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src
- PKU 上的几个题目 Tunnel Warfare Unique Solution Washing Clothes Weather Forecast Who Gets the Most Candies
Maze
- 迷宫算法（maze） /* Maze * Starting point is m[0][0], need to find a path go to m[9][9]. 0 means OK, * 1 means cannot go there, boundary is 0 and 9, cannot go beyond boundary. * Each step can be made horizontally or vertically for one more gri
string
- 字符串匹配算法研究 字符串匹配 前缀 后缀 kmp算法 后缀树-with internet booming, the amount of information gets more and more. How to find the target information in such tramendous data is the key in web searching develepment. In this end the string matching algorithm takes
star
- 实现星三角形的程序代码，星逐行递增，文件包含两种算法。-Code to achieve star triangle, star gets incremented, the file contains two algorithms.
include
- 在采用二叉链表存储的二叉树上，编程实现从根结点到指定结点之间的路径.-#include <stdio.h> #include <stdlib.h> typedef struct BTnode { char data struct BTnode*lchild,*rchild }BTNode #define NodeLen sizeof(BTNode) BTNODE*Creat_Bt(void) void Preorder
code2
- Package consists of 3 codes. First,to Print huffman decoding tree given.Second, to find top level view of a tree. Third, A reviewer rates the two challenges, awarding pointsfor three categories.We define the rating for two person s challenge to be th
凯撒密码
- 凯撒密码（caeser）是用于加密通过信使传递的作战命令。置换加密的优点就在于它易于实施却难于破解。发送方和接收方很容易事先商量好一个密钥，然后通过密钥从明文中生成密文，即使敌人获取密文，通过密文直接猜测其代表的意义，在实践中是不可能的。 在密码学中存在着各种各样的置换方式，但所有不同的置换方式都包含2个相同的元素：密钥和协议(算法)。凯撒密码的密钥是x，算法是将普通字母表中的字母用密钥对应的字母替换。(The Kaiser code (Caeser) is the operational c