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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int n, t;
  6.     cin >> t;
  7.     while(t--) {
  8.         cin >> n;
  9.         int cnt=0;
  10.         for(int i=1; i<=sqrt(n); i++) {
  11.             if(n%i==0) {
  12.                 cnt++;
  13.             }
  14.         }
  15.         if(cnt<=1) {
  16.             cout << "yes" << endl;
  17.         } else cout << "no" << endl;
  18.     }
  19. }
Success #stdin #stdout 0s 5300KB
comments (?)
stdin 
5
23
13
20
1000
99991
stdout 
yes
yes
no
no
yes
https://ideone.com/eOwOC9
language:
C++ (gcc 8.3)
created:
19 days ago
visibility:
public

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