⑴ 自定义磁盘文件管理的数据结构； ⑵ 能够自由创建、修改、删除文件； ⑶ 文件具有一定自定义的属性； ⑷ 能够显示当前系统文件的状态。-⑴ Custom disk file management data structure ⑵ the freedom to create, modify and delete files ⑶ file has a custom property ⑷ can display the status of the current system fi

求解tsp的分支定界程序，具有数据文件选择、城市数量自定义和结构清晰等优点。-Branch and bound to solve tsp program, with a data file is selected, the number of cities and custom structure clear advantages.