c++day6(2024/1/3)

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


#include <iostream>

using namespace std;

template<typename T1,typename T2>
class List{
public:
    T1 len;
    T2 arr[20];
    List(){}
//    List &operator=(const List &other)
//    {
//        len=other.len;
//        strcpy(arr,other.arr);
//        return *this;
//    }
};

template<typename T1,typename T2>
List<T1,T2> init(List<T1,T2> &list)
{
    list.len=0;
    memset(list.arr,0,sizeof(list.arr));
    return list;
};

//尾插
template<typename T1,typename T2>
List<T1,T2> insertRear(List<T1,T2> &list,T2 data)
{
    if(list.len>=20)
        throw new int(1);
    list.arr[list.len++]=data;
    return list;
};

//指定位置插入元素
template<typename T1,typename T2>
void inserLocation(List<T1,T2> &list,T1 index,T2 data)
{
    if(index<0 || index >list.len)
        throw new int(2);
    for (int i=list.len;i>index;i--) {
           list.arr[i]=list.arr[i-1];
    }
    list.len++;
    list.arr[index]=data;
}

//指定位置删除元素
template<typename T1,typename T2>
void deleteLocation(List<T1,T2> &list,T1 index)
{
    if(index<0 || index >=list.len || list.len<=0)
        throw new int(3);
    for (int i=index;i<list.len-1;i++) {
        list.arr[i]=list.arr[i+1];
    }
    list.len--;
}

//查找值的位置
template<typename T1,typename T2>
int searchLocation(List<T1,T2> &list,T2 element)
{
    for (int i=0;i<list.len;i++) {
        if(list.arr[i]==element)
        {
            return i;
            break;
        }
    }
    throw new int(4);
    return 0;
}

//按照值删除元素
template<typename T1,typename T2>
void deleteElement(List<T1,T2> &list,T2 element)
{
    int index=searchLocation<T1,T2>(list,element);
    deleteLocation<T1,T2>(list,index);
}

//打印顺序表
template<typename T1,typename T2>
void show(List<T1,T2> &list)
{
    cout << "列表数据为:" << endl;
    for (int i=0;i<list.len;i++) {
        cout << list.arr[i]  << "\t";
    }
    cout << "" << endl;
};

int main(){
    //初始化顺序表
    List<int,char> list;
    init(list);

    try {
        //尾插赋值列表
        cout << "请输入您要插入的元素，以字符'#'结束";
        int a;
        int count=1;
        char element;
        while(1)
        {
            cout << "请输入第" << count << "个字符" << endl;
            cin>>element;
            if(element == '#')
                break;

            count++;
            insertRear<int,char>(list,element);
        }
        show<int,char>(list);

        cout <<"-----------------------------"<<endl;

        //插入指定位置元素
        int index;
        cout << "请输入您要插入的元素位置" << endl;
        cin>>index;
        cout << "请输入您要插入字符值" << endl;
        cin >>element;
        inserLocation<int,char>(list,index-1,element);
        show<int,char>(list);

        cout <<"-----------------------------"<<endl;

        //删除指定位置元素
        cout << "请输入您要删除的元素位置" << endl;
        cin>>index;
        deleteLocation<int,char>(list,index-1);
        show<int,char>(list);

        cout <<"-----------------------------"<<endl;

        //查找指定值的位置
        cout<<"请输入您要查找的值" <<endl;
        cin >> element;
        index=searchLocation<int,char>(list,element);
        cout << "位置在第" << index+1 << "个" << endl;

        //按照值删除元素
        cout << "请输入您要删除的值" << endl;
        cin >>element;
        deleteElement<int,char>(list,element);
        show<int,char>(list);
    } catch (int i) {
        if(i==1){
            cout << "列表已满，无法插入" <<endl;
        }
        if(i==2){
            cout << "插入位置异常" <<endl;
        }
        if(i==3){
            cout << "删除位置异常" <<endl;
        }
        if(i==4){
            cout << "无法找到对应的值" <<endl;
        }
    }
}

}