程序员的冷浪漫

UVa OJ 121 - Pipe Fitters (装管子) Time limit: 3.000 seconds 限时：3.000秒   Background 背景 Filters, or programs that pass "processed" data through in some changed form, are an important class of p

hdu 2857 Mirror and Light 两直线交点 #include #include #include #include #define eps 1e-8 using namespace std; double x[5],y[5],k1; void qiushuzhi() {     double k2;     k2=(y[4]-y[3])/(x[

求多边形面积，以此作为模板： #include #include using namespace std; struct point{ int x,y; point operator -(const point &b) { return (point){this->x - b.x,this->y - b.y}; } }p[102]; int crossmul(po

三维凸包模板 #include #include #include #include #include #include using namespace std; const int MAXN=505; const double EPS=1e-8; struct Point { double x,y,z; Point(){} Point(doub

题意：

poj 1113wall （凸包） #include #include #include #include #include #include #include #include #include #include #include using namespace std; #define LL long long #define M 1002 #define DEBU