Problem:
Score : 300 points

Problem Statement

You are given an integer sequence of length n, a_1, ..., a_n.
Let us consider performing the following n operations on an empty sequence b.

The i-th operation is as follows:

Append a_i to the end of b.

Reverse the order of the elements in b.

Find the sequence b obtained after these n operations.

Constraints

1 \leq n \leq 2\times 10^5

0 \leq a_i \leq 10^9

n and a_i are integers.

Input

Input is given from Standard Input in the following format:

n
a_1 a_2 ... a_n

Output

Print n integers in a line with spaces in between.
The i-th integer should be b_i.

Sample Input 1

4
1 2 3 4

Sample Output 1

4 2 1 3

After step 1 of the first operation, b becomes: 1.

After step 2 of the first operation, b becomes: 1.

After step 1 of the second operation, b becomes: 1, 2.

After step 2 of the second operation, b becomes: 2, 1.

After step 1 of the third operation, b becomes: 2, 1, 3.

After step 2 of the third operation, b becomes: 3, 1, 2.

After step 1 of the fourth operation, b becomes: 3, 1, 2, 4.

After step 2 of the fourth operation, b becomes: 4, 2, 1, 3.

Thus, the answer is 4 2 1 3.

Sample Input 2

3
1 2 3

Sample Output 2

3 1 2

As shown above in Sample Output 1, b becomes 3, 1, 2 after step 2 of the third operation. Thus, the answer is 3 1 2.

Sample Input 3

1
1000000000

Sample Output 3

1000000000

Sample Input 4

6
0 6 7 6 7 0

Sample Output 4

0 6 6 0 7 7

Solution in C++14 (GCC 5.4.1) (judge verdict: Accepted)

  #include <bits/stdc++.h>
  #define rep(i,n) for(int i=0;i<(int)(n);++i)
  #define repone(i,n) for(int i=1;i<(int)(n);++i)

  #define Rep(i,n) for(int i=0;i<(int)(n);++i)

  #define int long long

  using namespace std;

  signed main()
  {
    int x=0,i,j;
    std::cin >> x;
    std::vector<int> v(x);
if(x==1){
std::cin >> v[x-1];
  std::cout << v[x-1] << '\n';
}else{

      rep(i,x){
        std::cin >> v[i];
      }

    for(i=x-1;i>=0;i=i-2){
      cout<<v[i]<<" ";
    }
if(i==-2)j=1;
else j=0;
    for(j;j<x;j=j+2){
      std::cout <<v[j]<<" ";
    }
}
      return 0;
  }