Just to clarify the problem statement: the objective of this problem seems to be to determine the number of unique vowels used in the given string.
Correct output for Laboratory is 3.
The Goldbach Conjecture
Remove the polynomials that have positive real elements of their roots.
So many choices
Triangle Numbers Below N
Rotate input square matrix 90 degrees CCW without rot90
factor to number
Generate binary combinations for a given number of bit(s)
~~~~~~~ WAVE ~~~~~~~~~
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