Return the 3n+1 sequence for n
Increment a number, given its digits
Find the sum of the elements in the "second" diagonal
Simple equation: Annual salary
Sum of odd numbers in a matrix
Fix the last element of a cell array
Spot the rectangle (Part 2)
Spot the rectangle
Beads on a Necklace (Convex Hulls)
Encoding Google Maps Polylines
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