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)
I agree with Alfonso.
@Mehmet can you explain why?
Whether the input is vector?
Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed
How many digits are there?
Put Two 1D matrices into one 1D matrix
Go back n times
Find a real root of a quintic function without using roots function
Basic Monte Carlo Simulation
Repeat string n times - 2
Area under standard normal curve
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