coin.cpp

使用贪心技术

// Coin.cpp: implementation of the CCoin class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "SmallChage.h"
#include "Coin.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CCoin::CCoin()
{

}

CCoin::~CCoin()
{

}

CCoin::CCoin(int nFaceValue, int nAvailableNum)
{
	m_nFaceValue = nFaceValue;
	m_nAvailableNum = nAvailableNum;
	m_nRemainedNum = nAvailableNum;
}

int CCoin::GetFaceValue() const
{
	return m_nFaceValue;
}

VOID CCoin::SetFaceValue(int nFaceValue)
{
	m_nFaceValue = nFaceValue;
}

int CCoin::GetAvailableNum() const
{
	return m_nAvailableNum;
}

VOID CCoin::SetAvailableNum(int nAvailableNum)
{
	m_nAvailableNum = nAvailableNum;
}

int CCoin::GetRemainedNum() const
{
	return m_nRemainedNum;
}

VOID CCoin::SetRemainedNum(int nRemainedNum)
{
	m_nRemainedNum = nRemainedNum;
}

BOOL CCoin::UseCoins(int n /* = 1 */)
{
	BOOL bRet = FALSE;
	if (m_nRemainedNum >= n)
	{
		m_nRemainedNum -= n;
		bRet = true;
	}
	return bRet;
}

BOOL CCoin::IsUsed()
{
	return m_nAvailableNum != m_nRemainedNum;
}