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Submission #41550

# Submission time Handle Problem Language Result Execution time Memory
41550 2018-02-18T19:08:35 Z farmersrice Question (Grader is different from the original contest) (CEOI14_question_grader) C++14
0 / 100
 3 ms 1004 KB 
int encode(int n, int x, int y) {
	int xy = x ^ y;

	int lsb = xy & (-xy);

	int count = 0;
	while (lsb > 1) {
		lsb /= 2;
		count++;
	}

	return 2 * count - ((x ^ (1 << count)) ? 1 : 0);
}
int decode(int n, int q, int h) {
	bool inverted = false;

	if (h % 2 == 1) inverted = true;

	h /= 2;

	if (inverted) {
		return (q & (1 << h) ? 0 : 1);
	} else {
		return (q & (1 << h) ? 1 : 0);
	}
}

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 628 KB Output isn't correct
2 Incorrect 3 ms 1004 KB Output isn't correct