Submission #305073

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
305073	2020-09-22 14:08:26	Haunted_Cpp	Stations (IOI20_stations)	C++17	52.32 / 100	1178 ms	1024 KiB

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#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
const int MAX_N = 1e3 + 5;
vector<vector<int>> g(MAX_N);
int Time = -1, in[MAX_N], out[MAX_N];
void dfs(int node, int p) {
  in[node] = ++Time;
  for (auto to : g[node]) {
    if (to != p) {
      dfs(to, node);
    }
  }
  out[node] = Time;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
  Time = -1;
  g.clear(); g.resize(MAX_N);
  vector<int> labels(n);
  for (int i = 0; i < n - 1; i++) {
    g[u[i]].emplace_back(v[i]);
    g[v[i]].emplace_back(u[i]);
  }
  dfs(0, -1);
  for (int i = 0; i < n; i++) {
    labels[i] = in[i] * 1000 + out[i];
  }
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 26.3205 / 61