watch.h

此文件可以能帮你求体积

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

#if !defined(AFX_WATCH_H__688030F1_A67C_47B9_ACE8_0BDDD9FB5FA1__INCLUDED_)
#define AFX_WATCH_H__688030F1_A67C_47B9_ACE8_0BDDD9FB5FA1__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include <time.h>

class Watch  
{
public:
	Watch();
	Watch( clock_t );
	virtual ~Watch();

	void Start();
	void Stop();

	void Show();
private:
	double begin;
	double end;
};

#endif // !defined(AFX_WATCH_H__688030F1_A67C_47B9_ACE8_0BDDD9FB5FA1__INCLUDED_)