POJ 1584 A Round Peg in a Ground Hole (凸包的判断+点在凸包+圆在凸包内)
大意:给定多边形的点和圆的半径长,和原点。进行凸包的判断+点在凸包+圆在凸包内的判断。#include
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#include
#include
#defineinf999999999.9
#defineeps1e-8
#definelsl,mid,rteps?1:((x)2){
scanf("%