Problem 45279. Cryptography with A Square Matrix : Encoding
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3 Comments
Alfonso Nieto-Castanon
on 19 Sep 2020
it's a bit unclear why padding is necessary in the first two test cases, where the number of characters (15) is already a multiple of the key size (3 or 5, respectively)
ChrisR
on 19 Jun 2021
I agree with Alfonso.
Dyuman Joshi
on 19 Jun 2021
+1
@Mehmet can you explain why?
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