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| #include "stdafx.h"
#include <iostream>
using namespace std;
class Doll {
public:
char name[20];
int amount;
int number;
Doll()
{
strcpy_s(name, "");
amount = 0;
number = 0;
}
Doll(const char* pname, int pamount, int pnumber)
{
strcpy_s(name, pname);
amount = pamount;
number = pnumber;
}
friend istream& operator>> (istream &in, Doll &doll);
friend ostream& operator<< (ostream &out, const Doll &doll);
};
istream& operator >> (istream &in, Doll &doll) {
in >> doll.name;
in >> doll.amount;
in >> doll.number;
return in;
}
ostream& operator<< (ostream &out, const Doll &doll) {
out << "doll " << doll.name << ", " << doll.amount << ", " << doll.number;
return out;
}
template< typename T >
class List {
private:
struct Node;
public:
class Iterator {
Node* m_node;
public:
class endOfList {
};
Iterator(Node* node) : m_node(node) { }
bool operator==(const Iterator& other) const {
if (this == &other) {
return true;
}
return m_node == other.m_node;
}
bool operator!=(const Iterator& other) const {
return !operator==(other);
}
T operator*() const {
if (m_node) {
return m_node->m_t;
}
}
void operator++() {
if (m_node)
m_node = m_node->m_next;
}
Node &operator[](size_t i)
{
Node *e = m_node;
while (i && e->next)
{
i--;
e = e->next;
}
return e;
}
};
public:
List();
~List();
void add(const T& t);
void deleteHead();
Iterator begin() const;
Iterator end() const;
size_t size() const;
void ShellSort(List<Doll> list, int n)
{
int i, j, step;
int tmp;
for (step = n / 2; step > 0; step /= 2)
for (i = step; i < n; i++)
{
tmp = list[i];
for (j = i; j >= step; j -= step)
{
if (tmp < list[j - step])
list[j] = list[j - step];
else
break;
}
list[j] = tmp;
}
}
private:
struct Node {
Node() : m_next(NULL) { }
Node(const T& t) : m_t(t), m_next(NULL) { }
T m_t;
Node* m_next;
};
Node* m_head;
};
template< typename T >
List< T >::List() : m_head(NULL) {
}
template< typename T >
void List< T >::add(const T &t) {
if (Node* node = new Node(t)) {
node->m_next = m_head;
m_head = node;
}
}
template< typename T >
void List< T >::deleteHead() {
if (m_head) {
Node* newHead = m_head->m_next;
delete m_head;
m_head = newHead;
}
else
throw emptyList();
}
template< typename T >
List< T >::~List() {
while (m_head) {
deleteHead();
}
}
template< typename T >
typename List< T >::Iterator List< T >::begin() const {
return Iterator(m_head);
}
template< typename T >
typename List< T >::Iterator List< T >::end() const {
return Iterator(NULL);
}
template< typename T >
size_t List< T >::size() const {
size_t s = 0;
for (Iterator it = begin(); it != end(); ++it) {
++s;
}
return s;
}
int main()
{
List<Doll> listdolls;
listdolls.add(Doll("h", 4, 5));
listdolls.add(Doll("d", 1, 8));
listdolls.add(Doll("b", 2, 6));
listdolls.add(Doll("a", 0, 7));
listdolls.ShellSort(listdolls, listdolls.size());
auto it = listdolls.begin();
for (it = listdolls.begin(); it != listdolls.end(); ++it) {
cout << *it << " ";
}
system("pause");
return 0;
} |
(
