Programmers / 2단계 / 택배상자 / python

 

https://school.programmers.co.kr/learn/courses/30/lessons/131704

 

 

모범 답안

def solution(order):
    answer = 0

    stack = []
    for idx, num in enumerate(order):
        stack.append(idx+1)

        while stack and stack[-1] == order[answer]:
            stack.pop()
            answer +=1

    return answer