#include <iostream>
#include <limits>

using numberType = unsigned;

void findNumbers(numberType From, numberType To) {
    auto isSquare_01 = [](numberType Value) {
        const auto Sqrt = static_cast<decltype(Value)>(std::sqrt(Value));
        return Sqrt * Sqrt == Value;
    };

    auto isSquare_02 = [](numberType Value) {
        const auto Sqrt = static_cast<decltype(Value)>(std::sqrt(Value) + 0.5F);
        return Sqrt * Sqrt == Value;
    };

    for (auto i = From; i <= To; ++i) {
        if (isSquare_01(i) != isSquare_02(i)) {
            std::cout << i << std::endl;
        }
    }
}

int main() {
    findNumbers(1, /*std::numeric_limits<numberType>::max()*/std::numeric_limits<uint16_t>::max());
    return 0;
}