Submission #379281

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
379281	2021-03-17 20:21:45	wind_reaper	Putovanje (COCI20_putovanje)	C++17	110 / 110	160 ms	23920 KiB

putovanje

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#include <bits/stdc++.h>
using namespace std;
const int MXN = 200001;
const int lg = 20;
vector<array<int, 3>> adj[MXN];
struct LCA{
  int up[lg][MXN];
  int tin[MXN], tout[MXN];
  int timer = 0;
  LCA(){
    dfs();
  }
  void dfs(int node = 0, int par = 0){
    tin[node] = timer++;
    up[0][node] = par;
    for(int i = 1; i < lg; i++)
      up[i][node] = up[i-1][up[i-1][node]];
    for(auto& [v, c1, c2] : adj[node]){
      if(v == par) continue;
      dfs(v, node);
    }
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 25 / 25
• Subtask 3: 65 / 65