Submission #1062707

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1062707	2024-08-17 09:56:40	jamjanek	Stations (IOI20_stations)	C++14	100 / 100	656 ms	1052 KiB

stations

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
vector<int>graf[1010];
int pre[1010], it=-1, post[1010];
int dep[1010];
int czyost[1010];
void dfs(int x, int o){
  dep[x] = dep[o]+1;
  pre[x] = ++it;
  if(graf[x].size())
    czyost[graf[x].back()] = 1;
  for(auto j: graf[x])
    if(j!=o)
      dfs(j, x);
  //if(czyost[x])
  it++;
  post[x] = it;
}
vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
  int i;
  dep[0] = 0;
  for(i=0;i<n;i++)graf[i].clear();
  for(i=0;i<n;i++)czyost[i] = 0;
  for(i=0;i<n-1;i++){
    graf[u[i]].push_back(v[i]);
    graf[v[i]].push_back(u[i]);
  }
  it= -1;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61