Submission #255535

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
255535	2020-08-01 07:58:09	oolimry	Synchronization (JOI13_synchronization)	C++14	100 / 100	372 ms	26360 KiB

synchronization

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#include <bits/stdc++.h>
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()
using namespace std;
typedef pair<int,int> ii;
int n, m, Q;
ii edges[100005];
bool open[100005];
vector<int> adj[100005];
int low[100005];
int high[100005];
int cnt = 0;
int p[100005][20];
void dfs(int u, int P){
  p[u][0] = P;
  for(int i = 1;i <= 19;i++) p[u][i] = p[p[u][i-1]][i-1];
  low[u] = cnt; high[u] = cnt; cnt++;
  
  for(int v : adj[u]){
    if(v == P) continue;
    dfs(v, u);
    high[u] = max(high[u], high[v]);
  }
}
int tree[200010];
void update(int l, int r, int v){
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40