Submission #547929

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
547929	2022-04-12 03:22:45	fhvirus	Synchronization (JOI13_synchronization)	C++17	0 / 100	446 ms	20408 KiB

synchronization

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#include <bits/stdc++.h>
using namespace std;
const int kL = 17;
const int kN = 100'001;
int N, M, Q;
int X[kN], Y[kN];
vector<int> aj[kN];
int in[kN], ou[kN], tot;
int jp[kL][kN];
void dfs(int u, int p) {
  jp[0][u] = p;
  in[u] = ++tot;
  for (const int& v: aj[u]) {
    if (v == p) continue;
    dfs(v, u);
  }
  ou[u] = tot;
}
int val[kN];
void mo(int p, int v) {
  for (; p <= N; p += p & -p)
    val[p] += v;
}
int qu(int p) {
  int r = 0;
  for (; p > 0; p -= p & -p)
 
 
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