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.
Distance walked 1D
Back to basics 25 - Valid variable names
The sum of individual numbers...
Number of divisors of a given number
rectangle in circle
length of string on cylinder
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