xp界面的记事本源代码

WINDOWS编程技巧-Windows programming skills

VC++实现的一个查看定时器的类，非常好-VC++ Timer to achieve a view of the class, very good

同学录源代码,delphi开发-website source code, development delphi

VB的1500个WINDOWSAPI类全集-VB-1500 WINDOWSAPI Class Collection

用VHDL语言编写音乐发生器的例子,希望对大家有用!-Using VHDL language music generator example, in the hope that useful to everybody!

一个三层控制的是用例子-a three-tier control the use examples

通过获取网页信息，自动更新获取天气预报,-get weather information

Ping network. it can continue to print the network connections.-Ping network. It can continue to print the network connections.

VB网络监视传输、消息发送实例 网络监视传输、消息发送实例

题目    The 15-puzzle has been around for over 100 years; even if you don"t know it by that name, you"ve seen it. It is constructed with 15 sliding tiles, each with a number from 1 to 15 on it, and all packed into a 4 by 4 frame with one tile missing. Let"s call the missing tile "x"; the object of the puzzle is to arrange the tiles so that they are ordered as:   1  2  3  4  5  6  7  8  9 10 11 12 13 14 15  x where the only legal operation is to exchange "x" with one of the tiles with which it shares an edge. As an example, the following sequence of moves solves a slightly scrambled puzzle: