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From: tmoran@acm.org
Newsgroups: comp.lang.ada
Subject: Re: Beginer problem: variable array size
References: <38993b18.0209191906.b56b982@posting.google.com>
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Date: Fri, 20 Sep 2002 06:35:12 GMT
Xref: archiver1.google.com comp.lang.ada:29203
Date: 2002-09-20T06:35:12+00:00
List-Id: <comp.lang.ada>

>I'm not elite programmer but I only see a few ways to easily
  So because you don't know Ada you don't see how to do it simply, and
therefore Ada is terrible?  That makes a lot of sense.
  Assuming that, unlike your C++ case, you have no access to any
libraries, and trusting you won't hand it in for your homework, I point out:

with Ada.Text_IO;
procedure Munch is
  use Ada.Text_IO;
  package Int_IO is new Integer_IO(Integer);

  type List_Type is array (Integer range <>) of Integer;
  Empty_List: List_Type(1 .. 0);

  function Get return List_Type is
    Datum   : Integer;
  begin
    Put("Enter an integer, or 0 to quit:");
    Int_IO.Get(Datum);
    if Datum = 0 then
      return Empty_List;
    else
      return Datum & Get;
    end if;
  end Get;

  List : List_Type := Get;
  Temp : Integer;

begin
  for I in List'range loop
    for J in I + 1 .. List'Last loop
      if List(I) > List(J) then
        Temp := List(I);
        List(I) := List(J);
        List(J) := Temp;
      end if;
    end loop;
    Put_Line(Integer'Image(List(I)));
  end loop;
end Munch;