罗密欧与朱丽叶的迷宫问题 利用回溯法搜索出一条路经，帮助罗密欧走遍所有房间到达朱丽叶的房间-Romeo and Juliet maze of back problems using a way to search by law to help Romeo traveled all the rooms reach Juliet rooms

图形界面实现八皇后游戏，皇后数最大为60。-graphical interface to achieve Queen's eight games, the largest number of Queen's 60.

售货员问题，用贪心法解决问题，虽然比较简单还算可以实现基本要求-salespersons questions, greedy algorithm to solve the problem, although it is relatively simple to achieve fairly basic requirements