In the place of "Find the sum of all products whose...", I would say: "Find the number of all products whose..." ;-)
Why  instead of 0?
Since I have kludged a solution together, can I have a hint?
this solution works on my comupter
I see the first test command line is corrupted
:( :( :(
I've fixed that first line in the test suite. Try it again.
Back to basics 11 - Max Integer
Find the largest value in the 3D matrix
Is X a Fibonacci Matrix?
Find the hypotenuse
Numbers spiral diagonals (Part 1)
Decrypt the cypher using XOR encryption (for beginners)
Generalised Hamming Number
Recycled Numbers (CodeJam Qualification Round 2012)
Mirror, mirror on the wall, who is fairest of them all?
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