Submission #5089

#	Time	Username	Problem	Language	Result	Execution time	Memory
5089		ainta	양말 찾기 (KPI13_socks)	C++98	0 / 1	0 ms	1600 KiB

socks

#include<stdio.h>
int b[2][65536], r[2];
int main(){
	int n, a, i, j, c = 0;
	scanf("%d", &n);
	while (n--){ scanf("%d", &a); a += (1<<30); b[0][a & 65535] ^= a, b[1][a & 32767] ^= a; }
	for (i = 0; i<2 && c != 2; i++){
		c = 0;
		for (j = 0; j != (1 << 15) << i; j++)if (b[i][j]) r[c++] = b[i][j] - (1 << 30);
	}
	if (r[0]>r[1])a = r[0], r[0] = r[1], r[1] = a;
	printf("%d %d\n", r[0], r[1]);
}

• Subtask 1: 0 / 1