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

#include <bits/stdc++.h>
#define ll long long double
using namespace std;
int main()
{
    ll n;
    cin>>n;
    ll res=1;
    ll ar[n];
    for(auto i=0;i<n;++i)
    {
        cin>>ar[i];
        if(ar[i]==0)
        {
            cout<<"0";
            return 0;
        }
    }
    for(auto i=0;i<n;++i)
    {
        res*=ar[i];
        if(res>1000000000000000000)
        {
            cout<<"-1";
            return 0;
        }
    }
    cout<<res;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:17: error: 'long long' specified with 'double'
    2 | #define ll long long double
      |                 ^~~~
a.cc:6:5: note: in expansion of macro 'll'
    6 |     ll n;
      |     ^~
a.cc:2:17: error: 'long long' specified with 'double'
    2 | #define ll long long double
      |                 ^~~~
a.cc:8:5: note: in expansion of macro 'll'
    8 |     ll res=1;
      |     ^~
a.cc:2:17: error: 'long long' specified with 'double'
    2 | #define ll long long double
      |                 ^~~~
a.cc:9:5: note: in expansion of macro 'll'
    9 |     ll ar[n];
      |     ^~
a.cc:9:11: error: conversion from 'double' to 'long unsigned int' in a converted constant expression
    9 |     ll ar[n];
      |           ^
a.cc:9:11: error: could not convert 'n' from 'double' to 'long unsigned int'
    9 |     ll ar[n];
      |           ^
      |           |
      |           double
a.cc:9:11: error: size of array 'ar' has non-integral type 'double'
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
using Graph = vector<vector<int>>;
using ll = long long;


int main() {
    ll n; cin>>n;
    vector<ll> a;
    ll max=1000000000000000000
    ll ans=1;
    rep(i,n){
        cin>>a.at(i);
    }
    rep(i,n){
        if(a.at(i)==0){
            cout<<0<<endl;
            break;
        }
        if(a.at(i)>max/ans){
            cout<<-1<<endl;
            break;
        }
        else{
            ans*=a.at(i);
        }
    }
    cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:5: error: expected ',' or ';' before 'll'
   13 |     ll ans=1;
      |     ^~
a.cc:22:24: error: 'ans' was not declared in this scope; did you mean 'abs'?
   22 |         if(a.at(i)>max/ans){
      |                        ^~~
      |                        abs
a.cc:30:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   30 |     cout<<ans<<endl;
      |           ^~~
      |           abs
Language: C

#include <stdio.h>
#include <stdlib.h>
int main(void) {
	int n;
	long  a;
	long long long sum = 1;
	scanf("%d",&n);
	for(int i=0;i<n;i++){
		scanf("%ld",&a);
		sum = sum * a;
	}
	if(sum<= 1000000000000000000){//10^18を超えてなかったら
		printf("%llld",sum);
	}else{
		printf("-1");
	}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:19: error: 'long long long' is too long for GCC
    6 |         long long long sum = 1;
      |                   ^~~~
Language: Java

import java.util.Scanner;

public class ProblemB {
	public static void main(String args[]) {
		Scanner scan = new Scanner(System.in);
		int count = scan.nextInt();
		long sum = 1;
		long max = (long) Math.pow(10, 18);

		if( count >= 2) {
		for(int i = 0 ; i < count ; i++) {
			long value = scan.nextLong();
			sum *= value;
			}
		}
		scan.close();
		if(sum <= max) System.out.println(sum);
		else System.out.println(-1);
	}
}


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

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

int main() {
  int N, A=1, a;
  cin >> N;
  for(i=0; i<N; i++){
	cin >> a;
    A=A*a;
      if(A>1000000000000000000){
        cout << "-1" << endl;
        break;
      }
  }
  if(A<=1000000000000000000)
    cout << A << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:7: error: 'i' was not declared in this scope
    9 |   for(i=0; i<N; i++){
      |       ^
Language: C++

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

int main() {
  int N, A=1, a;
  cin >> N;
  for(i=0; i<N; i++){
	cin >> a;
    A=A*a;
      if(A>1000000000000000000){
        cout << '-1' << endl;
        break;
      }
  }
  if(A<=1000000000000000000)
    cout << A << endl;
}


Compiler output:
a.cc:13:17: warning: multi-character character constant [-Wmultichar]
   13 |         cout << '-1' << endl;
      |                 ^~~~
a.cc: In function 'int main()':
a.cc:9:7: error: 'i' was not declared in this scope
    9 |   for(i=0; i<N; i++){
      |       ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int a;
  cin >> a;
  int x = {};
  for(int i = 0; i< a; i++){
	cin >> x[i];
  }
  int mul= 1;
  for(int j =0; j< a; j++){
    mul = mul*x[j];
  }
  if(mul > 10^8){
    cout << -1;
  }
  else{
    cout << mul;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: invalid types 'int[int]' for array subscript
    8 |         cin >> x[i];
      |                 ^
a.cc:12:16: error: invalid types 'int[int]' for array subscript
   12 |     mul = mul*x[j];
      |                ^
Language: C++

#include<bits.stdc++.h>
using namespace std;
int main(){
  int a;
  cin >> a;
  int x = {};
  for(int i = 0; i< a; i++){
	cin >> x[i];
  }
  int mul= 1;;
  for(int j =0; j< a; j++){
    mul = mul*x[j];
  }
  if(mul > 10^8){
    cout << -1;
  }
  else{
    cout << mul;
  }
  return 0;
}

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

#include<bits/stdc++.h>
using namespace std;
int main(){
  int a;
  cin >> a;
  int x = {}
  for(int i = 0; i< a; i++){
	cin >> x[i];
  }
  int mul= 1;;
  for(int j =0; j< a; j++){
    mul = mul*x[j];
  }
  if(mul > 10^8){
    cout << -1;
  }
  else{
    cout << mul;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: expected ',' or ';' before 'for'
    7 |   for(int i = 0; i< a; i++){
      |   ^~~
a.cc:7:18: error: 'i' was not declared in this scope
    7 |   for(int i = 0; i< a; i++){
      |                  ^
a.cc:12:16: error: invalid types 'int[int]' for array subscript
   12 |     mul = mul*x[j];
      |                ^
Language: C++

#include<bits.stdc++.h>
using namespace std;
int main(){
  int a;
  cin >> a;
  int x = {}
  for(int i = 0; i< a; i++){
	cin >> x[i];
  }
  int mul= 1;;
  for(int j =0; j< a; j++){
    mul = mul*x[j];
  }
  if(mul > 10^8){
    cout << -1;
  }
  else{
    cout << mul;
  }
  return 0;
}

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

#include<bits/stdc++.h>
 using  namespace  std; 
#define int long long 
int32_ t  main()
{
 int n, m,s1=0,k=1e18; cin>>n; 
 int a[n];
 for(i=0;i<n;i++)
 {
  cin>>a[i];if(a[i]==0) s1++;}
 if(s1>0) cout<<"0";
else 
{
  int p=1;bool hi=true;
 for(i=0;i<n;i++)
 {
   p=a[i]*p; 
 if(p>k){ hi=false;break;}
}
 if(hi) cout<<p; 
 else cout<"-1";}
}


Compiler output:
a.cc:4:1: error: 'int32_' does not name a type; did you mean 'int32_t'?
    4 | int32_ t  main()
      | ^~~~~~
      | int32_t
Language: C++

#include <iostream>
#include <math.h>
#include <vector>

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

using namespace std;

void main(){
	long long n;
	long long sum = 1;
	cin >> n;
	vector<long long> a(n);
	rep(i, n){
		cin >> a[i];
		sum *= a[i];
		if(sum > 1000000000000000000){
			cout << -1 << endl;
			return;
		}
	}
	cout << sum << endl;
}

Compiler output:
a.cc:9:1: error: '::main' must return 'int'
    9 | void main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:19:25: error: return-statement with no value, in function returning 'int' [-fpermissive]
   19 |                         return;
      |                         ^~~~~~
Language: C++

#include <iostream>
#include <vector>
#include <unordered_map>
#include <unordered_set>
#include <math.h>
using namespace std;
int main() {
    int n;
    cin>>n;
    if(n==0) return;
    vector<int> t;
    long max_num = (long)pow(10, 18);
    while(n--){
        int a;
        cin>>a;
        t.push_back(a);
    }
    long ans = 1;
    for(auto i : t){
        ans = ans * i;
        if (ans >= max_num){
            ans = -1;
            break;
        }
    }
    cout<<ans<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:14: error: return-statement with no value, in function returning 'int' [-fpermissive]
   10 |     if(n==0) return;
      |              ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin >> n;
  vector<int64_t> vec(n);
  for(int i=0; i<n; i++){
    cin >> vec.at(i);
    if(vec.at(i)==0){
      cout << 0 << endl;
      return 0;
  }
  int64_t ans=1;
   for(int i=0; i<n; i++){
     ans *= vec.at(i);
     if(ans > 1000000000000000000){
       cout << -1 << endl;
       return 0;
     }
   }
  cout << ans << endl;
}

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

#include <stdio.h>
#include <math.h>
int main(void)
{
    int n, flag = 0;
    unsigned long long a, mul = 1;
    unsigned long long ulimit = pow(10.0, 18.0);
    scanf_s("%d", &n);
    for (int i = 0; i < n; i++) {
        scanf_s("%llu", &a);
        if (mul > (ulimit / a)) {
            mul = -1;
            break;
        }
        mul *= a;
    }
    printf("%llu", mul);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
    8 |     scanf_s("%d", &n);
      |     ^~~~~~~
      |     scanf
Language: C++

#include <stdio.h>
int main(void)
{
  int n;
  longa, mul=1;
  scanf("%d", &n);
  for(int i=0; i<n; i++){
  	scanf("%ld", &a);
    mul*=a;
    if(mul > (int)pow(10.0, 18.0)){
      mul = -1;
      break;
    }
  }
  printf("%ld", mul);
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'longa' was not declared in this scope; did you mean 'long'?
    5 |   longa, mul=1;
      |   ^~~~~
      |   long
a.cc:5:10: error: 'mul' was not declared in this scope
    5 |   longa, mul=1;
      |          ^~~
a.cc:8:23: error: 'a' was not declared in this scope
    8 |         scanf("%ld", &a);
      |                       ^
a.cc:10:19: error: 'pow' was not declared in this scope
   10 |     if(mul > (int)pow(10.0, 18.0)){
      |                   ^~~
Language: C++

#include <stdio.h>
int main(void)
{
  int n;
  long a, mul=1;
  scanf("%d", &n);
  for(int i=0; i<n; i++){
  	scanf("%ld", &a);
    mul*=a;
    if(mul > (int)pow(10.0, 18.0)){
      mul = -1;
      break;
    }
  }
  printf("%ld", mul);
  return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:10:19: error: 'pow' was not declared in this scope
   10 |     if(mul > (int)pow(10.0, 18.0)){
      |                   ^~~
a.cc:16:12: error: expected '}' at end of input
   16 |   return 0;
      |            ^
a.cc:3:1: note: to match this '{'
    3 | {
      | ^
Language: C++

#include <stdio.h>
int main(void)
{
  int n, a, mul=1;
  scanf("%d", &n);
  for(int i=0; i<n; i++){
  	scanf("%d", &a);
    mul*=a;
    if(mul > (int)pow(10.0, 18.0)){
      mul = -1;
      break;
    }
  }
  printf("%d", mul);
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:19: error: 'pow' was not declared in this scope
    9 |     if(mul > (int)pow(10.0, 18.0)){
      |                   ^~~
Language: C++

#innclude<iostream>
#define mo 1e18

using std::cout;
using std::cin;

int main(){
  long long n,t;
  long long sum =0;
  //vector<long long>v(n);
  cin>>n;
  for(long long i =0;i<n;i++){
    cin>>t;
    sum += t;
    
  }
  cout<<sum;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #innclude; did you mean #include?
    1 | #innclude<iostream>
      |  ^~~~~~~~
      |  include
a.cc:4:12: error: 'cout' has not been declared in 'std'
    4 | using std::cout;
      |            ^~~~
a.cc:5:12: error: 'cin' has not been declared in 'std'
    5 | using std::cin;
      |            ^~~
a.cc: In function 'int main()':
a.cc:11:3: error: 'cin' was not declared in this scope
   11 |   cin>>n;
      |   ^~~
a.cc:17:3: error: 'cout' was not declared in this scope
   17 |   cout<<sum;
      |   ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int N,sum;
  sum=1;
  cin >> N;
  vector<int> a(N);
  for(int i=0;i<N;i++){
    cin >> a(i);
    sum=sum*a(i);
  }
  if(sum>1000000000000000000){
    cout << "-1";
  }
  else{
    cout << sum;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:13: error: no match for call to '(std::vector<int>) (int&)'
    9 |     cin >> a(i);
      |            ~^~~
a.cc:10:14: error: no match for call to '(std::vector<int>) (int&)'
   10 |     sum=sum*a(i);
      |             ~^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main(){
	int n;
	cin >> n;
	int a[n];
    double m=1;
	for(int i=0; i<n; i++){ 
      cin >> a[i];
      m*=a[i];
    }
  if(m>pow(10.0,18.0)
    cout<<-1;
  cout<<m;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:22: error: expected ';' before 'cout'
   13 |   if(m>pow(10.0,18.0)
      |                      ^
      |                      ;
   14 |     cout<<-1;
      |     ~~~~              
a.cc:15:10: error: expected ')' before ';' token
   15 |   cout<<m;
      |          ^
      |          )
a.cc:13:5: note: to match this '('
   13 |   if(m>pow(10.0,18.0)
      |     ^
Language: C++

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

int main(){
	int n;
	cin >> n;
	int a[n],m;
    m=1;
	for(int i=0; i<n; i++){ 
      cin >> a[i];
      m*=a[i]
    }
  if(m>10^18)
    cout<<-1;
  cout<<m;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:14: error: expected ';' before '}' token
   11 |       m*=a[i]
      |              ^
      |              ;
   12 |     }
      |     ~
Language: C++

#include<stdio.h>
long long a[100010];
int main(){
int n;
scanf("%d",&n);
for(int i=0;i<n;i++)scanf("%lld",&a[i]);
int zero=0;
2
for(int i=0;i<n;i++)if(a[i]==0)zero++;
if(zero>0){
// a[i] contains 0
printf("0\n");
return 0;
}
long long prod=1;
for(int i=0;i<n;i++){
if(a[i]<=1000000000000000000/prod){
// This condition is equivalent to prod*a[i]<=10ˆ18
prod*=a[i];
}else{
printf("-1\n");
return 0;
}
}
printf("%lld\n",prod);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:2: error: expected ';' before 'for'
    8 | 2
      |  ^
      |  ;
    9 | for(int i=0;i<n;i++)if(a[i]==0)zero++;
      | ~~~
a.cc:9:13: error: 'i' was not declared in this scope
    9 | for(int i=0;i<n;i++)if(a[i]==0)zero++;
      |             ^
Language: C

#include <bits/stdc++.h>
using namespace std;
int main() {
  int64_t a = 2000000000;
  int64_t b = a * 2;
  cout << b << 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++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int n;
  cin>>n;
  long long sol=1;
  for(int i=0;i<n;i++)
  {
    int x;
    cin>>x;
    bool flag=0;
    sol=sol*x;
    if(sol>1e18)
    {
      cout<<"-1"<<endl;
      flag=1;
      break;
    }
  }
  if(!flag)
    cout<<sol<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:7: error: 'flag' was not declared in this scope
   21 |   if(!flag)
      |       ^~~~
Language: C++

#include <bits/stdc++.h>
#include <string>
#include <math.h>
using namespace std;
int main()
{
  long a=0,b=1,c=0,d=0,e=0,f=0,i=0,j=0;
  int sum=0,num=0,count=0,ans=0,min=0,max=0;
  double d1=0,d2=0,d3=0,d4=0,d5=0,d6=0;
  int a1[999999],a2[999999],a3[999999];
  string s1,s2,s3;
  
  cin>>a;
  for(i=0;i<a;i++) cin>>a1[i], b*=a1[i];
  if(a1<=1000000000000000000) cout<<b<<endl;
  else cout<<"-1"<<endl;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:15:8: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   15 |   if(a1<=1000000000000000000) cout<<b<<endl;
      |      ~~^~~~~~~~~~~~~~~~~~~~~
Language: C

#include <stdio.h>

long long a[10010];

int main()
{
	int n;
	scanf("%d",&n);
	
	for (int i=0; i<n; ++i)
		scanf("%lld",&a[i]);
	
	int zero=0;
	
	for (int i=0; i<n; ++i)
		if(a[i]==0)
			zero++;	
	
	if (zero>0)
	{
		printf("0\n");
		return 0;
	}
	
	long long prod=1;
	for (int i=0; i<n; ++i)
	{
		if(a[i]<=1000000000000000000/prod)
			prod *= a[i];
		else
		{
			cout << -1;
			return 0;
		}
	}
	
	printf("%lld\n",prod);
}

Compiler output:
main.c: In function 'main':
main.c:32:25: error: 'cout' undeclared (first use in this function)
   32 |                         cout << -1;
      |                         ^~~~
main.c:32:25: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>
using namespace std;

long long a[10010];

int main()
{
	int n;
	scanf("%d",&n);
	
	for (int i=0; i<n; ++i)
		scanf("%lld",&a[i]);
	
	int zero=0;
	
	for (int i=0; i<n; ++i)
		if(a[i]==0)
			zero++;	
	
	if (zero>0)
	{
		printf("0\n");
		return 0;
	}
	
	long long prod=1;
	for (int i=0; i<n; ++i)
	{
		if(a[i]<=1000000000000000000/prod)
			prod *= a[i];
		else
		{
			cout << -1;
			return 0;
		}
	}
	
	printf("%lld\n",prod);
}

Compiler output:
main.c:2:1: error: unknown type name 'using'
    2 | using namespace std;
      | ^~~~~
main.c:2:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'std'
    2 | using namespace std;
      |                 ^~~
main.c: In function 'main':
main.c:33:25: error: 'cout' undeclared (first use in this function)
   33 |                         cout << -1;
      |                         ^~~~
main.c:33:25: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

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

#define ll long long
#define ar array
#define fo(i,n) for(i=0;i<n;i++)
#define fok(i,k,n) for(i=k;i<n;i++)

//const double PI=acos(-1); 
#define vint vector<int>
#define vfloat vector<float>

#define pb push_back

const long long mod=1e9;

#define PI 3.14159 
#define vint vector<int>
#define vfloat vector<float>

const unsigned ll size=1000000000000000000;

void solve(){
	unsigned ll in,ans=0,mul=1;
  
  	int n;
  cin>>n;
  for(int i=0;i<n;i++)
  {
    cin>>in;
    mul*=in;
    
    if(mul>size)
      ans=-1;
  }
  
  if(ans==0)
    ans=mul;
  cout<<ans;
				
}

int main(int argc, char const *argv[])
{
	//cout<<"changed\n";
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	ll t=1;
	//cin>>t;

	while(t--)
	{	
		solve();

	}	
	return 0;	
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:33:12: error: reference to 'size' is ambiguous
   33 |     if(mul>size)
      |            ^~~~
In file included from /usr/include/c++/14/string:53,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/range_access.h:272:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  272 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/14/bits/range_access.h:262:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  262 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
a.cc:21:19: note:                 'const long long unsigned int size'
   21 | const unsigned ll size=1000000000000000000;
      |                   ^~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
typedef  long long ll;
typedef unsigned long long ull;
template<typename T>
void fin (T a){
    cout<<a<<endl;
    exit(0);
}

const long long INF = 1e18;

int main(){
    int n;cin>>n;
    vector<int> v(n);
    rep(i,n) cin>> a[i];
    sort(a.begin(),a.end());
    if(!a[0]) fin(0);
    int ans = 1;
    rep(i,n){
        if(INF/ans+100<a[i])fin(-1);
        ans *=a[i];
        if (ans> INF)fin(-1);
    }
    fin(ans);


}
/*
int main() {
    int n;
    cin >> n;
    ull ans=1;
//    int cnt=0;
    ull ref = pow(10,18);

    ull realans=10;
    rep(i,n){
        ull tmp;
        ull oldans = ans;
        cin>>tmp;
        ans *=tmp;
        if(ans>ref){
            realans = 2;
        }
        if(tmp==0){
            realans=0;
            break;
        }
        if (ans/tmp != oldans) {
            realans=2;
            //ここにbreakを入れてたのがミス！！！！！！！！！！！！
        }
    }

    switch(realans){
        case 2:
            cout<<-1<<endl;
            break;
        case 0:
            cout<<0<<endl;
            break;
        case 10:
            cout<<ans<<endl;
            break;

    }
    return 0;
}
*/


Compiler output:
a.cc: In function 'int main()':
a.cc:17:20: error: 'a' was not declared in this scope
   17 |     rep(i,n) cin>> a[i];
      |                    ^
a.cc:18:10: error: 'a' was not declared in this scope
   18 |     sort(a.begin(),a.end());
      |          ^
Language: C++

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

const ll max = 1e18;

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

Compiler output:
a.cc: In function 'int main()':
a.cc:19:13: error: reference to 'max' is ambiguous
   19 |         if (max/res < a) {
      |             ^~~
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;
      |          ^~~
Language: Java

import java.util.*;

class Main{
	public static void main(String[] args){
		Scanner scn = new Scanner(System.in);
      	int n = scn.nextInt();
      	int ans = 1;
      	for(int i = 0; i<n; i++){
          ans = ans*scn.nextInt();
          if(ans >= 10^8){
            System.out.println("-1");
            return;
          }
        }
      System.out.println(ans);
	}
}



Compiler output:
Main.java:10: error: bad operand types for binary operator '^'
          if(ans >= 10^8){
                      ^
  first type:  boolean
  second type: int
1 error
Language: C++

/*
我的心脏怦怦跳，监管者就在附近
name:
Algorithm:
writer:Lxs(cdx)
place:
nothing is impossible
*/
#pragma GCC optimize(3,"Ofast","inline")
#include<bits/stdc++.h>
#include<string>
#include<iostream>
#include<cmath>
#include<set>
#include<stack>
#include<queue>
#include<unistd.h>
#include<stdio.h>
#include<cstring>
#define random(a,b) (rand()%(b-a+1)+a)
using namespace std;
bool prime(int x){
	 int i;
	 if(x<2) return 0;
	 for(i=2;i*i<=x;i++){
		if(x%i==0){return 0;}
	 }
	 return 1;
}
unsigned long long a[100001]; 
unsigned long long s=1;
int main()
{
	int n;
	cin>>n;
	for(i=0;i<n;i++){
		cin>>a[i];
		s*=a[i];
		if(s>pow(10,18)){
		cout<<-1<<endl;
		return 0;
	}
	}
	cout<<s<<endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:36:13: error: 'i' was not declared in this scope
   36 |         for(i=0;i<n;i++){
      |             ^
Language: C++

/*
我的心脏怦怦跳，监管者就在附近
name:
Algorithm:
writer:Lxs(cdx)
place:
nothing is impossible
*/
#pragma GCC optimize(3,"Ofast","inline")
#include<bits/stdc++.h>
#include<string>
#include<iostream>
#include<cmath>
#include<set>
#include<stack>
#include<queue>
#include<unistd.h>
#include<stdio.h>
#include<cstring>
#define random(a,b) (rand()%(b-a+1)+a)
using namespace std;
bool prime(int x){
	 int i;
	 if(x<2) return 0;
	 for(i=2;i*i<=x;i++){
		if(x%i==0){return 0;}
	 }
	 return 1;
}
unsigned long long a[100001]; 
unsigned long long s=1;
int main()
{
	int n;
	for(i=0;i<n;i++){
		cin>>a[i];
		s*=a[i];
	}
	if(s>pow(10,18)){
		cout<<-1<<endl;
	}
	else cout<<s<<endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:35:13: error: 'i' was not declared in this scope
   35 |         for(i=0;i<n;i++){
      |             ^
Language: Java

import java.util.Scanner;
public class Main {
	public static void main(String args[]) {
		Scanner scan = new Scanner(System.in);
      
        int N = scan.nextInt();
      	long ans = 1;
		for(int i = 0; i < N; i++){
        	ans *= (long)scan.nextInt();
        }
      	if(Long.parseLong(Long.toString(ans).length())) < 18){
        	System.out.println(ans);
        }else{
          	System.out.println(-1);
        }
      	
    }
}

Compiler output:
Main.java:11: error: illegal start of type
      	if(Long.parseLong(Long.toString(ans).length())) < 18){
      	                                                  ^
Main.java:13: error: 'else' without 'if'
        }else{
         ^
2 errors
Language: Java

import java.util.Scanner;
public class Main {
	public static void main(String args[]) {
		Scanner scan = new Scanner(System.in);
      
        int N = scan.nextInt();
      	long ans = 1;
		for(int i = 0; i < N; i++){
        	ans *= (long)scan.nextInt();
        }
      	if(Integer.parseInt(Integer.toString(ans).length())) < 18){
        	System.out.println(ans);
        }else{
          	System.out.println(-1);
        }
      	
    }
}

Compiler output:
Main.java:11: error: illegal start of type
      	if(Integer.parseInt(Integer.toString(ans).length())) < 18){
      	                                                       ^
Main.java:13: error: 'else' without 'if'
        }else{
         ^
2 errors
Language: Java

import java.util.Scanner;
public class Main {
	public static void main(String args[]) {
		Scanner scan = new Scanner(System.in);
      
        int N = scan.nextInt();
      	long ans = 1;
		for(int i = 0; i < N){
        	ans *= (long)scan.nextInt();
        }
      	if(Integer.parseInt(Integer.toString(ans).length())) < 18){
        	System.out.println(ans);
        }else{
          	System.out.println(-1);
        }
      	
    }
}

Compiler output:
Main.java:8: error: ';' expected
		for(int i = 0; i < N){
		                    ^
Main.java:11: error: illegal start of type
      	if(Integer.parseInt(Integer.toString(ans).length())) < 18){
      	                                                       ^
Main.java:13: error: 'else' without 'if'
        }else{
         ^
3 errors
Language: C++

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

#define ll long long int
#define endl "\n"
#define mod 1000000007
#define maxN 200005


int main()
{

	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);

	ll n,ans=1,target=1000000000000000000,x;
	cin>>n;
	for(ll i=0;i<n;i++){
		cin>>x;
		ans=ans*x;
		if(ans>target){
			ans=-1
			break;
		}
	}
	cout<<ans<<endl;


	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:31: error: expected ';' before 'break'
   23 |                         ans=-1
      |                               ^
      |                               ;
   24 |                         break;
      |                         ~~~~~
Language: C

#include <stdio.h>

int main(void) {
    long long int n = 1000000000000000000, N;
    long long int sum = 1;
    scanf("%lld", &N);
    long long int a[N];
    for(int i = 1; i <= N; i++) {
        scanf("%lld", &a[i]);
        if(a[i] == 0) {
            sum = 0;
        }
    }

    for(int i = 1; i <= N; i++) {
        if(a[i] == 0) {
            sum = 0;
            break;
        }
        else if(c/a[i] < sum) {
            printf("-1\n");
            break;
        }
        else {
            sum *= a[i];
        }
    }
    printf("%lld\n", sum);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:20:17: error: 'c' undeclared (first use in this function)
   20 |         else if(c/a[i] < sum) {
      |                 ^
main.c:20:17: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

import sys 

input=sys.stdin.readline 

def main():
	n=int(input().strip())
	a=list(map(int,input().strip().split()))
	result =1
	LIMIT =10**18
	if 0 in a:
		print(0)
		sys.exit
	for i in a:
		result *=i
		if result >LIMIT:
			print(-1)
			sys.exit()
		print(result)

if __name__=='__main__':
	main()

Compiler output:
a.cc:20:14: warning: multi-character literal with 8 characters exceeds 'int' size of 4 bytes
   20 | if __name__=='__main__':
      |              ^~~~~~~~~~
a.cc:1:1: error: 'import' does not name a type
    1 | import sys
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

#include <bits/stdc++.h>
#define ll long long
using namespace std;
int main(){
    int n;
    cin >> n;
    ll aux, ans = 1;
    bool sw = 0. sw2 = 0;
    for(int i = 0; i < n; i++){
        cin >> aux;
        if(aux == 0)
            sw = 1;
        ans *= aux;
        if(ans > 1000000000000000000 || ans < 0){
            sw2 = 1;
        }
    }
    if(sw){
        cout << "0\n";
        return 0;
    }else if(sw2){
        cout << "-1\n";
        return 0;
    }
    cout << ans << "\n";

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:18: error: expected ',' or ';' before 'sw2'
    8 |     bool sw = 0. sw2 = 0;
      |                  ^~~
a.cc:15:13: error: 'sw2' was not declared in this scope; did you mean 'sw'?
   15 |             sw2 = 1;
      |             ^~~
      |             sw
a.cc:21:14: error: 'sw2' was not declared in this scope; did you mean 'sw'?
   21 |     }else if(sw2){
      |              ^~~
      |              sw
Language: C++

//keep trying :)
#include <bits/stdc++.h>
#define float long double
#define int long long
#define ll long long
#define PB push_back
#define MP make_pair
#define ss second
#define ff first
#define PI 3.14159265
#define MXX 9*(1e18)
#define fastrack ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
using namespace std;
void PT(int a);
void PT1(int a);
const int M = 3*(1e5) + 7, mod = 1e9 + 7;
const int inf = 1000000000000000000;

bool check(int a, int b){
    int x = log10(a)
    int y = log10(b);
    if(x + y > 18)
        return 1;
    else
        return 0;
}

signed main(){
    fastrack;
    //int tt; cin >> tt; while(tt--)
    {
        int n;
        cin >> n;
        int a[n + 5] = {};
        for(int i = 1; i <= n; i++)
            cin >> a[i];
        sort(a + 1, a + n + 1);
        int ans = 1;
        for(int i = 1; i <= n; i++){
            if(check(ans, a[i]))
                return cout << -1, 0;
            else
                ans *= a[i];
        }
        if(ans > (int)1e18)
            cout << -1 << "\n";
        else
            cout << ans << "\n";
    }
    return 0;
}

void PT(int a){
    cout << a << "\n";
}

void PT1(int a){
    cout << a << " ";
}


Compiler output:
a.cc: In function 'bool check(long long int, long long int)':
a.cc:4:13: error: expected ',' or ';' before 'long'
    4 | #define int long long
      |             ^~~~
a.cc:21:5: note: in expansion of macro 'int'
   21 |     int y = log10(b);
      |     ^~~
a.cc:22:12: error: 'y' was not declared in this scope
   22 |     if(x + y > 18)
      |            ^
a.cc:20:20: warning: control reaches end of non-void function [-Wreturn-type]
   20 |     int x = log10(a)
      |                    ^
Language: C++

def solve():
    N = int(input())
    A = list(map(int, input().split()))
    if 0 in A:
        print(0)
        return
    ans = 1
    for i in range(len(A)):
        ans *= A[i]
        if ans > 1000000000000000000:
            print(-1)
            return
    print(ans)
    return


solve()

Compiler output:
a.cc:1:1: error: 'def' does not name a type
    1 | def solve():
      | ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
int n,i;
long long int  cnt=1,x,y=pow(10,18);
cin>>n;
for(i=0;i<n;i++)
{
cin>>x;
if(x==0)
{
cout<<0;
exit(0);
}
if(x<=y/cnt)
cnt*=x;
else
{
cout<<-1;
exit(0);
}
cout<<cnt;
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:2: error: expected '}' at end of input
   25 | }
      |  ^
a.cc:4:1: note: to match this '{'
    4 | {
      | ^
Language: C++

#include <iostream>
#include<bits/stdc++.h>
using namespace std;
#define fast  ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define int long long


int32_t main(){
	fast;
	int n;
	cin>>n;
	int a[n],prod=1,zero;
	for(i=0;i<n;i++){
		cin>>a[i];
		if(a[i]==0) zero++;
	}
	if(zero>0) cout<<0<<endl;
	else{
		for(i=0;i<n;i++){
			prod*=a[i];
	}
	}
	cout<<prod<<endl;
}


Compiler output:
a.cc: In function 'int32_t main()':
a.cc:13:13: error: 'i' was not declared in this scope
   13 |         for(i=0;i<n;i++){
      |             ^
a.cc:19:21: error: 'i' was not declared in this scope
   19 |                 for(i=0;i<n;i++){
      |                     ^
Language: Java

import java.util.*; 
import java.math.*;
public class Main {
	public static void main(String[] args){ 
     BigInteger f = new BigInteger("1");
     int n = sc.nextInt(); 
      Scanner sc = new Scanner(System.in);
      while(n-->0) 
      { 
      int c = sc.nextInt();  
      f=f.multiply(BigInteger.valueOf(c));
      } 
    if(f>(Math.pow(10,18))) 
    {
    System.out.print("-1");
    } 
      else 
      {
      System.out.print(f);
      }
    }}

Compiler output:
Main.java:6: error: cannot find symbol
     int n = sc.nextInt(); 
             ^
  symbol:   variable sc
  location: class Main
Main.java:13: error: bad operand types for binary operator '>'
    if(f>(Math.pow(10,18))) 
        ^
  first type:  BigInteger
  second type: double
2 errors
Language: Java

import java.util.*; 
import java.math.*;
public class Main {
	public static void main(String[] args){ 
     BigInteger f = new BigInteger("1");
     int n = sc.nextInt(); 
      
      while(n-->0) 
      { 
      int c = sc.nextInt();  
      f=f.multiply(BigInteger.valueOf(c));
      } 
    if(f>(Math.pow(10,18))) 
    {
    System.out.print("-1");
    } 
      else 
      {
      System.out.print(f);
      }
    }}

Compiler output:
Main.java:6: error: cannot find symbol
     int n = sc.nextInt(); 
             ^
  symbol:   variable sc
  location: class Main
Main.java:10: error: cannot find symbol
      int c = sc.nextInt();  
              ^
  symbol:   variable sc
  location: class Main
Main.java:13: error: bad operand types for binary operator '>'
    if(f>(Math.pow(10,18))) 
        ^
  first type:  BigInteger
  second type: double
3 errors
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){ 
     BigInteger f = new BigInteger("1");
     int n = sc.nextInt(); 
      
      while(n-->0) 
      { 
      int c = sc.nextInt();  
      f=f.multiply(BigInteger.valueOf(c));
      } 
    if(f>(Math.pow(10,18))) 
    {
    System.out.print("-1");
    } 
      else 
      {
      System.out.print(f);
      }
    }}

Compiler output:
Main.java:4: error: cannot find symbol
     BigInteger f = new BigInteger("1");
     ^
  symbol:   class BigInteger
  location: class Main
Main.java:4: error: cannot find symbol
     BigInteger f = new BigInteger("1");
                        ^
  symbol:   class BigInteger
  location: class Main
Main.java:5: error: cannot find symbol
     int n = sc.nextInt(); 
             ^
  symbol:   variable sc
  location: class Main
Main.java:9: error: cannot find symbol
      int c = sc.nextInt();  
              ^
  symbol:   variable sc
  location: class Main
Main.java:10: error: cannot find symbol
      f=f.multiply(BigInteger.valueOf(c));
                   ^
  symbol:   variable BigInteger
  location: class Main
5 errors
Language: C

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int main() {
long long n;
cin >> n;
long long res = 1;
while (n--)
{
    long long x;
    cin >>x;
    res *= x;
}
if (res >= pow(10,18))
    cout << -1;
else
    cout << res;
}


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

#include<iostream>
#include<vector>
#define int long long
using namespace std;

signed main(){
    int max=1e18;    
    int N;
    cin>>N;
    vector<int> A(N);  
    int ans=1;
    for(int i=0;i<N;i++){
        cin>>A[i];
        if(A[i]==0){
            cout<<0<<endl;
            return 0;
        }
    }
    for(int i=0;i<N;i++){
        if(A[i]>max/ans){
            cout<<-1<<endl;
            return 0;
        }
        ans*=A[i];
    }
    else cout<<ans<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:5: error: 'else' without a previous 'if'
   26 |     else cout<<ans<<endl;
      |     ^~~~
Language: C++

#include<iostream>
#include<vector>
#define int long long
using namespace std;

signed main(){
    int max=1e18;    
    int N;
    cin>>N;
    vector<int> A(N);  
    int ans=1;
    bool f=false;
    for(int i=0;i<N;i++){
        cin>>A[i];
        if(A[i]==0){
            cout<<0<<endl;
            return 0;
        }
        if(A[i]>max/ans){
            f=true;
            break;
        }
        ans*=A[i];
    }
    if(f)cout<<-1<,endl;
    else cout<<ans<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:19: error: expected primary-expression before ',' token
   25 |     if(f)cout<<-1<,endl;
      |                   ^
Language: C++

#include<bits/stdc++>
using namespace std;
long long num[100005]
int main()
{
  
 	int n;
	cin>>n;
 	long long ans=1;
 	for(int i=0;i<n;++i)
    {
     	int temp;
      	cin>>temp;
     	ans*=temp;
    }
  	if(ans>1000000000000000000)
     	cout<<-1<<"\n";
 	else
     	cout<<ans<<"\n";
 	

  	return 0;
}

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

#include <iostream>
using namespace std;

int main() {
	long long int a;
	cin>>a;
	long long int b[n],p=1;
	for(int i=0;i<n;i++)
	{cin>>b[i];
	p*=b[i];
	}
	if(p>1000000000000000000)
	cout<<"-1";
	else
	cout<<p;
	
	
	cout<<a*b;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:25: error: 'n' was not declared in this scope
    7 |         long long int b[n],p=1;
      |                         ^
a.cc:9:15: error: 'b' was not declared in this scope
    9 |         {cin>>b[i];
      |               ^
a.cc:18:17: error: 'b' was not declared in this scope
   18 |         cout<<a*b;
      |                 ^
Language: C++

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

int main() {
	long long int a;
	cin>>a;
	long long int b[n],p=1;
	for(int i=0;i<n;i++)
	{cin>>b[i];
	p*=b[i];
	}
	if(p>1000000000000000000)
	cout<<"-1";
	else
	cout<<p;
	
	
	cout<<a*b;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:25: error: 'n' was not declared in this scope
    7 |         long long int b[n],p=1;
      |                         ^
a.cc:9:15: error: 'b' was not declared in this scope
    9 |         {cin>>b[i];
      |               ^
a.cc:18:17: error: 'b' was not declared in this scope
   18 |         cout<<a*b;
      |                 ^
Language: C++

#include<iostream>
#include<vector>
using namespace std;
#define int long long

int main(){
    int max=(int)1e18;
    int N;
    cin>>N;
    vector<int> A(N);  
    int ans=1;
    for(int i=0;i<N;i++){
        cin>>A[i];
        if(A[i]==0){
            cout<<0<<endl;
            return 0;
        }
        max/=A[i];
        if(max==0){
            cout<<-1<<endl;
            return 0;
        }
        ans*=A[i];
    }
    cout<<ans<<endl;
    return 0;
}


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

#include<iostream>
#include<vector>
using namespace std;
#define int long long

int main(){
    int max=(int)1e18;
    int N;
    cin>>N;
    vector<int> A(N);  
    int ans=1;
    for(int i=0;i<N;i++){
        cin>>A[i];
        if(A[i]==0){
            cout<<0<<endl;
            return 0;
        }
        max/=A[i];
        if(max==0){
            cout<<-1<<endl;
            return 0;
        }
        ans*=A[i];
    }
    cout<<ans<<endl;
    return 0;åA
}

Compiler output:
cc1plus: error: '::main' must return 'int'
a.cc: In function 'int main()':
a.cc:26:14: error: '\U000000e5A' was not declared in this scope
   26 |     return 0;åA
      |              ^~
Language: C++

#include<iostream>
#include<math.h>
using namespace std;

int main(){
  int n;
  long long num, ans = 1;
  
  cin >> n;
  
  for(int i = 0; i < n; i++) cin >> A[i];
  
  for(int i = 0; i < n; i++){
    cin >> num;
    if(num == 0){
      cout << 0 << endl;
      return 0;
    }
    if(ans > pow(10, 18)){
      cout << -1 << endl;
      return 0;
    }
    ans *= num;
  }
  
  cout << ans << endl;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:37: error: 'A' was not declared in this scope
   11 |   for(int i = 0; i < n; i++) cin >> A[i];
      |                                     ^
Language: C++

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

int main(){
  int n;
  cin >> n;
  bool f = 0;
  bool f2 = 0;
  ll ans = 1;
  ll ara[n];
  for(int i = 0;i<n;i++){
   
    cin >> ara[i];
    if(x == 0) f = 1;
  }
  sort(ara,ara+n);
   for(int i = 0;i<n && f == 0;i++){
   
    ans *= ara[i];
    if(ans > 1e18)f2 =1;
  }
  if(f == 1)cout << 0 << endl;
  else if(f2 == 1) cout << -1 << endl;
  else cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:8: error: 'x' was not declared in this scope
   15 |     if(x == 0) f = 1;
      |        ^
Language: C++

#include<bits/stdc++.h>

using namespace std;

int main(){
  int n;
  cin >> n;
  bool f = 0;
  bool f2 = 0;
  ll ans = 1;
  
  for(int i = 0;i<n;i++){
    long long x;
    cin >> x;
    ans*=x;
    if(ans > 1e18)f2 = 1;
    if(x == 0) f = 1;
  }
  if(f == 1)cout << 0 << endl;
  else if(f2 == 1) cout << -1 << endl;
  else cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:3: error: 'll' was not declared in this scope
   10 |   ll ans = 1;
      |   ^~
a.cc:15:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   15 |     ans*=x;
      |     ^~~
      |     abs
a.cc:21:16: error: 'ans' was not declared in this scope; did you mean 'abs'?
   21 |   else cout << ans << endl;
      |                ^~~
      |                abs
Language: C++

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

typedef long long ll; typedef unsigned long long ull; typedef unsigned int uint; typedef long double ld;

int main() { ios_base::sync_with_stdio(false); cin.tie(0);

int n;
cin >> n;
ll t;
ld ans = 1;
for (int i = 0; i < n; i++)
{
    cin >> t;
    if (ans != -1)
       ans *= t;
    if (ans > 1000000000000000000 || ans < 0)
       ans = -1;
    if (t == 0)
       ans = 0;
}
cout << (ll)ans;
return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:14: error: 'ios_base' has not been declared
    6 | int main() { ios_base::sync_with_stdio(false); cin.tie(0);
      |              ^~~~~~~~
a.cc:6:48: error: 'cin' was not declared in this scope
    6 | int main() { ios_base::sync_with_stdio(false); cin.tie(0);
      |                                                ^~~
a.cc:22:1: error: 'cout' was not declared in this scope
   22 | cout << (ll)ans;
      | ^~~~
Language: C++

#include<bits/stdc++.h>

using namespace std;
int main()
{
    int n;
    cin>>n;
	long long arr[n],sum=1;
  int zero=0;
for(int i=0;i<n;i++)if(a[i]==0) zero ++;
	if(zero >0){
// a[i] contains 0
	printf("0\n");
	return 0;
}
	for(int i=0; i<n; i++){
	    cin>>arr[i];
	    if(arr[i]<=1000000000000000000/sum){
	        sum*=arr[i];\
	    }
	       else{
                printf("-1\n");
                return 0;
        }
	}
	std::cout << sum;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:24: error: 'a' was not declared in this scope
   10 | for(int i=0;i<n;i++)if(a[i]==0) zero ++;
      |                        ^
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <iomanip>
#include <string>
#include <cmath>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include <queue>
#define int long long
#define endl "\n";
#define debug(x) cerr << #x << " is " << x << endl;
using namespace std;
int gcd(int a, int b) {
	if (!b) return a;
	return gcd(b, a % b);
}
void solve(){
	int n, cur = 1, m = 1e18; cin >> n;
	vector <int> a(n);
	for (int i = 0; i < n; ++i) {
		cin >> a[i];
		if (a[i] >= m / cur) {
			cur *= a[i];
		}
		else {
			cout << -1; return;
		}
	}
	cout << cur;


}
signed main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	cout << fixed << setprecision(15);
	int t;
	t = 1;
	while (t--) {
		solve();
	}
	return

Compiler output:
a.cc: In function 'int main()':
a.cc:44:15: error: expected primary-expression at end of input
   44 |         return
      |               ^
a.cc:44:15: error: expected ';' at end of input
   44 |         return
      |               ^
      |               ;
a.cc:44:15: error: expected '}' at end of input
a.cc:35:15: note: to match this '{'
   35 | signed main() {
      |               ^
Language: C++

#include<iostream>
using namespace std;
int main(){
  int n;
  vector<long long>rec(n);
  double d=1;
  long long ans=1;
  bool flag=1;
  for(int i=0;i<n;++i){
      cin>>rec[n];
      if(flag){
          d*=rec[n];
          if(d>1e18){
              flag=0;	
          }else{
              ans*=rec[n];
          }
      }
  }
  if(flag)cout<<ans<<endl;
  else cout<<-1<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'vector' was not declared in this scope
    5 |   vector<long long>rec(n);
      |   ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    1 | #include<iostream>
  +++ |+#include <vector>
    2 | using namespace std;
a.cc:5:10: error: expected primary-expression before 'long'
    5 |   vector<long long>rec(n);
      |          ^~~~
a.cc:10:12: error: 'rec' was not declared in this scope
   10 |       cin>>rec[n];
      |            ^~~
Language: C++

#include<iostream>
using namespace std;
#define MAX 1e18
int main()
{
  long long int n,ans=1LL;
  cin>>n;
  long long int a[n],flag=0;
  for(int i=0;i<n;i++)
  {
    cin>>a[i];
  }
  sort(a,a+n);
  if(a[0]==0)
    ans=0;
  else
  {
      for(int i=0;i<n;i++)
      {
          ans*=a[i];
          if(ans>MAX)
          {
             ans=-1;break;
          }
      }
  }
  cout<<ans<<"\n";
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   13 |   sort(a,a+n);
      |   ^~~~
      |   short