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 ...

对于二叉搜索树，如果预先输入一堆排好序的序列，其会退化成单链表。为了解决这个问题，规定一个平衡的附加条件:任何节点的深度都不的过深。但是标准的二叉平衡树实现起来复杂性过高，因此介绍一种较为经典的平衡术—avl(adelson-velskii and ...

A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a...

A Binary Search Tree (BST) is recursively defined as a binary tree which has the following properties: The left subtree of a ...

Eva is trying to make her own color stripe out of a given one. She would like to keep only her favorite colors in her favorit...

A traveler’s map gives the distances between cities along the highways, together with the cost of each highway. Now you are s...

Given a string, you are supposed to output the length of the longest symmetric sub-string. For example, given Is PAT&TAP ...

see https://www.caam.rice.edu/~heinken/latex/symbols.pdf

A supply chain is a network of retailers（零售商）, distributors（经销商）, and suppliers（供应商）– everyone involved in moving a product f...

A graph which is connected and acyclic can be considered a tree. The height of the tree depends on the selected root. Now you...