Submission #924251

#	Time	Username	Problem	Language	Result	Execution time	Memory
924251		rainboy	방 배정 (KOI16_aa)	C11	100 / 100	1 ms	756 KiB

aa

#include <stdio.h>

#define Y	6

int main() {
	static int kk[Y * 2];
	int n, k, s, y, t, cnt;

	scanf("%d%d", &n, &k);
	while (n--) {
		scanf("%d%d", &s, &y), y--;
		kk[y << 1 | s]++;
	}
	cnt = 0;
	for (t = 0; t < Y * 2; t++)
		cnt += (kk[t] + k - 1) / k;
	printf("%d\n", cnt);
	return 0;
}

Compilation message (stderr)

aa.c: In function 'main':
aa.c:9:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |  scanf("%d%d", &n, &k);
      |  ^~~~~~~~~~~~~~~~~~~~~
aa.c:11:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |   scanf("%d%d", &s, &y), y--;
      |   ^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 10 / 10
• Subtask 3: 20 / 20
• Subtask 4: 68 / 68