func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long n, s1 = 0, s2 = 0, s = 0;     cin >> n;     s1 = ((n + 1) * n) / 2, s2 = s1 / 2;     vector<long> a;     for (long i = n; i > 0 && s2 > 0; --i)       if (s2 >= i)         if (s2 - i < i && s2 - i != 0) {           a.push_back(i), a.push_back(s2 - i), s += s2;           break;         } else           a.push_back(i), s2 -= i, s += i;     cout << abs(s1 - s - s) <<   n  << a.size() <<    ;     for (long i = 0; i < a.size(); cout << a[i] <<    , ++i)       ;   }   