2015年9月29日
Populating Next Right Pointers in Each Node 解答
摘要： QuestionGiven a binary tree struct TreeLinkNode { TreeLinkNode *left; TreeLinkNode *right; TreeLinkNode *next; }Populate each nex... 阅读全文
posted @ 2015-09-29 10:38 树獭君 阅读(189) 评论(0) 推荐(0)
Validate Binary Search Tree 解答
摘要： QuestionGiven a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtree of a node contain... 阅读全文
posted @ 2015-09-29 09:27 树獭君 阅读(155) 评论(0) 推荐(0)
Binary Tree Inorder Traversal
摘要： (referrence: ProgramCreek)The key to solve inorder traversal of binary tree includes the following:The order of "inorder" is: left child -> parent -> ... 阅读全文
posted @ 2015-09-29 08:43 树獭君 阅读(218) 评论(0) 推荐(0)
Course Schedule 解答
摘要： QuestionThere are a total ofncourses you have to take, labeled from0ton - 1.Some courses may have prerequisites, for example to take course 0 you have... 阅读全文
posted @ 2015-09-29 07:19 树獭君 阅读(240) 评论(0) 推荐(0)