace std;
using u = uint_fast32_t;
using U = uint64_t;

optional<U> checked_mul(const U a, const U b) {
  U ans = a * b;
  return (a == 0 || ans / a == b) ? ans : {};
}

int main() {
  u n;
  cin >> n;
  U ans = 1;
  for(u i = 0; i < n; ++i) {
    U a;
    cin >> a;
    auto m = checked_mul(ans, a);
    if(!m) {
      cout << "-1\n";
      return 0;
    }
    ans = m.value();
    if(ans == U(0)) {
      break;
    }
    if(ans > (U(1) << 18)) {
      cout << "-1\n";
      return 0;
    }
  }
  cout << ans << '\n';
  return 0;
}

Compiler output:
a.cc: In function 'std::optional<long unsigned int> checked_mul(U, U)':
a.cc:11:43: error: expected primary-expression before '{' token
   11 |   return (a == 0 || ans / a == b) ? ans : {};
      |                                           ^
a.cc:11:42: error: expected ';' before '{' token
   11 |   return (a == 0 || ans / a == b) ? ans : {};
      |                                          ^~
      |                                          ;
Language: C++

#include<iostream>
using namespace std;

int main(){
  
  int n; cin>>n;
  long long int p=1;
  while(n--){
  	long long int a; cin>>a;
    p*=a;
  }
  
  long long int limit=pow(2,18);
  
  if(p>limit) cout<<-1<<endl;
  else cout<<p<<endl;
  
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:23: error: 'pow' was not declared in this scope
   13 |   long long int limit=pow(2,18);
      |                       ^~~
Language: C

#include <bits/stdc++.h>
const double pi = acos(-1);
using namespace std;
int main() {
  int N;
  cin >> N;
  vector<int> A.(N);
  int answer = 1;
  for(int i = 0; i < N; i++){
    cin >> A.at(i);
  }
  for(int i = 0; i < N; i++){
    answer *= A.at(i);
  }
  if(answer < 1000000000000000001){
    cout << answer << endl;
  }
  else(anser >= 1000000000000000001){
    cout << -1 << endl;
  }
  
}

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++

n = int(input())
a = [int(x) for x in input().split()]
ans = 1
for x in a:
  ans *= x
if (ans > 1000000000000000000):
  print("-1")
else:
  print(ans)

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

import java.util.*;
import java.util.List;
import java.util.ArrayList;
import java.math.*;
class Main{
    public static void main(String[]args){
        Scanner scanner = new Scanner(System.in);
        int N = scanner.nextInt();
        long A[] = new long[N];
        long ans = 1;
        long max = 1000000000000000000;
            for(int i=0;i<N;i++){
                A[i] = scanner.nextLong();
                if(A[i] == 0){
                    ans = 0;
                    break;
                }
                ans *= A[i];
                if(ans > max){
                    ans = -1;
                    break;
                }
            }
    }

}

Compiler output:
Main.java:11: error: integer number too large
        long max = 1000000000000000000;
                   ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin >> n;
  long long sum=1;
  for(int i = 0; i <n ; i++){
    long long x;
	cin >>x;
    if(x <=1000000000000000000/sum){
      sum *= x;
    }
    else{
      sum= -1;
      break;
    }
  cout << sum << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:2: error: expected '}' at end of input
   18 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin >> n;
  int128_t sum=1;
  for(int i = 0; i <n ; i++){
    int128_t x;
    cin>>x;
  sum *=x;}
  if(sum >1000000000000000000){
    sum =-1;
   }
  
  cout << sum << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'int128_t' was not declared in this scope; did you mean 'int8_t'?
    6 |   int128_t sum=1;
      |   ^~~~~~~~
      |   int8_t
a.cc:8:13: error: expected ';' before 'x'
    8 |     int128_t x;
      |             ^~
      |             ;
a.cc:9:10: error: 'x' was not declared in this scope
    9 |     cin>>x;
      |          ^
a.cc:10:3: error: 'sum' was not declared in this scope
   10 |   sum *=x;}
      |   ^~~
a.cc:11:6: error: 'sum' was not declared in this scope
   11 |   if(sum >1000000000000000000){
      |      ^~~
a.cc:15:11: error: 'sum' was not declared in this scope
   15 |   cout << sum << endl;
      |           ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define sct(tc) scanf("%lld",&tc)
#define scl(n) scanf("%lld",&n)
#define scll(n,m) scanf("%lld%lld",&n,&m)
#define pb push_back
#define mp make_pair
#define fr first
#define sc second
int main()
{
	ll n,prod=1,x,i;
	scl(n);
	for(i=0;i<n;i++)
	{
		scanf("%lld",&x);
	    if(x<=1000000000000000000)
		prod*=x;
	    else
	    {
	    	prode=-1;
	    	break;
		}
	}
printf("%lld\n",prod);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:17: error: 'prode' was not declared in this scope; did you mean 'prod'?
   22 |                 prode=-1;
      |                 ^~~~~
      |                 prod
Language: C

#include<bits/stdc++.h>
using namespace std;
long long a[100000];
int main()
{
	long long n,ba=1,bz;
	cin>>n;
	for(int t=0;t<n;t++)
	{
		cin>>a[t];
	}
	for(int t=0;t<n;t++)
	{
		ba*=a[t];
		if(ba>1000000000000000000||ba<=0||(bz>ba||a[t]>ba))
		{
			for(int i=t;i<n;i++)
			{
				if(a[i]==0)
				{
					cout<<"0";
					return 0;
				}
			}
			cout<<"-1";
			return 0;
		}
		bz=ba;
	}
	cout<<ba;
	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 <bits/stdc++.h>
using namespace std;

int main() {
  int N;
  long long int A=1;
  bool haszero = false;
  cin >> N;  
  vector<long long int> vec(N);
  for (int i = 0; i < N; i++){
    cin >> vec.at(i);
    if (vec.at(i) == 0){
      haszero = true;
    }
  }

    
  }
  long long int B = 1000000000000000000;
  if (haszero) {
    cout << 0 << endl;
  }
  else{
    for (int i = 0; i < N; i++){
            if(vec[i] > (B/A)){
                cout << -1 << endl;
                return 0;
            }
            A *= vec[i];
        }
        cout << A << endl;
  }
  
}


Compiler output:
a.cc:20:3: error: expected unqualified-id before 'if'
   20 |   if (haszero) {
      |   ^~
a.cc:23:3: error: expected unqualified-id before 'else'
   23 |   else{
      |   ^~~~
a.cc:34:1: error: expected declaration before '}' token
   34 | }
      | ^
Language: C++

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



int main() {
  int N, answer =0, A=1;
  cin >> N;  
  vector<int> vec(N);
  for (int i = 0; i < N; i++){
    cin >> vec.at(i);
  }
  
  for (int i = 0; i < N; i++){
    A = A*vec.at(i);
  }
  
  if ( A =< 10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10){
    answer = A;
  }
  else {
    answer = -1;
  }
  
  cout << answer << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:11: error: expected primary-expression before '<' token
   18 |   if ( A =< 10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10){
      |           ^
a.cc:18:39: warning: integer overflow in expression of type 'int' results in '1410065408' [-Woverflow]
   18 |   if ( A =< 10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10*10){
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
 
int main() {
  int n; cin>> n;
  vector<ll> A(n);
   for(int i = 0;i<n;++i){
     cin >> A[i];
       if(A[i] == 0){
        cout << 0 << endl;
        return 0;
       }
   }
  
	ll ans = 1, max = 1e18; 
	  for(ll x / A){
	    if(x > max/ans){
	      cout << -1 << endl;
	      return 0;
	    }
	    ans *= x;
	  }
	cout << ans << endl;
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:19: error: expected ';' before '/' token
   17 |           for(ll x / A){
      |                   ^~
      |                   ;
a.cc:17:20: error: expected primary-expression before '/' token
   17 |           for(ll x / A){
      |                    ^
a.cc:17:23: error: expected ';' before ')' token
   17 |           for(ll x / A){
      |                       ^
      |                       ;
Language: C++

#include <bits/stdc++.h>
using namespace std;
struct Edge {
  ll to;
  ll cost;
};
const ll mx = 1e18;
int main() {
  int N;
  cin >> N;
  vector<ll> A(N);
  REP(i, N) {
    cin >> A[i];
    if (A[i] == 0) {
      cout << 0 << endl;
      return 0;
    }
  }
  ll ans = 1;
  REP(i,N){
    if(mx/A[i]<ans){
      cout << -1 << endl;
      return 0;
    }
    ans *= A[i];
  }
  cout << ans << endl;
}

Compiler output:
a.cc:4:3: error: 'll' does not name a type
    4 |   ll to;
      |   ^~
a.cc:5:3: error: 'll' does not name a type
    5 |   ll cost;
      |   ^~
a.cc:7:7: error: 'll' does not name a type
    7 | const ll mx = 1e18;
      |       ^~
a.cc: In function 'int main()':
a.cc:11:10: error: 'll' was not declared in this scope
   11 |   vector<ll> A(N);
      |          ^~
a.cc:11:12: error: template argument 1 is invalid
   11 |   vector<ll> A(N);
      |            ^
a.cc:11:12: error: template argument 2 is invalid
a.cc:12:7: error: 'i' was not declared in this scope
   12 |   REP(i, N) {
      |       ^
a.cc:12:3: error: 'REP' was not declared in this scope
   12 |   REP(i, N) {
      |   ^~~
a.cc:19:5: error: expected ';' before 'ans'
   19 |   ll ans = 1;
      |     ^~~~
      |     ;
a.cc:27:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   27 |   cout << ans << endl;
      |           ^~~
      |           abs
Language: Java

import java.util.Scanner;
import java.lang.Math;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        long multiple = 1;
        long max = (long) Math.pow(10, 18);
        int size = sc.nextInt();
        for (int i = 0; i < size; i++) {
            long num = sc.nextLong();
            multiple *= num;
        }
        if (multiple => max) {
            System.out.println(-1);
        } else {
            System.out.println(multiple);
        }
    }
}

Compiler output:
Main.java:15: error: illegal start of expression
        if (multiple => max) {
                      ^
1 error
Language: C

#include<stdio.h>
int main(void){
  int i,j,a[INT_MAX],ans=1;
  scanf("%d",&i);
  for(j=0;j<i;j++){
    scanf("%d",a[j]);
  }
  for(j=0;j<i;j++){
    ans*=a[j];
  }
  ans = (ans > 1000000000000000000)? = -1 : ans;
  printf("%d",ans);
return 0;
}  

Compiler output:
main.c: In function 'main':
main.c:3:13: error: 'INT_MAX' undeclared (first use in this function)
    3 |   int i,j,a[INT_MAX],ans=1;
      |             ^~~~~~~
main.c:2:1: note: 'INT_MAX' is defined in header '<limits.h>'; this is probably fixable by adding '#include <limits.h>'
    1 | #include<stdio.h>
  +++ |+#include <limits.h>
    2 | int main(void){
main.c:3:13: note: each undeclared identifier is reported only once for each function it appears in
    3 |   int i,j,a[INT_MAX],ans=1;
      |             ^~~~~~~
main.c:11:38: error: expected expression before '=' token
   11 |   ans = (ans > 1000000000000000000)? = -1 : ans;
      |                                      ^
Language: C

#include<stdio.h>
int time(int n,int ans[k]){
  int i,ans2 = 1;;
  for(i = 0;i < n;i++){
    scanf("%d",ans[i]);
  }
  for(i = 0;i < n;i++){
    ans2 *= ans[i];
  }
  ans2 = ( ans2 > 100000000000000000 )? = -1 : ans2;
  return ans2;
}

int main (void){
  int i,j,ans[];
  scanf("%d",&i);
  for(j = 0;i<i;j++){
    scanf("%d",&ans[j]);
  }
  return 0;
}  


Compiler output:
main.c:2:24: error: 'k' undeclared here (not in a function)
    2 | int time(int n,int ans[k]){
      |                        ^
main.c: In function 'time':
main.c:10:41: error: expected expression before '=' token
   10 |   ans2 = ( ans2 > 100000000000000000 )? = -1 : ans2;
      |                                         ^
main.c: In function 'main':
main.c:15:11: error: array size missing in 'ans'
   15 |   int i,j,ans[];
      |           ^~~
Language: C++

#include<iostream>
using namespace std;
int main{
  int n=0;
  long long m=o;
  int temp=0;
  cin>>n;
  for (int i=0;i<=n;i++){
    cin>>temp;
    m=m*temp;
  }
}

Compiler output:
a.cc:3:5: error: cannot declare '::main' to be a global variable
    3 | int main{
      |     ^~~~
a.cc:4:3: error: expected primary-expression before 'int'
    4 |   int n=0;
      |   ^~~
a.cc:4:3: error: expected '}' before 'int'
a.cc:3:9: note: to match this '{'
    3 | int main{
      |         ^
a.cc:5:15: error: 'o' was not declared in this scope
    5 |   long long m=o;
      |               ^
a.cc:7:3: error: 'cin' does not name a type
    7 |   cin>>n;
      |   ^~~
a.cc:8:3: error: expected unqualified-id before 'for'
    8 |   for (int i=0;i<=n;i++){
      |   ^~~
a.cc:8:16: error: 'i' does not name a type
    8 |   for (int i=0;i<=n;i++){
      |                ^
a.cc:8:21: error: 'i' does not name a type
    8 |   for (int i=0;i<=n;i++){
      |                     ^
a.cc:12:1: error: expected declaration before '}' token
   12 | }
      | ^
Language: C++

#include<iostream>
using namespace std;
int main(){
  int n;
  long a[100000];
  long long m;
  cin>>n;
  for( unsigned int i=0;i<=n;i++){
    cin>>a[i];}
  for(i=0;i<=n;i++){
    m=a[i]*m;
    if(m>=1000000000000000000){
      cout<<-1;
    }
    return m;
  }
  

Compiler output:
a.cc: In function 'int main()':
a.cc:10:7: error: 'i' was not declared in this scope
   10 |   for(i=0;i<=n;i++){
      |       ^
a.cc:16:4: error: expected '}' at end of input
   16 |   }
      |    ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: Java

import java.util.Scanner;
 import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n=sc.nextInt();Double a[]=new Double[n];
      Double p=1;
      for(int i=0;i<n;i++)
      {
     a[i]=sc.nextDouble();
        p=p*a[i];
      }
     if(Math.max(p,Math.pow(10,18))!=p)
     {
       System.out.println("-1");
     }
      else
        System.out.println(p);
    }
}

Compiler output:
Main.java:7: error: incompatible types: int cannot be converted to Double
      Double p=1;
               ^
1 error
Language: Java

import java.util.Scanner;
 import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n=sc.nextInt();Double a[]=new Double[n];
      for(int i=0;i<n;i++)
      {
     a[i]=sc.nextDouble();
        p=p*a[i];
      }
     if(Math.max(p,Math.pow(10,18))!=p)
     {
       System.out.println("-1");
     }
      else
        System.out.println(p);
    }
}

Compiler output:
Main.java:10: error: cannot find symbol
        p=p*a[i];
        ^
  symbol:   variable p
  location: class Main
Main.java:10: error: cannot find symbol
        p=p*a[i];
          ^
  symbol:   variable p
  location: class Main
Main.java:12: error: cannot find symbol
     if(Math.max(p,Math.pow(10,18))!=p)
                 ^
  symbol:   variable p
  location: class Main
Main.java:12: error: cannot find symbol
     if(Math.max(p,Math.pow(10,18))!=p)
                                     ^
  symbol:   variable p
  location: class Main
Main.java:17: error: cannot find symbol
        System.out.println(p);
                           ^
  symbol:   variable p
  location: class Main
5 errors
Language: C++

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

int main() {
  int n;
  cin >> n;
  ll ans = 1;
  bool ng = false;
  rep(i,n) {
    ll a;
    cin >> a;
    if (a == 0) {
      cout << 0 << endl;
      return 0;
    }
    if (ng || (MX+1)/ans < a || ans*a > MX) {
      ng = true;
    }
    ans *= a;
  }
  if (ng) cout << -1 << endl;
  else cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:16: error: 'MX' was not declared in this scope
   19 |     if (ng || (MX+1)/ans < a || ans*a > MX) {
      |                ^~