Submission #381709

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
381709	2021-03-25 18:11:27	b00n0rp	Stations (IOI20_stations)	C++17	100 / 100	1132 ms	1376 KiB

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#include<bits/stdc++.h>
#include "stations.h"
using namespace std;
#define vi vector<int>
#define pb push_back
#define REP(i,n) for(int i = 0; i < n; i ++)
#define FOR(i,a,b) for(int i = a; i < b; i ++)
const int MAXN = 1005;
int st[MAXN],fin[MAXN],dep[MAXN],tim = 0;
vi adj[MAXN];
void dfs(int u,int p,int d){
  if(d%2 == 0) st[u] = tim++;
  dep[u] = d;
  for(auto v:adj[u]){
    if(v != p) dfs(v,u,d+1);
  }
  if(d%2 == 1) fin[u] = tim++;
}
vi label(int n, int k, vi u, vi v){
  tim = 0;
  REP(i,n) adj[i].clear();
  vi labels(n);
  REP(i,n-1){
    adj[u[i]].pb(v[i]);
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61