제출 #43922

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
43922		dhkim0225	cmp (balkan11_cmp)	C++14	0 / 100	988 ms	85368 KiB

cmp

#include "cmp.h"

void remember(int n) {
	n = n + 1;

	int target = 2048;
	int cnt = 1;
	while (cnt <= 12) {
		if (target < n) {
			bit_set(target);
			target += (target >> cnt);
		}
		else if (target > n) {
			bit_set(target);
		}
		else {
			bit_set(target);
			break;
		}
		cnt++;
	}
}

int compare(int b) {
	int target = 2048;
	int cnt = 1;

	if (bit_get(target) == 1) {
		while (cnt <= 12) {
			if (bit_get(target + target >> cnt))
				target += (target >> cnt);
			else if (bit_get(target - target >> cnt))
				target -= (target >> cnt);
			else
				break;
			cnt++;
		}
	}
	if (target > b)
		return -1;
	else if (target < b)
		return 1;
	else
		return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

cmp.cpp: In function 'int compare(int)':
cmp.cpp:30:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    if (bit_get(target + target >> cnt))
                ~~~~~~~^~~~~~~~
cmp.cpp:32:28: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
    else if (bit_get(target - target >> cnt))
                     ~~~~~~~^~~~~~~~

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