func_code_string: #include <bits/stdc++.h>   using namespace std;   class solution {    public:     void solve() {       int n;       cin >> n;       int i = 1;       int prev = 0;       vector<int> sol;       while (n != 0) {         if (n > prev) {           prev++;           sol.push_back(prev);           n = n - prev;         } else {           sol[prev - 1] = sol[prev - 1] + n;           n = 0;         }       }       cout << sol.size() <<   n ;       for (auto it : sol) {         cout << it <<    ;       }     }   };   int main() {     ios::sync_with_stdio(0), cout.tie(0), cin.tie(0);     long long i = 0;     solution second;     second.solve();     return 0;   }   