2022.01.03-synchronized实现

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面试题：synchronized实现

参考链接

https://xiaomi-info.github.io/2020/03/24/synchronized/

https://www.cnblogs.com/aspirant/p/11470858.html

每日一题

1185. 一周中的第几天

class Solution:
    def dayOfTheWeek(self, day: int, month: int, year: int) -> str:
        d = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]
        m = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30]
        res = 0
        cur = 1970
        while cur < year:
            res += 365
            if cur % 4 == 0 and cur % 100 != 0 or cur % 400 == 0:
                res += 1
            cur += 1

        if cur % 4 == 0 and cur % 100 != 0 or cur % 400 == 0:
            m[2] = 29
        res += sum(m[:month]) + day
        return d[(res + 3) % 7]

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