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Re: Compute Unique Numbers in a Set

From "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com>
Newsgroups comp.lang.c++
Subject Re: Compute Unique Numbers in a Set
Date 2023-01-17 13:29 -0800
Organization A noiseless patient Spider
Message-ID <tq73us$3d414$3@dont-email.me> (permalink)
References (10 earlier) <tq66tg$38bg3$1@dont-email.me> <3d614abf-c869-4288-8837-2a7e9c11050bn@googlegroups.com> <tq6g0v$39t2c$1@dont-email.me> <tq71it$3cmni$4@dont-email.me> <7jExL.61569$5S78.19125@fx48.iad>

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On 1/17/2023 1:21 PM, Scott Lurndal wrote:
> "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> writes:
>> On 1/17/2023 7:49 AM, Bonita Montero wrote:
>>> Am 17.01.2023 um 16:48 schrieb Malcolm McLean:
>>>
>>>> A shuffle followed by taking the first elements of the vector isn't a
>>>> particularly
>>>> efficient way of generating a sequence of unique random numbers. But it's
>>>> not all that ineffieicnt either, and there's often an advantage in
>>>> writing something
>>>> simply ans quickly from pre-existing components, rather than writing a
>>>> tailor-
>>>> made, customised solution.
>>>
>>> You don't have real randomness by shuffling.
>>>
>>
>> Are you saying that there is no real randomness wrt shuffling a deck of
>> cards around seven times in a row?
> 
> That depends on how it is shuffled.
> 
> https://en.wikipedia.org/wiki/Faro_shuffle

Touche. How about riffle shuffles?

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Thread

Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-08 06:01 +0100
  Re: Compute Unique Numbers in a Set Bart <bc@freeuk.com> - 2023-01-08 14:48 +0000
    Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-08 18:22 +0100
      Re: Compute Unique Numbers in a Set Bart <bc@freeuk.com> - 2023-01-08 17:46 +0000
        Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-09 04:58 +0100
          Re: Compute Unique Numbers in a Set Bart <bc@freeuk.com> - 2023-01-09 11:26 +0000
            Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-09 15:57 +0100
    Re: Compute Unique Numbers in a Set Bart <bc@freeuk.com> - 2023-01-08 17:34 +0000
      Re: Compute Unique Numbers in a Set Ike Naar <ike@sdf.org> - 2023-01-08 21:45 +0000
        Re: Compute Unique Numbers in a Set Bart <bc@freeuk.com> - 2023-01-08 23:13 +0000
          Re: Compute Unique Numbers in a Set "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2023-01-08 15:18 -0800
            Re: Compute Unique Numbers in a Set Tim Woodall <news001@woodall.me.uk> - 2023-01-13 06:35 +0000
              Re: Compute Unique Numbers in a Set Tim Woodall <news001@woodall.me.uk> - 2023-01-13 06:39 +0000
  Re: Compute Unique Numbers in a Set Paavo Helde <eesnimi@osa.pri.ee> - 2023-01-08 21:19 +0200
  Re: Compute Unique Numbers in a Set Ben Bacarisse <ben.usenet@bsb.me.uk> - 2023-01-08 19:20 +0000
  Re: Compute Unique Numbers in a Set "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2023-01-09 12:03 +0100
    Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-09 17:42 +0100
      Re: Compute Unique Numbers in a Set Ben Bacarisse <ben.usenet@bsb.me.uk> - 2023-01-09 23:22 +0000
      Re: Compute Unique Numbers in a Set Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2023-01-10 05:11 -0800
        Re: Compute Unique Numbers in a Set Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2023-01-10 05:19 -0800
      Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-13 08:26 +0100
        Re: Compute Unique Numbers in a Set Öö Tiib <ootiib@hot.ee> - 2023-01-13 03:26 -0800
        Re: Compute Unique Numbers in a Set gazelle@shell.xmission.com (Kenny McCormack) - 2023-01-13 12:21 +0000
          Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-13 14:11 +0100
            Re: Compute Unique Numbers in a Set gazelle@shell.xmission.com (Kenny McCormack) - 2023-01-13 13:55 +0000
              Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-13 15:02 +0100
                Re: Compute Unique Numbers in a Set gazelle@shell.xmission.com (Kenny McCormack) - 2023-01-13 14:17 +0000
        Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-15 16:06 +0100
          Re: Compute Unique Numbers in a Set Ralf Goertz <me@myprovider.invalid> - 2023-01-15 16:47 +0100
            Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-15 17:13 +0100
            Re: Compute Unique Numbers in a Set Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2023-01-15 08:57 -0800
              Re: Compute Unique Numbers in a Set Ralf Goertz <me@myprovider.invalid> - 2023-01-16 09:46 +0100
                Re: Compute Unique Numbers in a Set Ralf Goertz <me@myprovider.invalid> - 2023-01-16 10:21 +0100
                Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-16 13:35 +0100
                Re: Compute Unique Numbers in a Set Ralf Goertz <me@myprovider.invalid> - 2023-01-16 14:46 +0100
                Re: Compute Unique Numbers in a Set Ralf Goertz <me@myprovider.invalid> - 2023-01-16 14:42 +0100
                Re: Compute Unique Numbers in a Set Muttley@dastardlyhq.com - 2023-01-16 16:38 +0000
                Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-16 21:06 +0100
                Re: Compute Unique Numbers in a Set Ralf Goertz <me@myprovider.invalid> - 2023-01-17 09:19 +0100
                Re: Compute Unique Numbers in a Set Muttley@dastardlyhq.com - 2023-01-17 09:30 +0000
                Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-17 14:14 +0100
                Re: Compute Unique Numbers in a Set Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2023-01-17 07:48 -0800
                Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-17 16:49 +0100
                Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-17 17:32 +0100
                Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-17 19:24 +0100
                Re: Compute Unique Numbers in a Set Ralf Goertz <me@myprovider.invalid> - 2023-01-17 17:31 +0100
                Re: Compute Unique Numbers in a Set Muttley@dastardlyhq.com - 2023-01-17 17:10 +0000
                Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-17 18:18 +0100
                Re: Compute Unique Numbers in a Set Muttley@dastardlyhq.com - 2023-01-18 09:23 +0000
                Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-18 13:31 +0100
                Re: Compute Unique Numbers in a Set Muttley@dastardlyhq.com - 2023-01-18 16:16 +0000
                Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-18 17:20 +0100
                Re: Compute Unique Numbers in a Set Muttley@dastardlyhq.com - 2023-01-18 16:24 +0000
                Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-18 17:59 +0100
                Re: Compute Unique Numbers in a Set Muttley@dastardlyhq.com - 2023-01-18 17:14 +0000
                Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-18 18:23 +0100
                Re: Compute Unique Numbers in a Set Muttley@dastardlyhq.com - 2023-01-19 09:31 +0000
                Re: Compute Unique Numbers in a Set "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2023-01-17 12:48 -0800
                Re: Compute Unique Numbers in a Set scott@slp53.sl.home (Scott Lurndal) - 2023-01-17 21:21 +0000
                Re: Compute Unique Numbers in a Set "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2023-01-17 13:29 -0800
                Re: Compute Unique Numbers in a Set Paul N <gw7rib@aol.com> - 2023-01-18 06:50 -0800
                Re: Compute Unique Numbers in a Set "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2023-01-18 11:59 -0800
                Re: Compute Unique Numbers in a Set Muttley@dastardlyhq.com - 2023-01-17 16:25 +0000
                Re: Compute Unique Numbers in a Set Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2023-01-17 09:08 -0800
                Re: Compute Unique Numbers in a Set Muttley@dastardlyhq.com - 2023-01-17 17:16 +0000
                Re: Compute Unique Numbers in a Set Ben Bacarisse <ben.usenet@bsb.me.uk> - 2023-01-17 17:32 +0000
                Re: Compute Unique Numbers in a Set Muttley@dastardlyhq.com - 2023-01-18 09:23 +0000
                Re: Compute Unique Numbers in a Set gazelle@shell.xmission.com (Kenny McCormack) - 2023-01-18 12:26 +0000
                Re: Compute Unique Numbers in a Set Muttley@dastardlyhq.com - 2023-01-18 16:09 +0000
          Re: Compute Unique Numbers in a Set Bart <bc@freeuk.com> - 2023-01-15 16:27 +0000
            Re: Compute Unique Numbers in a Set Bonita Montero <Bonita.Montero@gmail.com> - 2023-01-15 17:42 +0100
          Re: Compute Unique Numbers in a Set gazelle@shell.xmission.com (Kenny McCormack) - 2023-01-15 17:11 +0000
  Re: Compute Unique Numbers in a Set Tim Woodall <news001@woodall.me.uk> - 2023-01-13 06:32 +0000
    Re: Compute Unique Numbers in a Set Öö Tiib <ootiib@hot.ee> - 2023-01-13 05:04 -0800

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