func_code_string: #include <bits/stdc++.h>   using namespace std;   using ll = long long;   using ld = long double;   using pll = pair<ll, ll>;   using vll = vector<ll>;   using vpll = vector<pll>;   struct d_ {     template <typename T>     d_& operator,(const T& x) {       cerr <<     << x;       return *this;     }   } d_t;   int mix[1024];   int main(void) {     ios_base::sync_with_stdio(false);     ll n;     cin >> n;     ;     fill(begin(mix), end(mix), (int)1e9 + 7);     int st = 2;     for (ll i(0); i < 10; i++) {       for (ll k(0); k < 2; k++) {         set<int> vals;         for (ll j(0); j < n; j++) {           if (j % st < st / 2 and k == 0) {             vals.insert(j);           } else if (j % st >= st / 2 and k == 1) {             vals.insert(j);           }         }         if (vals.empty()) continue;         char* sp =   ;         cout << vals.size() <<   n ;         for (auto e : vals) {           cout << sp << e + 1;           sp =    ;         }         cout << endl;         for (ll j(0); j < n; j++) {           ll vl;           cin >> vl;           ;           if (!vals.count(j)) {             mix[j] = min(mix[j], (int)vl);           }         }         cout << endl;       }       st *= 2;     }     cout <<  -1  << endl;     char* sp =   ;     for (ll i(0); i < n; i++) {       cout << sp << mix[i];       sp =    ;     }     return 0;   }   