Reverse array integer

/* C programme to print reversely a given integer array */
#include<stdio.h>
int main(void)
{
    int x,i,j=0,k;
    printf("Please enter array size:\n");
    scanf("%d",&x);
    int a[x];
    int b[x];
    for(i=0;i<x;i++)
    {
        scanf("%d",&a[i]);
    }
    k=i-1;
    for(i=k;i>=0;i--)
    {
        b[j]=a[i];
        j++;
    }
    for(i=0;i<x;i++)
    {
        printf("%d ",b[i]);
    }
    return 0;
}