Check if sorted
Tune your guitar
Back to basics 23 - Triangular matrix
Stuff the Board
Replicate elements in vectors
Calories in a slice of pizza?
letter yes yes & letter no no
Given an unsigned integer x, find the largest y by rearranging the bits in x
Given n, create n random numbers such that their standard deviation is also n.
Generate one sample of uniform random numbers between -pi and +pi
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