permutations

各种排序算法的实现，如快速排序，冒泡排序，选择排序，堆排序，二分插入排序等(Implementation of various sorting algorithms, such as quick sort, bubble sort, selection sort, heap sort, binary insertion sort, etc.)

使用C++/C语言实现的红黑树，对于数据结构的学习有所帮助。(Use red-black tree C++/C language for learning data structures helpful.)

北大ACM1702题 转换为3进制 很经典(NULL)

说明：  在给定的字母中，用c++来实现字母的排序(In a given letter, the use of c++ to implement the letter of the sort)

运用二叉树求代数表达式的值，将代数表达式的每个符号用二叉树结点表示，遍历图的每一结点，按结点值得不同采用不同运算方式(Solving algebraic expressions binary tree)

无环连通图G=(V, E)亦称为自由树T，其直径是树中所有顶点之间最短路径的最大值，设计一个算法求T的直径(Acyclic connected graph G = (V, E) is also known as free tree T, whose diameter is the tree of shortest paths between all vertices maximum design an algorithm for the diameter of T)

说明：  图的相关操作：建立图，图的遍历，查找元素，删除元素等(Map-related steps: the establishment of map, graph traversal, find elements, delete elements, etc.)

一个关于约瑟夫环问题的经典算法编程的C语言实现(the program about JOSEPHUS)

说明：  、实验目的 1 熟练掌握各种内排序方法，深刻理解排序算法及其执行过程； 2 学会分析各种内排序算法的性能； 3 了解各种排序方法的优缺点，对于实际问题能够选择一种较好的排序方案； 4 熟练掌握图的存储结构； 5 掌握图的邻接矩阵和邻接表表示分别进行深度和广度优先搜索遍历的算法。 6 了解图的最小生成树算法。 (Proficiency in the order of search, binary search and index search basic search algorithm, these algorithms are familiar with what kind of storage structure suitable for implementation two master binary sort tree characteristics, building methods, and dynamic search algorithm 3 master hash table of characteristics and construction methods.)

数据结构课程作业，查找算法。用哈希算法下实行查找(Data structure course work, search algorithm. Under the hash algorithm used to find)