C program that deletes the first element in an array

#include <stdio.h>


int main()
{
    int arr[100],size,i;


    printf("Enter the size of the array : ");
    scanf("%d", &size);
    printf("Enter the elements in the array : ");
    for(i=0; i<size; i++)
    {
        scanf("%d", &arr[i]);
    }

    for(i=0; i<size-1; i++)
    {
        arr[i] = arr[i+1];
    }
    size--;

    printf("After deleting the first element  : ");


    for(i=0; i<size; i++)
    {
        printf("%d\n", arr[i]);
    }


    return 0;
}