func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     string s = to_string(n);     int m = s.size();     vector<int> v;     for (int i = 9 * m; i >= 0; i--) {       int j = n - i;       int sum = 0;       for (sum = 0; j > 0; j /= 10) sum += j % 10;       if (sum == i) v.push_back(n - i);     }     cout << v.size() << endl;     for (auto i : v) cout << i << endl;   }   