sy7-1.cpp

输入两点坐标

#include "iostream.h"
#include "math.h"

class Point
{

private:

	double x,y;

public:

	void print()
	{	cout<<"x坐标="<<x<<endl<<"y坐标="<<y<<endl;	}

	void set (double a,double b)
	{
		x=a;
		y=b;
	}

	void dest (Point p)
	{	cout<<"两点间距离:"<<sqrt((x-p.x)*(x-p.x)+(y-p.y)*(y-p.y))<<endl;	}
}; 

void main()
{
	Point p1,p2;
	p1.set(1,3);
	p2.set(2,2);
	p1.print();
	p2.print();
	p1.dest(p2);
}