function array_distance (dimension, n, m:integer): array [,] of integer;
begin
  var i, j, i1, j1, count, count_row:integer;
  var arr: array [,] of integer;
  arr := new integer[dimension, dimension];
  for i := 0 to n - 1 do begin
    for j := 0 to m - 1 do begin
      for i1 := 0 to n - 1 do begin
        for j1 := 0 to m - 1 do begin
          if(count_row = dimension) then begin 
            break;
          end;
          if(count < dimension) then begin 
            arr[count, count_row] := abs(i1 - i) + abs(j1 - j);
            count := count + 1;
          end;
          if(count = dimension) then begin 
            count := 0;
            count_row := count_row + 1;
          end;
        end;
      end;
    end;
  end;
  array_distance:=arr;
end;