POJ 2955 Brackets (区间DP)
摘要:
题目链接:http://poj.org/problem?id=2955BracketsTime Limit:1000MSMemory Limit:65536KTotal Submissions:1977Accepted:1012DescriptionWe give the following inductive definition of a “regular brackets” sequence:the empty sequence is a regular brackets sequence,ifsis a regular brackets sequence, then (s) and [ 阅读全文
posted @ 2013-04-29 22:59 kuangbin 阅读(1080) 评论(0) 推荐(0) 编辑