func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, m, i, j, k = 1, cnt = 0, cnt1 = 0, q = 2;     cin >> n;     int ar[n + 5];     for (i = 0; i < n / 2; i++) {       cin >> ar[i];     }     sort(ar, ar + (n / 2));     for (i = 0; i < n / 2; i++) {       cnt += abs(k - ar[i]);       k += 2;     }     for (i = 0; i < n / 2; i++) {       cnt1 += abs(q - ar[i]);       q += 2;     }     cout << min(cnt, cnt1) << endl;     return 0;   }   