急需C语言程序设计源代码,做一个景点旅游咨询系统!答:include<stdio.h> include<stdlib.h> include<alloc.h> include<math.h> main(){ void *ptr;int gd=DETECT;int gm;float i;initgraph(&gd,&gm,"d:\\tc");setactivepage(1);setcolor(RED);setfillstyle(1,14);fillellipse(10,10,10,10);ptr=malloc(imagesize(0,0,20,20));getimage(0...