func_code_string: #include <bits/stdc++.h>   using namespace std;   #pragma comment(linker,  /STACK:20000000 )   string problem_name =  a ;   void init() { freopen((problem_name +  .in ).c_str(),  rt , stdin); }   long long res = 0;   int ms[300100];   int len;   void mul(int val) {     int p = 0;     for (int i = 0; i < 300000; i++) {       p += ms[i] *= val;       ms[i] = p % 10;       p /= 10;     }   }   int main() {     string s;     cin >> s;     vector<int> u(255, 0);     res = 1;     int zero = 0;     long long col = 10;     int c = 0;     int c2 = 0;     for (int i = 0; i < int((s).size()); i++) {       if (s[i] ==  ? ) {         c++;       } else if (isalpha(s[i])) {         if (u[s[i]]) continue;         u[s[i]] = 1;         if (col <= 0) {           res = 0;           zero = 1;           break;         }         c2++;         col--;       }     }     if (zero) {       cout << 0;       return 0;     }     if (c) {       if (s[0] ==  ? )         ms[c - 1] = 9;       else         ms[c] = 1;     } else       ms[0] = 1;     if (c2) {       for (int i = 10; i > 10 - c2; i--) {         if (i == 10 && isalpha(s[0]))           mul(9);         else           mul(i);       }     }     int len = 300000;     while (!ms[len]) len--;     for (int i = len; i >= 0; i--) printf( %d , ms[i]);     return 0;   }   