제출 #49564

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
49564		tjd229	비교 (balkan11_cmp)	C++11	100 / 100	2710 ms	95996 KiB

cmp

#include "cmp.h"
void remember(int n) {
	//edit this
	int i;
	int a = n;
	int r[6];
	for (i = 6; i--;){
		r[i] = a % 4;
		a >>= 2;
	}

	
	for (a = i = 0; i < 6; i++){
		a += r[i] + 1;
		bit_set(a);
		a <<= 2;
	}

}

int compare(int b) {
	//edit this
	int i;
	int r[6];
	int pt[6];
	int a = b;
	for (i = 6; i--;){
		r[i] = a % 4;
		a >>= 2;
	}
	for (a = i = 0; i < 6; i++){
		pt[i] = a = a + r[i] + 1;
		a <<= 2;
	}
	//bs
	int bnd = 0;
	int lo = 0;
	int hi = 6;
	while (lo <= hi){
		int mid = (lo + hi) >> 1;
		if (mid == 6) return 0;
		if (bit_get(pt[mid])) lo = mid + 1;
		else hi = mid - 1;
	}
	bnd = lo;
	if (bnd == 6) return 0;
	//printf("switch\n");
	switch (r[bnd]){
	case 0: return -1;
	case 1:
		return bit_get(pt[bnd] - r[bnd] + 0) ? 1 : -1;
	case 2:
		return bit_get(pt[bnd] - r[bnd] + 3) ? -1 : 1;
	default: return 1;
	}
	return 2;
}

• Subtask 1: 100 / 100