Introduction to Alternative Splicing
AUTHOR
L. Grondin
http://rosalind.info/problems/aspc/
Expected output from default input data:
42
use v6;
sub MAIN($n = 6, $m = 3) {
my $sum = my $C = ([*] $n-$m+1 .. $n) div [*] 1 .. $m;
for $m+1 .. $n -> $k { $sum += $C = $C * ($n - $k + 1) div $k }
say $sum % 1_000_000;
}
# vim: expandtab shiftwidth=4 ft=perl6