null1019

摘要： http://poj.org/problem?id=3227 1 #include 2 #include 3 #include 4 #include 5 #define maxn 2000 6 using namespace std; 7 8 int n,h; 9 const double eps=1e-8;10 int cmp(double x)11 {12 if(fabs(x)0) return 1;14 return -1;15 }16 struct point17 {18 double x,y;19 point() {}20 point... 阅读全文