Submission #949796

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
949796	2024-03-19T17:54:24 Z	rainboy	양말 찾기 (KPI13_socks)	C	0 / 1	1741 ms	10364 KB

socks

#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 == '-')
      |        ~~~~~~~~~^~~~~~~~~~~

Subtask #1

0 / 1.0

#	Verdict	Execution time	Memory	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	-