dictionary 하나로 풀어보려고 했는데 도저히 각이 안나와서 그냥 dictionary 2개를 썼다 그래서 풀이가 좀 더럽긴하지만,, 일단 맞았으니 올려본다 def solution(genres, plays): album_by_genre = {} # genre, (play, index) plays_by_genre = {} # (genre, plays) for i, play in enumerate(plays): g = genres[i] if g in plays_by_genre: plays_by_genre[g] += play album_by_genre[g].append((play, i)) else: plays_by_genre[g] = play album_by_genre[g] = [(play, i)] for..
해시
백준 '9375번, 패션왕 신해빈' 문제와 완전 똑같기 때문에 풀이도 똑같다. 해당 문제 풀이는 여기 참고! def solution(clothes): closet = {} for cloth, type in clothes: if type not in closet: closet[type] = 1 closet[type] += 1 answer = 1 for k, v in closet.items(): answer *= v return answer - 1
