Should include some test cases with negative numbers in the Test Suite. For example, several submissions would fail for x = [1, −1; −1, 1].
Increment a number, given its digits
select the primes of a vector
Determine the square root
Determine the length of a string of characters
Create a Matrix of Zeros
Probability of red tulips (at both ends of a row)
Probability of red tulips
Average of even-numbered columns
Average of odd values
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