Shorter than mine.
Remove the polynomials that have positive real elements of their roots.
Given a window, how many subsets of a vector sum positive
Determine the number of odd integers in a vector
Free passes for everyone!
Which values occur exactly three times?
Test for balanced parentheses
Replace NaNs with the number that appears to its left in the row.
Find all elements less than 0 or greater than 10 and replace them with NaN
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