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var data : array[1..20] of i

[填空题]
var
  data : array[1..20] of integer;
  n, i, h, ans : integer;
procedure merge;
begin
  data[h - 1] := data[h - 1] + data[h];
  dec(h);
  inc(ans);
end;
begin
  readln(n);
  h := 1;
  data[h] := 1;
  ans := 0;
  for i:=2 to n do
  begin
    inc(h);
    data[h] := 1;
    while (h > 1) and (data[h] = data[h - 1]) do
      merge;
  end;
  writeln(ans);
end.

(1)
输入:8
输出:1
(2)
输入:2012
输出:2

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