Prime Number?

Description:

Check the given number is prime or not Test Case 1 Input (stdin) 9 Expected Output NO Test Case 2 Input (stdin) 7 Expected Output YES

Program :

#include <iostream>

using namespace std;


int main()

{

    /* variable definition and initialization */  

    int n, i, c = 0;

   

    /* Get user input */  // cout << "Enter any number n: ";

  cin>>n;

   

    /*logic*/   for (i = 1; i <= n; i++)

    {

        if (n % i == 0)

        {

           c++;

        }

    }

    if (c == 2)

   

       cout << "YES";

   

    else

   

         cout <<"NO";

   

    return 0;  

}