Clever cheat-prevention strategy!
Finding Perfect Squares
Implement a ROT13 cipher
Back to basics 10 - Max Float
Max index of 3D array
Get the elements of diagonal and antidiagonal for any m-by-n matrix
Angle between two vectors
Sophie Germain prime
Cody Computer Part 3 - Detect the graphic card used on Cody Computer
Set some matrix elements to zero
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