Closest Common Ancestors Time Limit: 2000MS Memory Limit: 10000K Total Submissions: 13370 Accepted: 4338 Description Write a program that takes as input a rooted tree and a list of pairs of vertices. For each pair (u,v) the program determines the…
Nearest Common Ancestors Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 14902 Accepted: 7963 Description A rooted tree is a well-known data structure in computer science and engineering. An example is shown below: In the figure, each…
详细讲解见:https://blog.csdn.net/liangzhaoyang1/article/details/52549822 zz:https://www.cnblogs.com/kuangbin/p/3302493.html /* *********************************************** Author :kuangbin Created Time :2013-9-5 0:09:55 File Name :F:\2013ACM练习\专题学习\LCA…