Submission #394214

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
394214	2021-04-26 06:41:33	oolimry	Meetings 2 (JOI21_meetings2)	C++17	100 / 100	840 ms	31060 KiB

meetings2

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#include <bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define sz(x) ((int) x.size())
#define show(x) cerr << #x << " is " << x << endl;
#define show2(x, y) cerr << #x << " is " << x << ", " << #y << " is " << y << endl;
typedef long long lint;
typedef pair<lint, lint> ii;
int n; 
int ans[200005];
vector<int> adj[200005];
bool cented[200005];
int sz[200005];
int dis[200005];
vector<int> nodes;
void dfs(int u, int p){
  nodes.push_back(u);
  sz[u] = 1;
  for(int v : adj[u]){
    if(cented[v] or v == p) continue;
    dis[v] = dis[u]+1;
    dfs(v, u);
    sz[u] += sz[v];
  }
}
void init(int u, int p = -1){
  dis[u] = 0;
  nodes.clear();
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 16 / 16
• Subtask 3: 80 / 80