Uses graphabc;
var
  i, j: integer;
  ar: array[1..10]of integer;
  b: boolean;

 label l1;
 begin
  b := false;
  for i := 1 to 10 do ar[i] := random(10, 300);
  l1:
  b := false;
  for i := 1 to 10 do
     for j := 1 to 10 do if((ar[i] = ar[j]) or (abs(ar[i] - ar[j]) < 10)) and (i j)
      then
      begin
      b := true;
      ar[i] := random(30, 300);
      end;
  if b = true then goto l1;
  window.Init(0, 0, 800, 600, clwhite);
  window.IsFixedSize := true;
  randomize;
  lockdrawing;
  pen.Width := 5;
  for i := 1 to 10 do
  begin
    pen.Color := rgb(random(0, 255), random(0, 255), random(0, 255));              drawcircle(400, 300, ar[i]);
    redraw;
end; 
end.