Problem 54290. Count of Unique Elements of a Vector

Count the number of times each unique element appears in a vector.
Example:
Input x = [2 9 1 2 4 9 2]
Output y = [1 1; 2 3; 4 1; 9 2]
Solve

Solution Stats

83.33% Correct | 16.67% Incorrect
Last Solution submitted on Jun 27, 2025

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