List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes it multiple times.
in = 137 ---> out = 137
in = 876 ---> out = [73 3 2]
love the "unique" command!
Do not cheat yourself,OK?
I added additional cases to the test suite, so this attempted solution is incorrect now.
First N Perfect Squares
vectorization in N
Find the sum of the elements in the "second" diagonal
Return 'on' or 'off'
So many choices
Flip the bit
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