... "C:\\TC\BGI" ;); }void main () {DIEMd1, d2, d3 ; d1.nhapsl (); d2.nhapsl (); d3.nhapsl (); kd_do_hoa (); setbkcolor(BLACK); d1.hien (); d2.hien (); d3.hien (); getch (); d1.an (); d2.an (); d3.an (); getch (); ... scanf("%d'',&n); x = (float*)malloc((n+ 1)* sizeof(float )) ; y = (float*)malloc((n+ 1)* sizeof(float )) ; for (i=1; i<=n; ++i){printf(''\n Nhap toa do x, y cua diem thu %d : '',i); ... ve_bau_troi () {for (int i = 0; i<2000; ++i) putpixel(random(xmax), random(ymax), 1+random( 1 5)) ; }void ht_di_dong_xuong () {HT h(50, 4); HT u(60, 1 5); h.hien(0, 0); u.hien(40, 0); for...