func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     int h = 0;     int w = 1;     int total = 0;     cin >> n;     while (n >= w) {       total += w;       n -= w;       h += 1;       w += h + 1;     }     cout << h << endl;     return 0;   }   