In a matrix, A = [1,2;3,4]
raise the power of each element like: 1^1+2^3+3^2+4^4 and add it all to produce the result 274
Make a checkerboard matrix
Roll the Dice!
Max of a Vector
Find the area of a rectangle if length of the diagonal is given.
Basics: counting digits of a number irrespective of the sign
Repetition of matrices
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