C++ primer plus(第6版)中文版编程练习答案第13章.docx

1、/cdplayer.h#ifndef CDPLAYER_H_#define CDPLAYER_H_#include #include using namespace std;class Cdprivate:char performers50;char label20;int selections;double playtime;public:Cd(char *s1, char *s2, int n, double x);Cd(const Cd &d);Cd()virtual Cd();virtual void Report()const;Cd &operator=(const Cd &d);class Classic :public Cdprivate:char main_music50;public:Classic()Classic(char *m, char *s1, char *s2, int n, double x);Classic(char *m, const Cd &c);Classic();Classic &operator=(const Classic &c);virtual void Report()const;#endif/cdplayer.cpp#include cdplayer.hCd:Cd(char *s1, char *s2, int n, double x)strcpy_s(performers, strlen(s1) + 1, s1);strcpy_s(label, strlen(s2) + 1, s2);selections = n;playtime = x;Cd:Cd(const Cd &d)strcpy_s(performers, 50, d.performers);strcpy_s(label, 20, d.label);selections = d.selections;playtime = d.playtime;Cd:Cd()void Cd:Report()constcout Performers: performers endl;cout Label: label endl;cout Selections: selections endl;cout Playtime: playtime endl;Cd &Cd:operator=(const Cd &d)if (this = &d)return *this;strcpy_s(performers, 50, d.performers);strcpy_s(label, 20, d.label);selections = d.selections;playtime = d.playtime;return *this;Classic:Classic(char *m, char *s1, char *s2, int n, double x) :Cd(s1, s2, n, x)strcpy_s(main_music, strlen(m) + 1, m);Classic:Classic(char *m, const Cd &c) : Cd(c)strcpy_s(main_music, strlen(m) + 1, m);Classic:Classic()Classic &Classic:operator=(const Classic &c)if (this = &c)return *this;Cd:operator=(c);strcpy_s(main_music, 50, c.main_music);return *this;void Classic:Report()constCd:Report();cout Main Music: main_music endl;/main.cpp#include cdplayer.hvoid Bravo(const Cd &disk);int main()Cd c1(Beatles, Capito, 14, 35.5);Classic c2 = Classic(Piano Sonata in B flat, Fantasia in C,Alfred Brendel, Philips, 2, 57.17);Cd *pcd = &c1;cout Using object directly:n;c1.Report();c2.Report();cout Report();pcd = &c2;pcd-Report();cout Calling a function with a Cd reference argument:n;Bravo(c1);Bravo(c2);cout Testing assignment: ;Classic copy;copy = c2;copy.Report();system(pause);return 0;void Bravo(const Cd &disk)disk.Report();2、/cdplayer.h#ifndef CDPLAYER_H_#define CDPLAYER_H_#include #include using namespace std;class Cdprivate:char *performers;char *label;int selections;double playtime;public:Cd(char *s1, char *s2, int n, double x);Cd(const Cd &d);Cd()virtual Cd();virtual void Report()const;Cd &operator=(const Cd &d);class Classic :public Cdprivate:char *main_music;public:Classic()Classic(char *m, char *s1, char *s2, int n, double x);Classic(char *m, const Cd &c);Classic();Classic &operator=(const Classic &c);virtual void Report()const;#endif/cdplayer.cpp#include cdplayer.hCd:Cd(char *s1, char *s2, int n, double x)performers = new charstrlen(s1) + 1;label = new charstrlen(s2) + 1;strcpy_s(performers, strlen(s1) + 1, s1);strcpy_s(label, strlen(s2) + 1, s2);selections = n;playtime = x;Cd:Cd(const Cd &d)performers = new charstrlen(d.performers) + 1;label = new charstrlen(d.label) + 1;strcpy_s(performers, strlen(d.performers) + 1, d.performers);strcpy_s(label, strlen(d.label) + 1, d.label);selections = d.selections;playtime = d.playtime;Cd:Cd()deleteperformers;deletelabel;void Cd:Report()constcout Performers: performers endl;cout Label: label endl;cout Selections: selections endl;cout Playtime: playtime endl;Cd &Cd:operator=(const Cd &d)if (this = &d)return *this;deleteperformers;deletelabel;performers = new charstrlen(d.performers) + 1;label = new charstrlen(d.label) + 1;strcpy_s(performers, strlen(d.performers) + 1, d.performers);strcpy_s(label, strlen(d.label) + 1, d.label);selections = d.selections;playtime = d.playtime;return *this;Classic:Classic(char *m, char *s1, char *s2, int n, double x) :Cd(s1, s2, n, x)main_music = new charstrlen(m) + 1;strcpy_s(main_music, strlen(m) + 1, m);Classic:Classic(char *m, const Cd &c) : Cd(c)main_music = new charstrlen(m) + 1;strcpy_s(main_music, strlen(m) + 1, m);Classic:Classic()deletemain_music;Classic &Classic:operator=(const Classic &c)if (this = &c)return *this;Cd:operator=(c);deletemain_music;main_music = new charstrlen(c.main_music) + 1;strcpy_s(main_music, strlen(c.main_music) + 1, c.main_music);return *this;void Classic:Report()constCd:Report();cout Main Music: main_music endl;/main.cpp#include cdplayer.hvoid Bravo(const Cd &disk);int main()Cd c1(Beatles, Capito, 14, 35.5);Classic c2 = Classic(Piano Sonata in B flat, Fantasia in C,Alfred Brendel, Philips, 2, 57.17);Cd *pcd = &c1;cout Using object directly:n;c1.Report();c2.Report();cout Report();pcd = &c2;pcd-Report();cout Calling a function with a Cd reference argument:n;Bravo(c1);Bravo(c2);cout Testing assignment: ;Classic copy;copy = c2;copy.Report();system(pause);return 0;void Bravo(const Cd &disk)disk.Report();3、/dma.h#ifndef DMA_H_#define DMA_H_#include #include using namespace std;class ABCprivate:char *fullname;int level;public:ABC(const char *f = null, int l = 0);ABC(const ABC &ab);ABC &operator=(const ABC &ab);virtual ABC();virtual void View() = 0;class baseDMA :public ABCprivate:char *label;int rating;public:baseDMA(const char *l = null, int r = 0, const char *f = null, int lv = 0);baseDMA(const baseDMA &rs);baseDMA();baseDMA &operator=(const baseDMA &rs);virtual void View();class lacksDMA :public ABCprivate:enum COL_LEN = 40 ;char colorCOL_LEN;public:lacksDMA(const char *c = blank, const char *f = null, int lv = 0);lacksDMA(const char *c, const baseDMA &rs);virtual void View();class hasDMA :public ABCprivate:char *style;public:hasDMA(const char *s = none, const char *f = null, int lv = 0);hasDMA(const char *s, const ABC &rs);hasDMA(const hasDMA &hs);hasDMA();hasDMA &operator=(const hasDMA &hs);virtual void View();#endif/dma.cpp#include dma.hABC:ABC(const char *f, int lv)fullname = new charstrlen(f) + 1;strcpy_s(fullname, strlen(f) + 1, f);level = lv;ABC:ABC(const ABC &ab)fullname = new charstrlen(ab.fullname) + 1;strcpy_s(fullname, strlen(ab.fullname) + 1, ab.fullname);level = ab.level;ABC:ABC()deletefullname;ABC &ABC:operator=(const ABC &ab)if (this = &ab)return *this;deletefullname;fullname = new charstrlen(ab.fullname) + 1;strcpy_s(fullname, strlen(ab.fullname) + 1, ab.fullname);level = ab.level;return *this;void ABC:View()cout Fullname: fullname endl;cout Level: level endl;baseDMA:baseDMA(const char *l, int r, const char *f, int lv) :ABC(f, lv)label = new charstrlen(l) + 1;strcpy_s(label, strlen(l) + 1, l);rating = r;baseDMA:baseDMA(const baseDMA &rs) :ABC(rs)label = new charstrlen(rs.label) + 1;strcpy_s(label, strlen(rs.label) + 1, rs.label);rating = rs.rating;baseDMA:baseDMA()deletelabel;baseDMA &baseDMA:operator=(const baseDMA &rs)if (this = &rs)return *this;ABC:operator=(rs);deletelabel;label = new charstrlen(rs.label) + 1;strcpy_s(label, strlen(rs.label) + 1, rs.label);rating = rs.rating;return *this;void baseDMA:View()ABC:View();cout Label: label endl;cout Rating: rating endl;lacksDMA:lacksDMA(const char *c, const char *f, int lv) :ABC(f, lv)strncpy_s(color, c, 39);color39 = 0;lacksDMA:lacksDMA(const char *c, const baseDMA &rs) : ABC(rs)strncpy_s(color, c, COL_LEN - 1);colorCOL_LEN - 1 = 0;void lacksDMA:View()ABC:View();cout Color: color endl;hasDMA:hasDMA(const char *s, const char *f, int lv) :ABC(f, lv)style = new charstrlen(s) + 1;strcpy_s(style, strlen(s) + 1, s);hasDMA:hasDMA(const char *s, const ABC &ab) :ABC(ab)style = new charstrlen(s) + 1;strcpy_s(style, strlen(s) + 1, s);hasDMA:hasDMA(const hasDMA &hs) : ABC(hs)style = new charstrlen(hs.style) + 1;strcpy_s(style, strlen(hs.style) + 1, hs.style);hasDMA:hasDMA()deletestyle;hasDMA &hasDMA:operator=(const hasDMA &hs)if (this = &hs)return *this;ABC:operator=(hs);deletestyle;style = new charstrlen(hs.style) + 1;strcpy_s(style, strlen(hs.style) + 1, hs.style);return *this;void hasDMA:View()ABC:View();cout Style: style endl;/usedma.cpp#include dma.hint main()baseDMA shirt(Portabelly, 8, Jack, 1);lacksDMA balloon(red, Blimpo, 4);hasDMA map(Mercator, buffalo Keys, 5);cout Displaying baseDMA object:n;shirt.View();cout Displaying lacksDMA object:n;balloon.View();cout Displaying hasDMA object:n;map.View();lacksDMA balloon2(balloon);cout Result of lacksDMA copy:n;balloon2.View();hasDMA map2;map2 = map;cout Result of hasDMA assignment:n;map2.View();system(pause);return 0;4、/port.h#ifndef PORT_H_#define PORT_H_#include #include using namespace std;class Portprivate:char *brand;char style20;int bottles;public:Port(const char *br = none, const char *st = none, int b = 0);Port(const Port &p);virtual Port() deletebrand; Port &operator=(const Port &p);Port &operator+=(int b);Port &operator-=(int b);int BottleCount()const return bottles; virtual void Show()const;friend ostream &operator(ostream &os, const Port &p);class VintagePort :public Portprivate:char *nickname;int year;public:VintagePort();VintagePort(const char *br, const char *st, int b, const char *nn, int y);VintagePort(const VintagePort &vp);VintagePort() deletenickname; VintagePort &operator=(const VintagePort &vp);void Show()const;friend ostream &operator(ostream &os, const VintagePort &vp);#endif/port.cpp#include port.hPort:Port(const char *br, const char *st, int b)brand = new charstrlen(br) + 1;strcpy_s(brand, strlen(br) + 1, br);strcpy_s(style, strlen(st) + 1, st);bottles = b;Port:Port(const Port &p)brand = new charstrlen(p.brand) + 1;strcpy_s(brand, strlen(p.brand) + 1, p.brand);strcpy_s(style, strlen(p.style) + 1, p.style);bottles = p.bottles;Port &Port:operator=(const Port &p)if (this = &p)return *this;deletebrand;brand = new charstrlen(p.brand) + 1;strcpy_s(brand, strlen(p.brand) + 1, p.brand);strcpy_s(style, strlen(p.style) + 1, p.style);bottles = p.bottles;return *this;Port &Port:operator+=(int b)bottles += b;return *this;Port &Port:operator-=(int b)bottles -= b;return *this;void Port:Show()constcout Brand: brand endl;cout Kind: style endl;cout Bottles: bottles endl;ostream &operator(ostream &os, const Port &p)os p.brand , p.style , p.bottles;return os;VintagePort:VintagePort()nickname = new char1;nickname0 = 0;year = 0;VintagePort:VintagePort(const char *br, const char *st, int b, const char *nn, int y) :Port(br, st, b)nickname = new charstrlen(nn) + 1;strcpy_s(nickname, strlen(nn) + 1, nn);year = y;VintagePort:VintagePort(const VintagePort &vp) :Port(vp)nickname = new charstrlen(vp.nickname) + 1;strcpy_s(nickname, strlen(vp.nickname) + 1, vp.nickname);year = vp.year;VintagePort &Vintage