Update: avoiding most of the memory usage:

That's perfect. Thankyou.

It generates the 462 of my bastard testcase instantly:

C:\test>1149981-gf -cards=12 -holes=7 | wc -l
    462

[download]

I'll probably try and turn it into an iterator once my brain's in gear; but the algorithm is spot on. Thanks again.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority". I knew I was on the right track :)
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^2: Combinatorics problem. by BrowserUk
in thread Combinatorics problem. (Updated with more info.) by BrowserUk

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