Submission #624529

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
624529	2022-08-08T12:22:58 Z	Mr_Husanboy	cmp (balkan11_cmp)	C++14	0 / 100	688 ms	90576 KB

cmp

#include "cmp.h"

int delta[6]{1, 1, 1, 1, 1, 1};

void remember(int n) {
	for (int i = 0; i < 6; i++) bit_set((n >> i * 2) + delta[i]);
}

int compare(int b) {
	int l = 0, r = 6;
	while (l != r) {
		int mid = (l + r) / 2;
		if (bit_get((b >> mid * 2) + delta[mid])) r = mid;
		else l = mid + 1;
	}

	if (!l) return 0;
	int last_digit = (b >> l * 2 - 2) & 3;
	if (last_digit > 1) {
		if (bit_get((((b >> l * 2) << 2) + 3) + delta[l - 1])) return -1;
		return 1;
	} else {
		if (bit_get(((b >> l * 2) << 2) + delta[l - 1])) return 1;
		return -1;
	}
}

Compilation message

cmp.cpp: In function 'int compare(int)':
cmp.cpp:18:31: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
   18 |  int last_digit = (b >> l * 2 - 2) & 3;
      |                         ~~~~~~^~~

Subtask #1

0.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	688 ms	90576 KB	ZERO POINTS: For a=63 and b=2676, correct answer is 1, got -1