遗传算法解决TSP问题代码 C++

const int city_num = 144; //城市数目 const int individual_num = 2000; //种群初始值 const int age = 500; //遗传代数 const double varation_p = 0.1; //变异因子 typedef struct City_xy //储存给定的城市数据包含序号和坐标 { int order; double x; double y; }City_xy; typedef struct City { int mark; }City; typedef struct Population { City city[145]; //城市数组 double distance; //个体城市序列距离之和 double Fitness; //适应度 double Fitness_pi; }Population;