随笔分类 -  USACO

摘要:Friday the ThirteenthIs Friday the 13th really an unusual event?That is, does the 13th of the month land on a Friday less often than on any other day ... 阅读全文
posted @ 2015-02-16 19:21 BlackStorm 阅读(419) 评论(0) 推荐(0)
摘要:Greedy Gift GiversA group of NP (2 ≤ NP ≤ 10) uniquely named friends has decided to exchange gifts of money. Each of these friends might or might not ... 阅读全文
posted @ 2015-02-16 17:46 BlackStorm 阅读(382) 评论(0) 推荐(0)
摘要:Your Ride Is HereIt is a well-known fact that behind every good comet is a UFO. These UFOs often come to collect loyal supporters from here on Earth. ... 阅读全文
posted @ 2015-02-16 17:24 BlackStorm 阅读(400) 评论(0) 推荐(0)
摘要:Programming Contest Problem TypesHal Burch conducted an analysis over spring break of 1999 and made an amazing discovery: there are only 16 types of p... 阅读全文
posted @ 2015-02-09 00:03 BlackStorm 阅读(265) 评论(0) 推荐(0)