英语翻译
Givennpoints(xi,yi)(i=1,2...n)inaplane,whereallxiwillbedistinct.Afterconnectingthenpointswithstaightlinesinorderfromtheleftmostpointtotherightmostpoint,theareabelowthelinesiscalledcoverage.Now,it'syourjobtocalculatethemaximumcoveragearea,ifyi(i=1,2...n)canbeswappedarbitrarily.
Input
Thefirstlineoftheinputisanintegert(t
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