https://segmentfault.com/a/1190000002641054
LCS Longest Common Subsequence 最长公共子列
LIS Longest Increasing Subsequence 最长上升子列
https://segmentfault.com/a/1190000002646526
LRS Longest Repeated Substring 重复子串
https://www.cnblogs.com/JVxie/p/4854719.html
LCA Least Common Ancestors 最近的公共祖先
http://blog.csdn.net/ywcpig/article/details/52336496
RMQ Range Maximum/Minimm Query 区间最值查询