radius of a spherical planet
Number of 1s in the Binary Representation of a Number
The Tower of Hanoi
Matrix which contains the values of an other matrix A at the given locations.
Magic is simple (for beginners)
Back to basics 19 - character types
Back to basics 4 - Search Path
Back to basics 5 - Clipboard
Back to basics 18 - justification
Valid Chess Moves
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