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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6.     int n;
  7.     cin >> n;
  8.  
  9.     long long a[100005];
  10.  
  11.     for (int i = 0; i < n; i++)
  12.         cin >> a[i];
  13.  
  14.     int l = 0, r = n - 1;
  15.  
  16.     while (l <= r) {
  17.         cout << a[l] << " ";
  18.         l++;
  19.  
  20.         if (l <= r) {
  21.             cout << a[r] << " ";
  22.             r--;
  23.         }
  24.     }
  25.  
  26.     return 0;
  27. }
Success #stdin #stdout 0.01s 5320KB
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https://ideone.com/XoCS7n
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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