prac_005.cpp - bsc - Comprehensive codebase and coursework for the 4-year B.Sc. Computer Science Honours degree (WBSU)

prac_005.cpp (613B)

      1 /* check prime or not */
      2 
      3 #include <iostream>
      4 using namespace std;
      5 
      6 class ponp {
      7     int input, i;
      8 
      9 public:
     10     void getinput();
     11     void calcdisp();
     12 };
     13 
     14 void ponp::getinput() {
     15     cout << "please enter the value : ";
     16     cin >> input;
     17 }
     18 
     19 void ponp::calcdisp() {
     20     if (input <= 1) {
     21         cout << "This is not a prime number.";
     22         return;
     23     }
     24 
     25     for (i = 2; i <= input / 2; i++) {
     26         if (input % i == 0) {
     27             cout << "this is not a prime number.";
     28             return;
     29         }
     30     }
     31     cout << "prime";
     32 }
     33 
     34 int main() {
     35     ponp z;
     36     z.getinput();
     37     z.calcdisp();
     38     return 0;
     39 }