The test suite should check the size of the answer. It seems kind of a cheat to give an answer with 8 characters when the encrypted message has length 10. We can't be sure if the person found the asnwer for the two last characters or not.
And this problem is much easier than others you solved here!! ;-)
Sorry, I was tempted by the 'break the lock' part... :)
random picture with random colours
Hackathon: the beginnings
Min of a Matrix
Sum the 'edge' values of a matrix
expand intervals vol.2
Modify subscripts - easier
Calculate the Damerau-Levenshtein distance between two strings.
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