lstack.h

利用数据结构中的算法 在VC环境下编写十进制转八进制

// Lstack.h: interface for the Lstack class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_LSTACK_H__29856EE4_C38C_4655_8B02_F85A5332A302__INCLUDED_)
#define AFX_LSTACK_H__29856EE4_C38C_4655_8B02_F85A5332A302__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include"link.h"
class Lstack  
{
private:
		link* top;
		int size;
public:
	Lstack(int sz=100){top=NULL;size=0;};
	virtual ~Lstack(){clear();}
	void clear(){
		while(top!=NULL){
			link* temp=top;
			top=top->next;
			size=0;
			delete temp;
		}
	}
	bool push(const int& item){
		top=new link(item,top);
		size++;
		return true;
	}
	bool pop(int& it){
		if(size==0)return false;
		it=top->element;
		link* itemp=top->next;
		delete top;
		top=itemp;
		size--;
		return true;
	}
	bool topvalue(int &it)const{
		if(size==0)return false;
		it=top->element;
		return true;
	}
	int length()const{return size;}

};

#endif // !defined(AFX_LSTACK_H__29856EE4_C38C_4655_8B02_F85A5332A302__INCLUDED_)