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.
given 3 sides, find area of this triangle
Number of 1s in the Binary Representation of a Number
Swap the input arguments
Add two numbers
Recaman Sequence - II
Can you beat the lottery again (for hardcore coder) ?
Recycled Numbers (CodeJam Qualification Round 2012)
BLOCK x3 (Version 1)
Find indices of diagonal elements
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