oj题目顺序线性表的基本操作

8576 顺序线性表的基本操作
编写算法,创建初始化容量为LIST_INIT_SIZE的顺序表T,并实现插入、删除、遍历操作。本题目给出部分代码,请补全内容。
#include
#include
#include
#define OK 1
#define ERROR 0
#define LIST_INIT_SIZE 100
#define LISTINCREMENT 10
#define ElemType int

typedef struct
{
int *elem;
int length;
int listsize;//最大长度length
}SqList;

int InitList_Sq(SqList &L)
{
// 算法2.3,构造一个空的线性表L,该线性表预定义大小为LIST_INIT_SIZE
// 请补全代码
L.elem = new ElemType[LIST_INIT_SIZE];//new操作符不需要头文件
if(!L.elem)
//exit(ERROR);
return ERROR;
L.length = 0;
L.listsize = LIST_INIT_SIZE;
return OK;
}

int Load_Sq(SqList &L)
{
// 输出顺序表中的所有元素
int i;
if(L.length == 0) printf(“The List is empty!”); // 请填空
else
{
printf(“The List is: “);
for(i = 0;i }
printf(”\n”);
return OK;
}

int ListInsert_Sq(SqList &L,int i,int e)//注意下标是从0开始的,第一个位置就是L.elem[0]
{
// 算法2.4,在顺序线性表L中第i个位置之前插入新的元素e
// i的合法值为1≤i≤L.length +1
// 请补全代码
if( (i<1)||(i>L.length+1) )
return ERROR;
// if(L.length==LIST_INIT_SIZE)return ERROR;//可加可不加
for(int j = L.length-1; j>=i-1; j–)
{
L.elem[j+1] = L.elem[j];
}
L.elem[i-1] = e;
++L.length;
return OK;

}

int ListDelete_Sq(SqList &L,int i, int &e)//下标从0开始
{
// 算法2.5,在顺序线性表L中删除第i个位置的元素,并用e返回其值
// i的合法值为1≤i≤L.length
// 请补全代码
if( (i<1)||(i>L.length) )//2注意不是i>L.length+1
return ERROR;
e = L.elem[i-1];
for(int j = i; j<=L.length-1; j++)//这个也可以通过
{
L.elem[j-1] = L.elem[j];
}
// for(int j = i-1; j // {
// L.elem[j] = L.elem[j+1];
// }
–L.length;
return OK;
}

int main()
{
SqList T;
int a, i;
ElemType e, x;
if(InitList_Sq(T)) // 判断顺序表是否创建成功
{
printf(“A Sequence List Has Created.\n”);
}
while(1)
{
printf(“1:Insert element\n2:Delete element\n3:Load all elements\n0:Exit\nPlease choose:\n”);
scanf(“%d”,&a);
switch(a)
{
case 1: scanf(“%d%d”,&i,&x);
if( ListInsert_Sq(T,i,x) == ERROR ) printf(“Insert Error!\n”);
else printf(“The Element %d is Successfully Inserted!\n”, x);
break;
case 2: scanf(“%d”,&i);
if( ListDelete_Sq(T,i,e) == ERROR ) printf(“Delete Error!\n”);
else printf(“The Element %d is Successfully Deleted!\n”, e);
break;
case 3: Load_Sq(T);
break;
case 0: return 1;
}
}
}

输入格式 测试样例格式说明:
根据菜单操作:
1、输入1,表示要实现插入操作,紧跟着要输入插入的位置和元素,用空格分开
2、输入2,表示要实现删除操作,紧跟着要输入删除的位置
3、输入3,表示要输出顺序表的所有元素
4、输入0,表示程序结束

输入样例 1
1 2
1
1 3
2
1
3
0

输出样例 A Sequence List Has Created.
1:Insert element
2:Delete element
3:Load all elements
0:Exit
Please choose:
The Element 2 is Successfully Inserted!
1:Insert element
2:Delete element
3:Load all elements
0:Exit
Please choose:
The Element 3 is Successfully Inserted!
1:Insert element
2:Delete element
3:Load all elements
0:Exit
Please choose:
The Element 3 is Successfully Deleted!
1:Insert element
2:Delete element
3:Load all elements
0:Exit
Please choose:
The List is: 2
1:Insert element
2:Delete element
3:Load all elements
0:Exit
Please choose:

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