#include "machine.h"
#include <bits/stdc++.h>
using namespace std;
#define sz(x) (int)(x.size())
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define cmin(a, b) a = min(a, b)
#define cmax(a, b) a = max(a, b)
bool works(vector<int> &a, vector<int> &b, int x) {
vector<int> c;
for (auto u: b) c.pb(x^u);
sort(all(c));
return (a==c);
}
vector<bool> ok(256, 0);
vector<int> find_permutation(int n) {
vector<int> a(n), p(n); iota(all(a), 1); a.back()+=2;
vector<int> b=use_machine(a);
int xr=0;
for (int x=0; x<256; x++) if (works(a, b, x)) { xr=x; break; }
for (int i=0; i<n; i++) p[i]=xr^b[i];
for (auto &u: p) u--;
p[max_element(all(p))-p.begin()]-=2;
return p;
}
