Replicate each element of a row vector (with NaN) a constant number of times.
n=2, A=[1 2 3] -> [1 1 2 2 3 3]
n=0, A=[2 1] -> 
Count from 0 to N^M in base N.
Sum the elements in either diagonal of a square matrix
Expression or variable?
Recycled Numbers (CodeJam Qualification Round 2012)
Rank of magic square (for beginners)
How many monitors are connected ?
Can you beat the lottery again (for hardcore coder) ?
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