Best shuffle: Difference between revisions
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Thundergnat (talk | contribs) m (syntax highlighting fixup automation) |
SqrtNegInf (talk | contribs) m (→{{header|Raku}}: use 'X' to avoid a nested loop) |
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(formerly Perl 6) |
(formerly Perl 6) |
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{{trans|Sidef}} |
{{trans|Sidef}} |
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{{works with|Rakudo Star|2015.12}} |
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<syntaxhighlight lang=raku line>sub best-shuffle(Str $orig) { |
<syntaxhighlight lang=raku line>sub best-shuffle(Str $orig) { |
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my @s = $orig.comb; |
my @s = $orig.comb; |
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my @t = @s.pick(*); |
my @t = @s.pick(*); |
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for ^@s -> |
for flat ^@s X ^@s -> \i,\j { |
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if i != j and @t[i] ne @s[j] and @t[j] ne @s[i] { |
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@t[i,j] = @t[j,i] and last |
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@t[$i, $j] = @t[$j, $i]; |
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last; |
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} |
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} |
} |
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} |
} |
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} |
} |
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@t.join, $count; |
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} |
} |
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printf "%s, %s, (%d)\n", $_, best-shuffle $_ |
printf "%s, %s, (%d)\n", $_, best-shuffle $_ for <abracadabra seesaw elk grrrrrr up a>;</syntaxhighlight> |
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for <abracadabra seesaw elk grrrrrr up a>;</syntaxhighlight> |
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{{out}} |
{{out}} |
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| ⚫ | |||
<pre> |
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| ⚫ | |||
seesaw, wssaee, (0) |
seesaw, wssaee, (0) |
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elk, lke, (0) |
elk, lke, (0) |
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grrrrrr, rrrgrrr, (5) |
grrrrrr, rrrgrrr, (5) |
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up, pu, (0) |
up, pu, (0) |
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a, a, (1) |
a, a, (1)</pre> |
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</pre> |
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=={{header|Rascal}}== |
=={{header|Rascal}}== |
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