摘要: Given an integer n, generate all structurally unique BST's (binary search trees) that store values 1 ... n. Example: Input: 3 Output: [ [1,null,3,2], 阅读全文
posted @ 2018-12-08 21:40 Veritas_des_Liberty 阅读(225) 评论(0) 推荐(0)