19/02/11 01:42:54.29 8Hdd2FlG.net
>>62 Perl5
use bignum (l=>GMP);
use feature say;
sub sum24 {
my $v = $_[0];
if ($v > 0) {
my $d = int($v / 2**24);
my $m = $v % 2**24; # $v - $d * $f6;
$m + sum24($d);
} else {
0;
}
}
$n = 12345678901234567890;
say $n % (2**24 -1);
say sum24($n) % (2**24 -1);
実行結果
~ $ perl 13_62.pl
13189905
13189905