ex12-02.cpp

数据结构常用算法合集

//EX12-02.cpp
#include <iostream.h>	//cout,cin
#include <conio.h>		//getch()
#include <math.h>			//sqrt
class distance
{ private:
  float x1,y1,x2,y2;
  float dis;
  public:
  void get_point()
  { cout << "Enter x1,y1,x2,y2=";
    cin >> x1 >> y1 >> x2 >> y2;
    dis = sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
  }
  void list_data()
  { cout << "The distance is="<<dis;
  }
};

void main()
{ distance d;
  d.get_point();
  d.list_data();
  getch();
}