Delecting-a-valiue-in-an-array.c

#include<stdio.h>
int main()
{
    int a[20],size,i,num,pos;
    printf("Enter your Array size: ");
    scanf("%d",&size);
    for(i=0; i<size; i++)
    {
        scanf("%d",&a[i]);
    }
    printf("Array is \n");
    for(i=0; i<size;i++)
    {
        printf(" %d ",a[i]);
    }
   // printf("\n Enter your value:  \n ");
   // scanf("%d",&num);
    printf("\n Enter your position which is delect:  \n  ");
    scanf("%d",&pos);
    for(i=pos-1; i<size-1;i++)
    {
        a[i]=a[i+1];
    }

    size--;
    printf("The after inserting: \n");
    for(i=0; i<size;i++)
    {
        printf(" %d ",a[i]);
    }
}