2020年第十一届蓝桥杯 - 省赛 - Python大学组 - C.跑步锻炼

IdeasPython日期计算，判断周初月初就欧克啦。CodePythonfrom datetime import datefrom datetime import timedeltaif __name__ == '__main__': start = date(2000, 1, 1) end = date(2020, 10, 2) res = 0 while start < end: res += 2 if start.day == 1 or start.weekday.