http://www.perlmonks.org?node_id=1034761


in reply to Re^2: performance of counting keys in a big hash
in thread performance of counting keys in a big hash

Dammit Jim, I'm a doctor, not a C programmer! :-) ok it's a little cross genre, but what the hell

If you spot any bugs in my solutions, it's because I've deliberately left them in as an exercise for the reader! :-)