#include <iostream>
unsigned perfectSquareLessOrEqual(unsigned n) {
unsigned sum = 0;
for (unsigned i = 1; (sum + i) <= n; i += 2)
sum += i;
return sum;
}
int main() {
unsigned x, y;
std::cin >> x >> y;
const unsigned a = perfectSquareLessOrEqual(x) + perfectSquareLessOrEqual(y);
const unsigned b = perfectSquareLessOrEqual(x + y);
if (a < b)
std::cout << "Petya gives paint to Vasya";
else if (a > b)
std::cout << "Petya leaves paint to himself";
else
std::cout << "Equal";
return 0;
}
Объяснение:
вроде так^: >
1. a = 10
2. Так, как а > 5 (10 > 5), то a = a + 12 = 10 + 12 = 22
3. a = 22