用贪心算法做的全国31个城市之间的旅行商问题源代码，可执行程序都在附件压缩包内。里面的data.txt city.txt分别为数据表和城市名，要和可执行程序放在同一个目录内才可执行-greedy algorithm to do with the country's 31 cities between the TSP source code, the executable in Annex compressed packet. Inside data.txt city.txt of data tables and urban name, and the executable on the same within a directory can be implemented