func_code_string: #include <bits/stdc++.h>   using namespace std;   const int a = 26;   char c[10000], ans[10000];   int p[10000], ap[10000], perm[10000];   map<int, int> m;   int main() {     string s, st;     cin >> s;     int n = s.size(), x, t, last, y;     x = 17576;     for (int i = 0; i < 3; i++) {       x /= a;       t = 0;       last = -1;       cout <<  ?  ;       for (int j = 0; j < n; j++) {         if (j % x == 0 || last != c[j]) {           t = (t + 1) % a;         }         last = c[j];         c[j] = char(t +  a );         cout << c[j];       }       cout << endl;       cin >> st;       for (int j = 0; j < n; j++) {         y = st[j] -  a ;         p[j] = p[j] * a + y;         ap[j] = ap[j] * a + (c[j] -  a );       }     }     cout <<  !  ;     for (int i = 0; i < n; i++) m[ap[i]] = i;     for (int i = 0; i < n; i++) perm[i] = m[p[i]];     for (int i = 0; i < n; i++) ans[perm[i]] = s[i];     for (int i = 0; i < n; i++) cout << ans[i];     cout << endl;   }   