제출 #530470

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
530470	2022-02-25 12:39:48	hohohaha	자매 도시 (APIO20_swap)	C++17	13 / 100	139 ms	25356 KiB

swap

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#include<bits/stdc++.h>
#include <vector>
using namespace std; 
#define fori(i, a, b) for(int i = (int) (a); i <= (int) (b); i++)
#define ford(i, a, b) for(int i = (int) (a); i >= (int) (b); i--) 
#define ii pair<int, int> 
#define fi first
#define se second
#define vi vector<int> 
#define eb emplace_back
#define sp ' '
#define endl '\n'
//#define int long long
const int maxn = 2e5 + 5, inf = INT_MAX / 2; 
int n, m; 
vector<pair<int, ii> > E; 
int deg[maxn]; 
int fre[maxn];
int rt[maxn];
int dep[maxn]; 
int pe[maxn];  
vi cc[maxn]; 
int getrt(int i) { 
  if(rt[i] < 0) return i; 
  return getrt(rt[i]); 
}
 
 
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