Do you mean "Coordinates in matrix are arranged in counter-clockwise direction"?
Yes. They are assumed to be in counter clockwise to match up with the test suites. Thanks. I have updated the definition.
Additional test cases have been added.
Back and Forth Rows
Min of a Matrix
Solving Quadratic Equations (Version 1)
Calculate area of sector
Find elements of set A those are not in set B
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