#include "interactive.h"
#include <bits/stdc++.h>
using namespace std;
vector <int> ans;
vector<int> contains(vector<int> q) {
if (q.size() == 0) return {};
vector<int> qf = q;
qf.push_back(1);
auto res1 = get_pairwise_xor(qf);
auto res2 = get_pairwise_xor(q);
multiset<int> gg;
for (auto x : res1) gg.insert(x);
for (auto x : res2) gg.erase(gg.find(x));
gg.erase(gg.find(0));
vector<int> res;
map<int, int> cnt_gg;
for (auto x : gg) {
cnt_gg[x]++;
}
for (auto x : cnt_gg) {
for (int i = 0; i < x.second; i+= 2) {
res.push_back(x.first ^ ans[1]);
}
}
// cerr << res.size() << " " << q.size() << endl;
assert(res.size() == q.size());
return res;
}
vector<int> guess(int n) {
ans.resize(n + 1);
ans[1] = ask(1);
vector<int> questions[7], answers[7];
map<int, int> id;
for (int i = 2; i <= n; i++) {
for (int j = 0; j < 7; j++) if ((1 << j) & i) {
questions[j].push_back(i);
}
}
for (int j = 0; j < 7; j++) {
answers[j] = contains(questions[j]);
for (int x : answers[j]) {
id[x] ^= (1 << j);
}
}
for (auto x : id) {
ans[x.second] = x.first;
}
vector<int> fix_ans(ans.begin() + 1, ans.end());
return fix_ans;
}
