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

#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin>>N;
  vector <unsigned int> vec(N);
  for(int i =0; i <N; i++){
    cin >> vec.at(i);
  }
  int ans = 1;
  int judge = 0;
  for(long long i=0; i<N; i++){
    if(vec.at(i)==0){
      judge = 1;
      break;
    }
  }
  if(judge == 1){
    cout<<0<<endl;
  }
  else{
    for(long long i=0; i<N; i++){
      ans *= vec.at(i);
      if(ans>10**18){
        ans = -1;
        break;
      }
    }
    cout<<ans<<endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:17: error: invalid type argument of unary '*' (have 'int')
   24 |       if(ans>10**18){
      |                 ^~~
Language: Java

import org.omg.CORBA.CharSeqHelper;

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

class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringTokenizer st = new StringTokenizer(br.readLine());

        int N = Integer.parseInt(st.nextToken());
        long[] arr = new long[N];
        st = new StringTokenizer(br.readLine());
        for (int i=0; i<N; i++)
            arr[i] = Long.parseLong(st.nextToken());
        Arrays.sort(arr);

        long res = 1;
        for (int i=0; i<N; i++){
            res*=arr[i];
            if (res>1000000000000000000L){
                res=-1;
                break;
            }
            if(res==0){
                break;
            }

        }
        System.out.println(res);

    }



}


Compiler output:
Main.java:1: error: package org.omg.CORBA does not exist
import org.omg.CORBA.CharSeqHelper;
                    ^
1 error
Language: C++

#inckude <bits/stdc++.h>
using namespace std;
int main(){
  long long N;
  cin>>N;
  vector <unsigned long long> vec(N);
  for(long long i =0; i <N; i++){
    cin >> vec.at(i);
  }
  long long ans;
  ans = 1;
  int judge = 0;
  for(long long i=0; i<N; i++){
    if(vec.at(i)==0){
      judge = 1;
      break;
    }
  }
  if(judge == 1){
    cout<<0<<endl;
  }
  else{
    for(long long i=0; i<N; i++){
      ans *= vec.at(i);
      if(ans>1000000000000000000){
        ans = -1;
        break;
      }
    }
    cout<<ans<<endl;
  }
}


Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inckude; did you mean #include?
    1 | #inckude <bits/stdc++.h>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   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 | #inckude <bits/stdc++.h>
a.cc:6:3: error: 'vector' was not declared in this scope
    6 |   vector <unsigned long long> vec(N);
      |   ^~~~~~
a.cc:1:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
  +++ |+#include <vector>
    1 | #inckude <bits/stdc++.h>
a.cc:6:11: error: expected primary-expression before 'unsigned'
    6 |   vector <unsigned long long> vec(N);
      |           ^~~~~~~~
a.cc:8:12: error: 'vec' was not declared in this scope
    8 |     cin >> vec.at(i);
      |            ^~~
a.cc:14:8: error: 'vec' was not declared in this scope
   14 |     if(vec.at(i)==0){
      |        ^~~
a.cc:20:5: error: 'cout' was not declared in this scope
   20 |     cout<<0<<endl;
      |     ^~~~
a.cc:20:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:20:14: error: 'endl' was not declared in this scope
   20 |     cout<<0<<endl;
      |              ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #inckude <bits/stdc++.h>
a.cc:24:14: error: 'vec' was not declared in this scope
   24 |       ans *= vec.at(i);
      |              ^~~
a.cc:30:5: error: 'cout' was not declared in this scope
   30 |     cout<<ans<<endl;
      |     ^~~~
a.cc:30:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:30:16: error: 'endl' was not declared in this scope
   30 |     cout<<ans<<endl;
      |                ^~~~
a.cc:30:16: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C++

#inckude <bits/stdc++.h>
using namespace std;
int main(){
  long long N;
  cin>>N;
  vector <unsigned long long> vec(N);
  for(long long i =0; i <N; i++){
    cin >> vec.at(i);
  }
  long long ans;
  ans = 1;
  int judge = 0;
  for(long long i=0; i<N; i++){
    if(vec.at(i)==0){
      judge = 1;
      break;
    }
  }
  if(judge == 1){
    cout<<0<<endl;
  }
  else{
    for(long long i=0; i<N; i++){
      ans *= vec.at(i);
      if(ans>10**18){
        ans = -1;
        break;
      }
    }
    cout<<ans<<endl;
  }
}


Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inckude; did you mean #include?
    1 | #inckude <bits/stdc++.h>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   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 | #inckude <bits/stdc++.h>
a.cc:6:3: error: 'vector' was not declared in this scope
    6 |   vector <unsigned long long> vec(N);
      |   ^~~~~~
a.cc:1:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
  +++ |+#include <vector>
    1 | #inckude <bits/stdc++.h>
a.cc:6:11: error: expected primary-expression before 'unsigned'
    6 |   vector <unsigned long long> vec(N);
      |           ^~~~~~~~
a.cc:8:12: error: 'vec' was not declared in this scope
    8 |     cin >> vec.at(i);
      |            ^~~
a.cc:14:8: error: 'vec' was not declared in this scope
   14 |     if(vec.at(i)==0){
      |        ^~~
a.cc:20:5: error: 'cout' was not declared in this scope
   20 |     cout<<0<<endl;
      |     ^~~~
a.cc:20:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:20:14: error: 'endl' was not declared in this scope
   20 |     cout<<0<<endl;
      |              ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #inckude <bits/stdc++.h>
a.cc:24:14: error: 'vec' was not declared in this scope
   24 |       ans *= vec.at(i);
      |              ^~~
a.cc:25:17: error: invalid type argument of unary '*' (have 'int')
   25 |       if(ans>10**18){
      |                 ^~~
a.cc:30:5: error: 'cout' was not declared in this scope
   30 |     cout<<ans<<endl;
      |     ^~~~
a.cc:30:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:30:16: error: 'endl' was not declared in this scope
   30 |     cout<<ans<<endl;
      |                ^~~~
a.cc:30:16: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C++

#inckude <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin>>N;
  vector <unsigned long long> vec(N);
  for(int i =0; i <N; i++){
    cin >> vec.at(i);
  }
  long long ans;
  ans = 1;
  int judge = 0;
  for(int i=0; i<N; i++){
    if(vec.at(i)==0){
      judge = 1;
      break;
    }
  }
  if(judge == 1){
    cout<<0<<endl;
  }
  else{
    for(int i=0; i<N; i++){
      ans *= vec.at(i);
      if(ans>10**18){
        ans = -1;
        break;
      }
    }
    cout<<ans<<endl;
  }
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inckude; did you mean #include?
    1 | #inckude <bits/stdc++.h>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   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 | #inckude <bits/stdc++.h>
a.cc:6:3: error: 'vector' was not declared in this scope
    6 |   vector <unsigned long long> vec(N);
      |   ^~~~~~
a.cc:1:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
  +++ |+#include <vector>
    1 | #inckude <bits/stdc++.h>
a.cc:6:11: error: expected primary-expression before 'unsigned'
    6 |   vector <unsigned long long> vec(N);
      |           ^~~~~~~~
a.cc:8:12: error: 'vec' was not declared in this scope
    8 |     cin >> vec.at(i);
      |            ^~~
a.cc:14:8: error: 'vec' was not declared in this scope
   14 |     if(vec.at(i)==0){
      |        ^~~
a.cc:20:5: error: 'cout' was not declared in this scope
   20 |     cout<<0<<endl;
      |     ^~~~
a.cc:20:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:20:14: error: 'endl' was not declared in this scope
   20 |     cout<<0<<endl;
      |              ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #inckude <bits/stdc++.h>
a.cc:24:14: error: 'vec' was not declared in this scope
   24 |       ans *= vec.at(i);
      |              ^~~
a.cc:25:17: error: invalid type argument of unary '*' (have 'int')
   25 |       if(ans>10**18){
      |                 ^~~
a.cc:30:5: error: 'cout' was not declared in this scope
   30 |     cout<<ans<<endl;
      |     ^~~~
a.cc:30:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:30:16: error: 'endl' was not declared in this scope
   30 |     cout<<ans<<endl;
      |                ^~~~
a.cc:30:16: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C++

#include <bits/stdc++.h>
typedef int64_t ll;
using std::cout ;
using std::endl ;
using std::cin ;
using std::string ;
using std::vector ;
using std::set ;
using std::map ;
using std::pair ;
#define rep(i,n) for(int i=0, i##_end=(n); i<i##_end; i++)
void debug_out() { cout << endl; }
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
  cout << H << " ";
  debug_out(T...);
}
template<class T>bool updateMax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool updateMin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
#define all(c) c.begin(),c.end()
#ifdef _DEBUG
#define debug(...) debug_out(__VA_ARGS__)
#else
#define debug(...)
#endif



int main() {
    int N;
    cin >> N;
    
    ll product = 1LL;
    bool overflow = false;
    rep(i, N) {
        ll A;
        cin >> A;
        
        if(A == 0LL) {
            cout << 0 << endl;
            return 0;
        }
        ll test = product * A;
        if(product / A != product) {
            overflow = true;
        } else {
            product = test;
    }
    if(product > 1000000000000000000LL || overflow) {
        cout << "-1" << endl;
    } else {
        cout << product << endl;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:54:2: error: expected '}' at end of input
   54 | }
      |  ^
a.cc:29:12: note: to match this '{'
   29 | int main() {
      |            ^
Language: C++

#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long; 
using pii =  pair<int, int>;
using pll =  pair<long long, long long>;
#define rep(i, n) for(int i = 0; i < (n); ++i)
#define all(x) (x).begin(),(x).end()
constexpr char ln =  '\n';
constexpr long long MOD = 1000000007LL;
//constexpr long long MOD = 998244353LL;
template<class T, class U> inline bool chmax(T &a, U b) { if (a < b) { a = b; return true;} return false; }
template<class T, class U> inline bool chmin(T &a, U b) { if (a > b) { a = b; return true;} return false; }
const ll INF = (ll)1e18 + 1;
const int inf = 1012345678;
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
unsigned GetDigit(unsigned num){

int main() {
    ios::sync_with_stdio(false); cin.tie(nullptr);
    ull n; cin >> n;
    ull a[n]; rep(i,n) cin >> a[i];
    ull ans = 1;
    int digit = 0;
    rep(i,n){
        ans *= a[i];
        if(ans >= INF){
            cout << -1 << ln;
            return 0;
        }
    }

    cout << ans << ln;
    return 0;
}

Compiler output:
a.cc: In function 'unsigned int GetDigit(unsigned int)':
a.cc:20:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   20 | int main() {
      |         ^~
a.cc:20:9: note: remove parentheses to default-initialize a variable
   20 | int main() {
      |         ^~
      |         --
a.cc:20:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:20:12: error: a function-definition is not allowed here before '{' token
   20 | int main() {
      |            ^
a.cc:36:2: error: expected '}' at end of input
   36 | }
      |  ^
a.cc:18:32: note: to match this '{'
   18 | unsigned GetDigit(unsigned num){
      |                                ^
a.cc:36:2: warning: no return statement in function returning non-void [-Wreturn-type]
   36 | }
      |  ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
template <typename T> using vec = vector<T>;

int main()
{
	int n;
	cin >> n;
	long ans =1;
	vec<long> a(n);
	for (auto &&e : a)
	{
		cin >> e;
	}
	sort(a.begin(),a.end());
	bool flag = true;
	for (auto &&e : a)
	{
		if (e==0)
		{
			a *= e;
			break;
		}
		
		if (e>1000000000000000000/ans)
		{
			flag = false;
			break;
		}
		ans *= e;
	}
	if(flag)
	{
		cout << ans << endl;
	}
	else
	{
		cout << -1 << endl;
	}

}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:27: error: no match for 'operator*=' (operand types are 'vec<long int>' {aka 'std::vector<long int, std::allocator<long int> >'} and 'long int')
   21 |                         a *= e;
      |                         ~~^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
template <typename T> using vec = vector<T>;

int main()
{
	int n;
	cin >> n;
	long ans =1;
	vec<long> a(n);
	for (auto &&e : a)
	{
		cin >> e;
	}
	sort(a.begin(),a.end());
	bool flag = true;
	for (auto &&e : a)
	{
		if (e==0))
		{
			a *= e;
			break;
		}
		
		if (e>1000000000000000000/ans)
		{
			flag = false;
			break;
		}
		ans *= e;
	}
	if(flag)
	{
		cout << ans << endl;
	}
	else
	{
		cout << -1 << endl;
	}

}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:26: error: expected primary-expression before ')' token
   19 |                 if (e==0))
      |                          ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int n;
  cin>>n;
  long long mx=(ll)1e18;
  long long ans=1;
  long long ara[n+5];
  for(int i=1;i<=n;i++)cin>>ara[i];
  
  for(int i=1;i<=n;i++)
  {
    if(ans>mx/ara[i])
    {
      puts("-1");
      return 0;
    }
    else ans*=ara[i];
  }
  cout<<ans<<endl;
  return 0;
}
    

Compiler output:
a.cc: In function 'int main()':
a.cc:7:17: error: 'll' was not declared in this scope
    7 |   long long mx=(ll)1e18;
      |                 ^~
Language: C++

#include<bits/stdc++.h>
using namespace std;
template <typename T> using vec = vector<T>;

int main()
{
    int n;
    cin >> n;
    long ans =1;
    vec<long> a(n);
    for (auto &&e : a)
    {
        cin >> e;
    }
    sort(a.begin(),a.end());
    bool flag = true;
    for (auto &&e : a)
    {
        if(e>1000000000000000000)
        {
            flag = false;
            break;
        }
        if ((e>1000000000000000000/ans)
        {
            flag = false;
            break;
        }
        ans *= e;
    }
    if(flag)
    {
        cout << ans << endl;
    }
    else
    {
        cout << -1 << endl;
    }
    
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:40: error: expected ';' before '{' token
   24 |         if ((e>1000000000000000000/ans)
      |                                        ^
      |                                        ;
   25 |         {
      |         ~                               
a.cc:29:17: error: expected ')' before ';' token
   29 |         ans *= e;
      |                 ^
      |                 )
a.cc:24:12: note: to match this '('
   24 |         if ((e>1000000000000000000/ans)
      |            ^
Language: C++

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

int main()
{
  cin >> N;
  vector<ll> A(N);
  string ans;

  rep(i, N)
  {
    cin >> A[i];
//    cout << A[i] << endl;
    if (A[i] == 0)
    {
      cout << "0" << endl;
      return 0;
    }
  }

  ll sum = 1;
  ll max = 1000000000000000000;
  rep(i, N)
  {
    if (sum > max/A[i])
    {
      cout << "-1" << endl;
      return 0;
    }
  }
  sum *= A[i];
  cout << sum << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:34:12: error: 'i' was not declared in this scope
   34 |   sum *= A[i];
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
    long long N;cin>>N;
    bool T=false;
    vector<long long> A(N);
    for (int i = 0; i < N; i++)
    {
        cin>>A[i];
    }
    long long ans=1;
    sort(A.begin(),A.end());
    for (int i = 0; i < N; i++)
    {
        ans*=A[i];
        if(ans==0)break;
        if(ans<b){
            T=true;
            break;
        }
        long long b=ans;
    }
    if(T)cout<<"-1"<<endl;
    else cout<<ans<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:16: error: 'b' was not declared in this scope
   17 |         if(ans<b){
      |                ^
Language: C++

#include <bits/stdc++.h>
using ll = long long;
#define int long long
#define rep(i, n) for (ll i = 0; i < (n); i++)
using namespace std;
long long INF = 1.0e-18;

int main() {
    int ans = 1;
    bool zero = false;
    cin >> n;
    rep(i, n) {
        cin >> a[i];
        if (a[i] == 0) zero = true;
    }
    if (zero) {
        cout << 0 << endl;
        return 0;
    }
    rep(i, n) {
        if (ans > 1000000000000000000 / a[i]) {
            cout << -1 << endl;
            return 0;
        }
        ans *= a[i];
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
cc1plus: error: '::main' must return 'int'
a.cc: In function 'int main()':
a.cc:11:12: error: 'n' was not declared in this scope; did you mean 'yn'?
   11 |     cin >> n;
      |            ^
      |            yn
a.cc:13:16: error: 'a' was not declared in this scope
   13 |         cin >> a[i];
      |                ^
a.cc:21:41: error: 'a' was not declared in this scope
   21 |         if (ans > 1000000000000000000 / a[i]) {
      |                                         ^
a.cc:25:16: error: 'a' was not declared in this scope
   25 |         ans *= a[i];
      |                ^
Language: C++

#include <bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
#pragma GCC target("sse,sse2,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define watch(x) cout <<(#x)<<" is "<<(x)<<endl
#define debug cout <<"hi"<<endl
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
const int MOD=1e9+7;
const int INF32=1<<30;
const ll INF64=1LL<<60;
const x18=1e18;
int main(){
  int n; cin >>n; ll m=1;
  vector<ll>v(n);
  for(int i=0; i<n; i++){
    cin >>v[i];
    if(!v[i]){cout <<0; return 0;}
  }
  for(int i=0; i<n; i++){
    if(v[i]<=x18/m) m*=v[i];
    else{cout <<-1; return 0;}
  }
  cout <<m;
return 0;}

Compiler output:
a.cc:13:7: error: 'x18' does not name a type
   13 | const x18=1e18;
      |       ^~~
a.cc: In function 'int main()':
a.cc:22:14: error: 'x18' was not declared in this scope
   22 |     if(v[i]<=x18/m) m*=v[i];
      |              ^~~
Language: C++

// ConsoleApplication1.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>
#include <string>
#include <vector>
#include <set>
#include <map>
#include <algorithm>
#include <cmath>
#include <queue>

#define MAXCHAR 255
#define ll long long

using namespace std;
const ll dividend = 1000000007;
const ll limit = pow(10, 18);

ll funcComb(int n, int k) 
{
	ll output = 1;
	int sum = n + k;
	vector<int> dividends;
	for (int i = 0; i < k; i++)
	{
		dividends.push_back(k - i);
	}
	for (int i = 0; i < k; i++)
	{
		output *= sum - i;
		for (auto it = dividends.begin(); it != dividends.end(); it++)
		{
			if (*it == 0)
				continue;
			if (output % *it == 0)
			{
				output /= *it;
				*it = 0;
			}
		}
		if (output > dividend)
		{
			output %= dividend;
		}
	}

	return output;
}

int main()
{
	int n;
	cin >> n;
	ll output = 1;
	bool overflow = false;
	for (int i = 0; i < n; i++)
	{
		ll number;
		cin >> number;
		if (number == 0)
		{
			output = 0;
			break;
		}
		
		if (output <= limit/number)
		{
			output *= number;
			continue;
		}
		overflow = true;
	}
	if (overflow)
	{
		cout << -1 << endl;
		return 0;
	}
	cout << output << endl;
	return 0;

}

Compiler output:
a.cc:4:10: fatal error: stdafx.h: No such file or directory
    4 | #include "stdafx.h"
      |          ^~~~~~~~~~
compilation terminated.
Language: C++

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


int main() {
        const unsigned long long int check = 1e18;
        unsigned long long int answer = 1;

        int N = 0;
        cin >> N;

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

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

    return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:38:14: error: expected '}' at end of input
   38 |     return 0;
      |              ^
a.cc:8:12: note: to match this '{'
    8 | int main() {
      |            ^
Language: C++

//   Rishabh Agarwal
#include <bits/stdc++.h>
#define F first
#define S second
#define MAX 10000003
using namespace std;

typedef long double ll;
const ll mod = 1e18;
long double PI=3.1415926;


int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    ll t;
    //cin>>t;
    t=1;
    //ll c=1;
    while(t--){
        ll n;
        cin>>n;
        ll a;
        ll ans=1;
        for(ll x=0; x<n; x++){
           cin>>a;
            if(a==0){
                ans=0;
            }
            if(ans>1000000000000000000||ans<0){
                ans=-1;
            }
            if(ans!=-1){
                ans=ans*a;
            }
        }
        cout<<(long long int)ans<<"\n";
        v.clear();
        //cout<<"Case #"<<c<<": "<<ans<<"\n";
        //c++;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:40:9: error: 'v' was not declared in this scope
   40 |         v.clear();
      |         ^
Language: C++

//   Rishabh Agarwal
#include <bits/stdc++.h>
#define F first
#define S second
#define MAX 10000003
using namespace std;

typedef long double ll;
const ll mod = 1e18;
long double PI=3.1415926;


int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    ll t;
    //cin>>t;
    t=1;
    //ll c=1;
    while(t--){
        ll n;
        cin>>n;
        ll a;
        ll ans=1;
        for(ll x=0; x<n; x++){
           cin>>a;
            if(a==0){
                ans=0;
            }
            if(ans>1000000000000000000||ans<0){
                ans=-1;
            }
            if(ans!=-1){
                ans=ans*a[x];
            }
        }
        cout<<(long long int)ans<<"\n";
        v.clear();
        //cout<<"Case #"<<c<<": "<<ans<<"\n";
        //c++;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:36:26: error: invalid types 'll {aka long double}[ll {aka long double}]' for array subscript
   36 |                 ans=ans*a[x];
      |                          ^
a.cc:40:9: error: 'v' was not declared in this scope
   40 |         v.clear();
      |         ^
Language: C++

#include<iostream>
using namespace std;
int solve(){
  int n;
  cin>>n;
  for(int i=0;i<n;i++){
    cin>>a[i];
  }
  for(int i=0;i<n;i++){
  	mul=mul*a[i];
    if(mul<0||mul>1000000000000000000)return cout<<"-1"<<endl,0;
  }
  cout<<mul<<endl;
}
int main(){
	solve();
}

Compiler output:
a.cc: In function 'int solve()':
a.cc:7:10: error: 'a' was not declared in this scope
    7 |     cin>>a[i];
      |          ^
a.cc:10:9: error: 'mul' was not declared in this scope
   10 |         mul=mul*a[i];
      |         ^~~
a.cc:10:17: error: 'a' was not declared in this scope
   10 |         mul=mul*a[i];
      |                 ^
a.cc:13:9: error: 'mul' was not declared in this scope
   13 |   cout<<mul<<endl;
      |         ^~~
a.cc:14:1: warning: control reaches end of non-void function [-Wreturn-type]
   14 | }
      | ^
Language: C++

//B
#include<bits/stdc++.h>

using namespace std;
typedef long long LL;
const LL MOD = 1e9 + 7;

int main(){
	bool lebih = 0. nol = 0;
	int N;
	LL cnt = 1;
	scanf("%d", &N);
	LL arr[N + 1];
	for (int i = 0; i < N; i++) {
		scanf("%lld", &arr[i]);
		if (arr[i] == 0) nol = 1;
	}
	if (nol) printf("0\n");
	else {
		for (int i = 0; i < N; i++) {
			if (cnt > 1e18 / arr[i]) lebih = 1;
			cnt *= arr[i];	
		}
		if (lebih) printf("-1\n");		
		else printf("%lld\n", cnt);
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:25: error: expected ',' or ';' before 'nol'
    9 |         bool lebih = 0. nol = 0;
      |                         ^~~
a.cc:16:34: error: 'nol' was not declared in this scope
   16 |                 if (arr[i] == 0) nol = 1;
      |                                  ^~~
a.cc:18:13: error: 'nol' was not declared in this scope
   18 |         if (nol) printf("0\n");
      |             ^~~
Language: C++

#include<bits/stdc++.h>
#define FAST_IO ios::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define int long long int

using namespace std;

void solve()
{
  int n;
  cin>>n;
  int pro=1;
  int flag=1;
  int input;
  vector<int> v(n);
  for(int i=0;i<n;i++)
    cin>>v[i];
  sort(v.begin(), v.end());
  while(int i=0;i<n;i++)
  {
    pro*=v[i];
    if(pro>(int)1e18 or pro<0)
      flag=0;

  }
  if(flag==0)
    cout<<-1<<endl;
  else
    cout<<pro<<endl;




}
signed main()

{
  FAST_IO;
  int t = 1;

  // cin>>t;

  while(t--)
  {
    solve();
  }
  
  return 0;
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:18:16: error: expected ')' before ';' token
   18 |   while(int i=0;i<n;i++)
      |        ~       ^
      |                )
a.cc:18:17: error: 'i' was not declared in this scope
   18 |   while(int i=0;i<n;i++)
      |                 ^
Language: C++

#include<iostream>
using namespace std;
int main()
{
   long double a,mul;
    long double b;
    cin>>a;
    cin>>b;
    mul=a*b;
    cout<<long int(mul)<<"\n";
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:11: error: expected primary-expression before 'long'
   10 |     cout<<long int(mul)<<"\n";
      |           ^~~~
Language: Java

import java.util.*;
class Main{
public static void  main(String[] args){
Scanner sc=new Scanner(System.in);
  
  int A= sc.nextInt();
 long long result=0;
 long long x=1;
  for(int i=0;i<A;i++){
 long long y=sc.nextInt();
    x*=y;
    if(x>1000000000000000000){
    result=0;
      break;
    }
    else{
    
    result=x;}
  
  }
  
  System.out.println(result);

}


}


Compiler output:
Main.java:7: error: not a statement
 long long result=0;
 ^
Main.java:7: error: ';' expected
 long long result=0;
     ^
Main.java:8: error: not a statement
 long long x=1;
 ^
Main.java:8: error: ';' expected
 long long x=1;
     ^
Main.java:10: error: not a statement
 long long y=sc.nextInt();
 ^
Main.java:10: error: ';' expected
 long long y=sc.nextInt();
     ^
Main.java:12: error: integer number too large
    if(x>1000000000000000000){
         ^
7 errors
Language: C

#include<stdio.h>
int main()
{
    int t;
    scanf("%d",&t);
    while(t--)
    {
        int m,s=0;
        int array[m];
        size_t i = 0;
        for (i=0; i<m; i++){
            cin>>a[i];
          s+=a[i]
}
    }
}

Compiler output:
main.c: In function 'main':
main.c:12:13: error: 'cin' undeclared (first use in this function)
   12 |             cin>>a[i];
      |             ^~~
main.c:12:13: note: each undeclared identifier is reported only once for each function it appears in
main.c:12:18: error: 'a' undeclared (first use in this function)
   12 |             cin>>a[i];
      |                  ^
main.c:13:18: error: expected ';' before '}' token
   13 |           s+=a[i]
      |                  ^
      |                  ;
   14 | }
      | ~
Language: C++

#include <iostream>
using namespace std;
const long long max_n = 10e18;
int main(){
  
  int n;
  cin >> n;
  long long total =1
  while(n){
    int m;
    cin >> m;
    
    total *= m;
  }
  if( total > max_n ){
    cout << -1 << endl;
    return 0;
  }
  
  cout << total << endl;
 
  return 0;
}

Compiler output:
a.cc:3:25: warning: overflow in conversion from 'double' to 'long long int' changes value from '1.0e+19' to '9223372036854775807' [-Woverflow]
    3 | const long long max_n = 10e18;
      |                         ^~~~~
a.cc: In function 'int main()':
a.cc:9:3: error: expected ',' or ';' before 'while'
    9 |   while(n){
      |   ^~~~~
Language: Java

import java.util.*;
class Main{
public static void  main(String[] args){
Scanner sc=new Scanner(System.in);
  
  int A= sc.nextInt();
  long result=0;
  long x=1;
  for(int i=0;i<A;i++){
  long y=sc.nextInt();
    x*=y;
    if(x>1000000000000000000){
    result=0;
      break;
    }
    else{
    
    result=x;}
  
  }
  
  System.out.println(result);

}


}


Compiler output:
Main.java:12: error: integer number too large
    if(x>1000000000000000000){
         ^
1 error
Language: Java

import java.util.*;
class Main{
public static void  main(String[] args){
Scanner sc=new Scanner(System.in);
  
  int A= sc.nextInt();
  int result=0;
  int x=1;
  for(int i=0;i<A;i++){
  int y=sc.nextInt();
    x*=y;
    if(x>1000000000000000000){
    result=0;
      break;
    }
    else{
    
    result=x;}
  
  }
  
  System.out.println(result);

}


}

Compiler output:
Main.java:12: error: integer number too large
    if(x>1000000000000000000){
         ^
1 error
Language: C++

#include <iostream>
using namespace std;

int main(){
  int n;
  long long ans = 1;
  cin >> n;
  for(int i = 0; n > i; i++) {
    long long a;
    cin >> a;
    if(a > 1e18LL / ans) {
      cout << -1 << endl;
      return 0;
    }
    ans = ans * a;
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:12: error: unable to find numeric literal operator 'operator""LL'
   11 |     if(a > 1e18LL / ans) {
      |            ^~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define endl "\n"
#define F first
#define S second
#define mod 1000000007
#define pb push_back
#define ios ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
const int NUM = 2e5 + 5;
vector<int> g[1005];
bool vis[1005];
int main(){
    ios
    int num_tests=1; 
    //cin>>num_tests;
    while(num_tests-->0){
        int n; cin>>n;
        vector<ll> a(n);
        for(auto &o:a) cin>>o;
        for(int i=-0;i<n;i++){
            if(a[i]==0){
                cout<<0; return 0;
            }
        }
        long double lg = 0;
        for(int i=0;i<n;i++){
            lg+=log10(a[i]);
        }
        if(lg>18.1){
            cout<<-1; return 0;
        }
        ll ans=1;
        for(int i:a) ans*=a[i];
        if(ans>1000000000000000000){ cout<<-1; return;}
        else cout<<ans<<endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:35:48: error: return-statement with no value, in function returning 'int' [-fpermissive]
   35 |         if(ans>1000000000000000000){ cout<<-1; return;}
      |                                                ^~~~~~
Language: C++

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

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int t = 1;
    for(int T = 0; T < t ; T++){
        ll n, ans = 1;
        cin >> n;
        ll a[n];
        bool as = true;
        for(int i = 0 ; i < n ; i++){
            cin >> a[i];
          	if(a[i] > 1000000000000000000/ans){
             as = false;
              break;
            }
            ans *= a[i];
        }
        if(ans > 1000000000000000000 || as = false)
        std::cout << -1 << std::endl;
        else
        cout << ans << endl;
        
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:38: error: lvalue required as left operand of assignment
   23 |         if(ans > 1000000000000000000 || as = false)
      |            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
Language: C

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
using namespace std;

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

    int n;
    cin >> n;
    vector<long long> a;
    for (int i = 0; i < n; i++) {
        long long b;
        cin >> b;
        if (b == 0) {
            cout << 0 << "\n";
            return 0;
        }
        a.push_back(b);
    }
    long long r = 1;
    for (auto x : a) {
        long long tmp = r;
        r *= x;
        if (r / x == tmp && r <= 1000000000000000000) {
            continue;
        }
        else {
            cout << -1 << "\n";
            return 0;
        }
    }
    cout << r << "\n";
}

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


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

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

    int n;
    cin >> n;
    vector<long long> a;
    for (int i = 0; i < n; i++) {
        long long b;
        cin >> b;
        if (b == 0) {
            cout << 0 << "\n";
            return 0;
        }
        a.push_back(b);
    }
    long long r = 1;
    for (auto x : a) {
        long long tmp = r;
        r *= x;
        if (r / x == tmp && r <= 1000000000000000000) {
            continue;
        }
        else {
            cout << -1 << "\n";
            return 0;
        }
    }
    cout << r << "\n";
}

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

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		long [] in = new long [a];
        for(int i=0;i<a;i++){
                             in[i] = sc.nextLong();
                            }
        Arrays.sort(in);
		long ans = 1;
        String b = "1000000000000000000";
        long c = (long) b;
        for(int i=0;i<a;i++){if(in[i]==0){ans=0;break;}
                             if(in[i]<=c/ans){ans*=in[i];
                                             }else{ans=-1;break;}
                            }
		System.out.println(ans);
	}
}


Compiler output:
Main.java:13: error: incompatible types: String cannot be converted to long
        long c = (long) b;
                        ^
1 error
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		long [] in = new long [a];
        for(int i=0;i<a;i++){
                             in[i] = sc.nextLong();
                            }
        Arrays.sort(in);
		long ans = 1;
        String b = 1000000000000000000;
        long c = (long) b;
        for(int i=0;i<a;i++){if(in[i]==0){ans=0;break;}
                             if(in[i]<=c/ans){ans*=in[i];
                                             }else{ans=-1;break;}
                            }
		System.out.println(ans);
	}
}

Compiler output:
Main.java:12: error: integer number too large
        String b = 1000000000000000000;
                   ^
1 error
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		long [] in = new long [a];
        for(int i=0;i<a;i++){
                             in[i] = sc.nextLong();
                            }
        Arrays.sort(in);
		long ans = 1;
        long b = 1000000000000000000;
        for(int i=0;i<a;i++){if(in[i]==0){ans=0;break;}
                             if(in[i]<=b/ans){ans*=in[i];
                                             }else{ans=-1;break;}
                            }
		System.out.println(ans);
	}
}

Compiler output:
Main.java:12: error: integer number too large
        long b = 1000000000000000000;
                 ^
1 error
Language: Java

import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		long [] in = new long [a];
        for(int i=0;i<a;i++){
                             in[i] = sc.nextLong();
                            }
        Arrays.sort(in);
		long ans = 1;
        for(int i=0;i<a;i++){if(in[i]==0){ans=0;break;}
                             if(in[i]<=1000000000000000000/ans){ans*=in[i];
                                             }else{ans=-1;break;}
                            }
		System.out.println(ans);
	}
}


Compiler output:
Main.java:13: error: integer number too large
                             if(in[i]<=1000000000000000000/ans){ans*=in[i];
                                       ^
1 error
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;
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:
main.c: In function 'main':
main.c:24:1: error: expected declaration or statement at end of input
   24 | printf("%lld\n",prod);
      | ^~~~~~
Language: C

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

int main()
{
    int n;
    long long c, ans=1;
    cin>>n;
    for(int i=0; i<n; i++)
    {
        cin>>c;
        if(c==0)
        {
            ans=0;
            break;
        }
        if(c>10000000000000000/ans)
            ans=-1;
        if(ans!=-1)
            ans*=c;
    }
    cout<<ans;
    return 0;
}


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

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
#define rep(i,N) for(int i=0; i<N; i++){    ;
#define int long long ;
#define double long double ;
int main() {
  int  A;
double B;
cin>>A>>B;
cout<<A*B <<endl;
}


Compiler output:
a.cc:5:18: error: declaration does not declare anything [-fpermissive]
    5 | #define int long long ;
      |                  ^~~~
a.cc:7:1: note: in expansion of macro 'int'
    7 | int main() {
      | ^~~
a.cc:7:5: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    7 | int main() {
      |     ^~~~
a.cc: In function 'int main()':
a.cc:5:18: error: declaration does not declare anything [-fpermissive]
    5 | #define int long long ;
      |                  ^~~~
a.cc:8:3: note: in expansion of macro 'int'
    8 |   int  A;
      |   ^~~
a.cc:8:8: error: 'A' was not declared in this scope
    8 |   int  A;
      |        ^
a.cc:6:21: error: declaration does not declare anything [-fpermissive]
    6 | #define double long double ;
      |                     ^~~~~~
a.cc:9:1: note: in expansion of macro 'double'
    9 | double B;
      | ^~~~~~
a.cc:9:8: error: 'B' was not declared in this scope
    9 | double B;
      |        ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main(void) {
  unsigned long long ans = 1;
  int N; cin >> N;

  bool OF = false;
  
  for (int i = 0; i < N; i++) {
    unsigned long long A; cin >> A;
    unsigned long long tmp = ans*A;

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

    if (!OF) {

      if (tmp/A != ans || tmp > 1000000000000000000) {
        of = true;
      }

      ans = tmp;
    }
  }

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

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:9: error: 'of' was not declared in this scope; did you mean 'OF'?
   23 |         of = true;
      |         ^~
      |         OF
Language: C++

#include <bits/stdc++.h> 
using namespace std;
#define endl "\n"
typedef long long int ll;
int main(){
 
   ll n;
   cin>>n;
ll x;
   ll y=1;
    ll arr[n];
  for(int i=0;i<n;i++){
  {//y*=x;
  cin>>arr[i];
    if(arr[i])
    {
      
      cout<<0<<endl;
      return 0;
    }
  }
  ll ex=1e18;
  for(int i=0;i<n;i++){
      
    if(arr[i]>ex/y)
    {
    cout<<-1<<endl;
      return 0;
    }
   y*=arr[i];
  }
  
  
     cout<<y<<endl;
   
   return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:37:2: error: expected '}' at end of input
   37 | }
      |  ^
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h> 
using namespace std;
#define endl "\n"
typedef long long int ll;
int main(){
 
   ll n;
   cin>>n;
ll x;
   ll y=1;
    ll arr[n];
  while(cin>>x)
  {//y*=x;
  cin>>arr[i];
    if(arr[i])
    {
      
      cout<<0<<endl;
      return 0;
    }
  }
  ll ex=1e18;
  for(int i=0;i<n;i++){
      
    if(arr[i]>ex/y)
    {
    cout<<-1<<endl;
      return 0;
    }
   y*=arr[i];
  }
  
  
     cout<<y<<endl;
   
   return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:12: error: 'i' was not declared in this scope
   14 |   cin>>arr[i];
      |            ^
Language: C++

n = int(input())
MX = 10**18
a = list(map(int, input().split()))
a.sort()
ans = 1
for x in a:
  ans *= x
  if ans > MX:
    print(-1)
    exit(0)
print(ans)


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

#include <cstdio>
#include <iostream>
#include <cmath>
#include <string>
#include <vector>
 
using namespace std;
 
int main()
{
    int n;
    cin >> n;
    long long aa = 1;
    
    for (int i = 0; i < n; i++)
	{
		long long bb;
		cin >> bb;
		
		aa *= bb;
	}
	
	if (aa > 1000000000000000000)
	{
		cout << -1;
		break;
	}
	
	cout << aa;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:17: error: break statement not within loop or switch
   26 |                 break;
      |                 ^~~~~
Language: C++

#@author: Behradm

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

    a.sort()
    res = 1
    for i in range(n):
        res *= a[i]
        if (res > 1000000000000000000):
            print(-1)
            return 0
    print(res)

if (__name__ == "__main__"):
    main()


Compiler output:
a.cc:1:2: error: invalid preprocessing directive #@
    1 | #@author: Behradm
      |  ^
a.cc:3:1: error: 'def' does not name a type
    3 | def main():
      | ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using P = pair<int, int>;

int main(){
    int n;
    cin >> n;
    long long a, ans = 1;
    long long lim = pow(10, 18);
    bool flag = false;
    for(int i = 0; i < n; i++){
        cin >> a;
        if(a == 0){
            cout << 0 << endl;
            return 0;
        }
        if(lim / a => ans) ans *= a;
        else flag = true;
    }
    if(flag) cout << -1 << endl;
    else cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:21: error: expected primary-expression before '>' token
   17 |         if(lim / a => ans) ans *= a;
      |                     ^
Language: C++

#include <iostream>
#include <stdio.h>
using namespace std;
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:10:2: error: expected ';' before 'for'
   10 | 2
      |  ^
      |  ;
   11 | for(int i=0;i<n;i++)if(a[i]==0) zero ++;
      | ~~~
a.cc:11:13: error: 'i' was not declared in this scope
   11 | for(int i=0;i<n;i++)if(a[i]==0) zero ++;
      |             ^
Language: C++

#include<bits/stdc++.h>

#define rep(i,n) for(int i = 0; i < (n); i++)
#define rrep(i,n) for(int i = (n)-1; i >= 0; i--)
#define rep1(i,n) for(int i = 1; i <= (n); i++)
#define rrep1(i,n) for(int i = (n); i > 0; i--)

#define ll long long
#define pi pair<int, int>
#define pll pair<ll, ll>

#define MOD 1000000007
#define INF 1000000000000000LL

using namespace std;

int main(){
  int n;cin>>n;
  vector<ll> a(n);
  rep(i, n)cin>>a[i];

  for(auto c:a)if(c==0) { cout<<-0 return 0;}

  ll result=1;
  ll MAX = 1000000000000000000;
  for(auto c:a)if(c==0){
    // same as result*c>MAX
    if(result>MAX/c) { cout<<-1; return 0;}
    result *= c;
  }

  cout<<result<<endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:35: error: expected ';' before 'return'
   22 |   for(auto c:a)if(c==0) { cout<<-0 return 0;}
      |                                   ^~~~~~~
      |                                   ;
Language: C++

#include <bits/stdc++.h>
#include <stdio.h>
#define ll long long
#define m 1000000007
using namespace std;
string s;
int main() {
    int n;
    cin>>n;
    ll a[n];
    int cnt=0;
    for(int i=0;i<n;i++)
    {
        cin>>a[i];
        if(a[i]==0)
        {
            cnt++;
        }
    }
    if(cnt>0)
    {
        std::cout << 0 << std::endl;
    }
    ll ans = 1
    for(int i=0;i<n;i++)
    {
        if(a[i]<=(ll)10e18/ans){
            ans*=a[i];
        }else{
            std::cout << -1 << std::endl;
        }
    }
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:5: error: expected ',' or ';' before 'for'
   25 |     for(int i=0;i<n;i++)
      |     ^~~
a.cc:25:17: error: 'i' was not declared in this scope
   25 |     for(int i=0;i<n;i++)
      |                 ^
Language: C++

#include <bits/stdc++.h>

#define rep(i, n) for (int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;
const ll INF = 1e18;

int main() {
  ll n, ans = 1, a, bans;
  bool over = false, zero = false;
  cin >> n;
  rep(i, n) {
    cin >> a;
    if (a == 0) {
      zero = true;
      break
    }
    if (a <= INF / ans)
      ans *= a;
    else
      over = true;
  }

  if (zero)
    puts("0");
  else
    cout << (over ? -1 : ans) << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:12: error: expected ';' before '}' token
   16 |       break
      |            ^
      |            ;
   17 |     }
      |     ~