func_code_string: #include <bits/stdc++.h>   using namespace std;   vector<int> XandY, XXX, YYY;   int NOseg;   int query(int x, int y) {     cout << 0 <<     << x <<     << y << endl;     int ret;     cin >> ret;     return ret;   }   void SOLVE(int l, int r) {     if (l > r) return;     int mid = (l + r) / 2;     int x = query(mid, mid);     if (x == 0)       XandY.push_back(mid), x = 1;     else       NOseg = mid;     SOLVE(l, mid - x);     SOLVE(mid + x, r);   }   void solve() {     SOLVE(-100000000, 100000000);     for (int k : XandY) {       if (query(NOseg, k) == 0) YYY.push_back(k);       if (query(k, NOseg) == 0) XXX.push_back(k);     }   }   int main() {     solve();     cout <<  1   << XXX.size() <<     << YYY.size() << endl;     for (int x : XXX) cout << x <<    ;     cout << endl;     for (int y : YYY) cout << y <<    ;     cout << endl;   }   