Submission #972883

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
972883	2024-05-01 09:29:49	dio_2	Synchronization (JOI13_synchronization)	C++17	40 / 100	8069 ms	16916 KiB

synchronization

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#include<bits/stdc++.h>
using namespace std;
int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  
  int n, m, q;
  cin >> n >> m >> q;
  
  vector<vector<int>> g(n + 1);
  vector<pair<int, int>> kraw(n);
  vector<int> state_kraw(n); // na poczatky wszytko jest off.
  
  for(int i = 0;i < n - 1;i++){
    int a, b;
    cin >> a >> b;
    g[a].push_back(b);
    g[b].push_back(a);
    kraw[i + 1] = make_pair(a, b);
  }
  
  vector<int> dep(n + 1), tin(n + 1), tout(n + 1);
  vector<int> parent(n + 1), parent_kraw(n + 1);
  vector<int> passed_cnt(n + 1); // ile przeszlo od danej krawedzi
  vector<int> info(n + 1, 1); // ile informacij ma dane korzenie ( czyli leader DSU )
  int T = 1;
  auto dfs1 = [&](auto &&dfs1, int u, int p)->void{
    tin[u] = T++;
    for(int v : g[u]) if(v != p){
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 0 / 40