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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int long long
  4.  
  5. const int MAX = 1e18;
  6.  
  7. signed main(){
  8.     int n;
  9.     cin>>n;
  10.     int m = 1;
  11.     int arr[n+10];
  12.     bool ohno = false;
  13.     for(int i=0; i<n; i++){
  14.         cin>>arr[i];
  15.     }
  16.     sort(arr,arr+n);
  17.     if(arr[0] == 0 ){
  18.         cout << 0 << endl;
  19.         return 0;
  20.     }
  21.     for(int i=0; i<n; i++){
  22.         if(m > MAX/arr[i]){
  23.             ohno = true;
  24.             break;
  25.         }   
  26.         m *= arr[i];
  27.     }
  28.     if(ohno){
  29.         cout<< -1 <<endl;
  30.     }else{
  31.         cout << m <<endl;
  32.     }
  33. }
  34.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
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3
101 9901 999999000001
stdout
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-1
https://ideone.com/vs3AFu
language:
C++14 (gcc 8.3)
created:
12 days ago
visibility:
public

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