2012年4月22日
POJ-1008（水）
摘要： Maya CalendarTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 51462Accepted: 15783DescriptionDuring his last sabbatical, professor M. A. Ya made a surprising discovery about the old Maya calendar. From an old knotted message, professor discovered that the Maya civilization used a 365 day lon 阅读全文
posted @ 2012-04-22 21:46 长虹落日 阅读(164) 评论(0) 推荐(0)