프로그래머스(Programmers) LEVEL2 - 위장

def solution(clothes):
    dic= dict()
    for cloth in range(len(clothes)):
        if clothes[cloth][1] not in dic:
            dic[clothes[cloth][1]] = [clothes[cloth][0]]
        else:
            dic[clothes[cloth][1]].append(clothes[cloth][0])    
            
    val = len([item for values in dic.values() for item in values])
    mul = 1
    for v in dic.values():
        mul = mul * len(v)
    if len(dic.keys()) == 1:
        return val 
    else:
        return mul + val

정확성: 28.6
합계: 28.6 / 100.0

def solution(clothes):
    dic= dict()
    for cloth in range(len(clothes)):
        if clothes[cloth][1] not in dic:
            dic[clothes[cloth][1]] = 1
        else:
            dic[clothes[cloth][1]] += 1 
    items = list(dic.values())
    
    answer = 1
    for item in items:
        answer = answer * (item + 1)   # 각 item당 착용하지 않을 경우도 있기에 +1 
    answer -= 1  # 각 item을 모두 착용하지 않는것도( 위에서 계산되었기에 -1) 
    return answer
    
    
정확성: 100.0
합계: 100.0 / 100.0