顺序表的封装 (C++泛性编程(模板))

这篇博客展示了如何使用C++的泛型编程(模板)实现顺序表的封装,包括初始化、插入、删除、查找、排序等操作。示例代码详细解释了各个功能的实现方法,如push_back、push_front、show_list、sort等。

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用C++ 实现顺序表的封装:             (使用模板)

               判表空, 判表满,获取 顺序表已占用长度, 显示表内信息;

               头插, 尾插,  头删, 尾删;

               特定位置插入数据, 特定数据处插入数据;          

               特定位置删除数据, 特定数据处删除数据;            

               查找特定位置数据, 查找特定数据所在位置;

               表内数据排序;

               去掉表内重复数据, 删除表内所有数据, 删除顺序表;

                清屏;

                

#ifndef _MYSEQLIST_H

#define _MYSEQLIST_H

#include <cstdlib>
#include <iostream>
using namespace std;

template<typename Type>                                                  //定义模板类
class SeqList
{
public:
    SeqList(int sz = DEFAULT_SIZE);
    ~SeqList();

    bool is_empty()const;
    bool is_full()const;
    int  len_list()const;
    void show_list()const;

    bool push_back(const Type &x);
    bool push_front(const Type &x);
    bool pop_back();
    bool pop_front();

    bool insert_pos(int idex, Type &x);
    bool insert_value(Type &value, Type &x);
    bool delete_pos(int idex);
    bool delete_value(Type &value);
    Type &find_pos(int idex)const;
    int  find_value(Type &x)const;

    void sort();

    void resever();
    void clear();
    void remove_all();
    void destory();

private:
    enum{DEFAULT_SIZE = 8};
    int capacity;                               //初始申请顺序表长度
    int size;                                      //表内实际存放数据长度
    Type *base;                               //存放数据的数组
};


template<typename Type>
SeqList<Type>::SeqList(int sz)                                     //构造函数
{
    capacity = sz > DEFAULT_SIZE ? sz : DEFAULT_SIZE;
    base = new Type[capacity];
    size = 0;
}

template<typename Type>
SeqList<Type>::~SeqList()                                                     //析构函数
{
     delete []base;
     base = NULL;
     capacity = size = 0;
}

template<typename Type>                   
bool SeqList<Type>::is_empty()const                                     //判顺序表是否为空
{
     return size == 0;
}

template<typename Type>
bool SeqList<Type>::is_full()cons                                            //判顺序表是否已满                                              t
{
     return size >= capacity;
}
template<typename Type>
int SeqList<Type>::len_list()const                                           //获取表的长度
{
    return size;
}

template<typename Type>
void SeqList<Type>::show_list()const                                     //显示表内数据
{
    int i = 0;
    for (i = 0; i < size; ++i) {
        cout<<base[i]<<" ";
    }
    cout<<endl;
}

template<typename Type>
bool SeqList<Type>::push_back(const Type &x)                                          //尾插
{
    if (!is_full()) {
         base[size++] = x;
         return true;
    }
    return false;
}

template<typename Type>
bool SeqList<Type>::push_front(const Type &x)                                            //头插
{
    int i = 0;

    if (!is_full()) {
        for(i = size - 1; i >= 0; --i) {
            base[i + 1] = base[i];
        }
        base[0] = x;
        size++;
        return true;
    }

    return false;
}

template<typename Type>
bool SeqList<Type>::pop_back()                                                       //尾删
{
    if (!is_empty()) {
        size--;
        return true;
    }

    return false;
}

template<typename Type>
bool SeqList<Type>::pop_front()                                                        //头删
{
    int i = 0;

    if (!is_empty()) {
        for (i = 1; i< size; ++i) {
            base[i - 1] = base[i];
        }
        size--;
        return true;
    }

    return false;
}


template<typename Type>
bool SeqList<Type>::insert_pos(int idex, Type &x)                                     //特定位置插入数据
{
    int i = 0;

    if (is_full() || idex < 1 || idex > size + 1) {
        return false;
    }

    for (i = idex - 1; i < size; ++i) {
        base[i + 1] = base[i];
    }
    base[idex - 1] = x;
    size++;

    return true;
}

template <typename Type>
bool SeqList<Type>::insert_value(Type &value, Type &x)                               //特定数据处插入数据
{
    int idex = 0;
    int i = 0;

    if (is_full()) {
         return false;
    }

    for (i = 0; i < size; ++i) {
        if (base[i] =  value) {
            idex = i;
            break;
        }
    }

    for (i = idex; i < size; ++i) {
         base[i + 1] = base[i];
    }
    base[idex] = x;
    size++;

    return true;
}
template <typename Type>
bool SeqList<Type>::delete_pos(int idex)                                                          //特定位置删除数据
{
    int i = 0;

    if (is_empty() || idex < 1 || idex > size) {
        return false;
    }

    for (i = idex; i < size; ++i) {
        base[i - 1] = base[i];
    }
    size--;

    return true;
}

template <typename Type>
bool SeqList<Type>::delete_value(Type &value)                                             //特定数据处删除数据
{
    int idex = 0;
    int i = 0;

    if (is_empty()) {
         return false;
    }

    for (i = 0; i < size; ++i)
    {
        if (base[i] = value) {
            idex = i;
            break;
        }
    }

    for (i = idex; i < size - 1; ++i) {
        base[i] = base[i + 1];
    }
    size--;

    return true;
}

template <typename Type>
Type &SeqList<Type>::find_pos(int idex)const                                           //查找特定位置数据
{
    if (is_empty() || idex < 1 || idex > size) {
        cout<< "Can not find the value!"<<endl;
        return base[-1];
    }

    return base[idex - 1];
}

template <typename Type>
int SeqList<Type>::find_value(Type &x)const                                            //查找特定数据所在位置
{
     int i = 0;

     if(!is_empty()) {
         for (i = 0; i < size; ++i) {
             if (base[i] == x) {
                 return i + 1;
             }
         }
     }

    cout<< "Can not find the value!"<<endl;
    return -1;
}


template <typename Type>
void SeqList<Type>::sort()                                                                       //表内数据排序
{
    int i = 0;
    int j = 0;
    Type temp = 0;
    for (i = 1; i < size; ++i) {
        j = i - 1;
        temp = base[i];
        while (temp  < base[j]) {
            base[j + 1] = base[j];
            j--;
        }
        base[j + 1] = temp;
    }
}

template <typename Type>
void SeqList<Type>::resever()                                                         //去掉表内重复数据
{
    int i = 0;
    int j = 0;
    Type temp;

    for (i = 0; i < size - 1; ++i) {
        temp = base[i];
        for (j = i + 1; j < size; ++j) {
            if (base[j] == temp) {
                delete_pos(j + 1);
            }
        }
    }
}


template <typename Type>
void SeqList<Type>::clear()                                                                  //清屏
{
    system("clear");
}

template <typename Type>
void SeqList<Type>::remove_all()                                                         //删除表内所有数据
{
    while (size) {
         size--;
    }
}

template <typename Type>
void SeqList<Type>::destory()                                                               //删除整个顺序表
{
    remove_all();
    delete []base;

}


#endif



------------------------------------------------------------------------------------------------------------

                                                 //顺序表测试程序


#include <cstdlib>
#include "myseqlist.h"

int main(int argc, const char  *argv[])
{
    int sz = 0;
    int select = 0;
    int item = 0;
    int idex = 0;
    int value = 0;
    int value1 = 0;

    cout<<"请输入初始化所需顺序表的长度:";
    cin>>sz;
    SeqList<int> mylist(sz);

    while(1)
    {
        cout<<"*****************************************************"<<endl;
        cout<<"* [1] push_back(-1结束)    [2] push_fornt(-1结束)   *"<<endl;
        cout<<"* [3] show_list            [0] quit system          *"<<endl;
        cout<<"* [4] pop_back             [5] pop_fornt            *"<<endl;
        cout<<"* [6] insert_pos           [7] insert_value         *"<<endl;
        cout<<"* [8] delete_pos           [9] delete_value         *"<<endl;
        cout<<"* [10] find_pos            [11] find_value          *"<<endl;
        cout<<"* [12] sort                [13] resever              *"<<endl;
        cout<<"* [14] clear               [15] length              *"<<endl;
        cout<<"* [16] remove_all          [17] destroy             *"<<endl;
        cout<<"*****************************************************"<<endl;
        cout<<"请选择: ";
        cin>>select;

        switch(select)
        {
            case 0:
                cout<<"Bye Bye!"<<endl;
                exit(-1);

            case 1:
                cout<<"请输入要插入的数据(以-1结束): "<<endl;
                while(cin>>item, item != -1)
                {
                    mylist.push_back(item);
                }
                break;

             case 2:
                cout<<"请输入要插入的数据(以-1结束):"<<endl;
                while(cin>>item, item != -1)
                {
                    mylist.push_front(item);
                }
                 break;

             case 3:
                 mylist.show_list();
                 break;

             case 4:
                mylist.pop_back();
                break;

             case 5:
                mylist.pop_front();
                break;

             case 6:
                cout<<"请依次输入要插入的位置和数据:"<<endl;
                cin>>idex>>value;
                mylist.insert_pos(idex, value);
                break;

             case 7:
                cout<<"请依次输入要插入位置的数据和要插入的数据:"<<endl;
                cin>>value>>value1;
                mylist.insert_value(value, value1);
                break;

             case 8:
                cout<<"请输入要删除的位置:"<<endl;
                cin>>idex;
                mylist.delete_pos(idex);
                break;

             case 9:
                cout<<"请输入要删除位置的数据:"<<endl;
                cin>>value;
                mylist.delete_value(value);
                break;
             case 10:
                cout<<"请输入要查找的位置:"<<endl;
                cin>>idex;
                cout<< mylist.find_pos(idex)<<endl;
                break;

             case 11:
                cout<<"请输入要查找的数据:"<<endl;
                cin>>value;
                cout<< mylist.find_value(value)<<endl;
                break;

             case 12:
                mylist.sort();
                break;

             case 13:
                mylist.resever();
                break;

             case 14:
                mylist.clear();
                break;

             case 15:
                cout<<mylist.len_list()<<endl;
                break;

             case 16:
                mylist.remove_all();
                break;

             case 17:
                mylist.destory();
                break;

             default:
                cout<<"请重新输入:"<<endl;
            }
    }

    return 0;
}


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