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.
Project Euler: Problem 1, Multiples of 3 and 5
Number of 1s in a binary string
Replace Vector Elements
Generate a vector like 1,2,2,3,3,3,4,4,4,4
BULLSEYE Part 3: Reference Problem 18 BULLSEYE
Put Two 1D matrices into one 1D matrix
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