Asif 2(b)

#include<stdio.h>
#include<math.h>

int main()
{
    int n;
    scanf("%d",&n);
    int a[n+1];
    for(int i=1;i<=n;i++)
        scanf("%d",&a[i]);
    for(int i=n;i>1;i-=2){
        int temp = a[i];
        a[i] = a[i-2];
        a[i-2] = temp;
    }
    for(int i=1;i<=n;i++)
        printf("%d ",a[i]);
    return 0;
}