func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, i, a, b, s = 0;     char s1[10001], s2[10001];     cin >> n;     cin.ignore(10000,   n );     cin.get(s1, 10001,   n );     cin.ignore(10000,   n );     cin.get(s2, 10001,   n );     cin.ignore(10000,   n );     for (i = 0; i < n; ++i) {       if (s1[i] - 48 > s2[i] - 48)         a = (10 - (s1[i] - 48)) + (s2[i] - 48);       else         a = (10 - (s2[i] - 48)) + (s1[i] - 48);       if (s1[i] - 48 > s2[i] - 48)         b = (s1[i] - 48) - (s2[i] - 48);       else         b = (s2[i] - 48) - (s1[i] - 48);       if (a > b)         s += b;       else         s += a;     }     cout << s;     return 0;   }   