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.
Add two numbers
Given an unsigned integer x, find the largest y by rearranging the bits in x
Tell me the slope
Determine if input is a perfect number
Find the Best Hotels
I want to know everything!
Find files with extension ext in the current directory
Replicate elements in vectors
Add more zeros
Two functions (to be sure)
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