电子地图管理系统18页.doc

#include #include #include #include #include #include #include #include using namespace std;void start();void display();void displaypaixu();void displayjiansuo();Road *head = NULL;void SearchByClass(Road *head)time_t a,b;Road *prev,*p,*end,*temp_head; char Run_time80;int i=0,Class;printf(请输入您所要查找的道路的番号：n);scanf(%d,&Class);prev=p=(Road *)malloc(sizeof(Road