Solutions to light problems like this enable scaling up ideas to heavy, complex algorithms.
What is the distance from point P(x,y) to the line Ax + By + C = 0?
How to subtract?
Set a diagonal
Create an n-by-n null matrix and fill with ones certain positions
Sum of series III
Find a subset that divides the vector into equal halves
Simulate one complete step in the Biham–Middleton–Levine traffic model
Make a function that returns its own character count
Would Homer Like It?
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