Submission #308707

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
308707	2020-10-01 17:40:35	lacito	Stations (IOI20_stations)	C++14	100 / 100	1210 ms	1028 KiB

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#include "stations.h"
#include <algorithm>
#include <vector>
using namespace std;
vector<vector<int>> g;
vector<int> intime, outtime, depth;
int time;
void dfs(int v) {
    intime[v] = time++;
    for (int x : g[v])
        if (intime[x] == -1) {
            depth[x] = depth[v] + 1;
            dfs(x);
        }
    outtime[v] = time++;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
  g.assign(n, {});
  intime.assign(n, -1);
  outtime.assign(n, -1);
  depth.assign(n, 0);
  for (int i = 0; i < n - 1; i++) {
        g[u[i]].push_back(v[i]);
        g[v[i]].push_back(u[i]);
  }
  time = 0;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61