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.
The Goldbach Conjecture
Find number of days
Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
Return 'on' or 'off'
I Plead the Fifth
BLOCK x3 (Version 4)
How many monitors are connected ?
Negation and new variables
Permute diagonal and antidiagonal
Rank of magic square (for beginners)
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