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Jogging_Clown
丢掉盔甲，我依然是骄傲帅气的骑士。
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SPOJ 题目 375 QTREE - Query on a tree（树链剖分）
QTREE - Query on a tree#number-theoryYou are given a tree (an acyclic undirected connected graph) with N nodes, and edges numbered 1, 2, 3...N-1.We will ask you to perfrom some instruc原创 2015-10-11 18:38:25 · 786 阅读 · 0 评论 -
HDOJ 题目3966 Aragorn's Story（树链剖分，树状数组）
Aragorn's StoryTime Limit: 10000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 6073 Accepted Submission(s): 1615Problem DescriptionOur protagoni原创 2015-10-12 14:42:58 · 524 阅读 · 0 评论