Submission #396083

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
396083	2021-04-29 12:30:44	InternetPerson10	Stations (IOI20_stations)	C++17	100 / 100	1164 ms	820 KiB

stations

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#include "stations.h"
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
vector<vector<int>> adj;
vector<int> sub;
vector<int> labels;
int sub_calc(int v, int par) {
  int ans = 1;
  for(int i = 0; i < (int)adj[v].size(); i++) {
    if(adj[v][i] == par) continue;
    ans += sub_calc(adj[v][i], v);
  }
  // cout << v << ' ' << ans << '\n';
  sub[v] = ans;
  return sub[v];
}
void rec(int v, int l, int u, int par, int d) { // even: min, odd: max
  if(d%2) { 
    labels[v] = u-1;
    u--;
  }
  else {
    labels[v] = l;
    l++;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61