SHU

这是高精度大数运算的源码,对于大于64位的整形数字的四则运算，是万能的啊……(This is the code of big number s operator.)

说明：  由C程序实现的 数学上 滑雪问题 的代码实现，供大家学习用(Ski problem code for all to learn to use)

数字根算法，用最简单的代码计算数字根。如果把一个大数的各位数字相加得到一个和，再把这个和的各位数字相加又得一个和，再继续作数字和，直到最后的数字和是个位数为止，这最后的数称为最初那个数的“数字根”。(Digital root algorithm, with the most simple code to calculate the digital root. If you figure in a large numbers is the sum of a, then this and you figure the sum is again a, and then continue for digital and until the final figure and the single digits, the last number called initially that the number of "digital root".)

各种数据结构代码,欢迎下载,里面有JAVA,C,C++等等各种版本(Data structure and code, please download)

以一个m*n的长方阵表示迷宫，0和1分别表示迷宫中的通路和障碍。设计一个程序，对任意设定的迷宫，求出一条从入口到出口的通路，或得出没有 通路的结论 (To an m* n the long square maze, 0 and 1, respectively maze of paths and obstacles. Design a program, for any set of the maze, find a path from the inlet to the outlet, or the conclusions drawn without passage)

代码注重B树插入、删除的算法逻辑，适用于 学习者研究B树实现的核心思想。代码中无庞杂的无关操作(focus on B-tree code insertion, deletion algorithm logic applies to B-tree research learners to achieve the core idea. The code has nothing to do with the complex operation )

道格拉斯—普克法(Douglas—Peucker)的C++程序(Douglas- Puck method (Douglas-Peucker) of the C++ program)

马踏棋盘的贪心算法，8*8棋盘，基本上不用回溯。(horse riding chessboard of the greedy algorithm, 8* 8 chessboard, basically not retroactive.)

背包算法的c++简单实现，很有用的，可以看看(Knapsack algorithm)

说明：  一个实现外部排序的程序，其中gnerate.cpp为产生一个随机的文件，用于被排序。而caculate.cpp为外部排序程序。(A realization of the external sort program, which gnerate.cpp to generate a random file for be sorted. The caculate.cpp external sort program.)