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Groups > comp.programming > #6526

Re: on an n-element heap and its nodes of height h

From Richard Heathfield <rjh@cpax.org.uk>
Newsgroups comp.programming
Subject Re: on an n-element heap and its nodes of height h
Date 2016-04-19 09:23 +0100
Organization A noiseless patient Spider
Message-ID <nf4pmv$585$2@dont-email.me> (permalink)
References (4 earlier) <87y48aju20.fsf@bsb.me.uk> <nf401j$4h9$1@dont-email.me> <87r3e2jsjr.fsf@bsb.me.uk> <nf41gt$7uf$1@dont-email.me> <MPG.317f52d023662af8111@news.eternal-september.org>

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On 19/04/16 05:24, Philip Lantz wrote:
> Richard Heathfield wrote:
> Ben Bacarisse wrote:
>>> Richard Heathfield writes:
>>>> Ben Bacarisse wrote:
>>>>> Richard Heathfield writes:
>>>>>> Let's show it for h = 4:
>>>>>>
>>>>>> 1:...........*...........
>>>>>> 2:.....*...........*.....
>>>>>> 3:..*.....*.....*.....*..
>>>>>> 4:.*.*...*.*...*.*...*.*.
>>>>>>
>>>>>> At level 4, we have 8 = 2^(4-1) nodes, not 16 = 2^4 nodes.
>>>>>
>>>>> Most people would call that a tree of height 3.  I've never seen your
>>>>> counting used for tree height, but I have led a sheltered life.
>>>>
>>>> One can envisage nodes in a tree as if they were rooms in a building,
>>>> and the height is the number of storeys. h=4
>>>>
>>>> One can envisage nodes in a tree as if they were posts in a fence, and
>>>> the height is the number of fence-rails you need. h=3
>>>
>>> One could, but why would one?  Why is that analogy better than others
>>> where height is usually a measured length?
>>
>> You're assuming that I thought it all through, instead of shooting from
>> the hip. Why would you make that assumption?
>>
>> <snip>
>>
>>> Starting out saying "no" is a bit strong then!  Saying "There are two
>>> ways to measure the height and I'm using the less usual one" wouldn't
>>> have been so confrontational.
>>
>> If you're trying to make me feel guilty, you're succeeding. Please stop
>> it. :-)
>
> For what it's worth, I thought you were right. It would never have occurred
> to me to count it any other way.

So did I, and nor would it to me, but Ben's bigger than me.

-- 
Richard Heathfield
Email: rjh at cpax dot org dot uk
"Usenet is a strange place" - dmr 29 July 1999
Sig line 4 vacant - apply within

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Thread

on an n-element heap and its nodes of height h Daniel Bastos <dbastos@toledo.com> - 2016-04-18 08:48 -0300
  Re: on an n-element heap and its nodes of height h Wally W. <ww84wa@aim.com> - 2016-04-18 08:08 -0400
  Re: on an n-element heap and its nodes of height h Öö Tiib <ootiib@hot.ee> - 2016-04-18 05:47 -0700
    Re: on an n-element heap and its nodes of height h Daniel Bastos <dbastos@toledo.com> - 2016-04-18 13:56 -0300
  Re: on an n-element heap and its nodes of height h Richard Heathfield <rjh@cpax.org.uk> - 2016-04-18 14:41 +0100
    Re: on an n-element heap and its nodes of height h Daniel Bastos <dbastos@toledo.com> - 2016-04-18 13:36 -0300
      Re: on an n-element heap and its nodes of height h Richard Heathfield <rjh@cpax.org.uk> - 2016-04-18 21:45 +0100
        Re: on an n-element heap and its nodes of height h Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-04-19 01:55 +0100
          Re: on an n-element heap and its nodes of height h Richard Heathfield <rjh@cpax.org.uk> - 2016-04-19 02:05 +0100
            Re: on an n-element heap and its nodes of height h Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-04-19 02:28 +0100
              Re: on an n-element heap and its nodes of height h Richard Heathfield <rjh@cpax.org.uk> - 2016-04-19 02:30 +0100
                Re: on an n-element heap and its nodes of height h Philip Lantz <prl@canterey.us> - 2016-04-18 21:24 -0700
                Re: on an n-element heap and its nodes of height h Richard Heathfield <rjh@cpax.org.uk> - 2016-04-19 09:23 +0100
                Re: on an n-element heap and its nodes of height h Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-04-20 11:01 +0100

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