#include <iostream>
#include <iomanip>
 
using namespace std;
 
void printIt (int numbers[],int length);
int removeAt (int numbers[], int length, int index);
void insertAt (int numbers[], int length, int insertItem, int index);
 
 
int main()
{
 
    int numbers[] = {4,23,65,34,82,37,12,17,24,36,82,51};
    int length;
    int index;
    int insertItem;
 
 
    cout<<"Removing an item from the list..."<<endl;
    cout<<endl;
 
    printIt(numbers,12);
    removeAt(numbers,12,index);
    insertAt(numbers,12,insertItem,index);
 
 
 
    system ("PAUSE");
    return 0;
}
 
void printIt (int numbers[],int length)
{
 
     cout<<"The current array..."<<endl;
 
    for (int i = 0; i<length; i++)
    {
      cout<<numbers[i]<<" "; 
    } 
     cout<<endl;
 
}
 
int removeAt (int numbers[], int length, int index)
{
     int item;
 
 
     cout<<endl;
     cout<<"There are "<<length<<" item(s) in the list (position 0 through 11)"<<endl;
     cout<<"Enter the position of the item to be removed."<<endl;
     cout<<"Enter 0 for the first item and so on: ";
     cin>>item;
 
     if (item > length)
     {
     cout<<endl;
     cout<<"!!!!!!!!!!!!!!!!!! ERROR !!!!!!!!!!!!!!!!!!"<<endl;
     cout<<endl;
 
     cout<<"The current array..."<<endl;
 
      for (int i = 0; i<length; i++)
    {
      cout<<numbers[i]<<" "; 
    } 
    cout<<endl;
    cout<<endl;
    cout<<"!!!! Index out of Range !!!!"<<endl;
    cout<<"There are "<<length<<" item(s) in the list (position 0 through 11)"<<endl;
    cout<<"You entered position "<<item<<", which is OUT OF RANGE."<<endl;
    cout<<"Enter the position of the item to be removed."<<endl;
    cout<<"Enter 0 for the first item and so on: ";
    cin>>item;
    cout<<endl;
    cout<<"After removing the item at position "<<item<<", array is..."<<endl;
    cout<<endl;
    cout<<"The current array..."<<endl; 
    }
 
    for (int i = 0; i < length; i++)
    {
        if (i != item)
        {
              cout<<numbers[i]<<" ";
        }
    }
 
    cout<<endl;
    cout<<endl;
    cout<<"************************************************************";
    cout<<endl;
    cout<<endl;
 
 
}
 
 
void insertAt (int numbers[], int length, int insertItem, int index)
{
 
     int item;
 
 
     cout<<"Inserting an item in the list..."<<endl;
     cout<<endl;
     cout<<"The current array..."<<endl;
 
 
     for (int i = 0; i < length; i++)
    {
        if (i != item)
        {
              cout<<numbers[i]<<" ";
        }
    }
    cout<<endl;
    cout<<"There are 10 items(s) in the list (position 0 through 11)"<<endl;
    cout<<"Enter item to be inserted and its position"<<endl;
    cout<<"Position of the first element is 0,"<<endl;
    cout<<"so if you want the #5 at the front type in: "<<endl;
    cout<<"5 (space) 0 "<<endl;
    cin>>insertItem;
    cin>>index;
 
 
    if (index > length)
     {
     cout<<endl;
     cout<<"!!!!!!!!!!!!!!!!!! ERROR !!!!!!!!!!!!!!!!!!"<<endl;
     cout<<endl;
 
     cout<<"The current array..."<<endl;
 
     for (int i = 0; i < length; i++)
    {
        if (i != item)
        {
              cout<<numbers[i]<<" ";
        }
    }
    cout<<endl;
    cout<<endl;
    cout<<"!!!! Index out of Range !!!!"<<endl;
    cout<<"There are "<<length<<" item(s) in the list (position 0 through 11)"<<endl;
    cout<<"You entered position "<<index<<", which is OUT OF RANGE. Please try again."<<endl;
    cout<<endl;
    cout<<"Enter item to be inserted and its position"<<endl;
    cout<<"Position of the first element is 0,"<<endl;
    cout<<"so if you want the #5 at the front type in: "<<endl;
    cout<<"5 (space) 0 "<<endl;
    cin>>insertItem;
    cin>>index;
    }
 
    cout<<endl;
    cout<<"After inserting the item at position "<<insertItem<<", array is..."<<endl;
    cout<<endl;
    cout<<"The current array..."<<endl;
 
    numbers[insertItem-1] = insertItem;
    cout<<numbers[insertItem-1]<<" ";
 
      for (int i = 0; i < length; i++)
    {
       if (i != item)
        {
        cout<<numbers[i]<<" ";   
        } 
    }
     cout<<endl;
}