제출 #719353

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
7193532023-04-05 19:31:24mseebacher기지국 (IOI20_stations)C++17
0 / 100
920 ms652 KiB
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
#define MAXI (int)1e3+10
vector<int> ad[MAXI];
vector<int> labels;
int tiefe = 0;
void dfs(int x,int e){
labels[x] = tiefe++;
for(auto s: ad[x]){
if(s == e) continue;
dfs(s,x);
}
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
labels.assign(n,0);
for(int i = 0;i<MAXI;i++) ad[i].clear();
for(int i = 0;i<n-1;i++){
ad[u[i]].push_back(v[i]);
ad[v[i]].push_back(u[i]);
}
for(int i = 0;i<n;i++){
if(ad[i].size() == 1) {
dfs(i,-1);
 
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