func_code_string: #include <bits/stdc++.h>   using namespace std;   const int maxn = 1005;   int n;   vector<int> point[2];   vector<pair<long long, int> > area[2], vec[4];   long long query(int type, int i, int j, int k) {     printf( %d %d %d %d n , type, i, j, k);     fflush(stdout);     long long res;     scanf( %lld , &res);     return res;   }   int main() {     scanf( %d , &n);     for (int i = 3; i <= n; i++) {       if (query(2, 1, 2, i) < 0)         point[0].emplace_back(i);       else         point[1].emplace_back(i);     }     for (int i = 0; i < point[0].size(); i++)       area[0].emplace_back(make_pair(query(1, 1, 2, point[0][i]), point[0][i]));     for (int i = 0; i < point[1].size(); i++)       area[1].emplace_back(make_pair(query(1, 1, 2, point[1][i]), point[1][i]));     pair<long long, int> L, R;     for (int i = 0; i < area[0].size(); i++) L = max(L, area[0][i]);     for (int i = 0; i < area[1].size(); i++) R = max(R, area[1][i]);     for (int i = 0; i < point[0].size(); i++) {       if (point[0][i] == L.second) continue;       if (query(2, 1, L.second, point[0][i]) < 0)         vec[0].push_back(area[0][i]);       else         vec[1].push_back(area[0][i]);     }     for (int i = 0; i < point[1].size(); i++) {       if (point[1][i] == R.second) continue;       if (query(2, 1, R.second, point[1][i]) < 0)         vec[2].emplace_back(area[1][i]);       else         vec[3].emplace_back(area[1][i]);     }     for (int i = 0; i <= 3; i++) sort(vec[i].begin(), vec[i].end());     printf( 0 1  );     for (int i = 0; i < vec[0].size(); i++) printf( %d  , vec[0][i].second);     if (L.second) printf( %d  , L.second);     for (int i = vec[1].size() - 1; i >= 0; i--) printf( %d  , vec[1][i].second);     printf( 2  );     for (int i = 0; i < vec[2].size(); i++) printf( %d  , vec[2][i].second);     if (R.second) printf( %d  , R.second);     for (int i = vec[3].size() - 1; i >= 0; i--) printf( %d  , vec[3][i].second);     printf(  n );     fflush(stdout);   }   