func_code_string: #include <bits/stdc++.h>   using namespace std;   int ch[101];   int main() {     int n, pos;     cin >> n;     for (int i = 0; i < n / 2; i++) {       cin >> ch[i];     }     sort(ch, ch + (n / 2));     int black = 0;     pos = 1;     for (int i = 0; i < n / 2; i++) {       black += abs(ch[i] - pos);       pos += 2;     }     int white = 0;     pos = 2;     for (int i = 0; i < n / 2; i++) {       white += abs(ch[i] - pos);       pos += 2;     }     cout << min(white, black) << endl;     return 0;   }   