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### Re^3: Subroutine overhead in Perl

by strat (Canon)
 on Nov 07, 2007 at 07:26 UTC ( #649420=note: print w/replies, xml ) Need Help??

in reply to Re^2: Subroutine overhead in Perl

A very special testcase is the following sudoku:

```9-6-7-4-3
---4--2--
-7--23-1-
5-----1--
-4-2-8-6-
--3-----5
-3-7---5-
--7--5---
4-5-1-7-8
which has two solutions:
```926571483
351486279
874923516
582367194
149258367
763194825
238749651
617835942
495612738
and
```926571483
351486279
874923516
582367194
149258367
763149825
238794651
617835942
495612738

Best regards,
perl -e "s>>*F>e=>y)\*martinF)stronat)=>print,print v8.8.8.32.11.32"

Replies are listed 'Best First'.
Re^4: Subroutine overhead in Perl
by polettix (Vicar) on Nov 08, 2007 at 14:34 UTC
AFAIK, a "good" SuDoKu puzzle should have a unique solution.

Flavio
perl -ple'\$_=reverse' <<<ti.xittelop@oivalf

Io ho capito... ma tu che hai detto?

That's true; but if you are beware of such strange user input, it's easier to write tests and make sure that such strange user input is also handled correctly...

Best regards,
perl -e "s>>*F>e=>y)\*martinF)stronat)=>print,print v8.8.8.32.11.32"

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