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hdu2586How far away ?
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 6456 Accepted Submission(s): 2432 Problem Description There are n houses in the v原创 2015-03-01 22:55:39 · 741 阅读 · 0 评论 -
poj1330Nearest Common Ancestors以及讲解倍增法求lca
Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 20487 Accepted: 10784 Description A rooted tree is a well-known data structure in computer science and engineering. An e原创 2015-04-16 20:03:13 · 1122 阅读 · 0 评论