2020年6月14日
HDU 3966 Aragorn's Story (树链剖分+（点权）树状数组）
摘要： Problem Description Our protagonist is the handsome human prince Aragorn comes from The Lord of the Rings. One day Aragorn finds a lot of enemies who 阅读全文
posted @ 2020-06-14 16:28 N_Yokel 阅读(133) 评论(0) 推荐(0)
POJ 1330 LCA在线算法
摘要： Description A rooted tree is a well-known data structure in computer science and engineering. An example is shown below:In the figure, each node is la 阅读全文
posted @ 2020-06-14 10:24 N_Yokel 阅读(155) 评论(0) 推荐(0)