Submission #379432

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
379432	2021-03-18 08:57:10	reymontada61	Synchronization (JOI13_synchronization)	C++14	100 / 100	2577 ms	28268 KiB

synchronization

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#include <bits/stdc++.h>
using namespace std;
int n, m, q;
const int MXN = 100005, MXK = 20;
vector<int> adj[MXN];
int par[MXN][MXK];
int eda[MXN], edb[MXN];
int depth[MXN];
int st_start[MXN], st_end[MXN];
int ti = 1;
void dfs(int node, int pa, int dep) {
  depth[node] = dep;
  par[node][0] = pa;
  st_start[node] = ti;
  ti++;
  for (int i=1; i<MXK; i++) {
    par[node][i] = par[par[node][i-1]][i-1];
  }
  for (auto x: adj[node]) {
    if (x == pa) continue;
    dfs(x, node, dep+1);
  }
  st_end[node] = ti;
  ti++;
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40