I think that with this kind of problem, you can process in two steps.
A first easy problem with small N (to test perms for example). And a harder problem with big N, which
oblige to find another algorithm.
Prime factor digits
How to find the position of an element in a vector without using the find function
Reverse the Words (not letters) of a String
Choose the best fitting dominoes
Given a matrix, swap the 2nd & 3rd columns
What digit is it?
Miles to go before I sleep
Exponents in Factorials
Hackathon - String version
Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
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