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Non-continuous subsequences: Difference between revisions

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Non-continuous subsequences (view source)

Revision as of 05:08, 25 September 2015

163 bytes removed ,  8 years ago
→‎{{header|Perl 6}}: modernize
m (Added the Sidef language)
Line 1,393:
 
=={{header|Perl 6}}==
{{works with|rakudo|2015-09-24}}
Uses powerset() function from [[Power Set#Perl_6|here]].
<lang perl6>sub non_continuous_subsequences ( *@list ) {
powerset(@list).combinations.grep: { 1 != all( .[ 0 ^.. .end] Z- .[0 ..^ .end] ) }
}
 
say ~ non_continuous_subsequences( 1..3 )».perlgist;▼
sub powerset ( *@list ) {
say ~ non_continuous_subsequences( 1..4 )».perlgist;▼
reduce( -> @L, $n { [ @L, @L.map: {[ .list, $n ]} ] }, [[]], @list );
say ~ non_continuous_subsequences( ^4 ).map: {[<a b c d>[.list]].perlgist};</lang>▼
}
 
▲say ~ non_continuous_subsequences( 1..3 )».perl;
▲say ~ non_continuous_subsequences( 1..4 )».perl;
▲say ~ non_continuous_subsequences( ^4 ).map: {[<a b c d>[.list]].perl};</lang>
{{out}}
<pre>[((1, 3]))
[((1, 3]) [(1, 4]) [(2, 4]) [(1, 2, 4]) [(1, 3, 4]))
(["a", "c"] ["a", "d"] ["b", "d"] ["a", "b", "d"] ["a", "c", "d"])</pre>
 
=={{header|PicoLisp}}==
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