2019年2月24日
1064 Complete Binary Search Tree （BST+CBT）
摘要： A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a node contains only nodes 阅读全文
posted @ 2019-02-24 17:47 Johnny、 阅读(268) 评论(0) 推荐(0)
1107 Social Clusters （复杂并查集）
摘要： When register on a social network, you are always asked to specify your hobbies in order to find some potential friends with the same hobbies. A socia 阅读全文
posted @ 2019-02-24 14:38 Johnny、 阅读(215) 评论(0) 推荐(0)