@bmtran is a too strong for me.
I think that in case 3, the correct answer should be: y_correct1 = [1 0 2 9 1 -5 2 0 11] and in case 4: y_correct0 = [1 0 1 0], or did I misunderstood the goal?
I agree with J.R.! Menzinger. Correct answers given are wrong.
No, the provided answers in the test cases are correct. This is "the difficulty" that Jean-Marie mentions above: for integers that are tied by number of occurrences, they are to be sorted within the tied subset in ascending order, not kept in the original ordering within the vector.
Finding Perfect Squares
Project Euler: Problem 1, Multiples of 3 and 5
Project Euler: Problem 9, Pythagorean numbers
Matlab Basics - Rounding II
Narcissistic number ?
Find Missing Number
Expression or variable?
Getting the indices from a matrice
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