프로그래머스 - 할인 행사 (L2)

 1from collections import deque
 2
 3def solution(want, number, discount):
 4    want_dict = dict()
 5    answer = 0
 6    
 7    for i in range(len(want)):
 8        want_dict[want[i]] = number[i]
 9    
10    for i in discount[:10]:
11        if i in want_dict:
12            want_dict[i] -= 1
13    
14    for i in range(0, len(discount)-9):
15        if all(map(lambda x: x <= 0, want_dict.values())):
16        	answer += 1
17        
18        if discount[i] in want_dict:
19        	want_dict[discount[i]] += 1
20        if i+10 < len(discount) and discount[i+10] in want_dict:
21            want_dict[discount[i+10]] -= 1
22    
23    return answer