4153번 : 직각삼각형

#include <iostream>
#include <cmath>


bool Predicate(const int x, const int y, const int r)
{

	int pred1 = std::max(x, y);
	int max = std::max(pred1, r);

	if (max == pred1)
	{
		if (pred1 == x)
		{
			return (x * x == ((y * y) + (r * r)));
		}
		else
		{
			return (y * y == ((x * x) + (r * r)));
		}
	}
	else
	{
		return (r * r == ((x * x) + (y * y)));
	}


}

int main(void)
{
	std::cin.tie(NULL);
	std::cout.tie(NULL);
	std::cin.sync_with_stdio(false);


	int x, y, r;

	while (true)
	{
		std::cin >> x >> y >> r;

		if (x == 0 && y == 0 && r == 0)
			break;

		std::cout << (Predicate(x, y, r) ? "right" : "wrong") << "\n";
	}
	



	return 0;
}

4153번: 직각삼각형 (acmicpc.net)

4153번: 직각삼각형