https://www.acmicpc.net/problem/10845

🥚문제

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🥚입력/출력

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🍳코드

from collections import deque
import sys

n = int(sys.stdin.readline())
queue = deque()

for _ in range(n):
    command = sys.stdin.readline()
    if 'push' in command:
        target = int(command.split()[1])
        queue.append(target)
    elif 'pop' in command:
        if len(queue) == 0:
            print(-1)
        else:
            print(queue.popleft())
    elif 'size' in command:
        print(len(queue))
    elif 'empty' in command:
        if len(queue) == 0:
            print(1)
        else:
            print(0)
    elif 'front' in command:
        if len(queue) == 0:
            print(-1)
        else:
            print(queue[0])
    elif 'back' in command:
        if len(queue) == 0:
            print(-1)
        else:
            print(queue[-1])

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🧂아이디어

시간 초과가 떠서 input 받을 때 input() 대신 sys.stdin.readline() 으로 바꾸니 해결되었다!