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Discussion of Problem 1185. Wall

similar to problem 1020 plus hint for #12
Posted by kasarino 29 Feb 2016 16:17
1) in Graham scan, sort points by polar angle, for equal polar angles - by distance from p0
2) second part of the problem is similar to problem 1020
Re: similar to problem 1020 plus hint for #12
Posted by c_pp 16 Jan 2017 12:11
https://github.com/kartikkukreja/blog-codes/blob/master/src/Graham%20Scan%20Convex%20Hull.cpp