restIess

#include <iostream>

#include <cmath>

signed main() {

setlocale(LC_ALL, "Rus");

double x, y, a;

std::cout << "Введите x и y: ";

std::cin >> x >> y;

if (x * y > 0)

 a = pow(x * y, 2) - sqrt(x * y);

else if (x * y < 0)

 a = pow(x * y, 2) + sqrt(abs(x * y));

else if (x * y == 0)

 a = pow(x + y, 2) + 1;

std::cout << a;

return 0;

}