#include <stdio.h>
#include <conio.h>

#define MAX 5

void insert ( int *, int pos, int num ) ;
void del ( int *, int pos ) ;
void reverse ( int * ) ;
void display ( int * ) ;
void search ( int *, int num ) ;

void main( )
{
    int arr[5] ;

    clrscr( ) ;

    insert ( arr, 1, 11 ) ;
    insert ( arr, 2, 12 ) ;
    insert ( arr, 3, 13 ) ;
    insert ( arr, 4, 14 ) ;
    insert ( arr, 5, 15 ) ;

    printf ( "\nElements of Array: " ) ;
    display ( arr ) ;

    del ( arr, 5 ) ;
    del ( arr, 2 ) ;
    printf ( "\n\nAfter deletion: " ) ;
    display ( arr ) ;

    insert ( arr, 2, 222 ) ;
    insert ( arr, 5, 555 ) ;
    printf ( "\n\nAfter insertion: " ) ;
    display ( arr ) ;
    reverse ( arr ) ;
    printf ( "\n\nAfter reversing: " ) ;
    display ( arr ) ;
    search ( arr, 222 ) ;
    search ( arr, 666 ) ;

    getch( ) ;
}

/* inserts an element num at given position pos */
void insert ( int *arr, int pos, int num )
{
    /* shift elements to right */
int i ;
    for ( i = MAX - 1 ; i >= pos ; i-- )
        arr[i] = arr[i - 1] ;
    arr[i] = num ;
}

/* deletes an element from the given position pos */
void del ( int *arr, int pos )
{
    /* skip to the desired position */
int i ;
    for ( i = pos ; i < MAX ; i++ )
        arr[i - 1] = arr[i] ;
    arr[i - 1] = 0 ;
}

/* reverses the entire array */
void reverse ( int *arr )
{
    int i ;
    for ( i = 0 ; i < MAX / 2 ; i++ )
    {
        int temp = arr[i] ;
        arr[i] = arr[MAX - 1 - i] ;
        arr[MAX - 1 - i] = temp ;
    }
}

/* searches array for a given element num */
void search ( int *arr, int num )
{
    /* Traverse the array */
int i ;
    for ( i = 0 ; i < MAX ; i++ )
    {
        if ( arr[i] == num )
        {
            printf ( "\n\nThe element %d is present at %dth position.", num, 
                    i + 1 ) ;
            return ;
        }
    }

    if ( i == MAX )
        printf ( "\n\nThe element %d is not present in the array.", num ) ;
}

/* displays the contents of a array */
void display ( int *arr )
{
    /* traverse the entire array */
int i ;
    printf ( "\n" ) ;
    for ( i = 0 ; i < MAX ; i++ )
        printf ( "%d\t", arr[i] ) ;
}