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>
#define PB push_back
#define sz(x) ((int)x.size())
using namespace std;
vector<int> g[1000];
int tin[1000], tout[1000], tt = 0;
void dfs(int v, int p){
tin[v] = tt++;
for (int u : g[v]){
if (u == p) continue;
dfs(u, v);
}
tout[v] = tt - 1;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
// for (int i = 0; i < sz(u); i++){
// g[u[i]].PB(v[i]);
// g[v[i]].PB(u[i]);
// }
dfs(0, -1);
vector<int> labels;
labels.resize(n);
for (int i = 0; i < n; i++) {
labels[i] = tin[i] * 1000 + tout[i];
assert(labels[i] <= k);
}
return labels;
}
int find_next_station(int s, int t, std::vector<int> c) {
// int N = 1000;
//
// int tin_s = s / N;
// int tout_s = s % N;
//
// int tin_t = t / N;
// int tout_t = t % N;
//
// if (tin_s <= tin_t && tout_s >= tout_t){
// for (int v : c) {
// int tin_v = v / N;
// int tout_v = v % N;
//
// if (tin_v > tin_s && tin_v <= tin_t && tout_v >= tout_t)
// return v;
// }
// } else {
// for (int v : c)
// if (v / N < tin_s)
// return v;
// }
return c[0];
}
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