Leetcode 1154. Day of the Year

Posted 2021-09-05 SnailTyan

文章作者：Tyan
博客：noahsnail.com  |  CSDN  |  简书

1. Description

2. Solution

**解析：**Version 1，先将年、月、日分离出来，然后根据月份和日期累加天数，最后判断时闰年的话总天数加1。

• Version 1

class Solution:
    def dayOfYear(self, date: str) -> int:
        year, month, day = map(int, date.split('-'))
        months = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
        days = day
        for i in range(month):
            days += months[i]
        if month > 2 and (year % 400 == 0 or (year % 4 == 0 and year % 100 != 0)):
            days += 1
        return days

Reference

1. https://leetcode.com/problems/day-of-the-year/