Submission #431256

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
431256	2021-06-17 10:32:53	Pbezz	Connecting Supertrees (IOI20_supertrees)	C++14	0 / 100	1 ms	204 KiB

supertrees

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#include "supertrees.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
typedef pair<ll,ll> pii;
const ll MAXN = 2e5+5;
int parent[MAXN],sizee[MAXN];
int find(ll x){
if(x==parent[x])return x;
return parent[x]=find(parent[x]);
}
void unite(ll a, ll b){
a = find(a);
b = find(b);
if(a==b)return;
if(sizee[a]<sizee[b])swap(a,b);
sizee[a]+=sizee[b];
parent[b]=a;
}
int construct(std::vector<std::vector<int>> p) {
 
 
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• Subtask 6: 0 / 4