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Re^3: Golf: Buying with exact change

by blokhead (Monsignor)
on Feb 22, 2005 at 18:16 UTC ( #433438=note: print w/ replies, xml ) Need Help??


in reply to Re^2: Golf: Buying with exact change
in thread Golf: Buying with exact change

Here's a solution that doesn't have the arbitrary restriction on the solution size, although since it uses the same regex trick as above, the inputs must still be <32k. It's 75 characters:

($",$n,$_)="}|1{";while($n++<$_[-1]){$_.=1;/^(1{@_})*$/ or$n=0}length()-pop

But the non-regex ideas are interesting to me, as I wasn't sure it was easily possible without the regex logic.

blokhead


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