fork download 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int n;
  6.     int a[1500], t = 0;
  7.     a[t++] = 2;
  8.     cin >> n;
  9.     for (int i=3; t < n; i += 2){
  10.         bool prime = true;
  11.         for (int j = 0; j < t; ++j) {
  12.             if (i % a[j] == 0) {
  13.                 prime = false;
  14.                 break;
  15.             }
  16.         }
  17.         if (prime) {
  18.             a[t++] = i;
  19.         }
  20.     }
  21.     cout << a[n - 1];
  22.     return 0;
  23. }
Success #stdin #stdout 0s 5324KB
comments (?)
stdin 
3
stdout 
5
https://ideone.com/UxoTi9
language:
C++ (gcc 8.3)
created:
9 days 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!