ZOJ 3876 May Day Holiday(找规律||打表-基姆拉尔森计算公式(求某年某月某日星期几))
MayDayHolidayTimeLimit:2Seconds MemoryLimit:65536KBAsauniversityadvocatingself-learningandwork-restbalance,MarjarUniversityhassomanydaysofrest,includingholidaysandweekends.Eachweekend,whichconsists