#include <graphics.h> /*°üº¬Í¼Ðο⺯ÊýµÄÍ·Îļþ*/ #include <math.h> #define pi 4.1415926 main(argc,argv) int argc;char *argv[]; /* ¶¨Òå´ø²ÎÊýµÄm a i n ( ) */ { int x,y,r1,rs,color; double a; int gdriver=DETECT,gmode; initgraph(&gdriver,&gmode,"..\\bgi ");/* Æô¶¯Í¼Ðι¤×÷·½Ê½*/ r1 = atoi(argv[1]); /*¼ÆËã»ù´¡Ô²°ë¾¶*/ rs = atoi(argv[2]); /*¼ÆËãͬÐÄÔ²°ë¾¶*/ color = atoi(argv[3]); /*±³¾°É«*/ cleardevice(); /*Çå³ýͼÐÎÆÁÄ»*/ setbkcolor(color); /*ÉèÖñ³¾°É«*/ setcolor(4); /*ÉèÖÃͼÐÎÏÔʾÑÕÉ«*/ for(a=0; a<=2*pi;a+=pi/18) /*»æÖÆͬÐÄÔ²*/ { x = r1*cos(a)+320; y = r1*sin(a)+240; circle(x,y,rs); /*ÒÔÔ²ÐÄ×ø±êΪx¡¢y£¬°ë¾¶Îªr s»Ô²*/ } getch(); /*µÈ´ý°´¼ü¼ÌÐø*/ closegraph(); /*¹Ø±ÕͼÐι¤×÷·½Ê½*/[size=16px][/size] }ɶÎÊÌ⣿ #define pi 4.1415926
main(argc,argv) int argc;char *argv[]; /* ¶¨Òå´ø²ÎÊýµÄm a i n ( ) */ { Õâ²»µ«ÊÇTurboCµÄ´úÂ룬¶øÇÒº¯Êý²ÎÊýµÄд·¨»¹ÊÇÀÏʽµÄ PIÖµ¡£¡£¡£¡£ [size=24px]Ëüµ÷ÊÔͨ²»¹ý°¡ £¡Ô¸´ó¼Ò°ïÎÒ¿´Ï£¡Ð»[/size][size=24px][/size] [/size][size=24px][/size]Õâ¾äÓï¾äµÄ×÷ÓÃÊÇʲô°¡£¿É¾³ýÕâ¾äÒ²ÄܱàÒë°¡ °¦£¬¶¼²»ÓÃTCÁË£¬ºÃÏñÎҵļ¸¸ö±àÒëÆ÷Àﶼûgraphics.h #define pi 3.1415926 {{-