Nice one-liner regexprep with skillful reading of the input string format. The processing and output string creation is an efficient marvel.
Make a checkerboard matrix
Back to basics 22 - Rotate a matrix
Get the elements of diagonal and antidiagonal for any m-by-n matrix
Matrix rotation as per given angle
GJam March 2016 IOW: Cody's Jams
Knots Contest: Minimum Knots (ContestSuite)
USC Fall 2012 ACM : Code Word Minimum Flipped Bits
Usage of java.math : Add, Multiply, Pow
Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed
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