【HDU5563 BestCoder Round 62 (div1)A】【计算几何 凸包】Clarke and five-pointed star 正五边形判定 正五角星判定
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
usingnamespacestd;
voidfre(){freopen("c://test//input.in","r",stdin);freopen("c://t