func_code_string: #include <bits/stdc++.h>   using namespace std;   void speed() {     ios::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);   }   void convertString(string &s, char t) {     if (t ==  L ) {       for (int i = 0; s[i] !=   0 ; i++)         if (s[i] >= 65 && s[i] <= 90) s[i] += 32;     } else {       for (int i = 0; s[i] !=   0 ; i++)         if (s[i] >= 97 && s[i] <= 122) s[i] -= 32;     }   }   int compare_two_values(double a, double b) {     if (fabs(a - b) <= 1e-10) return 0;     return a > b ? 1 : -1;   }   int main() {     speed();     short n, d, c = 0;     cin >> n >> d;     for (char i =  a ; n > 0; n--) {       cout << i;       c++;       if (c == 26 || c == d)         c = 0, i =  a ;       else         i++;     }     return 0;   }   