Submission #100943

#	Time	Username	Problem	Language	Result	Execution time	Memory
100943		E869120	질문 (CEOI14_question_grader)	C++14	27 / 100	1553 ms	79128 KiB

encoder

int encode (int n, int x, int y) {
	for (int i = 0; i < 10; i++) {
		int v1 = (x / (1 << i)) % 2;
		int v2 = (y / (1 << i)) % 2;
		if (v1 == 0 && v2 == 1) return i * 2 + 1;
		if (v1 == 1 && v2 == 0) return i * 2 + 2;
	}
}

decoder

int decode (int n, int q, int h) {
	int p = (h - 1) / 2;
	if ((q / (1 << p)) % 2 == 1) {
		if (h % 2 == 1) return 0;
		return 1;
	}
	else {
		if (h % 2 == 1) return 1;
		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]
 }
 ^

• Subtask 1: 27 / 100