fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() 
  5. {
  6.     long long n;
  7.     cin >> n;
  8.     bool z = false;
  9.     long long zc = 0;
  10.     string nb;
  11.     for(long long i = 0; i < n; i++)
  12.     {
  13.         bool f = false;
  14.         string x;
  15.         cin >> x;
  16.         if(x[0] == '1')
  17.         {
  18.             f = true;
  19.         }
  20.         else if(x[0] == '0')
  21.         {
  22.             z = true;
  23.             break;
  24.         }
  25.         else
  26.         {
  27.             nb = x;
  28.         }
  29.         if(f)
  30.         {
  31.             for(long long j = 1; j < x.size(); j++)
  32.             {
  33.                 if(x[j] == '0')
  34.                 {
  35.                     zc++;
  36.                 }
  37.                 else
  38.                 {
  39.                     nb = x;
  40.                     break;
  41.                 }
  42.             }
  43.         }
  44.     }
  45.     if(z)
  46.     {
  47.         cout << "0" << endl;
  48.     }
  49.     else
  50.     {
  51.         if(nb.size() != 0)
  52.         {
  53.             cout << nb;
  54.         }
  55.         else
  56.         {
  57.             cout << "1";
  58.         }
  59.         for(long long i = 0; i < zc; i++)
  60.         {
  61.             cout << "0";
  62.         }
  63.         cout << endl;
  64.     }   
  65.     return 0;
  66. }
Success #stdin #stdout 0s 3420KB
comments (?)
stdin
copy 
3
10 10 10
stdout
copy 
1000
https://ideone.com/Rxsi4u
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!