Submission #20646

#	Time	Username	Problem	Language	Result	Execution time	Memory
20646		model_code	방 배정 (KOI16_aa)	C++11	100 / 100	0 ms	1116 KiB

aa

#include <stdio.h>

int n, k;
int cnt[7][2];

int main()
{
scanf("%d %d", &n, &k);
for (int i = 1; i <= n; i++) {
int gender, year;
scanf("%d %d", &gender, &year);
cnt[year][gender]++;
}

int ans = 0;

for (int i = 1; i <= 6; i++) {
for (int j = 0; j <= 1; j++) ans += (cnt[i][j] + k - 1) / k;
}
printf("%d\n", ans);
return 0;
}

Compilation message (stderr)

aa.cpp: In function 'int main()':
aa.cpp:8:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d %d", &n, &k);
                       ^
aa.cpp:11:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d %d", &gender, &year);
                               ^

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