2017年7月20日
Nearest Common Ancestors
摘要： http://poj.org/problem?id=1330 Description A rooted tree is a well-known data structure in computer science and engineering. An example is shown below 阅读全文
posted @ 2017-07-20 16:01 #忘乎所以# 阅读(180) 评论(0) 推荐(0)