數據結構：線性表的順序表示和實現

#include <iostream>
#include <stdlib.h>
using namespace std;
#define MAXSIZE 100
typedef int ElemType;
//定義數據結構
typedef struct
{
    ElemType *elem;
    int length;
} SqList;
int InitList_Sq(SqList &L)
{
    L.elem = new int[MAXSIZE];
    if(!L.elem)
        exit(-1);
    L.length = 0;
    return 1;
}
void DestroyList(SqList &L)
{
    if(L.elem)
        delete[] L.elem;
}

void ClearList(SqList &L)
{
    L.length = 0;
}

int GetLength(SqList &L)
{
    return L.length;
}

int IsEmpty(SqList L)
{
    if(L.length == 0)
        return 1;
    else
        return 0;

}

int GetElem(SqList L,int i,int *e)
{
    if(i < 1 || i > L.length)
        return -1;
    *e = L.elem[i-1];
    return 1;
}

int LocateElem(SqList L, int e)
{
    for(int i = 0; i < L.length; i++)
    {
        if(L.elem[i] == e)
            return i + 1;
    }
    return 0;
}
int InsertElem(SqList &L,int e,int n)
{
    if(n < 1 || n > L.length + 1)
        return -1;

    if(L.length == MAXSIZE)
        return -1;

    for(int i = L.length - 1; i >= n - 1; i--)
    {
        L.elem[i+1] = L.elem[i];
    }
    L.elem[n-1] = e;
    L.length++;
    return 1;
}
int DeleteElem(SqList &L,int i)
{
    if(i < 1 || i > L.length)
        return -1;
    for(int j = i - 1;j < L.length-1;j++){
        L.elem[j] = L.elem[j+1];
    }
    L.length--;
    return 1;
}

void Traversal(SqList L)
{
    for(int i = 0; i < L.length; i++)
    {
        cout << L.elem[i] << " ";
    }
    cout << endl;
}
int main()
{
    SqList L;
    //初始化表
    InitList_Sq(L);


    for(int i = 0; i < 5; i++)
    {
        InsertElem(L,i+1,i+1);
    }
    Traversal(L);

    DeleteElem(L,2);
    Traversal(L);

    int *e = new int;
    GetElem(L,2,e);
    cout << "第二個元素爲" <<*e << endl;

    int a = 0;
    a = LocateElem(L,4);
    cout << "元素4在位置" << a;


    return 0;
}