PROGRAMMERS 76502: 괄호 회전하기

Link : https://programmers.co.kr/learn/courses/30/lessons/76502

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Python

from collections import deque
 
 
def solution(s):
    deq = deque(s[:])
    result = 0
    length = len(s)
    for i in range(length):
        temp = deq.popleft()
        deq.append(temp)
        stack = []
        for i in deq:
            if len(stack) == 0:
                if i in [')', ']', '}']:
                    break
                stack.append(i)
            else:
                if i in ['(', '[', '{', ')', ']', '}']:
                    if stack[-1] == '(' and i == ')':
                        stack.pop()
                    elif stack[-1] == '[' and i == ']':
                        stack.pop()
                    elif stack[-1] == '{' and i == '}':
                        stack.pop()
                    else:
                        stack.append(i)
 
        else:
            if len(stack) == 0:
                result += 1
    return result

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