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.
How many trades represent all the profit?
Given a matrix, swap the 2nd & 3rd columns
Celsius to Fahrenheit converter
Symmetry of vector
BULLSEYE Part 2: Reference Problem 18 BULLSEYE
Reverse CHECKBOX MATRIX with 69
Diagonal & Anti-Diagonal Matrix: Easy
Put Two 1D matrices into one 1D matrix
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