Yohoc

摘要： 题目： Some scientists took pictures of thousands of birds in a forest. Assume that all the birds appear in the same picture belong to the same tree. You 阅读全文

摘要： 题目： When register on a social network, you are always asked to specify your hobbies in order to find some potential friends with the same hobbies. A s 阅读全文

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摘要： 题目： The lowest common ancestor (LCA) of two nodes U and V in a tree is the deepest node that has both U and V as descendants. Given any two nodes in a 阅读全文

摘要： 题目： An AVL tree is a self-balancing binary search tree. In an AVL tree, the heights of the two child subtrees of any node differ by at most one; if at 阅读全文

摘要： 题目： Given a tree, you are supposed to tell if it is a complete binary tree. Input Specification: Each input file contains one test case. For each case 阅读全文

摘要： 题目： Suppose that all the keys in a binary tree are distinct positive integers. A unique binary tree can be determined by a given pair of postorder and 阅读全文

摘要： 题目： A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a node contains only no 阅读全文

摘要： 题目： A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a node contains only no 阅读全文

摘要： 题目： A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a node contains only no 阅读全文