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Hdu 5401 Persistent Link/cut Tree 树上分治/记忆化搜索
Persistent Link/cut TreeTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 535 Accepted Submission(s): 163Problem DescriptionTea原创 2017-08-14 23:26:18 · 559 阅读 · 0 评论 -
Codeforces 914E Palindromes in a Tree 点分治
E. Palindromes in a Treetime limit per test4 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a tree (a connected acyclic undirected graph) of n vertices....原创 2018-03-14 19:52:13 · 1018 阅读 · 0 评论