C++ :

#include<bits/stdc++.h>
using namespace std;
int n,a[305];
int main()
{
	cin>>n;
	for(int i=1;i<=n;i++)
		cin>>a[i];
	for(int i=1,j=n;i<=j;i++,j--)
		if(i!=j) cout<<a[i]<<" "<<a[j]<<" ";
		else cout<<a[i];
			 
    return 0;
}