摘要:
1 #include<stdio.h> 2 #include<math.h> 3 #include<algorithm> 4 #include<iostream> 5 using namespace std; 6 struct Point { 7 double x, y; 8 Point(double x = 0, double y = 0) : x(x) , y(y) {} 9 }; 10 typedef Point Vector; 11 Vector operator + (Vector A, Vector B) { return Vecto 阅读全文