Program of Pathagorian Triples in C++

               Pathagorian    triples

// This is the program which shows all combinations, less than 500 making answer, satisfying Pathagorian Theorum.

# include<iostream>

# include<conio.h>

using namespace std;

void main()

{

       int p, q, r;        //Here we need three variables.

       for (p = 1; p*p <= 500; ++p){

              for (q = 1; q*q <= 500; ++q){

                     for (r = 1; r*r <= 500; ++r){

                           if ((p*p) + (q*q) == (r*r))

                                  cout << p*p << "  +  " << q*q << "   =  " << r*r << endl;

                     }

              }

       }

       _getch();

}