2.1

// Laboration 2, Assignment_1.cpp
// Fabian Tjernström (fatj1700) 2018-11-20

#include <iostream>

using namespace std;

int main() {

    int a, b , c;
    int total = 0;

    for( a = 1; a <= 500; a++ ) {
        for ( b = 1; b <= 500; b++ ) {
            for ( c = 1; c <= 500; c++ ) {
                if ( (a * a) + (b * b) == (c * c) && c <= 500 ) {
                    total++;
                }
            }
        }
    }

    cout << total << endl;

    return 0;
}