#include <graphics.h> int main() { int gd = 0, gm = 9, i; initgraph(&gd, &gm, NULL); for (i = 10; i <= 150; i = i + 10) { setcolor(15); circle(120 + i, 200, i); delay(200); } delay(5000); return 0; }
kodingwindow@kw:~$ g++ kw.cpp -lgraphkodingwindow@kw:~$ ./a.out