Submission #944578

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
944578	2024-03-13 01:10:07	irmuun	Race (IOI11_race)	C++17	100 / 100	1716 ms	79688 KiB

race

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#include<bits/stdc++.h>
 
using namespace std;
 
#define ll long long
#define pb push_bacK
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()
 
const ll maxn=2e5+5;
 
int n=0;
set<pair<int,int> >adj[maxn];
vector<ll>sz(maxn),d(maxn);
 
void calc(int x,int p){
    n++;
    sz[x]=1;
    for(auto [y,w]:adj[x]){
        if(y!=p){
            calc(y,x);
            sz[x]+=sz[y];
        }
    }
}
 
int centroid(int x,int p){
    for(auto [y,w]:adj[x]){
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57