[Haskell-cafe] Looking for suggestions to improve my algorithm

Chaddaï Fouché chaddai.fouche at gmail.com
Thu Aug 30 09:08:45 EDT 2007

I managed it in 7 seconds (on 1500 MHz) with an idea close to yours
(but I used IntSet, not IntMap), Daniel Fisher gave you some good
ideas to achieve it, the real snail in this problem is the sumDivisors


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