Given a line defined by (x1,y1) & (x2,y2),return the number of squares that the line crosses on the grid (a square is 1x1).
Coming next: return the number of squares for any geometrical shape
Bug: The order of the arguments in the starting function definition is x1, x2, y1, y2, whereas the the order in the test cases is x1, y1, x2, y2.
Remove the polynomials that have positive real elements of their roots.
Indexed Probability Table
Symmetry of vector
Mysterious digits operation (easy)
length of string on cylinder
center of mass
How many rectangles in a grid ?
Recursive Standard Deviation
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