Created
December 15, 2014 04:01
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| use strict; | |
| use warnings; | |
| print p([@ARGV]), "\n"; | |
| sub p { | |
| my $e = shift; | |
| my $s = shift @{$e}; | |
| return p($e) + p($e) if $s eq "+"; | |
| return p($e) - p($e) if $s eq "-"; | |
| return p($e) * p($e) if $s eq "*"; | |
| return p($e) / p($e) if $s eq "/"; | |
| return $s; | |
| } |
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