Submission #609800

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
609800	2022-07-27 22:34:29	daria	Stations (IOI20_stations)	C++14	10 / 100	926 ms	544 KiB

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#include"bits/stdc++.h"
#include "stations.h"
#include <vector>
using namespace std;
const int N = 1000;
int T;
vector<int> adj[N], lb;
void dfs(int s){
 if(lb[s]!=-1) return;
 lb[s] = T*N; T++;
 for(auto u : adj[s]) dfs(u);
 lb[s] += T;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
 for(int i=0; i<N; ++i) adj[i].clear();
 lb.resize(N);
 fill(lb.begin(), lb.end(), -1);
 T = 0;
 for(int i=0; i<n-1; ++i){
  adj[u[i]].push_back(v[i]);
  adj[v[i]].push_back(u[i]);
 }
 dfs(0);
 lb.resize(n);
/* for(int i=0; i<n; ++i)
 
 
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