c语言数据结构线性表之顺序表功能函数

/**数据结构—–线性表——顺序表—**************/

#include "stdio.h"
#include "stdlib.h"
#define ERROR 0
#define FALSE 0
#define OK 1
#define TRUE 1
#define MAXSIZE 20
typedef int Elemtype;
typedef int Status;

/创建一个顺序表**/

typedef struct {

    Elemtype data[MAXSIZE];
    int length;

}Sqlist;

/初始化操作，建立一个新的线性表*/

Status ListInit(Sqlist *sqlist)
{
    int i;
    //i = sqlist ->length;
    for(i=0;ilength;i++)
    {
       sqlist->data[i]=0;
    }

    sqlist->length = 0;
    return OK ;
}

/若线性表为空，返回TRUE,否则返回FALSE***/

Status ListEmpty(Sqlist sqlist)
{
    if(sqlist.length == 0)
        return TRUE ;
    else 
        return ERROR;

}

/将线性表的第i个元素返回给e*********/

Status GetElem(Sqlist sqlist,int i,Elemtype *e)
{

    if(i<=0||i>MAXSIZE||sqlist.length==0)
    {
       return ERROR;
    }

    *e = sqlist.data[i-1];//第i个元素在数组的第i-1个位置
    return OK;

}

/在线性表中查找与给定值e相等的元素，如果查找成功，返回该元素在表中的序号表示成功，否则返回0表示失败****/

Status LocateElem(Sqlist sqlist,Elemtype e )
{
    int i,length1=0;
    for(i=0;ilength;++i)
    {
        length1+=1; 
        if(sqlist.data [i] == e)
        {
            return length1; 
        }

    }

    return FALSE; 
}

/在线性表sqlist中的第i个位置插入元素e****************/

Status  InsertList(Sqlist *sqlist,int i,Elemtype e )
{
    int f;
    if(i<1||i>sqlist->length+1 )//当i不在范围时
    {
        return FALSE;
    }
    if(sqlist->length==MAXSIZE)
    {                
        return FALSE;       
    }
    if(ilength)//i不是最后一个
    {
        for(f=sqlist->length-1;f>=i-1;--f)
        {
            sqlist->data[f+1]=sqlist->data[f];

        }
    }
    sqlist->data[i-1] = e;//插入 
    sqlist ->length ++;
    return OK ;
}

/删除线性表sqlist中的第i个元素，并用e返回其值****/

Status DeleteList(Sqlist *sqlist,int i,Elemtype *e)
{
    int f;
    if(i>sqlist->length||i<1)//i的取值范围
    {
        return ERROR;
    }
    if(sqlist->length == 0)
    {
        return ERROR;
    }
    *e = sqlist->data[i-1];
    if(ilength)
    {
      for(f=i;flength;++f)
      {
          sqlist->data[f-1] =sqlist->data[f];
      }
    }
    sqlist->length -= 1;
    return OK;
}

int main()
{   
    Sqlist a;
    Status status;
    Elemtype find,e1,e2;
    int f1;
    printf("hello word!!\n\n");

    a.length =0;
    a.data[2] = 12; 
    a.length=3;
    status = ListEmpty(a);
    printf("a.data[2]=%d\na.length=%d\nstatus=%d\n\n",a.data[2],a.length,status);


    ListInit(&a);
    status = ListEmpty(a);
    printf("a.data[2]=%d\na.length=%d\nstatus=%d\n\n",a.data[2],a.length,status);

    a.data[2] = 12; 
    a.length=3;
    GetElem(a,3,&e1);
    printf("a.data[2]=%d\ne1=%d\n\n",a.data[2],e1);

    ListInit(&a);

    for(f1=0;f11;++f1)
    {
       a.data [f1] = f1;
       a.length+=1;
    }

    find = LocateElem(a,8);
    if(find!=0)
    printf("被查元素在线性表的第%d个位置\na.length = %d\n\n",find,a.length);
    InsertList(&a,4,12);
    printf("a.length=%d\n\n",a.length);

    DeleteList(&a,5,&e2);
    printf("%d已被删除\n\n",e2);


    system("pause");
    return 0;
}