2020年2月16日
96. Unique Binary Search Trees
摘要： Problem : Given n , how many structurally unique BST 's (binary search trees) that store values 1 ... n ? Example: 思路 ： 二叉搜索树(Binary Search Tree, BST) 阅读全文
posted @ 2020-02-16 11:43 littledy 阅读(85) 评论(0) 推荐(0)
94. Binary Tree Inorder Traversal
摘要： Problem : Given a binary tree, return the inorder traversal of its nodes' values. Example: Follow up: Recursive solution is trivial, could you do it i 阅读全文
posted @ 2020-02-16 10:47 littledy 阅读(116) 评论(0) 推荐(0)
84. Largest Rectangle in Histogram
摘要： Problem : Given n non negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle i 阅读全文
posted @ 2020-02-16 10:17 littledy 阅读(85) 评论(0) 推荐(0)