#ifndef PAIRS_H#define PAIRS_H#include 
     
      #include 
      
       template 
       
        class Pair{    private:       T1 a;       T2 b;    public:       T1 & first();       T2 & second();       T1 first() const {
   return a;}       T2 second() const {
   return b;}       Pair(const T1 & aval,const T2 & bval) : a(aval),b(bval) {}       Pair() {}       void Set_Pair(const T1 & aval,const T2 & bval);       void Show(int ys);       int  Sum(void);};template 
        
         T1 & Pair
         
          ::first(){    return a;}template 
          
           T2 & Pair
           
            ::second(){ return b;}template 
            
             void Pair
             
              ::Set_Pair(const T1 & aval,const T2 & bval){ a=aval; b=bval;}template 
              
               void Pair
               
                ::Show(int ys){ int i=0; for (;i
                
                 int Pair
                 
                  ::Sum(void){ return b.sum();}#endif
                 
                
               
              
             
            
           
          
         
        
       
      
     

 

#ifndef WINE_H#define WINE_H#include 
     
      #include "pairs.h"#include 
      
        using namespace std;class wine{    typedef  valarray
       
         ArrayInt;    typedef  Pair
        
          PairArray;    private:       string  name;       PairArray year_bottles;       int years;    public:        wine(){}        wine(const char *l,int y,const int yr[],const int bot[]);        wine(const char *l,int y);        void GetBottles(void);        void Show(void);        int sum(void);        string Label(void){
   return name;}};#endif
        
       
      
     

 

 

#include"wine.h"#include"pairs.h"#include
     
      //#include 
      
       #include
       
        using namespace std;wine::wine(const char *l,int y,const int yr[],const int bot[]) {     name=*l;     years=y;     year_bottles.Set_Pair(ArrayInt(yr,y),ArrayInt(bot,y)); }wine::wine(const char *l,int y){    name=*l;    years=y;}    void wine::GetBottles(void){    int i=0;    ArrayInt year(years),bottle(years);    cout << "Enter "<< name <<"data for "<
        
         <<" year(s):" <
         
          >year[i];        //cout << endl;        cout << "Enter bottles for that year: ";        cin >>bottle[i];        //cout << endl;    }            year_bottles.Set_Pair(year,bottle);}void wine::Show(void){        cout << "wine: "<< name <
         
        
       
      
     

 

#include "wine.h"#include 
     
      using namespace std;int main(void){    cout << "Enter name of wine: ";    char lab[50];    cin.getline(lab,50);    cin.sync();    cout << "Enter number of years: ";    int yrs;    cin >> yrs;        wine holding(lab,yrs);    holding.GetBottles();    holding.Show();        const int YRS=3;    int y[YRS]={
   1993,1995,1998};    int b[YRS]={
   48,60,72};        wine more("Gushing Grape Red",YRS,y,b);    more.Show();    cout << "Total bottles for " <
      
       << ": " <
       
        <
       
      
     

wine类包含string和Pair两个类，前者用于存储酒名，后者有2个valarray<int>对象，分别用于存储酿造年份和该年的瓶数。