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

#include<iostream>
#include<algorithm>
#include<cmath>
using namespace std;
void input();
int N;
__int64 arr[100001];
__int64 sum = 1;
int main(){
	input();
	cout << sum;
}

void input(){
	cin >> N;
	for(int i=1; i<=N; i++) {
		cin >> arr[i];
	}
	for(int i=1; i<=N; i++) {
		if(arr[i] == 0) {
			cout << "0";
			exit(0);
		}
	}
	
	for(int i=1; i<=N; i++){
		sum = sum * arr[i]; 
		
		if(sum > 1000000000000000000ULL) {
			cout << "-1";
			exit(0);
		} 
	}
	return;
}

Compiler output:
a.cc:7:1: error: '__int64' does not name a type; did you mean '__int64_t'?
    7 | __int64 arr[100001];
      | ^~~~~~~
      | __int64_t
a.cc:8:1: error: '__int64' does not name a type; did you mean '__int64_t'?
    8 | __int64 sum = 1;
      | ^~~~~~~
      | __int64_t
a.cc: In function 'int main()':
a.cc:11:17: error: 'sum' was not declared in this scope
   11 |         cout << sum;
      |                 ^~~
a.cc: In function 'void input()':
a.cc:17:24: error: 'arr' was not declared in this scope
   17 |                 cin >> arr[i];
      |                        ^~~
a.cc:20:20: error: 'arr' was not declared in this scope
   20 |                 if(arr[i] == 0) {
      |                    ^~~
a.cc:27:17: error: 'sum' was not declared in this scope
   27 |                 sum = sum * arr[i];
      |                 ^~~
a.cc:27:29: error: 'arr' was not declared in this scope
   27 |                 sum = sum * arr[i];
      |                             ^~~
Language: C++

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

using namespace std;

int main() {
	int n;
  	int total = 1;
    while(scanf("%d", &n)) {
		total *= n;
    }
  
  	bool exceedsLimit = (total > (int)pow(10, 18);
  	if(!exceedsLimit)
    	cout << total;
    else
        cout << "-1";         	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:54: error: expected ')' before ';' token
   13 |         bool exceedsLimit = (total > (int)pow(10, 18);
      |                             ~                        ^
      |                                                      )
Language: C++

#include <bits/stdc++.h>

#include <boost/multiprecision/cpp_int.hpp>

namespace mp = boost::multiprecision;

using namespace std;
typedef long long lint;

#define RPT(i, b, e) for (int i = ((int)b); i <= ((int)e); i++)
#define RPT0(i, n) RPT(i, 0, ((int)n) - 1)
#define RPT1(i, n) RPT(i, 1, (n))
#define EACH(it, v) for (const auto& it : v)
#define ALL(v) v.begin(), v.end()

void resolve()
{
    int N;
    cin >> N;
    vector<lint> A(N);
    RPT0(i, N)
    {
        cin >> A[i];
        if (A[i] == 0) {
            cout << 0 << endl;
            return;
        }
    }

    mp::cpp_int ans = 1;
    RPT0(i, N)
    {
        if (ans * A[i] > pow(10, 18)) {
            cout << -1 << endl;
            return;
        }
        ans *= A[i];
    }

    cout << ans << endl;
}

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);
    resolve();
    return 0;
}


Compiler output:
a.cc:3:10: fatal error: boost/multiprecision/cpp_int.hpp: No such file or directory
    3 | #include <boost/multiprecision/cpp_int.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(void){
    // Your code here!
 int i,f,n;
 c=f=0;
 cin >> n;
 long long int a[n];
 for(i=0;i<n;i++)
 {
  cin >> a[i];
  if(a[i]==0)
  c=1;
  if(i>0)
  a[i]*=a[i-1];
  if(a[i]<0)
  f=1;
 }
 if(c==1)
 {
  cout << "0";
  return 0;
 }
 if(f==1 && a[n-1]!=0)
 cout << "-1";
 else
 cout << a[n-1];
 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:2: error: 'c' was not declared in this scope
    6 |  c=f=0;
      |  ^
Language: C++

#include <bits/stdc++.h>
#define N 1000000000000000000
#define ll long long int
using namespace std;

int main(){
  ll size,a,res=1;
  cin>>size;
  while(size--){
    cin>>a;
    //cout<<"a"<<a<<endl;
    res *= a;
    if (a ==0){
      cout<<"0";
      goto x;
    //cout<<res<<endl;
  }
  if( res > N)
    cout<<"-1";
  else
    cout<<res;
    x:
  return 0;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:24:2: error: expected '}' at end of input
   24 | }
      |  ^
a.cc:6:11: note: to match this '{'
    6 | int main(){
      |           ^
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 ;
vector<int> A(N)
  
 for(int i = 0; i < N ; i++){
cin >> A.at(i);
}
  int T = 1; 
  for(int i = 0; i < N ; i++){
  T = T*A.at(i);
  }
  int X = 1;
  rep(i,18){
  X = X*10;
  }
if(T <= X){
cout << T << endl;
}
  else{
  cout << -1 << endl;
  }
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:2: error: expected ',' or ';' before 'for'
   12 |  for(int i = 0; i < N ; i++){
      |  ^~~
a.cc:12:17: error: 'i' was not declared in this scope
   12 |  for(int i = 0; i < N ; i++){
      |                 ^
Language: C

#include<stdio.h>
#include<string.h>
#include<math.h>

#define MAX ((long long int)pow(10, 18))
#define ERROR -1

long long int n_list[100000];

int main()
{
	int n = 0;
	long long int a = 1;

    scanf_s("%d", &n);

	for (int i = 0; i<n; i++)
	{
        scanf_s("%lld", &n_list[i]);

		if (n_list[i] == 0)
		{
			a = 0;
		}
	}

	for (int i = 0; i<n; i++)
	{
		if ((a*n_list[i]) <= MAX)
		{
			a = a * n_list[i];
		}
		else {
			a = ERROR;
			break;
		}
	}

	printf("%lld", a);

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:5: error: implicit declaration of function 'scanf_s'; did you mean 'scanf'? [-Wimplicit-function-declaration]
   15 |     scanf_s("%d", &n);
      |     ^~~~~~~
      |     scanf
Language: C

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

  return 0;

}


Compiler output:
main.c: In function 'main':
main.c:5:3: error: expected ',' or ';' before 'scanf'
    5 |   scanf("%d",&N);
      |   ^~~~~
Language: C++

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

typedef unsigned long long ll;
typedef vector<ll> vll;

int main() {
	
	ll n, i, res = 1;
	cin >> n;
	vi ns(n);
	for (i = 0; i < n; i++)	
		cin >> ns[i];
		
	sort(ns.begin(), ns.end());
	if (ns[0] == 0)
		cout << 0 << "\n";
	else if (ns[n - 1] > 1) {
		for (i = 0; i < n; i++)	{
			if ((int)log10(res) + (int)log10(ns[i]) > 18 or res * ns[i] > 1000000000000000000) {
				res = -1;
				break;
			}
			res *= ns[i];
		}
		cout << res << "\n";
	} else
		cout << 1 << "\n";
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: 'vi' was not declared in this scope; did you mean 'i'?
   12 |         vi ns(n);
      |         ^~
      |         i
a.cc:14:24: error: 'ns' was not declared in this scope; did you mean 'n'?
   14 |                 cin >> ns[i];
      |                        ^~
      |                        n
a.cc:16:14: error: 'ns' was not declared in this scope; did you mean 'n'?
   16 |         sort(ns.begin(), ns.end());
      |              ^~
      |              n
Language: Java

import java.util.*;

public class Main {
  static Scanner sc = new Scanner(System.in);
  public static void main(String[] args);
  int A = sc.nextInt();
  Integer[] b = new Integer[A];
  int c=1;
  for(int i=0; i < A; i++){
    b[i] = sc.nextInt();
    c = c*b[i];
  }
  if(c>1000000000000000000){
    System.out.println(-1);
  }
  else{  
    System.out.println(c);
  }
}   


Compiler output:
Main.java:9: error: illegal start of type
  for(int i=0; i < A; i++){
  ^
Main.java:9: error: > or ',' expected
  for(int i=0; i < A; i++){
                    ^
Main.java:9: error: <identifier> expected
  for(int i=0; i < A; i++){
                       ^
Main.java:13: error: illegal start of type
  if(c>1000000000000000000){
  ^
Main.java:13: error: <identifier> expected
  if(c>1000000000000000000){
      ^
Main.java:16: error: illegal start of type
  else{  
  ^
6 errors
Language: C++

n=int(input())
arr=list(map(int,input().split()))
pro=1
for i in range(n):
    pro=pro*arr[i]
ans=1000000000000000000
if pro>ans:
    print (-1)
else:
    print (pro)

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

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_int.hpp>
#define int boost::multiprecision::cpp_int
using namespace std;

typedef unsigned long long ll;
typedef unsigned long long ull;
const long double PI = (acos(-1));
const long long MOD = 1000000007;
struct Edge
{
    long long to;
    long long cost;
};
using Graph = vector<vector<Edge>>;
using P = pair<ll, ll>;
const long long INF = 1LL << 60;

signed main()
{
    int n;

    cin >> n;

    int total = 1;
    int tmp = 0;
    bool f = false;
    for (int i = 0; i < n; i++)
    {
        cin >> tmp;
        total *= tmp;
    }

    if (total > 1000000000000000000)
    {
        cout << -1 << endl;
        return 0;
    }

    cout << ans << endl;

}
//cout << std::fixed << std::setprecision(15)


Compiler output:
a.cc:2:10: fatal error: boost/multiprecision/cpp_int.hpp: No such file or directory
    2 | #include <boost/multiprecision/cpp_int.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
#define N 1000000000000000000
#define ll long long int
using namespace std;

int main(){
  ll size,a,res=1,f=0;
  cin>>size;
  while(size--){
    cin>>a;
    //cout<<"a"<<a<<endl;
    res *= a;
    if (a ==0){
      cout<<"0";
      goto x;
    //cout<<res<<endl;
  }
  if( res > N || f)
    cout<<"-1";
  else
    cout<<res;
    x:
  return 0;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:24:2: error: expected '}' at end of input
   24 | }
      |  ^
a.cc:6:11: note: to match this '{'
    6 | int main(){
      |           ^
Language: C++

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

int main() {
  int N;
  int A[100000];
  cin >> N;
  for(int i = 0; i < N - 1; i++) cin >> A[i];
  
  for(int i = 0; i < N - 1; i++) {
    int x;
    x = 1;
    x *= A[i];
  }
  
  if(x <= 1000000000000000000) {
    cout << x << endl;
  } else {
    cout << -1 << endl;
  }  
}  


Compiler output:
a.cc: In function 'int main()':
a.cc:16:6: error: 'x' was not declared in this scope
   16 |   if(x <= 1000000000000000000) {
      |      ^
Language: C

#include<stdio.h>
 
int main(){
  int N;
  int A[N];
  int i;
  while(scanf("%d",&N)==0);
   unsigned long K=1;
  for(i=0;i<N;i++){
    while(scanf("%d",&A[i])==0);
     K=K*A[i];
    
    if(K>1000000000000000000){
      K=-1;
      break;
    }else
      continue;
  }
  
  A[N]='\n';

    printf("%ld\n",K);
  else
    printf("-1\n");
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:23:3: error: 'else' without a previous 'if'
   23 |   else
      |   ^~~~
Language: C++


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


int main() {
  int N;
  cin >> N;
  vector<unsigned long long > A;
  unsigned long long  a;
  rep(i, N) { 
    cin >> a;
    A.push_back(a);
  }

  unsigned long long  ans = 1;
  rep(i, N) { ans *= A[i]; }

  if (ans > 1000000000000000000 ) {
    ans = -1;
    cout << ans << endl;
    return 0;
    }
  cout << ans << endl;

  return 0;
}

Compiler output:
a.cc:6:28: error: 'long long long' is too long for GCC
    6 | typedef long long unsigned long long ;
      |                            ^~~~
a.cc:6:33: error: 'long long long' is too long for GCC
    6 | typedef long long unsigned long long ;
      |                                 ^~~~
a.cc:6:33: error: declaration does not declare anything [-fpermissive]
Language: C++

#include <bits/stdc++.h> 
using namespace std;
#define endl "\n"
typedef long long int ll;
ll multiply(ll a[], ll n) 
{ 
    // Termination condition 
    if (n == 0) 
        return(a[n]); 
    else
        return (a[n] * multiply(a, n - 1)); 
} 
int main(){
 
 
 
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
   ll n;
  cin>>n;

  ll y=1;
  ll ex  =1e18;
  
  ll arr[n];
  for(int i=0;i<n;i++){
   cin>>arr[i];
    ll y=multiply(arr,n);
   (y<=ex)?cout<<y<<endl:cout<<-1<<endl;
  return 0;
}
  
 


Compiler output:
a.cc: In function 'int main()':
a.cc:32:2: error: expected '}' at end of input
   32 | }
      |  ^
a.cc:13:11: note: to match this '{'
   13 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  long long A;
  cin>>A;
  long long N=1;
  long long B;
  int c=0;
  for(int i=0;i<A;i++){
    cin>>B;
    N=N*B;
    if(i==A-1 && (N>1000000000000000000 || N<0)){
      N=-1;
      break;
    }
  }
  
  cout<<N<<endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:18:17: error: expected '}' at end of input
   18 |   cout<<N<<endl;
      |                 ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
using ll=long long;
const ll max=pow(10,18);
int main(void){
  ll n,a,mul=1;
  cin>>n;
  for(int i=0;i<n;i++){
    cin>>a;
    mul*=a;
  }
  if(mul>max){
    cout<<-1<<endl;
  }else{
    cout<<mul<<endl;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:10: error: reference to 'max' is ambiguous
   12 |   if(mul>max){
      |          ^~~
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:4:10: note:                 'const ll max'
    4 | const ll max=pow(10,18);
      |          ^~~
Language: C++

#include <iostream>
#include <cmath>
int main(){
  int n ;
  int a;
  int result = 1;;
  for(i = 0 ; i<n ; i++){
     cin>>a;
    result*=a;
  }
  (result < pow(10,18))?cout<<result :cout<<-1;
  return 0; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:7: error: 'i' was not declared in this scope
    7 |   for(i = 0 ; i<n ; i++){
      |       ^
a.cc:8:6: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    8 |      cin>>a;
      |      ^~~
      |      std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:11:25: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   11 |   (result < pow(10,18))?cout<<result :cout<<-1;
      |                         ^~~~
      |                         std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

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


int main() {
  int N;
  cin >> N;
  
  long long S =1;
  long long x;
  
  rep(i, N) {
    cin >> x;
    if(x == 0){
      cout << 0 <<;
    }
    else{
      S *= x;
    }
  }
  
  if(S > 1000000000000000000){
    cout << -1 <<endl;
  }
  
  else{
    cout << S <<endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:19: error: expected primary-expression before ';' token
   16 |       cout << 0 <<;
      |                   ^
Language: C

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



}


Compiler output:
main.c: In function 'main':
main.c:5:3: error: expected ',' or ';' before 'scanf'
    5 |   scanf("%d",&N);
      |   ^~~~~
Language: C++

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_int.hpp>
#define int boost::multiprecision::cpp_int
using namespace std;

typedef unsigned long long ll;
typedef unsigned long long ull;
const long double PI = (acos(-1));
const long long MOD = 1000000007;
struct Edge
{
    long long to;
    long long cost;
};
using Graph = vector<vector<Edge>>;
using P = pair<ll, ll>;
const long long INF = 1LL << 60;

signed main()
{
    int n;

    cin >> n;

    
    int a[100000];

    int total = 1;
    bool f = false;
    for (int i = 0; i < n; i++)
    {
        cin >> a[i];
        if (a[i] == 0)
        {
            f = true;
        }
    }

    if (f)
    {

        cout << 0 << endl;

        return 0;
    }

    for (int i = 0; i < n; i++)
    {
        total += a[i];
        if (total > 1000000000000000000)
        {
            cout << -1 << endl;
            return 0;
        }
    }

    ll ans = 1;
    for (int i = 0; i < n; i++)
    {
        ans *= a[i];
    }

    cout << ans << endl;

}
//cout << std::fixed << std::setprecision(15)


Compiler output:
a.cc:2:10: fatal error: boost/multiprecision/cpp_int.hpp: No such file or directory
    2 | #include <boost/multiprecision/cpp_int.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#import numpy


n = int(input())
a = list(map(int, input().split()))

#dtype('int64')

#ans = numpy.prod(a, dtype = 'int64')

ans = 1

for i in a:
    if(i == 0):
        print(0)
        exit(0)


for i in a:
    ans *= i
    if(ans > int(1e18)):
        print(-1)
        exit(0)

if ans > int(1e18):
    print(-1)
else:
    print(ans)

Compiler output:
a.cc:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated]
    1 | #import numpy
      |  ^~~~~~
a.cc:1:9: error: #import expects "FILENAME" or <FILENAME>
    1 | #import numpy
      |         ^~~~~
a.cc:7:2: error: invalid preprocessing directive #dtype
    7 | #dtype('int64')
      |  ^~~~~
a.cc:9:2: error: invalid preprocessing directive #ans
    9 | #ans = numpy.prod(a, dtype = 'int64')
      |  ^~~
a.cc:4:1: error: 'n' does not name a type
    4 | n = int(input())
      | ^
Language: C

#include<stdio.h>
 
int main(){
  int N;
  int A[N];
  int i;
  while(scanf("%d",&N)==0);
   unsigned long K=1;
  for(i=0;i<N;i++){
    while(scanf("%d",&A[i])==0);
     K=K*A[i];
    
    if(K>1000000000000000000){
      K='-1';
      break;
    }
  }
  
  A[N]='\n';

    printf("%ld\n",K);
  else
    printf("-1\n");
  
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:14:9: warning: multi-character character constant [-Wmultichar]
   14 |       K='-1';
      |         ^~~~
main.c:22:3: error: 'else' without a previous 'if'
   22 |   else
      |   ^~~~
Language: C++

using namespace std;

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


Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin>>N;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:17:5: error: 'cout' was not declared in this scope
   17 |     cout<< -1 <<endl;
      |     ^~~~
a.cc:17:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:17:17: error: 'endl' was not declared in this scope
   17 |     cout<< -1 <<endl;
      |                 ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
a.cc:19:5: error: 'cout' was not declared in this scope
   19 |     cout<<s<<endl;
      |     ^~~~
a.cc:19:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:19:14: error: 'endl' was not declared in this scope
   19 |     cout<<s<<endl;
      |              ^~~~
a.cc:19:14: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C++

#include<iostream>
using namespace std;

int main(){
  int t;
  cin>>t;
  unsigned long long int w=1;
  unsigned long long int q= 1000000000000000000;
  bool limited= true;
  bool zero= false;
  while(t--){
    unsigned long long int n;
    cin>>n;
    if(n==0){
    zero= true;
    }
    if(n>q){
      limited = false;
    }
    if(limited){
        w=w*n;
    }
        
    }
    if(w>q){
        limited = false;
    }
  }
  if(zero){
    cout<<0<<endl;
  }else if(limited){
  cout<<w<<endl;
  }else{
    cout<<-1<<endl;
  }
  
}

Compiler output:
a.cc:29:3: error: expected unqualified-id before 'if'
   29 |   if(zero){
      |   ^~
a.cc:31:4: error: expected unqualified-id before 'else'
   31 |   }else if(limited){
      |    ^~~~
a.cc:33:4: error: expected unqualified-id before 'else'
   33 |   }else{
      |    ^~~~
a.cc:37:1: error: expected declaration before '}' token
   37 | }
      | ^
Language: C++

#include<bits/stdc++.h>
int main()
{
   long long f,b,g,n;
   cin>>n;
   g=0; f=1;
    while(n-->0)
    {
      cin>>b;
      f=f*b;
      if(f> 1000000000000000000)
      {
        g=1;break;
      }
    }
    if(g==1) cout<<(-1);
    else
    cout<<(f);
  return 0;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:5:4: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |    cin>>n;
      |    ^~~
      |    std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:16:14: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   16 |     if(g==1) cout<<(-1);
      |              ^~~~
      |              std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:18:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   18 |     cout<<(f);
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
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 ;
vector<int> A(N)
  rep(i,N){
cin >> A(i);
}
  int T = 1; 
  rep(i,N){
  T = T*A(i);
  }
  int X = 1;
  rep(i,18){
  X = X*10;
  }
if(T <= X){
cout << T << endl;
}
  else{
  cout << -1 << endl;
  }
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:2:18: error: expected ',' or ';' before 'for'
    2 | #define rep(i,n) for (int i = 0; i < n; ++i)
      |                  ^~~
a.cc:11:3: note: in expansion of macro 'rep'
   11 |   rep(i,N){
      |   ^~~
a.cc:11:7: error: 'i' was not declared in this scope
   11 |   rep(i,N){
      |       ^
a.cc:2:34: note: in definition of macro 'rep'
    2 | #define rep(i,n) for (int i = 0; i < n; ++i)
      |                                  ^
a.cc:16:10: error: no match for call to '(std::vector<int>) (int&)'
   16 |   T = T*A(i);
      |         ~^~~
Language: Java

import java.math.BigInteger; 
import java.util.Scanner; 
class answer
{
   public BigInteger product(long Arr[]) 
    { 
        BigInteger f = new BigInteger("1"); 
        for (int i = 0; i <Arr.length; i++) 
            f = f.multiply(BigInteger.valueOf(Arr[i])); 
     if(f> Math.pow(10,18) return -1;
        return f; 
    } 
  public static void main(String args[]) throws Exception 
    { 
      int n;
      long x;
      Scanner sc= new Scanner(System.in);
      n=sc.nextInt();
        long arr[] = new long[n];
      for(int i=0;i<n;i++)
      x= sc.nextLong();
        System.out.println(product(arr)); 
    } 
        }

Compiler output:
Main.java:10: error: ')' expected
     if(f> Math.pow(10,18) return -1;
                          ^
1 error
Language: Java

import java.util.*;

public class Main {
  static Scanner sc = new Scanner(System.in);
  public static void main(String[] args);
  int A = sc.nextInt();
  Integer[] b = new Integer[A];
  int c=1;
  for(int i=0; i < A; i++){
    b[i] = sc.nextInt();
    c = c*b[i];
  }
  if(c>1000000000000000000){
    System.out.println(-1);
  }
  else{  
    System.out.println(c);
  }
}   

Compiler output:
Main.java:9: error: illegal start of type
  for(int i=0; i < A; i++){
  ^
Main.java:9: error: > or ',' expected
  for(int i=0; i < A; i++){
                    ^
Main.java:9: error: <identifier> expected
  for(int i=0; i < A; i++){
                       ^
Main.java:13: error: illegal start of type
  if(c>1000000000000000000){
  ^
Main.java:13: error: <identifier> expected
  if(c>1000000000000000000){
      ^
Main.java:16: error: illegal start of type
  else{  
  ^
6 errors
Language: C++

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_int.hpp>
#define int boost::multiprecision::cpp_int
using namespace std;

typedef unsigned long long ll;
typedef unsigned long long ull;
const long double PI = (acos(-1));
const long long MOD = 1000000007;
struct Edge
{
    long long to;
    long long cost;
};
using Graph = vector<vector<Edge>>;
using P = pair<ll, ll>;
const long long INF = 1LL << 60;

signed main()
{
    int n;

    cin >> n;

    vector<int> a(n);

    int total = 1;
    bool f = false;
    for (int i = 0; i < n; i++)
    {
        cin >> a[i];
        if (a[i] == 0)
        {
            f = true;
        }
    }

    if (f)
    {

        cout << 0 << endl;

        return 0;
    }

    for (int i = 0; i < n; i++)
    {
        total += a[i];
        if (total > 1000000000000000000)
        {
            cout << -1 << endl;
            return 0;
        }
    }

    ll ans = 1;
    for (int i = 0; i < n; i++)
    {
        ans *= a[i];
    }

    cout << ans << endl;

}
//cout << std::fixed << std::setprecision(15)


Compiler output:
a.cc:2:10: fatal error: boost/multiprecision/cpp_int.hpp: No such file or directory
    2 | #include <boost/multiprecision/cpp_int.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C

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



}


Compiler output:
main.c: In function 'main':
main.c:5:3: error: expected ',' or ';' before 'scanf'
    5 |   scanf("%d",&N);
      |   ^~~~~
Language: Java

import java.io.*;
import java.util.*;
import java.math.BigInteger;
public class B169B
{
    static PrintWriter out=new PrintWriter((System.out));
    public static void main(String args[])throws IOException
    {
        Reader sc=new Reader();
        int n=sc.nextInt();
        BigInteger p=new BigInteger("1");
        boolean exceed=false;
        BigInteger max=new BigInteger("1000000000000000000");
        BigInteger zero=new BigInteger("0");
        for(int x=0;x<n;x++) {
            BigInteger a = new BigInteger(sc.nextLong() + "");
            p = p.multiply(a);
            if(p.compareTo(zero)==0)
            {
                break;
            }
            if (p.compareTo(max) > 0)
            {
                exceed=true;
                break;
            }
        }
        if(exceed)
        {
            out.println(-1);
        }
        else
        {
            out.println(p.toString());
        }
        out.close();
    }

    public static void solve()
    {
    }

    static class Reader
    {
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st=new StringTokenizer("");
        public String next()
        {
            while(!st.hasMoreTokens())
            {
                try
                {
                    st=new StringTokenizer(br.readLine());
                }
                catch(Exception e)
                {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        public int nextInt()
        {
            return Integer.parseInt(next());
        }

        public long nextLong()
        {
            return Long.parseLong(next());
        }

        public double nextDouble()
        {
            return Double.parseDouble(next());
        }

        public String nextLine()
        {
            try
            {
                return br.readLine();
            }
            catch(Exception e)
            {
                e.printStackTrace();
            }
            return null;
        }

        public boolean hasNext()
        {
            String next=null;
            try
            {
                next=br.readLine();
            }
            catch(Exception e)
            {
            }
            if(next==null)
            {
                return false;
            }
            st=new StringTokenizer(next);
            return true;
        }
    }
}


Compiler output:
Main.java:4: error: class B169B is public, should be declared in a file named B169B.java
public class B169B
       ^
1 error
Language: C

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

int main() {
  int N;
  unsigned long long int ans = 1;
  cin >> N;
  
  unsigned long long int arr[N];
  for(int i { 0 }; i < N; ++i){
    cin >> arr[i];
    ans = ans * arr[i];
  }
  
  unsigned long long int cnst = 1;
  for (int i = 0; i < 18; i++) {
    cnst = cnst * 10;
  }
  
  if (ans > cnst) {
    cout << -1 << endl;
  }
  else {
    cout << ans << 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: Java

import com.sun.deploy.security.SelectableSecurityManager;

import java.io.*;
import java.util.*;
import java.math.BigInteger;
public class Main
{
    static PrintWriter out=new PrintWriter((System.out));
    public static void main(String args[])throws IOException
    {
        Reader sc=new Reader();
        int n=sc.nextInt();
        BigInteger p=new BigInteger("1");
        boolean exceed=false;
        BigInteger max=new BigInteger("1000000000000000000");
        BigInteger zero=new BigInteger("0");
        for(int x=0;x<n;x++) {
            BigInteger a = new BigInteger(sc.nextLong() + "");
            p = p.multiply(a);
            if(p.compareTo(zero)==0)
            {
                break;
            }
            if (p.compareTo(max) > 0)
            {
                exceed=true;
                break;
            }
        }
        if(exceed)
        {
            out.println(-1);
        }
        else
        {
            out.println(p.toString());
        }
        out.close();
    }

    public static void solve()
    {
    }

    static class Reader
    {
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st=new StringTokenizer("");
        public String next()
        {
            while(!st.hasMoreTokens())
            {
                try
                {
                    st=new StringTokenizer(br.readLine());
                }
                catch(Exception e)
                {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

        public int nextInt()
        {
            return Integer.parseInt(next());
        }

        public long nextLong()
        {
            return Long.parseLong(next());
        }

        public double nextDouble()
        {
            return Double.parseDouble(next());
        }

        public String nextLine()
        {
            try
            {
                return br.readLine();
            }
            catch(Exception e)
            {
                e.printStackTrace();
            }
            return null;
        }

        public boolean hasNext()
        {
            String next=null;
            try
            {
                next=br.readLine();
            }
            catch(Exception e)
            {
            }
            if(next==null)
            {
                return false;
            }
            st=new StringTokenizer(next);
            return true;
        }
    }
}


Compiler output:
Main.java:1: error: package com.sun.deploy.security does not exist
import com.sun.deploy.security.SelectableSecurityManager;
                              ^
1 error
Language: C++

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_int.hpp>
#define int boost::multiprecision::cpp_int
using namespace std;

typedef unsigned long long ll;
typedef unsigned long long ull;
const long double PI = (acos(-1));
const long long MOD = 1000000007;
struct Edge
{
    long long to;
    long long cost;
};
using Graph = vector<vector<Edge>>;
using P = pair<ll, ll>;
const long long INF = 1LL << 60;

signed main()
{
    ll n;

    cin >> n;

    vector<int> a(n);

    int total = 1;
    bool f = false;
    for (int i = 0; i < n; i++)
    {
        cin >> a[i];
        if (a[i] == 0)
        {
            f = true;
        }
    }

    if (f)
    {

        cout << 0 << endl;

        return 0;
    }

    for (int i = 0; i < n; i++)
    {
        total += a[i];
        if (total > 1000000000000000000)
        {
            cout << -1 << endl;
            return 0;
        }
    }

    ll ans = 1;
    for (int i = 0; i < n; i++)
    {
        ans *= a[i];
    }

    cout << ans << endl;

}
//cout << std::fixed << std::setprecision(15)


Compiler output:
a.cc:2:10: fatal error: boost/multiprecision/cpp_int.hpp: No such file or directory
    2 | #include <boost/multiprecision/cpp_int.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: Java

import java.util.*;
import java.math.BigInteger;

class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		long ret = sc.nextLong();
		for(int i = 0; i < N - 1; i++){
			ret = ret * sc.nextLong();
		}
		if(ret > 1000000000000000000L || ret < 0){
			ret = -1;
		}
		System.out.print(ret);
	}
}
219329467816869888


Compiler output:
Main.java:18: error: class, interface, enum, or record expected
219329467816869888
^
1 error
Language: Java

import java.util.*;
import java.math.BigInteger;

class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		long ret = sc.nextLong();
		System.out.print(hoge * 10);
		for(int i = 0; i < N - 1; i++){
			ret = ret * sc.nextLong();
		}
		if(ret > 1000000000000000000L || ret < 0){
			ret = -1;
		}
		System.out.print(ret);
	}
}
219329467816869888


Compiler output:
Main.java:19: error: class, interface, enum, or record expected
219329467816869888
^
1 error
Language: C++

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

int main() {
    long N, A, ans;
    cin >> N;

    ans = 1;
    bool flag = false
    for(long i = 0; i < N; i++){
        cin >> A;
        ans = ans * A;
        if(A == 0){
            cout << 0 << endl;
            return 0;
        }else if(ans > 1000000000000000000){
            flag = true;
        }
    }

    if(flag){
        cout << -1 << endl;
    }else{
        cout << ans << endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:5: error: expected ',' or ';' before 'for'
   10 |     for(long i = 0; i < N; i++){
      |     ^~~
a.cc:10:21: error: 'i' was not declared in this scope
   10 |     for(long i = 0; i < N; i++){
      |                     ^
Language: C++

#pragma GCC target("avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
using namespace std;
#define rep(i, n) for (long long i = 0; i < (long long)(n); i++)
using ll = long long;
using P = pair<ll,ll>;

int main(){
ios::sync_with_stdio(false);
std::cin.tie(nullptr);
ll n;
cin >> n;
vector<lond double> a(n);
long double k = 1e18;
for(ll i =0 ; i < n; i++){
    cin >> a[i];
}
sort(a.begin(),a.end());

for(ll i = 0; i < n; i++){
    if(a[i] == 0){
        cout << 0 << endl;
        return 0;
    }
   if(k / a[i] == 0){
       cout << -1 << endl;
       return 0;
   }
   k /= a[i];
}
ll ans = 1;
for(ll i = 0; i < n; i++){
    ans *= a[i];
}
cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:8: error: 'lond' was not declared in this scope; did you mean 'long'?
   15 | vector<lond double> a(n);
      |        ^~~~
      |        long
a.cc:15:19: error: template argument 1 is invalid
   15 | vector<lond double> a(n);
      |                   ^
a.cc:15:19: error: template argument 2 is invalid
a.cc:18:13: error: invalid types 'int[ll {aka long long int}]' for array subscript
   18 |     cin >> a[i];
      |             ^
a.cc:20:8: error: request for member 'begin' in 'a', which is of non-class type 'int'
   20 | sort(a.begin(),a.end());
      |        ^~~~~
a.cc:20:18: error: request for member 'end' in 'a', which is of non-class type 'int'
   20 | sort(a.begin(),a.end());
      |                  ^~~
a.cc:23:9: error: invalid types 'int[ll {aka long long int}]' for array subscript
   23 |     if(a[i] == 0){
      |         ^
a.cc:27:12: error: invalid types 'int[ll {aka long long int}]' for array subscript
   27 |    if(k / a[i] == 0){
      |            ^
a.cc:31:10: error: invalid types 'int[ll {aka long long int}]' for array subscript
   31 |    k /= a[i];
      |          ^
a.cc:35:13: error: invalid types 'int[ll {aka long long int}]' for array subscript
   35 |     ans *= a[i];
      |             ^
Language: C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

int main()
{
	long A[10000]
	long N,i;
	long ans;
	
	scanf("%ld", &N);
	
	// 整数の入力
	for(i; i < N ; i++)
	{
		scanf("%ld", &A[i]);
		ans = ans * A[i];
	}
	
	// 出力
	if(ans < 10^18){
		printf("%ld",ans);
	
	}else{
		printf("-1");
	}
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:22: error: expected ';' before 'long'
    8 |         long A[10000]
      |                      ^
      |                      ;
    9 |         long N,i;
      |         ~~~~          
main.c:17:31: error: 'A' undeclared (first use in this function)
   17 |                 scanf("%ld", &A[i]);
      |                               ^
main.c:17:31: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include <iostream>

int main() {
	int n;
	std::cin >> n;
	long long ans = 1;
	for (int i = 0; i < n; ++i) {
		long long tmp;
		std::cin >> tmp;
		ans *= tmp;
		if (ans > (long long)pow(10, 18)) {
			ans = -1;
			break;
		}
	}

	std::cout << ans << std::endl;

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:38: error: 'pow' was not declared in this scope
   11 |                 if (ans > (long long)pow(10, 18)) {
      |                                      ^~~
Language: C++

#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_int.hpp>
#define int boost::multiprecision::cpp_int
using namespace std;

typedef unsigned long long ll;
typedef unsigned long long ull;
const long double PI = (acos(-1));
const long long MOD = 1000000007;
struct Edge
{
    long long to;
    long long cost;
};
using Graph = vector<vector<Edge>>;
using P = pair<ll, ll>;
const long long INF = 1LL << 60;


int main()
{
    ll n;

    cin >> n;

    vector<int> a(n);

    int total = 1;
    bool f = false;
    for (int i = 0; i < n; i++)
    {
        cin >> a[i];
        if (a[i] == 0)
        {
            f = true;
        }
    }

    if (f)
    {

        cout << 0 << endl;

        return 0;
    }

    for (int i = 0; i < n; i++)
    {
        total += a[i];
        if (total > 1000000000000000000)
        {
            cout << -1 << endl;
            return 0;
        }
    }

    ll ans = 1;
    for (int i = 0; i < n; i++)
    {
        ans *= a[i];
    }

    cout << ans << endl;

    return 0;
}
//cout << std::fixed << std::setprecision(15)


Compiler output:
a.cc:2:10: fatal error: boost/multiprecision/cpp_int.hpp: No such file or directory
    2 | #include <boost/multiprecision/cpp_int.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C

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



}

Compiler output:
main.c: In function 'main':
main.c:5:3: error: expected ',' or ';' before 'scanf'
    5 |   scanf("%d",&N);
      |   ^~~~~
main.c:8:20: error: expected ']' before '}' token
    8 |     scanf("%d",&d[i});
      |                    ^
      |                    ]
main.c:8:20: error: expected ')' before '}' token
    8 |     scanf("%d",&d[i});
      |          ~         ^
      |                    )
main.c:8:20: error: expected ';' before '}' token
    8 |     scanf("%d",&d[i});
      |                    ^
      |                    ;
main.c:8:21: error: expected statement before ')' token
    8 |     scanf("%d",&d[i});
      |                     ^
main.c: At top level:
main.c:11:3: error: expected identifier or '(' before 'if'
   11 |   if (s<=1000000000000000000){
      |   ^~
main.c:14:3: error: expected identifier or '(' before 'else'
   14 |   else{
      |   ^~~~
main.c:21:1: error: expected identifier or '(' before '}' token
   21 | }
      | ^
Language: Java

import java.util.*;

public class Main {
    public static void main(final String[] args) {
        final Scanner sc = new Scanner(System.in);
        final int n = sc.nextInt();
        long ans = 0;
        for (int i = 0; i < a.length; i++) {
            long a = sc.nextLong();
            if (a == 0L) {
                System.out.println(0);
                return;
            }
            if (i == 0) {
                ans = a;
            } else {
                ans = ans * a;
            }
        }
        if (ans > 1000000000000000000L) {
            System.out.println(-1);
        } else {
            System.out.println(ans);
        }
    }
}

Compiler output:
Main.java:8: error: cannot find symbol
        for (int i = 0; i < a.length; i++) {
                            ^
  symbol:   variable a
  location: class Main
1 error
Language: C++

#include<iostream>
using namespace std;

int main(){
	int n;
	cin>>n;
	
	long long a[n+5],x=1;
	
	for(int i=1;i<=n;i++)
	{
		cin>>a[i];
		
		if(a[i]==0){
			cout<<'0';
			return 0;
		}
	}
	
	for(int i=1;i<=n;i++){
		if(a[i]!=0){
			x*=a[i];
	}
	
	if(x>1000000000000000000){
		cout<<"-1";
		return 0;
	}
	
	else{
		cout<<x<<endl;
		return 0;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:34:2: error: expected '}' at end of input
   34 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>

using namespace std;
typedef unsigned long long ull
int main(){
    int n;
    ull MAX = pow(10,18);
    cin >> n;
    ull res = 1;
    for (int i=0;i<n;i++){
        ull num = 0;
        cin >> num;
        if (num == 0){
            cout << "0";
            return 0;
        }
        res*=num;

    }
            if (res>MAX){
            cout << "-1";
            return 0;
        }
    cout << res<<endl;
}

Compiler output:
a.cc:5:1: error: expected initializer before 'int'
    5 | int main(){
      | ^~~
Language: C++

n = gets.to_i
a = gets.split(' ').map(&:to_i)
s = 1
ma = 10 ** 18
a.each { |e|
    if (e == 0) then
        puts "0"
        return
    end
    if (e > ma) then
        puts "-1"
        return
    end
    s *= e
}
if (s > ma) then
    puts "-1"
    return
end
puts s

Compiler output:
a.cc:1:1: error: 'n' does not name a type
    1 | n = gets.to_i
      | ^
a.cc:16:1: error: expected unqualified-id before 'if'
   16 | if (s > ma) then
      | ^~
Language: C

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

  
  long N;
  long ans = 1;
  scanf("%ld",&N);
  long A[N];
  for(int i=0;i<N;i++){
    scanf("%ld",& A[i]);
    ans = A[i]*ans;
  }
   if(ans>1000000000000000000){
      printf("-1");
    }else{
     int vout = (int)ans;
    printf("%ld", vout);
   }
    return 0;

Compiler output:
main.c: In function 'main':
main.c:19:5: error: expected declaration or statement at end of input
   19 |     return 0;
      |     ^~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

using ll = unsigned long long;

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

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

    ll sum = 1;
    for (int i = 0; i < n; i++) {
        sum *= nums[i];
        if (sum > 1000000000000000000LL) {
            cout << -1 << endl;
            return 0;
        }
    }

    cout << sum << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:5: error: expected primary-expression before '}' token
   19 |     }
      |     ^
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 ;
vector<int> A(N)
  rep(i,N){
cin >> A(i);
}
  int T = 1; 
  rep(i,N){
  T = T*A(i);
  }
  int X = 1;
  rep(i,18){
  X = X*10;
  }
if(T <= X){
cout << T << endl;
}
  else{
  cout << -1 << endl;
  }
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:18: error: expected ',' or ';' before 'for'
    2 | #define rep(i,n) for (int i = 0; i < (n); ++i)
      |                  ^~~
a.cc:11:3: note: in expansion of macro 'rep'
   11 |   rep(i,N){
      |   ^~~
a.cc:11:7: error: 'i' was not declared in this scope
   11 |   rep(i,N){
      |       ^
a.cc:2:34: note: in definition of macro 'rep'
    2 | #define rep(i,n) for (int i = 0; i < (n); ++i)
      |                                  ^
a.cc:16:10: error: no match for call to '(std::vector<int>) (int&)'
   16 |   T = T*A(i);
      |         ~^~~
Language: C++

#include<iostream>
using namespace std;

int main() {
  int N;
  cin >> N;
  int64_t A;
  int64_t sum = 1;
  for (int i = 0; i < N; i++) {
    cin >> A;
    sum *= A;
    if (sum > 1000000000000000000) {
      cout << -1 <<endl;
      break;
    }
  }
  if (sum =< 1000000000000000000) {
    cout << sum << endl;
  }
    
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:12: error: expected primary-expression before '<' token
   17 |   if (sum =< 1000000000000000000) {
      |            ^
Language: C

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<math.h>

int main(void) {

  int n, i, c, d;
  long int a, e=pow(10,18), f=pow(10,5);
  long int val=1;


  c = scanf("%d\n", &n);
  if ((n<2)||(f<n)||(c!=1)) {
    printf("error\n");
    return -1;
  }

  for (i = 0; i < n; i++) {
    d = scanf("%ld", &a);
    if ((a<0)||e<a)||(d!=1)) {
      printf("error\n");
      return -1;
    }
    val *= a;
  }

  if (val<=e) {
    printf("%ld\n", val);
  } else {
    printf("-1\n");
  }


  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:21:20: error: expected expression before '||' token
   21 |     if ((a<0)||e<a)||(d!=1)) {
      |                    ^~
main.c:21:28: error: expected statement before ')' token
   21 |     if ((a<0)||e<a)||(d!=1)) {
      |                            ^