https://stackoverflow.com/questions/5971645/what-is-the-double-tilde-operator-in-javascript

Nevermind, I didn't see the other replies.

This solution fails when hours exceed 24.

Thanks. I was printing to console.

you didn't forgot the return statment, by any chance...? ;o

I get an error with each of the test cases, even though my actual = expected in all cases. I ran each case one by one to be sure.

This is the output and error I get:

Basic tests
Log
[1, 1, 1, 3, 5, 9, 17, 31, 57, 105]
None should equal [1, 1, 1, 3, 5, 9, 17, 31, 57, 105]