light oj1170 - Counting Perfect BST卡特兰数
摘要：
1170 - Counting Perfect BST BST is the acronym for Binary Search Tree. A BST is a tree data structure with the following properties. i) Each BST conta 阅读全文
posted @ 2017-07-20 16:42 缄默。 阅读(131) 评论(0) 推荐(0) 编辑
