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 "stations.h"
#include <bits/stdc++.h>
using namespace std;
int mom=0;
void dfs(int v, int p, vector<vector<int> >& adi, vector<int>& label){
label[v]=mom;
mom++;
for(auto u: adi[v]){
if(u==p) continue;
dfs(u, v, adi, label);
}
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
vector<vector<int> > adi(n);
for(int i=0; i<n-1; i++){
adi[v[i]].push_back(u[i]);
adi[u[i]].push_back(v[i]);
}
vector<int> labels(n, 0);
dfs(0, -1, adi, labels);
return labels;
}
int find_next_station(int s, int t, vector<int> c) {
//sort(c.begin(), c.end());
int next=c[0];
for(auto u: c){
if(u<=t){
next=u;
}
}
return next;
}
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