C Program To Reverse an Array

#include<stdio.h>
#include<conio.h>
void main()
{
int a[20],i,n;
clrscr();
printf("Enter the n value");
scanf("%d",&n);
for(i=1;i<=n;i++)
{
printf("enter the a[%d]=",i);
scanf("%d",&a[i]);
}
for(i=n;i>0;i--)
{
printf("%d\n",a[i]);
}
getch();
}