func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     vector<int> a;     int n, t;     cin >> n;     for (int i = 1; i <= n; i++) {       cin >> t;       a.push_back(t);     }     sort(a.begin(), a.end());     for (int i = 0; i < n / 2; i++) cout << a[i] <<     << a[n - i - 1] <<    ;     if (n % 2 == 1) cout << a[n / 2];     cout << endl;     return 0;   }   