Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 26416 Accepted: 13641 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 labeled with an inte…
http://poj.org/problem?id=1330 题目意思就是T组树求两点LCA. 这个可以离线DFS(Tarjan)-----具体参考 O(Tn) 0ms 还有其他在线O(Tnlogn)也可参考LCA // This file is made by YJinpeng,created by XuYike's black technology automatically. // Copyright (C) 2016 ChangJun High School, Inc. // I don…
Nearest Common Ancestors Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 20940 Accepted: 11000 Description A rooted tree is a well-known data structure in computer science and engineering. An example is shown below: In the figure, e…
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 labeled with an integer from {1, 2,...,16}. Node 8 is the root of the tree. Node x is an ancestor of…
任意门:http://poj.org/problem?id=1330 Nearest Common Ancestors Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 34942 Accepted: 17695 Description A rooted tree is a well-known data structure in computer science and engineering. An example…
Nearest Common Ancestors Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 18136 Accepted: 9608 Description A rooted tree is a well-known data structure in computer science and engineering. An example is shown below: In the figure, each…