Submission #714910

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
714910	2023-03-25 12:36:53	study	Synchronization (JOI13_synchronization)	C++17	100 / 100	752 ms	28264 KiB

synchronization

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#include <bits/stdc++.h>
using namespace std;
const int N = 1e5;
vector<int> adj[N];
int tin[N],tout[N],segt[2*N],pere[20][N],res[N],status[N],depth[N],sync[N],queries[N];
int t = 0;
void dfs(int node, int p, int d){
  tin[node] = t;
  depth[node] = d;
  t++;
  for (int i:adj[node]){
    if (i != p){
      pere[0][i] = node;
      dfs(i,node,d+1);
    }
  }
  tout[node] = t;
}
void modify(int node, int val){
  node += N;
  segt[node] += val;
  node >>= 1;
  while (node){
    segt[node] = segt[2*node]+segt[2*node+1];
    node >>= 1;
  }
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40