C++primerplus第十四章习题答案 .pdfVIP

C++primerplus第⼗四章习题答案 习题⼀： Wine.h #ifndef WINE_H_ #define WINE_H_ #includestring #includevalarray using namespace std; templatetypename T1,typename T2//声明⼀个Pair类 class Pair { private: T1 year; T2 bottles; public: Pair(const T1s,const T2m):year(s),bottles(m){} Pair(){} int Sum()const; void Set(const T1s1, const T2s2);//T1、T2具体化时为数组 void Show(int y)const; }; templatetypename T1, typename T2 int PairT1,T2::Sum()const { return bottles.sum(); } templatetypename T1, typename T2 void PairT1, T2::Set(const T1s1, const T2s2) { year = s1; bottles = s2; } templatetypename T1,typename T2 void PairT1, T2::Show(int y)const { for (int i = 0; i y; i++) cout year[i] \t bottles[i] endl; } typedef valarrayint Arrayint; typedef PairArrayint, ArrayintPairarray; class Wine { private: Pairarray yb; string fullname; int yer; public: Wine(); Wine(const int yr[], const int bot[], const char*l, int y); Wine(const char*l, int y); void Getbottles(); string Label(); int sum() const; void Show()const; }; #endif Wine.cpp #includeiostream #includewine.h Wine::Wine(const int yr[], const int bot[], const char*l, int y) { fullname = l; yer = y; yb.Set(Arrayint(yr, yer), Arrayint(bot, yer));///Arrayint(yr, yer)含有yer个元素的int型数组，每个都初始化为yr } Wine::Wine(const char*l, int y) { fullname = l; yer=y; } void Wine::Getbottles() { Arrayint yr(yer), bt(yer);//将yr、bt分别初始化为含有yer个元素的数组 for (int i = 0; i yer; i++) { cout enter the year: ; cin yr[i]; cout enter the bottles: ; cin bt[i]; } while (cin.get() != \n) continue; yb.Set(yr, bt); } string Wine::Label() { return fullname; }