z8.2.cpp

#include <iostream>
using namespace std;

bool isPythagorean(int a, int b, int c)
{
    return (a*a + b*b == c*c);
}

int main()
{
    int limit;
    cout << "Введите верхний предел: ";
    cin >> limit;

    int count = 0;
    for (int a = 1; a <= limit; a++)
    {
        for (int b = a; b <= limit; b++)
        {
            for (int c = b; c <= limit; c++)
            {
                if (isPythagorean(a, b, c))
                {
                    count++;
                    cout << count << ") " << a << "," << b << "," << c << "\n";
                }
            }
        }
    }

    return 0;
}