Increment a number, given its digits
cos for boss?
Find best placement for ordered dominoes (harder)
Make a random, non-repeating vector.
Knots Contest: Minimum Knots (ContestSuite)
GJam: 2013 China Event: Cannon Angle
Solve Quadratic : No * - or key functions permitted
Create Circular Perfect Square Sequence
Rubik's Cube: 30 Moves or Less : Cody Size
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