func_code_string: #include <bits/stdc++.h>   using namespace std;   string ls[] = {  ,      one ,  two ,    three ,  four ,                   five ,  six ,  seven ,  eight ,  nine };   string fr[] = {  ,        ,       twenty ,   thirty ,  forty ,                   fifty ,  sixty ,  seventy ,  eighty ,  ninety };   int main() {     ios_base::sync_with_stdio(false);     int n;     cin >> n;     int first = n / 10, second = n % 10;     switch (n) {       case 0:         cout <<  zero  << endl;         break;       case 10:         cout <<  ten  << endl;         break;       case 11:         cout <<  eleven  << endl;         break;       case 12:         cout <<  twelve  << endl;         break;       case 13:         cout <<  thirteen  << endl;         break;       case 14:         cout <<  fourteen  << endl;         break;       case 15:         cout <<  fifteen  << endl;         break;       case 16:         cout <<  sixteen  << endl;         break;       case 17:         cout <<  seventeen  << endl;         break;       case 18:         cout <<  eighteen  << endl;         break;       case 19:         cout <<  nineteen  << endl;         break;       default: {         if (!first)           cout << ls[second] << endl;         else if (!second)           cout << fr[first] << endl;         else           cout << fr[first] <<  -  << ls[second] << endl;       }     }   }   