第十四章 程式設計練習(1)
阿新 • • 發佈：2019-02-19
程式設計練習1
//winec.h
#ifndef WINEC_H_
#define WINEC_H_
#include <iostream>
#include <string>
#include <valarray>
#include <utility>
using namespace std;
typedef valarray<int> ArrayInt;
typedef pair<ArrayInt, ArrayInt> PairArray;
class Wine
{
private:
string name;
PairArray info;
public //winec.cpp
#include "winec.h"
Wine::Wine(const string str, int y, const #include <iostream>
#include "winec.h"
//main.cpp
int main()
{
cout << "Enter name of wine: ";
char lab[50];
cin.getline(lab, 50);
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 " << more.Label() << ": " << more.sum() << endl;
cout << "Bye\n";
system("pause");
return 0;
}程式設計練習2
//winec.h
#ifndef WINEC_H_
#define WINEC_H_
#include <iostream>
#include <string>
#include <valarray>
#include <utility>
using namespace std;
typedef valarray<int> ArrayInt;
typedef pair<ArrayInt, ArrayInt> PairArray;
class Wine : private string, private PairArray
{
public:
Wine() {}
Wine(const char *l, int y, const int yr[], const int bot[]);
Wine(const char *l, int y);
void GetBottles();
const string &Label() const;
int sum() const;
void show() const;
};
#endif//winec.cpp
#include "winec.h"
Wine::Wine(const char *l, int y, const int yr[], const int bot[]):string(l),PairArray(ArrayInt(yr,y),ArrayInt(bot,y))
{
}
Wine::Wine(const char *l, int y):string(l),PairArray(ArrayInt(y),ArrayInt(y))
{
}
void Wine::GetBottles()
{
ArrayInt a(PairArray::first.size());
ArrayInt b(PairArray::first.size());
cout << "Enter " << (const string &)*this << " for " << PairArray::first.size() << " year(s):" << std::endl;
for (int i = 0; i < (int)PairArray::first.size(); ++i)
{
cout << "Enter year: ";
cin >> a[i];
cout << "Enter bottles for that year: ";
cin >> b[i];
}
(PairArray &) *this = make_pair(a, b);
}
const string & Wine::Label() const
{
return (const string &)*this;
}
int Wine::sum() const
{
int num = 0;
for (int i = 0; i < (int)PairArray::first.size(); ++i)
num += PairArray::second[i];
return num;
}
void Wine::show() const
{
cout << "Wine: " << (const string &)*this << endl;
cout << "\t\t" << "Year" << "\t" << "Bottles" << endl;
for (int i = 0; i < (int)PairArray::first.size(); ++i)
cout << "\t\t" << PairArray::first[i] << "\t" << PairArray::second[i] << endl;
}main和上面一樣啦，這就不重複了
程式設計練習3
//queuetp.h
#ifndef QUEUETP_H_
#define QUEUETP_H_
template <class T>
class QueueTp
{
private:
enum {LEN = 10};
T *data;
int top;
public:
QueueTp() { top = 0; data = new T[LEN]; }
QueueTp(int len) { top = 0; data = new T[2 * len]; }
~QueueTp() { delete[] data; }
bool Push(T item);
bool Pop();
T & front() const;
T & rear() const;
bool isFull() const { return top == LEN; }
bool isEmpty() const { return top == 0; }
};
template <class T>
bool QueueTp<T>::Push(T item)
{
if (isFull())
return false;
for (int i = top; i > 0; --i)
data[i] = data[i-1];
data[0] = item;
++top;
return true;
}
template <class T>
bool QueueTp<T>::Pop()
{
if (isEmpty())
return false;
--top;
return true;
}
template <class T>
T & QueueTp<T>::front() const
{
return data[top-1];
}
template <class T>
T & QueueTp<T>::rear() const
{
return data[0];
}
#endif
//Workers.h
#ifndef WORKERS_H_
#define WORKERS_H_
#include <string>
class Worker
{
private:
std::string fullname;
long id;
protected:
virtual void Data() const;
virtual void Get();
public:
Worker() : fullname("no one"), id(0L) {}
Worker(const std::string &s, long n) :fullname(s), id(n) {}
virtual ~Worker() = 0;
virtual void Set() = 0;
virtual void Show() const = 0;
};
class Waiter : virtual public Worker
{
private:
int panache;
protected:
void Data() const;
void Get();
public:
Waiter() : Worker(), panache(0) {}
Waiter(const std::string &s, long n, int p = 0) : Worker(s, n), panache(p) {}
Waiter(const Worker &wk, int p = 0) : Worker(wk), panache(p) {}
void Set();
void Show() const;
};
class Singer : virtual public Worker
{
protected:
enum { other, alto, contralto, soprano, bass, baritone, tenor };
enum { Vtypes = 7 };
void Data() const;
void Get();
private:
static char *pv[Vtypes];
int voice;
public:
Singer() : Worker(), voice(other) {}
Singer(const std::string &s, long n, int v = other) : Worker(s, n), voice(v) {}
Singer(const Worker &wk, int v = other) : Worker(wk), voice(v) {}
void Set();
void Show() const;
};
class SingingWaiter : public Singer, public Waiter
{
protected:
void Data() const;
void Get();
public:
SingingWaiter() {}
SingingWaiter(const std::string &s, long n, int p = 0, int v = other) : Worker(s, n), Waiter(s, n, p), Singer(s, n, v) {}
SingingWaiter(const Worker &wk, int p = 0, int v = other) : Worker(wk), Waiter(wk, p), Singer(wk, v) {}
SingingWaiter(const Waiter &wt, int v = other) : Worker(wt), Waiter(wt), Singer(wt, v) {}
SingingWaiter(const Singer &wt, int p = 0) : Worker(wt), Waiter(wt, p), Singer(wt) {}
void Set();
void Show() const;
};
#endif//Workers.cpp
#include "Workers.h"
#include <iostream>
using std::cout;
using std::cin;
using std::endl;
Worker::~Worker() {}
void Worker::Data() const
{
cout << "Name: " << fullname << endl;
cout << "Emplyee ID: " << id << endl;
}
void Worker::Get()
{
getline(cin, fullname);
cout << "Enter worker's ID: ";
cin >> id;
while (cin.get() != '\n')
continue;
}
void Waiter::Set()
{
cout << "Enter waiter's name: ";
Worker::Get();
Get();
}
void Waiter::Show() const
{
cout << "Category: waiter\n";
Worker::Data();
Data();
}
void Waiter::Data() const
{
cout << "Panache rating: " << panache << endl;
}
void Waiter::Get()
{
cout << "Enter waiter's panache rating: ";
cin >> panache;
while (cin.get() != '\n')
continue;
}
char *Singer::pv[Singer::Vtypes] = { "other", "alto", "contralto", "soprano", "bass", "baritone", "tenor" };
void Singer::Set()
{
cout << "Enter singer's name: ";
Worker::Get();
Get();
}
void Singer::Show() const
{
cout << "Category: singer\n";
Worker::Data();
Data();
}
void Singer::Data() const
{
cout << "Vocal range: " << pv[voice] << endl;
}
void Singer::Get()
{
cout << "Enter number for singer's vocal range:\n";
int i;
for (i = 0; i < Vtypes; ++i)
{
cout << i << ": " << pv[i] << " ";
if (i % 4 == 3)
cout << endl;
}
if (i % 4 != 0)
cout << '\n';
cin >> voice;
while (cin.get() != '\n')
continue;
}
void SingingWaiter :: Data() const
{
Singer::Data();
Waiter::Data();
}
void SingingWaiter::Get()
{
Waiter::Get();
Singer::Get();
}
void SingingWaiter::Set()
{
cout << "Enter singing waiter's name: ";
Worker::Get();
Get();
}
void SingingWaiter::Show() const
{
cout << "Category: singing waiter\n";
Worker::Data();
Data();
}//main.cpp
#include <iostream>
#include <cstring>
#include "Workers.h"
#include "QueueTp.h"
const int SIZE = 5;
int main()
{
using std::cin;
using std::cout;
using std::endl;
using std::strchr;
QueueTp<Worker *> lolas(SIZE);
int ct;
for (ct = 0; ct < SIZE; ++ct)
{
char choice;
cout << "Enter the employee category: \n"
<< "w: waiter s: singer "
<< "t: singing waiter q: quiter\n";
cin >> choice;
while (strchr("wstq", choice) == NULL)
{
cout << "Please enter a w, s, t, or q: ";
cin >> choice;
}
if (choice == 'q')
break;
switch (choice)
{
case 'w': lolas.Push(new Waiter);
break;
case 's': lolas.Push(new Singer);
break;
case 't': lolas.Push(new SingingWaiter);
break;
}
cin.get();
lolas.rear()->Set();
}
cout << "\nHere is your staff:\n";
int i;
for (i = 0; i < ct; ++i)
{
cout << endl;
lolas.front()->Show();
lolas.Push(lolas.front());
lolas.Pop();
}
for (i = 0; i < ct; ++i)
{
delete lolas.front();
lolas.Pop();
}
cout << "Bye";
return 0;
}