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

#include <bits/stdc++.h>
#define ll long long int
#define rep(i,a,b) for(long long i=a; i<b; i+=1)
#define repr(i,a,b) for(long long i=a; i<=b; i+=1)
#define vec vector<ll>
#define map map<char,int>
#define repa(p,A) for(auto p:A)
#define pb push_back
#define sort(a) sort(a.begin(),a.end())
#define reverse(a) reverse(a.begin(),a.end())
const double PI=acos(-1);
using namespace std;

int main( ) {
    ll N;
    cin>>N;
    ll count=1;
    vec A(N);
    rep(i,0,N) {
        cin>>A[i];
        if(A[i]==0) {
            cout<<"0"<<endl;
            return 0;
            }
        }
    sort(A);
    rep(i,0,N) {
        count*=A[i];
        if(count==0) {
            cout<<"0"<<endl;
            return 0;
        }
        if(A[i]>=(1000000000000000000+count-1)/count && count!<=1000000000000000000) {
            cout<<"-1"<<endl;
            return 0;
        }
        }
        cout<<count<<endl;
        }

Compiler output:
a.cc: In function 'int main()':
a.cc:33:62: error: expected ')' before '!' token
   33 |         if(A[i]>=(1000000000000000000+count-1)/count && count!<=1000000000000000000) {
      |           ~                                                  ^
      |                                                              )
Language: C++

#include <bits/stdc++.h>
#define ll long long int
#define rep(i,a,b) for(long long i=a; i<b; i+=1)
#define repr(i,a,b) for(long long i=a; i<=b; i+=1)
#define vec vector<ll>
#define map map<char,int>
#define repa(p,A) for(auto p:A)
#define pb push_back
#define sort(a) sort(a.begin(),a.end())
#define reverse(a) reverse(a.begin(),a.end())
const double PI=acos(-1);
using namespace std;

long long int main( ) {
    ll N;
    cin>>N;
    ll count=1;
    vec A(N);
    rep(i,0,N) {
        cin>>A[i];
        if(A[i]==0) {
            cout<<"0"<<endl;
            return 0;
            }
        }
    sort(A);
    rep(i,0,N) {
        count*=A[i];
        if(count==0) {
            cout<<"0"<<endl;
            return 0;
        }
        if(A[i]>1000000000000000000/count) {
            cout<<"-1"<<endl;
            return 0;
        }
        }
        cout<<count<<endl;
        }

Compiler output:
a.cc:14:11: error: '::main' must return 'int'
   14 | long long int main( ) {
      |           ^~~
Language: C++

#include <bits/stdc++.h>
#define ll long long int
#define rep(i,a,b) for(long long i=a; i<b; i+=1)
#define repr(i,a,b) for(long long i=a; i<=b; i+=1)
#define vec vector<ll>
#define map map<char,int>
#define repa(p,A) for(auto p:A)
#define pb push_back
#define sort(a) sort(a.begin(),a.end())
#define reverse(a) reverse(a.begin(),a.end())
const double PI=acos(-1);
using namespace std;

def main( ) {
    ll N;
    cin>>N;
    ll count=1;
    vec A(N);
    rep(i,0,N) {
        cin>>A[i];
        if(A[i]==0) {
            cout<<"0"<<endl;
            return 0;
            }
        }
    sort(A);
    rep(i,0,N) {
        count*=A[i];
        if(count==0) {
            cout<<"0"<<endl;
            return 0;
        }
        if(count>1000000000000000000) {
            cout<<"-1"<<endl;
            return 0;
        }
        }
        cout<<count<<endl;
        }

Compiler output:
a.cc:14:1: error: 'def' does not name a type
   14 | def main( ) {
      | ^~~
Language: C++

#include <bits/stdc++.h>
#define ll long long int
#define rep(i,a,b) for(long long i=a; i<b; i+=1)
#define repr(i,a,b) for(long long i=a; i<=b; i+=1)
#define vec vector<ll>
#define map map<char,int>
#define repa(p,A) for(auto p:A)
#define pb push_back
#define sort(a) sort(a.begin(),a.end())
#define reverse(a) reverse(a.begin(),a.end())
const double PI=acos(-1);
using namespace std;

long long main( ) {
    ll N;
    cin>>N;
    ll count=1;
    vec A(N);
    rep(i,0,N) {
        cin>>A[i];
        if(A[i]==0) {
            cout<<"0"<<endl;
            return 0;
            }
        }
    sort(A);
    rep(i,0,N) {
        count*=A[i];
        if(count==0) {
            cout<<"0"<<endl;
            return 0;
        }
        if(count>1000000000000000000) {
            cout<<"-1"<<endl;
            return 0;
        }
        }
        cout<<count<<endl;
        }

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

#include <bits/stdc++.h>
#define ll long long int
#define rep(i,a,b) for(long long i=a; i<b; i+=1)
#define repr(i,a,b) for(long long i=a; i<=b; i+=1)
#define vec vector<ll>
#define map map<char,int>
#define repa(p,A) for(auto p:A)
#define pb push_back
#define sort(a) sort(a.begin(),a.end())
#define reverse(a) reverse(a.begin(),a.end())
const double PI=acos(-1);
using namespace std;

long long int main( ) {
    ll N;
    cin>>N;
    ll count=1;
    vec A(N);
    rep(i,0,N) {
        cin>>A[i];
        if(A[i]==0) {
            cout<<"0"<<endl;
            return 0;
            }
        }
    sort(A);
    rep(i,0,N) {
        count*=A[i];
        if(count==0) {
            cout<<"0"<<endl;
            return 0;
        }
        if(count>1000000000000000000) {
            cout<<"-1"<<endl;
            return 0;
        }
        }
        cout<<count<<endl;
        }

Compiler output:
a.cc:14:11: error: '::main' must return 'int'
   14 | long long int main( ) {
      |           ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main(void){
  ll n;
  cin >> n;
  ll row[n];
  ll result=1;
  for(int i=0;i<n;i++){
    cin >> row[i];
    if(row[i] == 0){
      cout << 0 << endl;
      return 0;
    }
  }  
  for(int i=0;i<n;i++){
    if(a[i] <= 1e18/result){
      result *= row[i];
    }else{
      cout << -1 << endl;
      return 0;
    }
  }  
  cout << result << endl;
  return 0;
  
}       

Compiler output:
a.cc: In function 'int main()':
a.cc:17:8: error: 'a' was not declared in this scope
   17 |     if(a[i] <= 1e18/result){
      |        ^
Language: C

#include <stdio.h>
int main(void){
  long long int n;
  scanf("%lld",&n);
  long long int w;
  long long int a=1;
  int i;


  for(i=0;i<n;i++){
    scanf("%lld",&w);
    if(w==0){
      printf("0");
      return 0;
    }

   if(w<=1000000000000000000/a){
    b=w*b;
   }else{
     printf("-1");
   }
  }
  
  
  printf("%lld",a);
  return 0;
  }

Compiler output:
main.c: In function 'main':
main.c:18:5: error: 'b' undeclared (first use in this function)
   18 |     b=w*b;
      |     ^
main.c:18:5: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include <stdio.h>

int main()
{
  int n,i;
  long a[],ans=1;
  scanf("%d",n);

  for(i=0; i<n; i++){
    scanf("%ld", &a[i]);
    ans *= a[i];
    }

  if(ans > 1000000000000000000)
    printf("-1");
  else
    printf("%ld",ans);
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:6:8: error: array size missing in 'a'
    6 |   long a[],ans=1;
      |        ^
Language: C++

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

int main(){
  ll N;
  cin >>N;
  ll ans,m=pow(10,18);
  bool can=true;
  for(int i=0;i<N;i++){
    cin >> a[i];
    if(a[i]==0){
      can=false;
      ans=0;
      break;
    }
  }
  for(ll i=0;i<N;i++){
    if(!can){
      break;
    }
    if(i==0){
      ans=a[i];
    }
    else{
      ans*=a[i];
    }
    if(ans>m){
      can=false;
    }
  }
 
  if(can){
    cout << ans <<endl;
  }
  else{
    cout << -1 <<endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:12: error: 'a' was not declared in this scope
   11 |     cin >> a[i];
      |            ^
a.cc:23:11: error: 'a' was not declared in this scope
   23 |       ans=a[i];
      |           ^
a.cc:26:12: error: 'a' was not declared in this scope
   26 |       ans*=a[i];
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define debug(x) cerr << # x << "; "<< x << endl


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

Compiler output:
a.cc: In function 'int main()':
a.cc:21:2: error: expected '}' at end of input
   21 | }
      |  ^
a.cc:6:12: note: to match this '{'
    6 | int main() {
      |            ^
Language: C++

#include<iostream>
#include<math.h>
#define rep(i,n) for(int i=0;i<(n);i++)
#define lrep(i,n) for(long int i=0;i<(n);i++)
using namespace std;
int main(){
	int n;
	cin >>n;
	long int a,ans=1;
	rep(i,n){
		cin >>a;
		ans=ans*a;
		if(ans<0){
			ans=-1;
			continue;
		}
		if(ans>1000000000000000000)ans=-1;
	}
	else cout<<ans;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:9: error: 'else' without a previous 'if'
   19 |         else cout<<ans;
      |         ^~~~
Language: C

#include<stdio.h>
int main(void)
{
  long p=1,n,a,i,t=1000000000000000000;

  scanf("%ld",&n);
  for(i=0;i<n;i++){
    scanf("%ld",&a);
    p*=a;
    m*=a;
  }
  if(p>t){
    printf("-1\n");
  }
  else{
    printf("%ld\n",p);
  }
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:10:5: error: 'm' undeclared (first use in this function)
   10 |     m*=a;
      |     ^
main.c:10:5: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin >> n;
  vector<long double> vec(n);
  int f1 = 0;
  //0があるかどうかのフラグ
  int f2 = 0;
  //10^{18}を超えたかどうかのフラグ
  for (int i = 0; i < n; i++){
    long double a;
    cin >> a;
    if (a == 0){
      f1++;
      cout << 0 << endl;
      break;
    }else{
      vec.at(i) = a;
    }
  }
  if (f1 == 0){
    //0の項がなかった場合以降の処理を行います
    sort(vec.begin(),vec.end());
    reverse(vec.begin(),vec.end());
    //sortで昇順に並び替え、reverseで降順に並び替えています
    long double ans = 1.0;
    for (int i = 0; i < n; i++){
      ans = ans*vec.at(i);
    }
    if (f2 == 0){
      if (ans > pow(10,18)){
        cout << -1 << endl;
      }else{
        cout << long long(ans) << endl;
      }
    }
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:35:17: error: expected primary-expression before 'long'
   35 |         cout << long long(ans) << endl;
      |                 ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin >> n;
  vector<long long double> vec(n);
  int f1 = 0;
  //0があるかどうかのフラグ
  int f2 = 0;
  //10^{18}を超えたかどうかのフラグ
  for (int i = 0; i < n; i++){
    long long double a;
    cin >> a;
    if (a == 0){
      f1++;
      cout << 0 << endl;
      break;
    }else{
      vec.at(i) = a;
    }
  }
  if (f1 == 0){
    //0の項がなかった場合以降の処理を行います
    sort(vec.begin(),vec.end());
    reverse(vec.begin(),vec.end());
    //sortで昇順に並び替え、reverseで降順に並び替えています
    long long double ans = 1;
    for (int i = 0; i < n; i++){
      ans = ans*vec.at(i);
    }
    if (f2 == 0){
      if (ans > pow(10,18)){
        cout << -1 << endl;
      }else{
        cout << ans << endl;
      }
    }
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:15: error: 'long long' specified with 'double'
    6 |   vector<long long double> vec(n);
      |               ^~~~
a.cc:12:10: error: 'long long' specified with 'double'
   12 |     long long double a;
      |          ^~~~
a.cc:27:10: error: 'long long' specified with 'double'
   27 |     long long double ans = 1;
      |          ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin >> n;
  vector<long long int> vec(n);
  int f1 = 0;
  //0があるかどうかのフラグ
  int f2 = 0;
  //10^{18}を超えたかどうかのフラグ
  for (int i = 0; i < n; i++){
    long long int a;
    cin >> a;
    if (a == 0){
      f1++;
      cout << 0 << endl;
      break;
    }else{
      vec.at(i) = a;
    }
  }
  if (f1 == 0){
    //0の項がなかった場合以降の処理を行います
    sort(vec.begin(),vec.end());
    reverse(vec.begin(),vec.end());
    //sortで昇順に並び替え、reverseで降順に並び替えています
    long long int ans = 1;
    for (int i = 0; i < n; i++){
      ans = ans*vec.at(i);
    }
    if (f2 == 0){
      if (ans > pow(10,18)){
        cout << -1 << endl;
      }else{
        cout << ans << endl;
    }
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:38:2: error: expected '}' at end of input
   38 | }
      |  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include<iostream>
using namespace std;
int main(){
    unsigned int i,;
    unsigned long long N,A,ans;
    cin >> N;
    for(i=1;i<=N;++i){
        cin >> A;
        if(i==1){
            ans=A;

        }
        else ans=ans*A;
        if(ans>1000000000000000000){
            break;
        }

    }
    if(ans>1000000000000000000){
        cout << "-1" << endl;
    }
    else cout << ans << endl;
    
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:20: error: expected unqualified-id before ';' token
    4 |     unsigned int i,;
      |                    ^
Language: C++

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

// Utility
#define ALL(X) (X).begin(), (X).end()
#define RANGE(I, X, Y) for (int I = (X); I < (Y); I++)
using ll = int64_t;
using ull = uint64_t;
namespace std {
template<class ...Ts>        istream& operator>>(istream& i, tuple<Ts...>& x) { apply([&](auto&&... ys){ ((i >> ys), ...); }, x); return i; }
template<class T1, class T2> istream& operator>>(istream& i, pair<T1, T2>& x) { i >> x.first >> x.second; return i; }
template<class T>            istream& operator>>(istream& i, vector<T>& x)    { for (auto& y : x) { i >> y; } return i; }
}

// Debugging
#define DD(X) std::cout << #X ": " << (X) << std::endl << std::flush
namespace std {
template<class ...Ts>        ostream& operator<<(ostream& o, const tuple<Ts...>& x) { o << "("; apply([&](auto&& y, auto&&... ys){ o << y; ((o << ", " << ys), ...); }, x); o << ")"; return o; }
template<class T1, class T2> ostream& operator<<(ostream& o, const pair<T1, T2>& x) { o << tie(x.first, x.second); return o; }
template<class T>            ostream& operator<<(ostream& o, const vector<T>& x)    { o << "{"; for (auto it = x.begin(); it != x.end(); it++) { if (it != x.begin()) { o << ", "; } o << *it; } o << "}"; return o; }
template<class T1, class T2> ostream& operator<<(ostream& o, const set<T1, T2>& x)  { o << "{"; for (auto it = x.begin(); it != x.end(); it++) { if (it != x.begin()) { o << ", "; } o << *it; } o << "}"; return o; }
template<class T1, class T2> ostream& operator<<(ostream& o, const map<T1, T2>& x)  { o << "{"; for (auto it = x.begin(); it != x.end(); it++) { if (it != x.begin()) { o << ", "; } o << *it; } o << "}"; return o; }
}

// Main
void mainCase() {
  int n;
  cin >> n;
  vector<ull> ls(n, 0);
  cin >> ls;
  sort(ALL(ls));

  // Check zero
  if (ls[0] == 0) {
    cout << 0 << endl;
    return;
  }

  ull lim = 1000'000'000'000'000'000ULL;
  ull res = 1;
  RANGE(i, 0, n) {
    // Check mul overflow by division
    // x.y > z  <=> x > z/y  <=> x > ⌊z/y⌋
    if (res > lim / ls[i]) {
      cout << -1 << endl;
      return;
    }
    res *= ls[i];
  }
  cout << res << endl;
}


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

#include <iostream>
#include <iomanip>
#include <algorithm>
#include <vector>
#include <set>
#include <map>
#include <math.h>
#include <string>
#include <numeric>
#include <queue>
#include <cstdio>
#include <cstring>
#define ll long long
#define rep(i,n) for(ll i=0;i<n;++i)
#define rep1(i,n) for(ll i=1;i<n;++i)
#define mrep(i,n) for(ll i=n;i>=0;--i)
#define all(a) (a).begin(),(a).end()
#define vl vector<ll>
#define vvl vector<vector<ll> >
#define vb vector<bool>
#define vvb vector<vector<bool> >
#define pl pair<ll,ll>
#define inf 1001001001001001000
//#define mod 1000000007
#define mod 998244353
#define pi 3.1415926535
using namespace std;
struct __INIT {
	__INIT() {
		cin.tie(0);
		ios::sync_with_stdio(false);
		cout << fixed << setprecision(15);
	}
}__init;


int main(void) {
	ll n;
	cin >> n;
	ll al = 1;
	ll ans = 0;
	vl as(n);
	rep(i, n) cin >> as[i];
	sort(all(as));
	if (as[0] == 0) {
		cout << 0 << endl;
		return;
	}
	rep(i, n) {
		ll a;
		a = as[i];
		if (a <= 1000000000000000000 / (double)al) {
			al *= a;
		}
		else {
			cout << -1 << endl;
			return;
		}
	}
	cout << al << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:47:17: error: return-statement with no value, in function returning 'int' [-fpermissive]
   47 |                 return;
      |                 ^~~~~~
a.cc:57:25: error: return-statement with no value, in function returning 'int' [-fpermissive]
   57 |                         return;
      |                         ^~~~~~
Language: C++

#include <iostream>
#include <boost/multiprecision/cpp_int.hpp>
using namespace std;
namespace mp = boost::multiprecision;
int main()
{
    int n;
    cin>>n;
    mp::cpp_int a = 1;
    mp::cpp_int b[n];
    for (int i=0;i<n;i++)
    {
        cin>>b[i];
    }
    for (int i=0;i<n;i++)
    {
        if (b[i] == 0)
        {
            cout<<0;
            return 0;
        }
    }
    for (int i=0;i<n;i++)
    {
        a *= b[i];
        if ( (a > 100000000000000000 )
        {
            cout<<-1;
            return 0;
        }
    }
    cout<<a;
    return 0;
}

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 <iostream>
#include <boost/multiprecision/cpp_int.hpp>
using namespace std;
namespace mp = boost::multiprecision;
int main()
{
    int n;
    cin>>n;
    mp::cpp_int a = 1;
    mp::cpp_int b = 0;
    for (int i=0;i<n;i++)
    {
        cin>>b;
        if ( b==0 )
        {
            cout<<0;
            return 0;
        }
        a *= b;
        if ( (a/pow(10,18)) > 1 )
        {
            cout<<-1;
            return 0;
        }
    }
    cout<<a;
    return 0;
}

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 <iostream>
using namespace std;

int main(){
	ll a,b;
  	cin >> a >> b;
  	cout << a * b << endl; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'll' was not declared in this scope
    5 |         ll a,b;
      |         ^~
a.cc:6:16: error: 'a' was not declared in this scope
    6 |         cin >> a >> b;
      |                ^
a.cc:6:21: error: 'b' was not declared in this scope
    6 |         cin >> a >> b;
      |                     ^
Language: C++

#include <iostream>
using namespace std;

int main(){
	ll a,b;
  	cin >> a >> b;
  	if(a*b > 1e18) cout << -1 << endl;
  	else cout << a*b << endl; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'll' was not declared in this scope
    5 |         ll a,b;
      |         ^~
a.cc:6:16: error: 'a' was not declared in this scope
    6 |         cin >> a >> b;
      |                ^
a.cc:6:21: error: 'b' was not declared in this scope
    6 |         cin >> a >> b;
      |                     ^
Language: Java

import java.util.Scanner;
public classMain {
	public static void main(String[] args) {
		Scanner input=new Scanner(System.in);
		int n=input.nextInt();
		long mul=1,com;
		long[] arr=new long[n];
		for(int i=0;i<n;i++)
		{
			arr[i]=input.nextLong();
			mul=mul*arr[i];
		}
	    
		com=(long) Math.pow(10,18);
		if(mul>com)
			System.out.println(mul);
		else
			System.out.println();
		
		
	}

}


Compiler output:
Main.java:2: error: class, interface, enum, or record expected
public classMain {
       ^
Main.java:3: error: unnamed classes are a preview feature and are disabled by default.
	public static void main(String[] args) {
	              ^
  (use --enable-preview to enable unnamed classes)
Main.java:23: error: class, interface, enum, or record expected
}
^
3 errors
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int64_t n,ans=1;
  bool t=true;
  cin >> n;
  for(int64_t i=0;i<n;i++){
    int64_t j;
    cin >> j;
    if(j==0){
      cout << 0 << endl;
      t=false;
      break;
    }
    ans*=j;

  }    if(ans>1000000000000000000){
      cout << -1 << endl;
      t=false;
      break;
    }

  if(t)cout << ans << endl;
}
    
    



Compiler output:
a.cc: In function 'int main()':
a.cc:20:7: error: break statement not within loop or switch
   20 |       break;
      |       ^~~~~
Language: C++

#include<iostream>
using namespace std;
int main() {
  int n;
  cin >> n;
  long seki;
  for (int i = 0; i < n; i++) {
    long x; cin >> x;
    if ((long)1e18 / x > x) {
      return cout << -1 << endl, 0;
    }
    seki *= x;
  }
  cout << x << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:11: error: 'x' was not declared in this scope
   14 |   cout << x << endl;
      |           ^
Language: C++

#include <iostream>
using namespace std;
long long int a[100006];
int main () {
	int N, z=0;
	cin >> N;
	for (int i=0; i<N; i++) {
		cin >> a[i];
		if (a[i]==0) {
			zero++;
		}
	}
	if (zero>0) {
		cout << "0" << endl;
		return 0;
	}
	long long int sum=1;
	for (int i=0; i<N; i++) {
		if (a[i]<=1000000000000000000/sum) {
			sum*=a[i];
		}
		else {
			cout << "-1" << endl;
			return 0;
		}
	}
	cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:25: error: 'zero' was not declared in this scope
   10 |                         zero++;
      |                         ^~~~
a.cc:13:13: error: 'zero' was not declared in this scope
   13 |         if (zero>0) {
      |             ^~~~
Language: C++

#include <iostream>
#include <iomanip>
using namespace std;

int main()
{
	int n, x, sum=0;
	double ave;
	
	cin >>n;
	
	for (int i=1; i<=n; i**)
	{
			cin >> x;
		sum +=x;
	}
	
	ave = sum*1.0 / n;
	
	cout << sum <<' '<<fixed << setprecision(5)<< ave<<endl;
	
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:32: error: expected primary-expression before ')' token
   12 |         for (int i=1; i<=n; i**)
      |                                ^
Language: C++

#include <iostream>
#include <iomanip>
using namespace std;

int main()
{
	int n, x, sum=0;
	double ave;
	
	cin >>n;
	
	for (int i=1; i<=n; i**)
	{
			cin >> x;
		sum +=x;
	}
	
	ave = sum*1.0 / n;
	
	cout << sum <<' '<<fixed << setprecision(5)<< ave<<endl;
	
	return 0;
}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:32: error: expected primary-expression before ')' token
   12 |         for (int i=1; i<=n; i**)
      |                                ^
a.cc: At global scope:
a.cc:24:1: error: expected declaration before '}' token
   24 | }
      | ^
Language: C++

//Radhe Radhe
#include<bits/stdc++.h>
#define godspeed  ios_base:: sync_with_stdio(false); cin.tie(0); cout.tie(0);

#define limit 1000000000000000000 //1e18
#define mod 1000000007 //1e9+7
#define llu long long unsigned
#define ll long long
#define ld long double
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define rep(i,n)    for(ll i=0; i<n; i++)
#define rep1(i,a,b)    for(ll i=a; i<b; i++)
#define repV(i,n)    for(ll i=0; i<v.size(); i++)
#define fixed cout.setf(ios::fixed);
#define Precise cout.precision(7);
#define yes cout<<"Yes"<<'\n';
#define no cout<<"No"<<'\n';
using namespace std;

int main()
{
    godspeed
    llu  i,j,n,k,x,mult=1;
    cin>>n;
    bool exceed=0,zero=0;
    while(n--)
    {
        cin>>x;
        if(x==0)
            zero=1;
        if(!exceed&&!zero)
            mult*=x;
        // cout<<mult<<endl;
        if(mult>limit)
            exceed=1;
    }
    if(zero)
        cout<<0<<endl;
    else if(exceed)
    {
        else
            cout<<"-1"<<endl;
    }
    else
    {
        cout<<mult<<endl;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:44:9: error: expected '}' before 'else'
   44 |         else
      |         ^~~~
a.cc:43:5: note: to match this '{'
   43 |     {
      |     ^
a.cc: At global scope:
a.cc:47:5: error: expected unqualified-id before 'else'
   47 |     else
      |     ^~~~
a.cc:51:5: error: expected unqualified-id before 'return'
   51 |     return 0;
      |     ^~~~~~
a.cc:52:1: error: expected declaration before '}' token
   52 | }
      | ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  int s=0;
  int t=1;
  cin>>n;
vector<int> vec(n);
  for(int i=0;i<n;i++){
    cin>>vec.at(i);
    t*=vec.at(i);
    s+=double log10 (double vec(i));}
  if(s>18){cout<<-1<<endl;}
  else{cout<<t<<endl;}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:8: error: expected primary-expression before 'double'
   12 |     s+=double log10 (double vec(i));}
      |        ^~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  int s=0;
  int t=1;
  cin>>n;
vector<int> vec.at(n);
  for(int i=0;i<n;i++){
    cin>>vec.at(i);
    t*=vec.at(i);
    s+=double log10 (double vec(i));}
  if(s>18){cout<<-1<<endl;}
  else{cout<<t<<endl;}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:16: error: expected initializer before '.' token
    8 | vector<int> vec.at(n);
      |                ^
a.cc:10:10: error: 'vec' was not declared in this scope
   10 |     cin>>vec.at(i);
      |          ^~~
a.cc:12:8: error: expected primary-expression before 'double'
   12 |     s+=double log10 (double vec(i));}
      |        ^~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  int s=0;
  int t=1;
  cin>>n;
vector<int> vec(n);
  for(int i=0;i<n;i++){
    cin>>vec(i);
    t*=vec(i);
    s+=double log10 (double vec(i));}
  if(s>18){cout<<-1<<endl;}
  else{cout<<t<<endl;}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:13: error: no match for call to '(std::vector<int>) (int&)'
   10 |     cin>>vec(i);
      |          ~~~^~~
a.cc:11:11: error: no match for call to '(std::vector<int>) (int&)'
   11 |     t*=vec(i);
      |        ~~~^~~
a.cc:12:8: error: expected primary-expression before 'double'
   12 |     s+=double log10 (double vec(i));}
      |        ^~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  int s=0;
  int t=1;
  cin>>n;
vector<int> vec(n);
  for(i=0;i<n;i++){
    cin>>vec(i);
    t*=vec(i);
    s+=double log10 (double vec(i));}
  if(s>18){cout<<-1<<endl;}
  else{cout<<t<<endl;}
}
    
  

Compiler output:
a.cc: In function 'int main()':
a.cc:9:7: error: 'i' was not declared in this scope
    9 |   for(i=0;i<n;i++){
      |       ^
a.cc:12:8: error: expected primary-expression before 'double'
   12 |     s+=double log10 (double vec(i));}
      |        ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll inf = 1e9+7;

int main(){

    ll times,value;
    ll multi = 1;
    cin>>times;
    for (int i = 0; i < times; i++){
        cin>> value;
        multi *=  value;
    }if (log10(multi) < 18){
        cout << multi;
    }else{
        cout << -1;
    }



Compiler output:
a.cc: In function 'int main()':
a.cc:18:6: error: expected '}' at end of input
   18 |     }
      |      ^
a.cc:6:11: note: to match this '{'
    6 | int main(){
      |           ^
Language: C++

/**
 * code generated by JHelper
 * More info: https://github.com/AlexeyDmitriev/JHelper
 * @author apurba_debnath
 */

#include <bits/stdc++.h>

#define ll long long
#define DEBUG(x) cout << '>' << #x << ':' << x << endl

using namespace std;

class BMultiplication2 {
public:
    void solve(std::istream &in, std::ostream &out) {
        int n;
        in >> n;
        ll a[101010];
        ll zero = 0;
        for (int i = 0; i < n; ++i) {
            in >> a[i];
            if (a[i] == 0)
                zero++;
        }
        if (zero)
            out << 0;
        else {
            ll p = 1;
            for (int i = 0; i < n; ++i) {
                if (a[i] <= 1e18LL / p)
                    p *= a[i];
                else {
                    out << "-1";
                    return;
                }
            }
            out << p;
        }
    }
};


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

    BMultiplication2 solver;
    std::istream &in(std::cin);
    std::ostream &out(std::cout);
    solver.solve(in, out);

    return 0;
}


Compiler output:
a.cc: In member function 'void BMultiplication2::solve(std::istream&, std::ostream&)':
a.cc:31:29: error: unable to find numeric literal operator 'operator""LL'
   31 |                 if (a[i] <= 1e18LL / p)
      |                             ^~~~~~
Language: C++

/**
 * code generated by JHelper
 * More info: https://github.com/AlexeyDmitriev/JHelper
 * @author apurba_debnath
 */

#include <bits/stdc++.h>

#define ll long long
#define DEBUG(x) cout << '>' << #x << ':' << x << endl

using namespace std;

class BMultiplication2 {
public:
    void solve(std::istream &in, std::ostream &out) {
        int n;
        in >> n;
        ll a[101010];
        ll zero = 0;
        for (int i = 0; i < n; ++i) {
            in >> a[i];
            if (a[i] == 0)
                zero++;
        }
        if (zero)
            out << 0;
        else {
            ll p = 1;
            for (int i = 0; i < n; ++i) {
                if (a[i] <= ll(ll(1e18) / p))
                    p *= a[i];
                else {
                    out << "-1";
                    return;
                }
            }
            out << p;
        }
    }
};


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

    BMultiplication2 solver;
    std::istream &in(std::cin);
    std::ostream &out(std::cout);
    solver.solve(in, out);

    return 0;
}


Compiler output:
a.cc: In member function 'void BMultiplication2::solve(std::istream&, std::ostream&)':
a.cc:9:12: error: expected primary-expression before 'long'
    9 | #define ll long long
      |            ^~~~
a.cc:31:29: note: in expansion of macro 'll'
   31 |                 if (a[i] <= ll(ll(1e18) / p))
      |                             ^~
a.cc:9:12: error: expected ')' before 'long'
    9 | #define ll long long
      |            ^~~~
a.cc:31:29: note: in expansion of macro 'll'
   31 |                 if (a[i] <= ll(ll(1e18) / p))
      |                             ^~
a.cc:31:20: note: to match this '('
   31 |                 if (a[i] <= ll(ll(1e18) / p))
      |                    ^
Language: C++

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

int main() {
  int N;
  cin >> N;
  vector<int64_t> A(N);
  for (int i = 0; i < N; i++) {
    cin >> A.at(i);
  }
  if (count(A.begin(), A.end(), 0) != 0) {
    result = 0;
  }
  else {
    int64_t result = A.at(0);
    for (int i = 1; i < N; i++) {

      if (A.at(i) > 1000000000000000000 / result) {
        result = -1;
        break;
      }
      else {
        result *= A.at(i)
      }
    }
  }
  

  cout << result << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:5: error: 'result' was not declared in this scope
   12 |     result = 0;
      |     ^~~~~~
a.cc:23:26: error: expected ';' before '}' token
   23 |         result *= A.at(i)
      |                          ^
      |                          ;
   24 |       }
      |       ~                   
a.cc:29:11: error: 'result' was not declared in this scope
   29 |   cout << result << endl;
      |           ^~~~~~
Language: C++

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

int main(){
  ll n;
  cin >> n;
  vector<ll> a(n);
  ll ans = 1;
  for(int i = 0; i < n; i++){
    cin >> a[i];
    if(a[i] >= MOD){
      cout << -1 << endl;
      return 0;
    }
  }
  sort(a.begin(), a.end());
  for(int i = 0; i < n; i++){
    ans *= a[i];
    if(ans >= MOD){
      cout << -1 << endl;
      return 0;
    }
  }
  cout << ans << endl;
}

Compiler output:
a.cc:4:9: error: macro names must be identifiers
    4 | #define 1000000000000000000 MOD
      |         ^~~~~~~~~~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:13:16: error: 'MOD' was not declared in this scope
   13 |     if(a[i] >= MOD){
      |                ^~~
a.cc:21:15: error: 'MOD' was not declared in this scope
   21 |     if(ans >= MOD){
      |               ^~~
Language: C

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


Compiler output:
main.c: In function 'main':
main.c:8:2: error: expected ';' before 'for'
    8 | 2
      |  ^
      |  ;
    9 | for(int i=0;i<n;i++)if(a[i]==0) zero ++;
      | ~~~
Language: C

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


Compiler output:
main.c: In function 'main':
main.c:8:2: error: expected ';' before 'for'
    8 | 2
      |  ^
      |  ;
    9 | 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)
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];
  ll res = 1;
  rep(i,n) res *= a[i]
  if (res > 1000000000000000000) res = -1;
  cout << res << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:23: error: expected ';' before 'if'
   13 |   rep(i,n) res *= a[i]
      |                       ^
      |                       ;
   14 |   if (res > 1000000000000000000) res = -1;
      |   ~~
Language: C++

#include <algorithm>
#include <iostream>
#include <vector>
#include <functional>
#include <string>
#include <cmath>  //sqrt 
#include <iomanip> //setprecision
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define ll long long
int main(){
    auto mul = [](ll a,ll b){
        ll inf =pow(10,18);
        if(inf < a*b)return inf;
        else return a*b;
    }
    const long long  max = pow(10,18);
    long n; cin >> n;
    long long s = 1;
    vector<long long> a(n);
    for (int i = 0; i < n; i++)
    {
        cin >> a[i];
    }
    if(find(a.begin(),a.end(),0) != a.end()) s=0;
    
    for (long i = 0; i < n; i++)
    {
        
        s = mul(s, a[i]);
        if(s > max) {
            s = -1;
            break;
        }
    }
    
    cout << s << endl;
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:5: error: expected ',' or ';' before 'const'
   17 |     const long long  max = pow(10,18);
      |     ^~~~~
a.cc:31:14: error: invalid operands of types 'long long int' and '<unresolved overloaded function type>' to binary 'operator>'
   31 |         if(s > max) {
      |            ~~^~~~~
Language: C++

#include<iostream>
#include<vector>

int main(void){
    int n;
    long long dv = 1;
    long long max = 1;
    for(int i = 0; i < 18; i++){
	max *= 10;
    }
    std::cin >> n;
    std::vector<long long> a(n);

    for(int i = 0; i < n; i++){
	std::cin >> a[i];
    }

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

    bool flag2 = 0;

    if(!flag){
	for(int i = 0; i < n; i++){
    	    if(dv <= max / a[i] + 1&& dv * a[i] <= max){
    	        dv *= a[i];
    	    }
    	    else{
    	        std::cout << -1 << std::endl;
		return -1;
    	    }
    	}
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:27:9: error: 'flag' was not declared in this scope; did you mean 'flag2'?
   27 |     if(!flag){
      |         ^~~~
      |         flag2
Language: C++

#inlcude <iostream>
using namespace std;
int main(){
  int a, b, c;
  cin >> a;
  c = 0;
  for(int i =0; i < a; ++i){
    c *= b;
  } 
  if(b >= 1000000000000000000)
  {
    cout << "-1" << endl;
  }
  else
  {
    cout << c << endl;
  }
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inlcude; did you mean #include?
    1 | #inlcude <iostream>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   cin >> a;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #inlcude <iostream>
a.cc:12:5: error: 'cout' was not declared in this scope
   12 |     cout << "-1" << endl;
      |     ^~~~
a.cc:12:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:12:21: error: 'endl' was not declared in this scope
   12 |     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 | #inlcude <iostream>
a.cc:16:5: error: 'cout' was not declared in this scope
   16 |     cout << c << endl;
      |     ^~~~
a.cc:16:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:16:18: error: 'endl' was not declared in this scope
   16 |     cout << c << endl;
      |                  ^~~~
a.cc:16:18: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C++

#include <bits/stdc++.h>
 
using namespace std;
typedef long long ll;
typedef vector<int> VI;
ll mm=1000000000;ll MM=mm+7;
#define rep(i, n) for(int i=0;i<n;i++)
#define PI 3.141592653589793


int main(){
    int n;
    cin >> n;
    vector<ll> a(n);
    rep(i,n)cin >> a.at(i);
    sort(a.begin(),a.end());
    if(a.at(0)==0){
        cout << 0 << endl;
        return 0;
    }
    ll now=1;
    rep(i,n){
        if((ll)pow(10,18)/a(i)<now){
            cout << -1 << endl;
            return 0;
        }
        now*=a.at(i);

    }
    cout << now << endl;

}

    

Compiler output:
a.cc: In function 'int main()':
a.cc:23:28: error: no match for call to '(std::vector<long long int>) (int&)'
   23 |         if((ll)pow(10,18)/a(i)<now){
      |                           ~^~~
Language: C++

#include <bits/stdc++.h>
 
using namespace std;
typedef long long ll;
typedef vector<int> VI;
ll mm=1000000000;ll MM=mm+7;
#define rep(i, n) for(int i=0;i<n;i++)
#define PI 3.141592653589793


int main(){
    int n;
    cin >> n;
    vector<ll> a(n);
    rep(i,n)cin >> a.at(i);
    sort(a.begin(),a.end());
    if(a.at(i)==0){
        cout << 0 << endl;
        return 0;
    }
    ll now=1;
    rep(i,n){
        if((ll)pow(10,18)/a(i)<now){
            cout << -1 << endl;
            return 0;
        }
        now*=a.at(i);

    }
    cout << now << endl;

}

    

Compiler output:
a.cc: In function 'int main()':
a.cc:17:13: error: 'i' was not declared in this scope
   17 |     if(a.at(i)==0){
      |             ^
a.cc:23:28: error: no match for call to '(std::vector<long long int>) (int&)'
   23 |         if((ll)pow(10,18)/a(i)<now){
      |                           ~^~~
Language: C++

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

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

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

Compiler output:
a.cc: In function 'int main()':
a.cc:9:2: error: expected ';' before 'for'
    9 | 2
      |  ^
      |  ;
   10 | for(int i=0;i<n;i++)
      | ~~~
a.cc:10:13: error: 'i' was not declared in this scope
   10 | for(int i=0;i<n;i++)
      |             ^
Language: C++

import java.util.*;
import java.math.*;
import java.lang.*;

public class Main {

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    long[] a = new long[n];

    for (int i = 0; i < n; i++) {
      a[i] = sc.nextLong();
      if (a[i] == 0) {
        System.out.println(0);
        return;
      }
    }

    Arrays.sort(a);

    long ans = 1;

    for (int i = 0; i < n; i++) {
      if (ans > 1000000000000000000L/a[i]) {
        System.out.println(-1);
        return;
      }
      ans *= a[i];
    }

    System.out.println(ans);

  }

}


Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.*;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: 'import' does not name a type
    2 | import java.math.*;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: 'import' does not name a type
    3 | import java.lang.*;
      | ^~~~~~
a.cc:3:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:5:1: error: expected unqualified-id before 'public'
    5 | public class Main {
      | ^~~~~~
Language: C++

#include <bits/stdc++.h>
#define _GLIBCXX_DEBUG
#define rep(i,n) for(int i=0;i<(n);++i)
#define repi(i,a,b) for(int i=int(a);i<int(b);++i)
#define all(x) (x).begin(), (x).end()
typedef long long ll;
typedef long double ld;
typedef pair<int, int> P;
using namespace std;
int main() {
    ll n; cin>>n;
    ll a[n];
    rep(i,n) cin>>a[i];
    ll x=1;
    rep(i,n){
        x=x*a[i];
        if(x>pow(10,18)||x==0) break;
    }
    if(x>pow(10,18)) x=-1;
    cout<<x<<endl;
}

Compiler output:
a.cc:8:9: error: 'pair' does not name a type
    8 | typedef pair<int, int> P;
      |         ^~~~
Language: C++

#define repi(i,a,b) for(int i=int(a);i<int(b);++i)
#define all(x) (x).begin(), (x).end()
using namespace std;
int main() {
    ll int n; cin>>n;
    ll int a[n];
    rep(i,n) cin>>a[i];
    ll int x=1;
    rep(i,n){
        x=x*a[i];
        if(x>pow(10,18)||x==0) break;
    }
    if(x>pow(10,18)) x=-1;
    cout<<x<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: 'll' was not declared in this scope; did you mean 'all'?
    5 |     ll int n; cin>>n;
      |     ^~
      |     all
a.cc:5:15: error: 'cin' was not declared in this scope
    5 |     ll int n; 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 | #define repi(i,a,b) for(int i=int(a);i<int(b);++i)
a.cc:5:20: error: 'n' was not declared in this scope
    5 |     ll int n; cin>>n;
      |                    ^
a.cc:6:7: error: expected ';' before 'int'
    6 |     ll int a[n];
      |       ^~~~
      |       ;
a.cc:7:9: error: 'i' was not declared in this scope
    7 |     rep(i,n) cin>>a[i];
      |         ^
a.cc:7:5: error: 'rep' was not declared in this scope; did you mean 'repi'?
    7 |     rep(i,n) cin>>a[i];
      |     ^~~
      |     repi
a.cc:8:7: error: expected ';' before 'int'
    8 |     ll int x=1;
      |       ^~~~
      |       ;
a.cc:13:8: error: 'x' was not declared in this scope
   13 |     if(x>pow(10,18)) x=-1;
      |        ^
a.cc:13:10: error: 'pow' was not declared in this scope
   13 |     if(x>pow(10,18)) x=-1;
      |          ^~~
a.cc:14:5: error: 'cout' was not declared in this scope
   14 |     cout<<x<<endl;
      |     ^~~~
a.cc:14:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:14:11: error: 'x' was not declared in this scope
   14 |     cout<<x<<endl;
      |           ^
a.cc:14:14: error: 'endl' was not declared in this scope
   14 |     cout<<x<<endl;
      |              ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #define repi(i,a,b) for(int i=int(a);i<int(b);++i)
Language: C++

#include<bits/stdc++.h>
#define fast ios_base::sync_with_stdio(false),cin.tie(NULL)
#define fo(i,n) for(int i=1;i<=n;i++)
#define fo1(i,n) for(int i=0;i<n;i++)
#define lli long long int
#define llu unsigned long long int
#define vi vector <int>
#define vii vector <long long int>
#define pb push_back
#define eb emplace_back
#define pi pair<int,int>
#define mk make_pair
#define mpp map<int,int>
#define ff first
#define ss second
#define mod 1000000007

using namespace std;

int main() 
{ 
	int t=1;
	//cin>>t;
	while(t--)
	{
	    int n;
	    cin>>n;
	    llu a[n];
	    for(int i=0;i<n;i++)
	        cin>>a[i];
	   llu sum=1;
	    for(int i=0;i<n;i++)
	    {
	        if(sum>1000000000000000000)
	        {
	            f=1;
	            break;
	        }
	        sum *= a[i];
	    }
	    if(f==1)
	        cout<<-1<<"\n";
	    else
	        cout<<sum<<"\n";
	}
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:36:21: error: 'f' was not declared in this scope
   36 |                     f=1;
      |                     ^
a.cc:41:16: error: 'f' was not declared in this scope
   41 |             if(f==1)
      |                ^
Language: C++

#include<iostream>

int main(){
  int N;
  std::cin >> N;
  long long A[N];
  mult = 1;
  for (int i = 0; i < N; i++){
  std::cin >> A[i];
    mult *= A[i];
    if (mult > 1e+18){
    	std::cout << "-1";
        return 0;
    }
  }
  std::cout << mult;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'mult' was not declared in this scope
    7 |   mult = 1;
      |   ^~~~
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 ll mx = 1e18;

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

Compiler output:
a.cc:5:7: error: expected nested-name-specifier before 'll'
    5 | using ll mx = 1e18;
      |       ^~
a.cc: In function 'int main()':
a.cc:19:15: error: 'mx' was not declared in this scope
   19 |     if(ret || mx/ans < a) {
      |               ^~
Language: C

#include<stdio.h>
#define maxLL 1000000000000000000

int main(){
	int angka;
	long long int a[10000000000000000000000000000000];
	long long int hasil = 1;
	scanf("%d", &angka);
	for(int i=0; i<angka; i++){
		scanf("%lld", &a[i]);
		if(a[i] == 0){
			printf("0");
			return 0;
		}
	}
	
	for(int i=0; i<angka; i++){
		if(a[i] > maxLL/hasil){
			printf("-1");
			return 0;
		}
		hasil = hasil * a[i];
	}
	if(hasil > maxLL){
		puts("-1");
	}
	else{
		printf("%lld", hasil);
	}
	
	return 0;
}


Compiler output:
main.c: In function 'main':
main.c:6:25: warning: integer constant is too large for its type
    6 |         long long int a[10000000000000000000000000000000];
      |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
main.c:6:23: error: size of array 'a' is too large
    6 |         long long int a[10000000000000000000000000000000];
      |                       ^