Submission #159743

#	Time	Username	Problem	Language	Result	Execution time	Memory
159743		geon040702	방 배정 (KOI16_room)	C++14	100 / 100	3 ms	380 KiB

room

#include <bits/stdc++.h>
using namespace std;

int Male[10], feMale[10];
int student, full, room_cnt;

int main(void)
{
    int i;
    scanf("%d %d", &student, &full);

    for(i=0;i<student;i++) {
        int gender, grade;
        scanf("%d %d", &gender, &grade);
        if(gender == 0) {
            feMale[grade]++;
        }
        else {
            Male[grade]++;
        }
    }

    room_cnt += (Male[1] + Male[2] + feMale[1] + feMale[2]) / full;
    if((Male[1] + Male[2] + feMale[1] + feMale[2]) % full != 0) {
        room_cnt++;
    }

    room_cnt += (Male[3] + Male[4]) / full;
    if((Male[3] + Male[4]) % full != 0) {
        room_cnt++;
    }

    room_cnt += (feMale[3] + feMale[4]) / full;
    if((feMale[3] + feMale[4]) % full != 0) {
        room_cnt++;
    }

    room_cnt += (Male[5] + Male[6]) / full;
    if((Male[5] + Male[6]) % full != 0) {
        room_cnt++;
    }

    room_cnt += (feMale[5] + feMale[6]) / full;
    if((feMale[5] + feMale[6]) % full != 0) {
        room_cnt++;
    }

    printf("%d\n", room_cnt);

    return 0;
}

Compilation message (stderr)

room.cpp: In function 'int main()':
room.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &student, &full);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
room.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &gender, &grade);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

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