hdu2202 凸包+旋转卡壳
摘要:1 #include 2 #include 3 typedef struct dian 4 { 5 int x,y; 6 }; 7 dian p[50005],ch[50005]; 8 double area(int i,int j,int k) 9 {10 double a,b,...
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posted @ 2014-07-16 16:39
posted @ 2014-07-16 16:39
posted @ 2014-07-16 16:28
posted @ 2014-07-16 16:18