Problem 980. Unique values without using UNIQUE function

You must return unique values in a vector in stable mode without using the unique function.
About stable order flag:
For example:
C = unique([5 5 3 4],'stable')
returns
C = [5 3 4].
The values are returned in the same order as in the original vector
Doc of the Unique function here.
Solve

Solution Stats

49.3% Correct | 50.7% Incorrect
Last Solution submitted on Oct 19, 2025

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