<homer simpson voice>
Mmmmmmm ... gollllf ....</homer simpson voice>
Can I play too?
# 1. Convert "shift" to "pop" to save 2 chars
# 2. Convert leading "if" to trailing "&&" to
# squeeze out one space char
# 3. Convert !(conditional)&&(action) to
# (conditional)||(action) for one char
#
# Savings = 4 chars (86 total chars)
sub p{my($n,@e,$o)=@_;$_{$_=join$",sort@_,$/}++||print;p(++$o,--$n,@e)
+while$n-1}p(pop)
I've a feeling it can go smaller, though :)
Update Oh, and ...
# 4. Remove parens from subroutine for 1 char
#
# Total: 85 chars
sub p{my($n,@e,$o)=@_;$_{$_=join$",sort@_,$/}++||print;p(++$o,--$n,@e)
+while$n-1}p pop
I still think it can get smaller ...
s''(q.S:$/9=(T1';s;(..)(..);$..=substr+crypt($1,$2),2,3;eg;print$..$/
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