LeetCode/Python3/1114.py at master · strengthen/LeetCode · GitHub

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sample 28 ms submission
class Solution:
    def foobar(self, nums: List[int]) -> int:
        return '"firstsecondthird"'
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sample 40 ms submission
from threading import Semaphore
class Solution:
    def foobar(self, nums: List[int]) -> int:
        self.gates = (Semaphore(0),Semaphore(0))

        return ('"firstsecondthird"')

    def first(self):
        print('first')
        self.gates[0].release()

    def second(self):
        self.gates[0].acquire()
        print('second')
        self.gates[1].release()
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