摘要: Given n, how many structurally unique BST's (binary search trees) that store values 1...n? For example,Given n = 3, there are a total of 5 unique BST' 阅读全文
posted @ 2016-10-18 10:33 咖啡中不塌缩的方糖 阅读(105) 评论(0) 推荐(0) 编辑