제출 #950055

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
950055	2024-03-20 04:29:29	irmuun	슈퍼트리 잇기 (IOI20_supertrees)	C++17	100 / 100	174 ms	24292 KiB

supertrees

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#include<bits/stdc++.h>
#include "supertrees.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()
struct dsu{
    int n;
    vector<int>sz,par;
    dsu(int n):n(n){
        sz.resize(n);
        par.resize(n);
        fill(all(sz),1);
        iota(all(par),0);
    }
    int find(int x){
        if(par[x]==x) return x;
        return par[x]=find(par[x]);
    }
    void merge(int x,int y){
        x=find(x);
        y=find(y);
        if(x!=y){
            if(sz[x]<sz[y]){
 
 
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