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.
Counting in Finnish
So many choices
Back to basics 11 - Max Integer
Create an index-powered vector
Find the Best Hotels
Expression or variable?
Longest Collatz Sequence
Mysterious digits operation (easy)
Magic is simple (for beginners)
Two functions (to be sure)
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