Interesting problem but tests are too tricky.
Find all elements less than 0 or greater than 10 and replace them with NaN
First N Perfect Squares
Set the array elements whose value is 13 to 0
Is this triangle right-angled?
longest common substring : Skipped character version
Integer sequence - 2 : Kolakoski sequence
Let's see how peculiar we can get
FIFA World Cup 2014 : Offside
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