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Ingy döt Net 2013-04-10 23:57:08 -07:00
parent 47bf37c096
commit b83f433714
12433 changed files with 156208 additions and 123 deletions
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Task/Non-continuous-subsequences/Perl-6/non-continuous-subsequences.pl6 Normal file
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sub non_continuous_subsequences ( *@list ) {
powerset(@list).grep: { 1 != all( .[ 0 ^.. .end] Z- .[0 ..^ .end] ) }
}
sub powerset ( *@list ) {
reduce( -> @L, $n { [ @L, @L.map: {[ .list, $n ]} ] }, [[]], @list );
}
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};