Discussion @ 1874. Football Goal @ Timus Online Judge

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Discussion of Problem 1874. Football Goal

Islam Need a help [1] // Problem 1874. Football Goal 26 Oct 2011 12:03

Please, can anybody tell how to solve this problem, which algorithm is used, how could the answer of sample test be 4.828427125?

megabyte Re: Need a help // Problem 1874. Football Goal 30 Oct 2011 17:12

maybe a maximum of (2xy+x*sqrt(a*a-x*x)+y*sqrt(b*b-y*y))/2 should do