2015 年 2月 1 日随笔档案 - neverlandly

2015年2月1日

Summary: Lowest Common Ancestor in a Binary Tree & Shortest Path In a Binary Tree

摘要：转自：Pavel's BlogNow let's say we want to find the LCA for nodes 4 and 9, we will need to traverse the whole tree to compare each node so that we can lo... 阅读全文

posted @ 2015-02-01 13:25 neverlandly 阅读(535) 评论(0) 推荐(0)

Summary: Prime

摘要：最近遇到很多问题都跟Prime有关，于是总结一下：Prime definition：Aprime number(or aprime) is anatural numbergreater than 1 that has no positivedivisorsother than 1 and itsel... 阅读全文

posted @ 2015-02-01 06:12 neverlandly 阅读(490) 评论(0) 推荐(0)