Discussion @ 1010. Discrete Function @ Timus Online Judge

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Discussion of Problem 1010. Discrete Function

Need help solving this problem Stefan Ciobaca 18 Feb 2002 01:56

I just can't tell how to solve this problem better then O(n^2). I'm
thinking of a O(n) algo, but I just can't find anything. Can anyone
help pls?

This line must connect to successive points. (It is obvious why)