2015年3月6日
A1043. Is It a Binary Search Tree (25)
摘要： Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties:The left subtree of a node contains only nodes wit... 阅读全文
posted @ 2015-03-06 22:18 Joilee 阅读(502) 评论(0) 推荐(0)
A1020. Tree Traversals (25)
摘要： Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to ou... 阅读全文
posted @ 2015-03-06 00:41 Joilee 阅读(111) 评论(0) 推荐(0)