func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int num, i, count = 0, sum = 0, a;     cin >> num;     a = 1;     while (1) {       for (i = 1; i <= a; i++) {         sum += i;       }       a++;       if (sum > num) break;       count++;     }     cout << count << endl;     return 0;   }   