Times 2 - START HERE
What's Your BMI?
Given a 4x4 matrix, swap the two middle columns
Length of the hypotenuse
Area of an equilateral triangle
Back to basics 25 - Valid variable names
Back to basics 23 - Triangular matrix
Back to basics 16 - byte order
Back to basics 8 - Matrix Diagonals
Back to basics 22 - Rotate a matrix
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