제출 #885485

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
885485	2023-12-09 20:22:49	epicci23	기지국 (IOI20_stations)	C++17	100 / 100	612 ms	1652 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;
#define pb push_back
#define sz(x) ((int)(x).size())
typedef long long ll;
vector<int> v[1005];
int ti=0,ttin[1005],ttout[1005],depth[1005];
void dfs(int c,int p){
  depth[c]=depth[p]^1;
  ttin[c]=++ti;
  for(int x:v[c]){
    if(x==p) continue;
    dfs(x,c);
  }
  ttout[c]=++ti;
}
  
vector<int> label(int n,int k,vector<int> u,vector<int> w){
  depth[0]=ti=0;
  for(int i=0;i<n;i++) v[i].clear();  
  vector<int> res(n);
  for(int i=0;i<sz(u);i++){
    v[u[i]].pb(w[i]);
    v[w[i]].pb(u[i]);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

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