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Re: compute paths in Pascal's triangle (aka Tartaglia's one)

by oiskuu (Hermit)
on Mar 22, 2018 at 20:23 UTC ( [id://1211566]=note: print w/replies, xml ) Need Help??

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  1. or download this
    #! /usr/bin/perl

...
while (my $x = $it->()) {
    dd $x;
}
  2. or download this
    sub choose {
    my ($n, $k) = @_;
    !$n ? (["$n-$k"]) x !$k
        : map [@$_, "$n-$k"], choose($n-1, $k), choose($n-1, $k-1)
}

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