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.
Is my wife right?
Find the 9's Complement
Find the next Fibonacci number
Is it really a 5?
Recycled Numbers (CodeJam Qualification Round 2012)
How many monitors are connected ?
Decrypt the cypher using XOR encryption (for beginners)
Negation and new variables
Divisors for big integer
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