TSP标准测试算例的网站，http://comopt.ifi.uni-heidelberg.de/software/TSPLIB95/tsp/
其中当前求得的最优解可查询 http://comopt.ifi.uni-heidelberg.de/software/TSPLIB95/STSP.html
使用方法 https://blog.csdn.net/junzhepan/article/details/8498707?utm_medium=distribute.pc_relevant_download.none-task-blog-BlogCommendFromBaidu-2.nonecase&depth_1-utm_source=distribute.pc_relevant_download.none-task-blog-BlogCommendFromBaidu-2.nonecas
原文：https://www.cnblogs.com/kksk43/p/14346097.html