2017年8月6日
653. Two Sum IV - Input is a BST 两个数的和，输入为平衡二叉树
摘要： Given a Binary Search Tree and a target number, return true if there exist two elements in the BST such that their sum is equal to the given target.Example 1:Input: 5 / \ 3 6 / \ \ 2 ... 阅读全文
posted @ 2017-08-06 20:28 xiejunzhao 阅读(785) 评论(0) 推荐(0)