func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     int v = 0;     map<int, int> s;     for (int i = 19; s.size() < 10010; i += 9) {       int kk = i;       int c = 0;       while (kk > 0) {         c += kk % 10;         kk /= 10;       }       if (c == 10) s[v++] = i;     }     cout << s[n - 1];     return 0;   }   