Arrays in C

/* 	Array Operatons
*/
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>

int a[100], n, i, value, position;

void create();
void display();
void insert();
void del();
void search();

void main()
{
    int choice = 1;
    clrscr();
    create();
    do
    {
	printf("\n\n*-------MENU-------*\n");
	printf("1.DISPLAY\n");
	printf("2.INSERT\n");
	printf("3.DELETE\n");
	printf("4.SEARCH\n");
	printf("5.EXIT\n");
	printf("------------------");
	printf("\nEnter Your Choice:\t");
	scanf("%d", &choice);
	switch (choice)
	{
	case 1:
	    if(n == 0)
	    {
		printf("No elements to display");
	    }else{
	    display();
	    }
	    break;
	case 2:
	    insert();
	    display();
	    break;
	case 3:
	    if(n == 0)
	    {
		printf("No elements to delete");
	    }else{
	    del();
	    display();
	    }
	    break;
	case 4:
	    if(n == 0)
	    {
	    printf("Array is empty.");
	    }else{
	    search();
	    }
	    break;
	case 5:
	    exit(0);
	    break;
	default:
	    printf("\nInvalid choice\n");
	    break;
	}
    }while (choice <= 5);
    getch();
}

// Creating array elements
void create()
{
    printf("\nEnter the size of array:\t");
    scanf("%d", &n);
    printf("\nEnter the elements of array:\n");
    for (i = 0; i < n; i++)
    {
	scanf("%d", &a[i]);
    }
}

// displaying array elements
void display()
{
    int i;
    printf("\nArray elements are:\n");
    for (i = 0; i < n; i++)
    {
	printf("%d\t", a[i]);
    }
}

// Inserting element into an array
void insert()
{
    printf("\nEnter the position for the new element:\t\n");
    scanf("%d", &position);
    if(position<=n)
    {
	printf("\nEnter the element to be inserted :\t");
	scanf("%d", &value);
	for (i = n - 1; i >= position - 1; i--)
		{
			a[i + 1] = a[i];
		}
	a[position - 1] = value;
	n = n + 1;
    }else
    {
	printf("Enter the correct position between 1 to %d\n",n);
    }
}

// Deleting an array element
void del()
{
    printf("\nEnter the position of the element to be deleted:\t");
    scanf("%d", &position);
    value = a[position - 1];
    for (i = position - 1; i < n - 1; i++)
    {
	a[i] = a[i + 1];
    }
    n = n - 1;
    printf("\nThe deleted element is = %d", value);
}

// Searching element in an array
void search()
{
    int ele,count=0;
    printf("\nEnter the element to search : \t\n");
    scanf("%d", &ele);
    for (i = 0; i <= n - 1; i++)
    {
	if (a[i] == ele)
	{
	    printf("%d", i+1);
	    count++;
	}
    }
    if(count != 1)
    {
	printf("\nElement not found in the Array.");
    }
}