Submission #964519

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
964519	2024-04-17 05:02:31	UmairAhmadMirza	Race (IOI11_race)	C++14	100 / 100	723 ms	43380 KiB

race

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#include <bits/stdc++.h>
using namespace std;
int const MN=200005;
map<int,int> cnt;
vector<pair<int,int>> adj[MN];
int sz[MN];
int n,k;
int ans=MN;
void dfs_sz(int node,int par=-1){
  sz[node]=1;
  for(auto i:adj[node])
    if(i.first!=par){
      dfs_sz(i.first,node);
      sz[node]+=sz[i.first];
    }
}
int total=0;
int find_centroid(int node){
  for(auto i:adj[node]){
    if(sz[i.first]*2>total){
      sz[node]-=sz[i.first];
      sz[i.first]+=sz[node];
      return find_centroid(i.first);
    }
  }
  return node;
}
void dfs(int node,int par,int w,int dep){
  if(w==k)
    ans=min(ans,dep);
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57