func_code_string: #include <bits/stdc++.h>   using namespace std;   int32_t main() {     long long n, k;     cin >> n >> k;     string s[n - k + 1];     for (long long i = 0; i <= n - k; i++) cin >> s[i];     string c[50];     long long i1 = 65;     for (long long i = 0; i < 26; i++) {       c[i] = i1;       i1++;     }     i1 = 65;     for (long long i = 26; i < 50; i++) {       c[i] = i1;       c[i] +=  a ;       i1++;     }     string ans[n];     i1 = 0;     for (long long i = 0; i < n; i++) {       ans[i] = c[i1];       i1++;     }     for (long long i = 0; i <= n - k; i++) {       if (s[i] ==  NO ) {         ans[i + k - 1] = ans[i];       }     }     for (long long i = 0; i < n; i++) cout << ans[i] <<    ;     return 0;   }   