AreaNum

int main(){AreaNum_t  m_num;int i;m_num.Init(100,20,3);for(i=0;i<30;i++){m_num.Add();printf("%d\n",m_num.Get());}for(i=0;i<30;i++){m_num.Minus();printf("%d\n",m_num.Get());}return 1;}

typedef class AreaNum{public:AreaNum(void);void Init(int max,int min,int step);void Add(void);void Add(int value);void Minus(void);void Minus(int value);int Get(void);void SetMax(int max);void SetMin(int min);void SetStep(int step);private:intm_value;int m_max;int m_min;int m_step;}AreaNum_t;

AreaNum::AreaNum(void){m_value=0;m_max=0;m_min=0;m_step=1;}void AreaNum::Init(int max,int min,int step){m_max=max;m_min=min;m_step=step;m_value=m_min;}void AreaNum::Add(void){m_value+=m_step;if(m_value>m_max){m_value=m_max;}}void AreaNum::Add(int value){m_value+=value;if(m_value>m_max){m_value=m_max;}}void AreaNum::Minus(void){m_value-=m_step;if(m_value<m_min){m_value=m_min;}}void AreaNum::Minus(int value){m_value-=value;if(m_value<m_min){m_value=m_min;}}int AreaNum::Get(void){return m_value;}void AreaNum::SetMax(int max){m_max=max;}void AreaNum::SetMin(int min){m_min=min;}void AreaNum::SetStep(int step){m_step=step;}