func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     string s;     int sum = 0, d = 0, diff = 0;     int start = 97;     cin >> s;     for (int i = 0; i < s.size(); i++) {       diff = abs((int)s[i] - start);       if (diff > 13) {         d = 26 - diff;         sum += d;       } else {         sum += diff;       }       start = (int)s[i];     }     cout << sum;     return 0;   }   