Submission #968661

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
968661	2024-04-23 19:53:58	Lecorbio	Synchronization (JOI13_synchronization)	C++17	100 / 100	309 ms	26964 KiB

synchronization

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#include <bits/stdc++.h>
#define fi first
#define se second
#define sajz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
const int N = 1e5+7, P = 20, B = 1<<17;
int n, m, q, timer = -1, dist[N], tin[N], tout[N], up[N][P], val[N], last[N], tree[B*2];
pair<int,int> edge[N];
vector<int> g[N];
bool active[N];
void dfs(int v, int par){
  tin[v] = ++timer;
  val[v] = 1;
  up[v][0] = par;
  for (int i=1; i<P; i++) up[v][i] = up[up[v][i-1]][i-1];
  for (auto u : g[v]){
    if (u == par) continue;
    dist[u] = dist[v] + 1;
    dfs(u, v);
  }
  tout[v] = timer;
}
void update(int v, int a, int b, int p, int k, int x){
  if (a > k || b < p) return;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40