#include "interactive.h"
#include "bits/stdc++.h"
using namespace std;
vector<int> guess(int n) {
map<int, int> pos;
int x = ask(1);
pos[x] = 1;
for (int i = 0; i < 7; i++) {
vector<int> v;
for (int j = 2; j <= n; j++) {
if (j & (1 << i)) {
v.push_back(j);
}
}
if (v.empty()) continue;
vector<int> xor1 = get_pairwise_xor(v);
multiset<int> st;
for (int k : xor1) {
if (k == 0) continue;
st.insert(k);
}
v.push_back(1);
vector<int> xor2 = get_pairwise_xor(v);
vector<int> tem;
for (int k : xor2) {
if (k == 0) continue;
auto it = st.find(k);
if (it == st.end()) {
tem.push_back(x ^ k);
} else {
st.erase(it);
}
}
for (int k : tem) {
pos[k] |= (1 << i);
}
}
vector<int> ans(n);
for (auto o : pos) {
ans[o.second - 1] = o.first;
}
return ans;
}
