18 lines
219 B
Perl
18 lines
219 B
Perl
use 5.20.0;
|
|
use List::AllUtils qw/ max /;
|
|
|
|
my %reg;
|
|
my $max;
|
|
|
|
while(<>) {
|
|
s/^(\w+)/\$reg{$1}/;
|
|
s/(?<=if )(\w+)/\$reg{$1}/;
|
|
s/dec/-=/;
|
|
s/inc/+=/;
|
|
eval;
|
|
$max = max $max, values %reg;
|
|
}
|
|
|
|
|
|
say $max;
|