할인 행사

https://school.programmers.co.kr/learn/courses/30/lessons/131127

프로그래머스

 

def solution(want, number, discount):
    answer = 0
    to_buy = {a: b for a, b in zip(want, number)}
    for index in range(len(discount) - 9):
        temp = to_buy.copy()
        for each in discount[index:index + 10]:
            if each in temp:
                temp[each] -= 1
        if all(True if each <= 0 else False for each in temp.values()):
            answer += 1
    return answer

from collections import Counter


def solution(want, number, discount):
    answer = 0
    to_buy = Counter({a: b for a, b in zip(want, number)})
    for index in range(len(discount) - 9):
        temp = to_buy.copy() - Counter(discount[index:index + 10])
        if all(True if each <= 0 else False for each in temp.values()):
            answer += 1
    return answer

from collections import Counter
solution = lambda want, number, discount: sum(1 for index in range(len(discount) - 9) if all(True if each <= 0 else False for each in (Counter({a: b for a, b in zip(want, number)}) - Counter(discount[index:index + 10])).values()))