func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     cin >> s;     char tt =  a ;     int k = s.size(), c = 0;     for (int i = 0; i < k; i++) {       int x = int(tt);       int y = int(s[i]);       int a = abs(x - y);       int b = 26 - a;       b = min(b, a);       c += b;       tt = s[i];     }     cout << c << endl;     return 0;   }   