Submission #350219

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
350219	2021-01-19 04:21:51	amunduzbaev	Stations (IOI20_stations)	C++14	100 / 100	1140 ms	1504 KiB

stations

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#include "stations.h"
 
#ifndef EVAL
#include "stub.cpp"
#endif
 
#include <bits/stdc++.h>
using namespace std;
#define sz(x) (int)x.size()
#define pb push_back
#define all(x) x.begin(), x.end()
 
const int NN = 1e3+5;
 
vector<int> edges[NN];
int tim;
vector<int> val;
 
void dfs(int u, int t, int p){
  if(t) val[u] = ++tim;
  for(auto x:edges[u]){
    if(x == p) continue;
    dfs(x, (t ? 0 : 1), u);
  }
  if(!t) val[u] = ++tim;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
  for(int i=0;i<n;i++) edges[i].clear();
  val.clear();
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61