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From: Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups: comp.lang.c
Subject: Re: Sort of trivial code challenge - may be interesting to you anyway
Date: Thu, 05 Mar 2026 20:06:22 -0800
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scott@slp53.sl.home (Scott Lurndal) writes:

> Tim Rentsch <tr.17687@z991.linuxsc.com> writes:
>
>> scott@slp53.sl.home (Scott Lurndal) writes:
>>
>>> DFS <nospam@dfs.com> writes:
>>>
>>>> On 3/4/2026 5:44 AM, Bonita Montero wrote:
>>>>
>>>>    int colwidth = sprintf(cw,"%d",max) + 1;
>>>
>>> using ciel(log10(rows*columns)) performs better than snprintf
>>> in this application.
>>>
>>>
>>> $ printf '%f\n' $(( ceil(log10( 8*8)) ))
>>> 2.000000
>>
>> Using snprintf() is more correct and also more obviously correct.
>
> Yes, I had assumed the first row, first column would be zero, not one.

The value for 10 is also wrong.  And 100.  And 1000.  etc...

By the way, I see no reason to disallow a cutoff value of 0.