#include "stations.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
const int N = 1e3+3;
const int inf = 1e9;
int ans[N], timer;
vector<vector<int>> adj(N);
void dfs(int x, int par) {
for(int y : adj[x]) {
if(y==par) continue;
dfs(y, x);
}
ans[x] = timer++;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
timer = 0;
for(int i = 0; i < n-1; i++) {
adj[u[i]].push_back(v[i]), adj[v[i]].push_back(u[i]);
}
for(int i = 0; i < n; i++) {
if(adj[i].size()==1) {
dfs(i, -1);
break;
}
}
std::vector<int> labels(n);
for(int i = 0; i < n; i++) labels[i] = ans[i];
return labels;
}
int find_next_station(int s, int t, std::vector<int> c) {
if(s > t) return c[0];
else return c[c.size()-1];
}
