func_code_string: #include <bits/stdc++.h>   using namespace std;   int arr[10][10];   bool CheckArr(const string& s) {     const int n = s.length();     for (int a = 0; a < (10); ++a) {       if (arr[a][0] == 0) continue;       char c = s[arr[a][0] - 1];       for (int i = 0; i < (10); ++i) {         if (arr[a][i] == 0) break;         int idx = arr[a][i] - 1;         if (c != s[idx]) return false;       }     }     for (int i = 0; i < 10; ++i) {       if (arr[i][0] == 0) continue;       for (int j = i + 1; j < 10; ++j) {         if (arr[j][0] == 0) continue;         int idx1 = arr[i][0] - 1;         int idx2 = arr[j][0] - 1;         if (s[idx1] == s[idx2]) return false;       }     }     return true;   }   bool Check(const string& s1, const string& s2) {     const int n = s1.length();     if (n != s2.length()) return false;     for (int i = 0; i < (n); ++i) {       if (s1[i] ==  ? ) continue;       if (s1[i] >=  0  && s1[i] <=  9  && s1[i] == s2[i]) continue;       if (s1[i] >=  A  && s1[i] <=  J ) continue;       return false;     }     return true;   }   int main() {     string s;     cin >> s;     const int n = s.length();     if (n > 5) {       cout <<  :(  << endl;       return 0;     }     for (int i = 0; i < (n); ++i)       if (s[i] >=  A  && s[i] <=  J ) {         int alphaIdx = s[i] -  A ;         int posIdx = 0;         while (arr[alphaIdx][posIdx] != 0) ++posIdx;         arr[alphaIdx][posIdx] = i + 1;       }     int ans = 0;     for (int i = 1; i <= 99999; ++i) {       char str[6];       sprintf(str,  %d , i);       string s2(str);       if (Check(s, s2) && CheckArr(s2)) ++ans;     }     cout << ans << endl;     return 0;   }   