This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
//ali2241
using namespace std;
#define int long long
//using ll = __int128;
using ld = long double;
const int M = 10589;
const int N = 100001;
vector<int> adj[N];
int get (int a, int b, int c = -1) {
if (a == b) {
return 0;
}
int ans = -1e9;
for (int i : adj[a]) {
if (i != c)
ans = max(ans, get(i, b, a));
}
return ans + 1;
}
int fact(int n) {
if (n == 0)
return 1;
return n * fact(n - 1);
}
void fun() {
int n;
cin >> n;
for (int i = 0; i < n - 1; ++i) {
int a, b;
cin >> a >> b;
adj[a].push_back(b);
adj[b].push_back(a);
}
pair<int, vector<int>> mn = {1e9, {}};
pair<int, vector<int>> mx = {-1e9, {}};
vector<int> per;
for (int i = 1; i <= n; ++i) {
per.push_back(i);
}
for (int i = 0; i < fact(n); ++i) {
int ths = 0;
bool b = 0;
for (int i = 0; i < n; ++i) {
if (i + 1 == per[i]) {
b = 1;
continue;
}
ths += get(i + 1, per[i]);
}
if (ths < mn.first and !b) {
mn = {ths, per};
}
if (ths > mx.first and !b) {
mx = {ths, per};
}
next_permutation(per.begin(), per.end());
}
cout << mn.first << " " << mx.first << "\n";
for (int i = 0; i < n; ++i) {
cout << mn.second[i] << " ";
}
cout << "\n";
for (int i = 0; i < n; ++i) {
cout << mx.second[i] << " ";
}
}
int32_t main() {
// freopen("output.txt", "w", stdout);
// freopen("input.txt", "r", stdin);
ios::sync_with_stdio(0);
int tc = 1;
while (tc--)
fun();
}
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