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#include<iostream>
#include<time.h>
#include<stdlib.h>
using namespace std;
#define ElemType int
#define MaxSize 100 //定义顺序表的最大储存个数是100
struct List
{
ElemType data[MaxSize];
int length;
};
//建立顺序表(定义一个函数建立顺序表,将数组a的元素给顺序表)
void creatList(struct List *&L, ElemType a[], int n)
{
int length = 0;
L = new struct List;
for (int i = 0; i < n; i++)
{
L->data[i] = a[i];
length += 1;
}
L->length = length;
}
//产生随机数
ElemType* randomInterger()
{
ElemType *Interger = new ElemType[10];
srand((unsigned)time(NULL));
for (int i = 0; i < 10; i++)
{
Interger[i] = 100 + rand() % 899;
}
return Interger;
}
//输出链表的内容
void display(struct List L)
{
if (L.length == 0)
{
cout << "顺序表为空!" << endl;
exit(0);
}
for (int i = 0; i < L.length; i++)
{
cout << L.data[i] << "\t";
}
cout << endl;
}
//读入一个整数,查看该整数是否在表中,若在,输出其位置(首位置为1)
int findLocation(struct List *&L, ElemType a)
{
int index = 1;
for (int i = 0; i < L->length; i++)
{
if (a == L->data[i])
{
cout << "该数的位置在" << index + i << endl;
return index + i;
}
else
{
cout << "该数不在表中!" << endl;
return 0;
}
}
}
//读入一个整数,以及要插入的位置,把该整数插入到链表中,输出链表的内容(要求判断输入的位置是否合理);
void Insert(struct List *&L, ElemType a, int index)
{
int len = L->length;
//判断插入位置
if (index<0 || index>L->length || L->length == MaxSize)
{
cout << "插入失败!" << endl;
exit(0);
}
else
{
for (int i = len; i >= index; i--)
{
L->data[i] = L->data[i - 1];
}
L->data[index] = a;
L->length++;
}
}
//读入一个整数,若该整数在链表里,删除该整数,输出链表的内容;
void Delete(struct List *&L, ElemType deleteInteger)
{
int Location = 0;
if (!findLocation(L, deleteInteger))
{
exit(0);
}
else
{
Location = findLocation(L, deleteInteger);
for (int i = Location - 1; i < L->length; i++)
{
L->data[i] = L->data[i + 1];
}
L->length--;
}
}
void converse_and_display(struct List *&L)
{
ElemType *data = new ElemType[L->length];
for (int i = 0; i < L->length; i++)
{
data[L->length - i - 1] = L->data[i];
}
for (int i = 0; i < L->length; i++)
{
L->data[i] = data[i];
}
display(*L);
}
//创建一个操作菜单
void menu()
{
cout << "*****************顺序表的操作*****************" << endl;
cout << "**********************************************" << endl;
cout << "* 1.判断一个数是否存在并输出位置 *" << endl;
cout << "* 2.插入数据到顺序表中 *" << endl;
cout << "* 3.给定删除元素删除顺序表中的元素 *" << endl;
cout << "* 4.翻转并显示 *" << endl;
cout << "* 5.输出顺序表 *" << endl;
cout << "* 6.退出 *" << endl;
cout << "**********************************************" << endl;
int choice = 0;
ElemType *Interger = randomInterger();
ElemType find;
ElemType insertInterger;
ElemType deleteInteger;
int index;
struct List *L;
creatList(L, Interger, 10);
while (1)
{
cout << "请输入你的操作:";
cin >> choice;
if (choice == 6)
break;
switch (choice)
{
case 1:
cout << "请输入需要判断是否存在的一个数:";
cin >> find;
findLocation(L, find);
break;
case 2:
cout << "请你输入一个整数和需要插入的位置:";
cin >> insertInterger;
cin >> index;
Insert(L, insertInterger, index);
break;
case 3:
cout << "请输入要删除的整数:" << endl;
cin >> deleteInteger;
Delete(L, deleteInteger);
break;
case 4:
converse_and_display(L);
break;
case 5:
display(*L);
break;
default:cout << "输入有误!" << endl;
}
}
}
int main()
{
menu();
system("pause");
return 0;
}
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