Project Euler 19
Project Euler 19
题目
Counting Sundays
You are given the following information, but you may prefer to do some research for yourself.
Jan was a Monday.Thirty days has September,
April, June and November.
All the rest have thirty-one,
Saving February alone,
Which has twenty-eight, rain or shine.
And on leap years, twenty-nine.A leap year occurs on any year evenly divisible by
, but not on a century unless it is divisible by .
How many Sundays fell on the first of the month during the twentieth
century (
解决方案
可以使用 Python
中 datetime
包的 date
类解决。
代码
1 | from datetime import date |