they did not

How did you avoid the warning about comparing an int to size_t?

invalid solution, fails for negative numbers.

example input: find_longest([1, -20, 100]) # should be 100

the purpose of this website is education, not passing the provided test cases with the least amount of code. this is the problem with "gamified" learning.

"*stringPtr++"

Why are you dereferencing the pointer in the for loop when you want just to increment it?

woohoo

cool recursion worth my learning

It does the trick but there are some really concise solutions here with a fraction of the upvotes...

learnes a big lesson

Nice way to evaluate the arr is not empty or None.

L comment I won't lie

everything was much easier than I thought at first

It can also be None according to the kata description, which would then return None and fail.

Hey, I am still learning c and was wondering if you could use sprintf instead?