【leetcode】1185. Day of the Week

题目如下：

Given a date, return the corresponding day of the week for that date.

The input is given as three integers representing the day, month and year respectively.

Return the answer as one of the following values {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"}.

Example 1:
Input: day = 31, month = 8, year = 2019

Output: "Saturday"
Example 2:
Input: day = 18, month = 7, year = 1999

Output: "Sunday"
Example 3:
Input: day = 15, month = 8, year = 1993

Output: "Sunday"
Constraints:

The given dates are valid dates between the years 1971 and 2100.

解题思路：用datetime中的strftime最简单。

代码如下：

class Solution(object):

    def dayOfTheWeek(self, day, month, year):

        """

        :type day: int

        :type month: int

        :type year: int

        :rtype: str

        """

        week = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"]

        import datetime

        whatday = datetime.datetime(year, month, day).strftime("%w")

        return week[int(whatday)]

巴特西

【leetcode】1185. Day of the Week

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