摘要: http://202.197.224.59/OnlineJudge2/index.php/Problem/read/id/1250 Super Fast Fourier Transform Bobo has two sequences of integers {a1,a2,…,an} and {b1 阅读全文
posted @ 2017-03-12 23:01 一个_小菜鸟 阅读(151) 评论(0) 推荐(0) 编辑
摘要: http://202.197.224.59/OnlineJudge2/index.php/Problem/read/id/1252 Defense Tower In ICPCCamp, there are n cities and (n−1) (bidirectional) roads betwee 阅读全文
posted @ 2017-03-12 21:15 一个_小菜鸟 阅读(163) 评论(0) 推荐(0) 编辑