func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     while (cin >> n) {       int m = n % 4;       cout << (m == 0 || m == 3 ? 0 : 1) << endl << n / 2 <<    ;       for (int i = n; i >= 4; i -= 4) cout << i - 1 <<     << i - 2 <<    ;       if (m == 2)         cout <<  1   << endl;       else if (m == 3)         cout <<  3   << endl;       else         cout << endl;     }     return 0;   }   