simplecircle.cpp

常见算法

//#include simpleCircle.h
//the main program of add anddetect
//the head of simpleCircle.cpp
#include "iostream.h"
//using namespace std;
class simpleCircle
{
public:
	simpleCircle(int radiu);
	~simpleCircle(){};

	int getItsRadius() const {return itsRadius;}
	void setItsRadius(int radius) {itsRadius=radius;}
	
	int preAdd();
	int backAdd();
private:
	int itsRadius;
};

simpleCircle::simpleCircle(int radiu)
{
	itsRadius=radiu;
}

simpleCircle::preAdd()
{
	++itsRadius;
	return itsRadius;
}
simpleCircle::backAdd()
{
	itsRadius++;
    return itsRadius;
}






main()
{
	int radius=0;
	simpleCircle circle(radius);
	cout<<"the circle is:"<<circle.getItsRadius()<<"\n";
	cout<<"after add,the circle is:";
	cout<<circle.preAdd()<<"\n";
	cout<<"set the new number of the number:";
	cin>>radius;
	circle.setItsRadius(radius);
	cout<<"after backadd,the number now is:"<<circle.backAdd()<<"\n";
	return 0;

}