A good opportunity to implement a hashtable: lots of collisions without it.
A re-post of Solution 1137054, because that one doesn't appear in the list of solutions, for some reason (I'm not sure why).
Extract leading non-zero digit
Prime factor digits
Calculate the Levenshtein distance between two strings
Divisors for big integer
Pandigital number n°1 (Inspired by Project Euler 32)
How to reverse spdiags?
Decrypt the cypher using XOR encryption (for beginners)
Mirror, mirror on the wall, who is fairest of them all?
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