旅行商问题：全国省会二维坐标如图30所示，基于遗传算法设计从黑龙江到西藏，并遍历全国各省会(每个省会只经过一次）的最短路径-Traveling salesman problem: two-dimensional coordinates of the national capital as shown in Figure 30, based on genetic algorithm design from Heilongjiang to Tibet and traverse the provinc