Submission #451546

#	Time	Username	Problem	Language	Result	Execution time	Memory
451546		kingfran1907	질문 (CEOI14_question_grader)	C++14	27 / 100	4242 ms	24196 KiB

encoder

int encode (int n, int x, int y) {
	for (int i = 0; i < 20; i++) {
		if ((x & (1 << i)) != (y & (1 << i))) {
			if (x & (1 << i)) return 2 * i + 2;
			else return 2 * i + 1;
		}
	}
}

decoder

int decode (int n, int q, int h) {
	h -= 1;
	int dig = h / 2;
	int ac = h % 2;
	
	if ((q & (1 << dig)) == (ac << dig)) return 1;
	else return 0;
}

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:8:1: warning: control reaches end of non-void function [-Wreturn-type]
    8 | }
      | ^

• Subtask 1: 27 / 100