数据结构实验(C语言): 顺序表实验

2025-03-02 09:50:20
推荐回答(3个)
回答(1):

//线性表函数操作
#include
#include

#define MaxSize 30
#define Error 0
#define True 1

typedef char ElemType;

typedef struct
{
ElemType elem[MaxSize];

int length;
}SqList; /*顺序表类型定义*/

void InitList(SqList * &L) /*初始化顺序表L*/
{
L = (SqList *)malloc(sizeof(SqList));
L -> length = 0;
}

void DestroyList( SqList *L ) /*释放顺序表L*/
{
free(L);
}

int ListEmpty( SqList *L ) /*判断顺序表L是否为空表*/
{
return( L -> length == 0);
}

int ListLength( SqList *L ) /*返回顺序表L的元素个数*/
{
return( L -> length);
}

void DispList( SqList *L ) /*输出顺序表L*/
{
int i;
if( ListEmpty(L))
return;
for( i = 0; i < L -> length; i++ )
printf("%c", L -> elem[i]);
printf("\n");
}

int GetElem( SqList *L, int i, ElemType &e) /*获取顺序表中的第i个元素*/
{
if( i < 1 || i > L -> elem[i])
return Error;
e = L -> elem[i - 1];
return True;
}

int LocateElem( SqList *L, ElemType e) /*在顺序表中查找元素e*/
{
int i = 0;
while( i < L -> length && L -> elem[i] != e)
i++;
if(i >= L -> length)
return Error;
else
return i+1;
}

int ListInsert( SqList * &L, int i, ElemType e) /*在顺序表L中第i个位置插入元素e*/
{
int j;
if( i < 1 || i > L -> length + 1)
return 0;
i--; /*将顺序表位序转化为elem下标*/
for( j = L -> length; j > i; j--) /*将elem[i]及后面元素后移一个位置*/
L -> elem[j] = L -> elem[j - 1];
L -> elem[i] = e;
L -> length++; /*顺序表长度增1*/
return True;
}

int ListDelete( SqList * &L, int i, ElemType &e) /*顺序表L中删除第i个元素*/
{
int j;
if( i < 1 || i > L -> length)
return Error;
i--; /*将顺序表位序转化为elem下标*/
e = L -> elem[i];
for(j = i; j < L -> length - i; j++)
L -> elem[j] = L -> elem[j + 1];
L -> length--; /*顺序表长度减1*/
return True;
}

void main()
{
SqList *L;
ElemType e;
printf("(1)初始化顺序表L\n");
InitList(L);
printf("(2)依次采用尾插法插入a,b,c,d,e元素\n");
ListInsert(L, 1, 'a');
ListInsert(L, 2, 'b');
ListInsert(L, 3, 'c');
ListInsert(L, 4, 'd');
ListInsert(L, 5, 'e');
printf("(3)输出顺序表L:");
DispList(L);
printf("(4)顺序表L长度 = %d\n", ListLength(L));
printf("(5)顺序表L为%s\n", (ListEmpty(L) ?"空" :"非空"));
GetElem(L, 3, e);
printf("(6)顺序表L的第3个元素 = %c\n", e);
printf("(7)元素a的位置 = %d\n", LocateElem(L,'a'));
printf("(8)在第4个元素位置上插入f元素\n");
ListInsert(L, 4, 'f');
printf("(9)输出新的顺序表L:");
DispList(L);
printf("(10)删除L的第3个元素\n");
ListDelete(L, 3, e);
printf("(11)输出新的顺序表L:");
DispList(L);
printf("(12)释放顺序表L\n");
DestroyList(L);

}

回答(2):

Status Initlist_Sq(SqList &L) /*初始化顺序表*/
{ L=(SqList *)malloc(sizeof(SqList));
l->length=0;
}

void Destroylist(SqList &L) /*销毁顺序表*/
{
free(L);
}

void Clearlist_Sq(SqList &L) /*清空顺序表*/
{ 同上}

Status Listempty_Sq(SqList L) /*测试顺序表是否为空*/
{
return(L->length==0);
}

Status ListInsert_Sq(SqList &L, int i,ElemType e) /*在第i个位置上插入一个元素*/
{ int j;
if(i<1||i>L->length+1)
return 0;
i--;
for(j=L->length;j>i;j--)
L->elem[j]=l->elem[j-1];
L->elem[i]=e;
L->length++;
return 1;
}

int LocateElem_Sq(SqList L,ElemType e) /*返回元素e在顺序表中的位置*/
{ int i=0;
while(ilength&&L->elem[i]!e) i++;
if(i>=L-length)
return 0;
else
return i+1;
}

Status ListDelete_Sq(SqList &L, int i, int &e) /*删除第i个位置上的元素*/
{ int j;
if(i<1||i>L->length)
return 0;
i--;
e=L->elem[i];
for(j=i;jlength-1;j++)
L->elem[j]=L->elem[j+1];
L->length--;
return 1;
}
好好看看

回答(3):

#include
#include
#include
#define LIST_INIT_SIZE 10
#define LISTINCREMENT 3
#define TRUE 1
#define FALSE 0
#define OK 1
#define ERROR -1
#define OVERFLOW -2

typedef int Status;
typedef int ElemType;
typedef struct SqList {
ElemType *elem;
int length;
int listsize;
}SqList;

Status Initlist_Sq(SqList &L)
{
if ((L.elem = (ElemType*) malloc(sizeof(ElemType) * (1+LIST_INIT_SIZE))) != NULL) {
L.length = 0;
L.listsize = LIST_INIT_SIZE;
memset(L.elem, 0, sizeof(ElemType) * sizeof(L.listsize));
return OK;
}
else
return ERROR;
}

void Destroylist(SqList &L)
{
free(L.elem);
}

void Clearlist_Sq(SqList &L)
{
memset(L.elem, 0, sizeof(ElemType) * sizeof(L.listsize));
}

Status Listempty_Sq(SqList& L)
{
return L.length==0 ? TRUE : FALSE;
}

Status ListInsert_Sq(SqList &L, int i,ElemType e)
{
int j;
if (i>L.listsize || L.length==L.listsize) {
if ((L.elem = (ElemType*) realloc(L.elem, L.listsize+LISTINCREMENT)) == NULL)
return ERROR;
L.listsize += LISTINCREMENT;
}

for (j=L.length+1; j>i; j--)
L.elem[j] = L.elem[j-1];
L.elem[i] = e;
L.length = i>L.length ? i : L.length+1;
return OK;
}

int LocateElem_Sq(SqList &L,ElemType e)
{
int i;
for (i=1; i<=L.length; i++) {
if (L.elem[i] == e)
return i;
}
return ERROR;
}

Status ListDelete_Sq(SqList &L, int i, int &e)
{
int j;
if (L.length >= i) {
for (j=i; j L.elem[j] = L.elem[j+1];
L.length--;
return OK;
}
else
return ERROR;
}

int main()
{
int num;
SqList L;
Initlist_Sq(L);
Clearlist_Sq(L);
if (Listempty_Sq(L))
printf("NULL\n");
ListInsert_Sq(L, 5, 5);
ListInsert_Sq(L, 15, 10);
num = LocateElem_Sq(L, 5);
printf("5 locates in %d\n", num);
num = LocateElem_Sq(L, 10);
printf("10 locates in %d\n", num);

Destroylist(L);

return 0;
}

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