#include <graphics.h> int main() { int gd = 0, gm = 9; initgraph(&gd, &gm, NULL); setlinestyle(DASHED_LINE, 5, NORM_WIDTH); setcolor(15); line(50, 50, 150, 150); delay(2000); return 0; }
kodingwindow@kw:~$ g++ kw.cpp -lgraphkodingwindow@kw:~$ ./a.out