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 R(a) for (int i = 0; i < a; ++i)
#define RR(a) for (int j = 0; j < a; ++j)
using namespace std;
void name(vector<int> adj[], vector<int>& val, int& cont, bool even, int p, int n) {
if (!even) val[n] = cont++;
for (int a : adj[n]) {
if (a != p) name(adj, val, cont, !even, n, a);
}
if (even) val[n] = cont++;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
vector<int> adj[n];
R(n - 1) {
adj[u[i]].push_back(v[i]);
adj[v[i]].push_back(u[i]);
}
vector<int> labels(n);
int cont = 0;
name(adj, labels, cont, false, -1, 0);
return labels;
}
int find_next_station(int s, int t, vector<int> c) {
if (s == 0) {
for (int a : c) {
if (a >= t) return a;
}
}
else {
int m = c.size();
bool yea = true;
for (int a : c) {
if (a > t) {
yea = false;
break;
}
}
if (yea) {
if (c[0] + 1 <= t && t <= s) {
for (int i = 1; i < m - 1; ++i) {
if (t < c[i + 1]) return c[i];
}
return c[m - 1];
}
else return c[0];
}
else {
if (s < t && t < c[m - 1]) {
R(m - 1) {
if (t <= c[i]) return c[i];
}
}
return c[m - 1];
}
}
return -1;
}
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