随笔分类 -  DP

ZOJ 3738
摘要：。 阅读全文
posted @ 2015-04-20 21:22 canond 阅读(85) 评论(0) 推荐(0)
k-Tree
摘要：C. k-Treetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputQuite recently a creative student Lesha ... 阅读全文
posted @ 2015-04-20 21:09 canond 阅读(357) 评论(0) 推荐(0)
编程之美2015资格赛：回文字符序列
摘要：题目2 : 回文字符序列时间限制:2000ms单点时限:1000ms内存限制:256MB描述给定字符串，求它的回文子序列个数。回文子序列反转字符顺序后仍然与原序列相同。例如字符串aba中，回文子序列为"a", "a", "aa", "b", "aba"，共5个。内容相同位置不同的子序列算不同的子序列... 阅读全文
posted @ 2015-04-20 19:29 canond 阅读(166) 评论(0) 推荐(0)
ZOJ 3822
摘要：DominationTime Limit:8 Seconds Memory Limit:131072 KB Special JudgeEdward is the headmaster of Marjar University. He is enthusiastic about chess and o... 阅读全文
posted @ 2014-10-23 09:14 canond 阅读(142) 评论(0) 推荐(0)