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Groups > comp.lang.c > #62068

Re: permutation generator in C

From Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups comp.lang.c
Subject Re: permutation generator in C
Date 2015-05-15 21:48 +0100
Organization A noiseless patient Spider
Message-ID <87iobt1sa9.fsf@bsb.me.uk> (permalink)
References <e7aaceef-80c0-429f-8b77-14dc2e514d07@googlegroups.com> <87a8x53ca1.fsf@bsb.me.uk> <e4cb0971-108e-4d4d-977f-08bb9f0f5650@googlegroups.com>

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asetofsymbols@gmail.com writes:

> Ben wrote:
> <           c[n] += 1; 
> <           n = 1;
>
> Instead here result something as
> ++c[n]

Why?

> n=0;

The n = 0 vs. n = 1 is interesting.  I deliberately wrote 1 and not 0
despite having moved to zero-based arrays and I think it's correct
(though 0 works too).  Have you found an error case?

-- 
Ben.

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permutation generator in C asetofsymbols@gmail.com - 2015-05-15 02:19 -0700
  Re: permutation generator in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-15 11:32 +0100
    Re: permutation generator in C asetofsymbols@gmail.com - 2015-05-15 04:44 -0700
      Re: permutation generator in C asetofsymbols@gmail.com - 2015-05-15 04:49 -0700
      Re: permutation generator in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-15 16:21 +0100
        Re: permutation generator in C asetofsymbols@gmail.com - 2015-05-15 11:44 -0700
      Re: permutation generator in C Keith Thompson <kst-u@mib.org> - 2015-05-15 08:26 -0700
  Re: permutation generator in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-15 19:51 +0100
    Re: permutation generator in C asetofsymbols@gmail.com - 2015-05-15 13:38 -0700
      Re: permutation generator in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-15 21:48 +0100
        Re: permutation generator in C asetofsymbols@gmail.com - 2015-05-15 14:05 -0700
          Re: permutation generator in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-05-15 22:32 +0100
          Re: permutation generator in C Keith Thompson <kst-u@mib.org> - 2015-05-15 14:43 -0700
            Re: permutation generator in C asetofsymbols@gmail.com - 2015-05-15 16:53 -0700
              Re: permutation generator in C Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2015-05-15 18:32 -0600
                Re: permutation generator in C Keith Thompson <kst-u@mib.org> - 2015-05-16 02:03 -0700

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