#include <bits/stdc++.h>
#include "interactive.h"
using namespace std;
#define ff first
#define ss second
vector<int> guess(int n) {
vector<int> a(n);
a[0] = ask(1);
map<int,int> ans;
for(int i = 0; (1 << i) <= n; i++) {
vector<int> p;
for(int j = 2; j <= n; j++) if(j & (1 << i)) p.push_back(j);
auto g1 = get_pairwise_xor(p);
p.push_back(1);
auto g2 = get_pairwise_xor(p);
map<int,int> mp;
for(auto x: g2) mp[x]++;
for(auto x: g1) mp[x]--;
for(auto x: mp) if(x.ss) ans[x.ff ^ a[0]] |= (1 << i);
}
for(auto x: ans) a[x.ss - 1] = x.ff;
return a;
}
