Submission #625913

#	Time	Username	Problem	Language	Result	Execution time	Memory
625913		palilo	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++17	0 / 100	2409 ms	24116 KiB

encoder

auto encode(int n, int x, int y) -> int {
    const auto z = x ^ y;
    for (int i = 0;; ++i) {
        if (z >> i & 1) {
            return (i + 1) << 1 | (y >> i & 1);
        }
    }
}

decoder

auto decode(int n, int q, int h) -> int {
    return ((q >> (h >> 1)) ^ h) & 1;
}

• Subtask 1: 0 / 100