제출 #966727

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
966727	2024-04-20 09:07:52	penguin133	자매 도시 (APIO20_swap)	C++17	13 / 100	257 ms	39760 KiB

swap

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#include <bits/stdc++.h>
using namespace std;
#include "swap.h"
//#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
 
vector <int> waiting[200005];
int par[200005], val[200005], deg[200005], good[200005], up[20][200005], dep[200005];
int cnt = 1;
pi adj[200005];
int getr(int x){return par[x] == x ? x : par[x] = getr(par[x]);}
void merge(int a, int b, int c){
  a = getr(a); b = getr(b);
  if(a == b)return;
  par[a] = par[b] = up[0][a] = up[0][b] = par[cnt];
  if((int)waiting[a].size() < (int)waiting[b].size())swap(a, b);
  swap(waiting[cnt], waiting[a]);
  for(auto j : waiting[b])waiting[cnt].push_back(j);
  val[cnt] = c;
  adj[cnt] = {a, b};
  good[cnt] = 1;
  cnt++;
}
 
 
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