数据结构常用算法合集

				//destructor.cpp
				#include 
				#include 
				const float PI = 3.14159;
				class  Area
				{ private:
				  int  radius;
				  float  area;
				public:
				    Area();							//无参构造函数
				    Area(int);						//1个参数的构造函数
				    Area(int,float);					//两个参数的构造函数
				    inline float list_area();				//inline的原型
				    ~Area()							//析构函数
				    { cout 				 };
				 Area::Area()						//构造函数定义
				 { radius=0;      							//清除数据
				   area=0;
				   cout 				 }
				 Area::Area(int _radius)
				 { radius = _radius;
				   area = PI * radius * radius;
				   cout 				 }
				 Area::Area(int _radius,float _area)
				 { radius = _radius;					//设置某一数据
				   area = _area;
				   cout 				 }
				 inline float Area::list_area()			//inline函数
				 { return  area;}
				 void main()
				 { Area circle;	 					//对象声明 circle
				   cout 				   cout 				   int _radius = 10;
				   Area circle_1(_radius);
				   cout 				   cout 				   float _area=PI*_radius*_radius;
				   Area circle_2(_radius,_area);			//对象声明 circle_2
				   cout 				   getch();
				 }