답안 #949796

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
949796 2024-03-19T17:54:24 Z rainboy 양말 찾기 (KPI13_socks) C
0 / 1
1741 ms 10364 KB
#include <stdio.h>
 
#define L	31	/* L = ceil(log2(2 * 10^9 + 1)) */
 
int main() {
	static int xx[L];
	int n, l, a, b, x, sgn, tmp;
	char c;
 
	while (1) {
		c = getchar();
		if (c >= '0' && c <= '9' || c == '-')
			break;
	}
	sgn = 1;
	if (c == '-')
		sgn = -1, c = getchar();
	n = 0;
	for ( ; c >= '0' && c <= '9'; c = getchar())
		n = n * 10 + c - '0';
	n *= sgn;
	x = 0;
	while (n--) {
		while (1) {
			c = getchar();
			if (c >= '0' && c <= '9' || c == '-')
				break;
		}
		sgn = 1;
		if (c == '-')
			sgn = -1, c = getchar();
		a = 0;
		for ( ; c >= '0' && c <= '9'; c = getchar())
			a = a * 10 + c - '0';
		a *= sgn;
		x ^= a;
		for (l = 0; l < L; l++)
			if ((a & 1 << l) != 0)
				xx[l] ^= a;
	}
	a = 0, b = x;
	for (l = 0; l < L; l++)
		if (xx[l] != 0 && xx[l] != x) {
			a = xx[l], b = x ^ xx[l];
			break;
		}
	if (a > b)
		tmp = a, a = b, b = tmp;
	printf("%d %d\n", a, b);
	return 0;
}

Compilation message

socks.c: In function 'main':
socks.c:12:16: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   12 |   if (c >= '0' && c <= '9' || c == '-')
      |       ~~~~~~~~~^~~~~~~~~~~
socks.c:26:17: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   26 |    if (c >= '0' && c <= '9' || c == '-')
      |        ~~~~~~~~~^~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1692 ms 348 KB Output is correct
12 Correct 1741 ms 392 KB Output is correct
13 Correct 1690 ms 392 KB Output is correct
14 Correct 35 ms 348 KB Output is correct
15 Correct 39 ms 348 KB Output is correct
16 Correct 62 ms 348 KB Output is correct
17 Correct 169 ms 392 KB Output is correct
18 Correct 2 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Runtime error 178 ms 10364 KB Memory limit exceeded
21 Halted 0 ms 0 KB -