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.
Number of 1s in the Binary Representation of a Number
Reverse the Words (not letters) of a String
Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed
Doubling elements in a vector
High Precision Square Root (Inspired by Project Euler 80)
Numbers spiral diagonals (Part 1)
Find indices of diagonal elements
Rank of magic square (for beginners)
BLOCK x3 (Version 4)
How to reverse spdiags ?
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