#include 
     
      #include
      
       #include 
       
        using namespace std;using namespace boost;template
        
         class new_progress_timer :public timer{public:	new_progress_timer(ostream &os=cout):m_os(os){				BOOST_STATIC_ASSERT(N>=0&&NULL<=10);	}	~new_progress_timer(){		try{			istream::fmtflags old_flags=m_os.setf(istream::fixed,istream::floatfield);			streamsize old_prec=m_os.precision(N);			//输出时间			m_os<
         
          <<"s\n"<
          
            t; //cout<