#include "interactive.h"
#include <bits/stdc++.h>
#define all(v) begin(v),end(v)
using namespace std;
vector<int> guess(int n) {
int xn = ask(n);
vector<int> ms[7][2];
for (int b = 0; b < 7; b++) {
vector<int> v;
for (int i = 1; i < n; i++) if (i >> b & 1) v.push_back(i);
auto A = get_pairwise_xor(v);
v.push_back(n);
auto B = get_pairwise_xor(v);
sort(all(A)), sort(all(B));
ms[b][1].resize(B.size() - A.size());
set_difference(all(B), all(A), ms[b][1].begin());
for (int &x: ms[b][1]) x ^= xn;
}
vector<int> tot;
for (int b = 0; b < 7; b++)
for (int x: ms[b][1])
tot.push_back(x);
sort(all(tot)), tot.erase(unique(all(tot)), tot.end());
for (int b = 0; b < 7; b++)
set_difference(all(tot), all(ms[b][1]), ms[b][0].begin());
vector<int> ans;
for (int i = 1; i < n; i++) {
vector<int> cur = tot;
for (int b = 0; b < 7; b++) {
vector<int> tmp;
set_intersection(all(cur), all(ms[b][i >> b & 1]), back_inserter(tmp));
cur = tmp;
}
assert (cur.size() == 1);
ans.push_back(cur[0]);
}
ans.push_back(xn);
return ans;
}
