func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     vector<int> a;     while (n) {       int x = n, p = 1, m = 0;       while (x) {         if (x % 10) m += p;         x /= 10;         p *= 10;       }       n -= m;       a.push_back(m);     }     cout << a.size() << endl;     for (int &i : a) cout << i <<    ;   }   