[구름 1단계] [KOI 2016] 방 배정

https://level.goorm.io/exam/48134/%EB%B0%A9-%EB%B0%B0%EC%A0%95-%EC%B4%88%EB%93%B1%EB%B6%80/quiz/1

구름LEVEL

 

people, room_size = map(int,input().split())
student = []

for i in range(people):
    student.append(list(map(int, input().split())))

#총 방의 개수
total_room = 0

#여학생
woman = []
#남학생
man = []

for i in range(len(student)):
    #성별에 따른 남녀 구분
    if student[i][0] == 0:
        woman.append(student[i])
    else :
        man.append(student[i])

        
# 여자 방 개수 구하기
for i in range(1, 7):
    total_room += (woman.count([0,i]) // room_size)
    if woman.count([0,i]) % room_size != 0:
        total_room += 1

# 남자 방 개수 구하기
for i in range(1, 7):
    total_room += (man.count([1,i]) // room_size)
    if man.count([1,i]) % room_size != 0:
        total_room += 1

print(total_room)