Same issue here as in your third problem. Please check the absolute value of the differences of the computed values with the correct ones. Otherwise, more silly answers (again, like this one :-) will slip through!
Thanks for the catch. I've updated the test suite to check against upper and lower bounds of each answer.
Return the largest number that is adjacent to a zero
Rotate input square matrix 90 degrees CCW without rot90
Doubling elements in a vector
Returning a "greater than" vector
Pattern Recognition 2 - Known Unit Length, Various Array Length (including cell arrays)
Word Distance - Sum
Highly divisible triangular number (inspired by Project Euler 12)
Not square-free number sequence
Inscribed Pentagon? 2
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