func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int meow, k = 0;     string s[4];     for (int i = 0; i < 4; i++) cin >> s[i];     for (int i = 0; i < 4; i++) {       int n1 = 0, n2 = 0;       for (int j = 0; j < 4; j++) {         if (j == i) continue;         n1 += (((s[i].size() - 2) * 2) <= (s[j].size() - 2));         n2 += ((s[i].size() - 2) >= ((s[j].size() - 2) * 2));       }       if (n1 == 3 || n2 == 3) {         meow = i;         k++;       }     }     if (k == 1)       cout << s[meow][0] << endl;     else       cout <<  C  << endl;     return 0;   }   