func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     int current = 0;     int i = 1, i2 = 2;     int ans = 0;     while (current + i <= n) {       current += i;       ans++;       i += i2;       i2++;     }     cout << ans;   }   