Same issue here as in your third problem. Please check the absolute value of the differences of the computed values with the correct ones. Otherwise, more silly answers (again, like this one :-) will slip through!
Thanks for the catch. I've updated the test suite to check against upper and lower bounds of each answer.
Sums with Excluded Digits
Find the peak 3n+1 sequence value
Reindex a vector
02 - Vector Variables 3
Divide by 4
Scrabble Scores - 6
Legend of Zelda - Rupee Count (Compact)
Divisible by n, prime divisors - 11, 13, 17, & 19
I Plead the Fifth
5th Time's a Charm
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