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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Juggler-sequence/Raku/juggler-sequence.raku Normal file
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use Lingua::EN::Numbers;
sub juggler (Int $n where * > 0) { $n, { $_ +& 1 ?? .³.&isqrt !! .&isqrt } … 1 }
sub isqrt ( \x ) { my ( $X, $q, $r, $t ) = x, 1, 0 ;
$q +<= 2 while $q ≤ $X ;
while $q > 1 {
$q +>= 2; $t = $X - $r - $q; $r +>= 1;
if $t ≥ 0 { $X = $t; $r += $q }
}
$r
}
say " n l[n] i[n] h[n]";
for 20..39 {
my @j = .&juggler;
my $max = @j.max;
printf "%2s %4d %4d %s\n", .&comma, +@j-1, @j.first(* == $max, :k), comma $max;
}
say "\n n l[n] i[n] d[n]";
( 113, 173, 193, 2183, 11229, 15065, 15845, 30817 ).hyper(:1batch).map: {
my $start = now;
my @j = .&juggler;
my $max = @j.max;
printf "%10s %4d %4d %10s %6.2f seconds\n", .&comma, +@j-1, @j.first(* == $max, :k),
$max.chars.&comma, (now - $start);
}