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Код: Выделить всё

#include <graphics.h>

#include <stdlib.h>

#include <stdio.h>

#include <conio.h>





int main(void)

{

   /* request autodetection */

   int gdriver = DETECT, gmode, errorcode;

   int midx, midy, radius = 50;



   /* initialize graphics and local variables */

   initgraph(&gdriver, &gmode, "");



   /* read result of initialization */

   errorcode = graphresult();

   if (errorcode != grOk) {   /* an error occurred */

      printf("Graphics error: %s\n", grapherrormsg(errorcode));



      printf("Press any key to halt:");

      getch();

      exit(1);               /* terminate with an error code */

   }



   midx = getmaxx() / 2;

   midy = getmaxy() / 2;

   setcolor(getmaxcolor());



   /* draw the circle */

   circle(midx, midy, radius);
   /* clean up */

   getch();

   closegraph();

   return 0;

}