Python题解 | #计算日期到天数转换#

import sys

year_level = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
year_leap = [0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]

res = 0
year, month, day = map(int, input().strip().split(' '))
if year % 100 == 0:
    if year % 400 == 0 and year % 4 == 0:
        for i in range(month):
            res += year_leap[i]
        res += day
    else:
        for i in range(month):
            res += year_level[i]
        res += day
elif year % 4 == 0:
    for i in range(month):
        res += year_leap[i]
    res += day

else:
    for i in range(month):
        res += year_level[i]
    res += day
print(res)