One famous example is the travelling salesmanproblem-finding the shortest route between several cities.
其中一个著名的例子就是推销员旅行问题：找出几个城市之间的最短路线。
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The problem in Chow expect travel around, every city is accessed once and only once, we take into account the solution to the traveling salesmanproblem.
本题中周先生想到各地旅游，每个城市都被访问一次且仅一次，我们考虑到了旅行商问题的解决方法。
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Abstract: Traveling salesmanproblem is an extensive study of the academic community, many scholars have long painstaking research, with impressive results.