Submission #906506

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
906506	2024-01-14 11:16:04	Nonoze	Cat Exercise (JOI23_ho_t4)	C++17	100 / 100	628 ms	88792 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
#define int long long
int n;
vector<int> parent;
vector<bool> already;
vector<vector<int>> adj;
vector<int> vaut;
vector<vector<int>> adjbase;
vector<int> depth;
vector<vector<int>> up;
//LCA
int get_lca(int a, int b) {
  if (depth[a] < depth[b]) swap(a, b);
  int k=depth[a]-depth[b];
  for (int j=19; j>=0; j--) {
    if (k & (1<<j)) {
      a=up[a][j];
    }
  }
  if (a==b) return a;
  for (int j=19; j>=0; j--) {
    if (up[a][j]!=up[b][j]) {
      a=up[a][j];
      b=up[b][j];
    }
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 7 / 7
• Subtask 3: 7 / 7
• Subtask 4: 10 / 10
• Subtask 5: 20 / 20
• Subtask 6: 23 / 23
• Subtask 7: 26 / 26