Is the test suite broken? The first line sets the input to 141221242 for all of the tests.
It worked fine with me. Maybe it was fixed.
The first test case has been updated to not have global scope.
Find relatively common elements in matrix rows
Find state names that start with the letter N
Distance walked 2D
Sophie Germain prime
The 5th Root
Sums of Distinct Powers
It's Happy! It's Fun! It's Happy Fun Hyperball!
A matrix of introverts
Reindex a vector
Longest run of consecutive numbers
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