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