제출 #444598

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
444598	2021-07-14 10:49:13	nonsensenonsense1	자매 도시 (APIO20_swap)	C++17	100 / 100	496 ms	48368 KiB

swap

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#include "swap.h"
#include <cstring>
#include <utility>
#include <vector>
#include <algorithm>
const int INF = 0x3f3f3f3f;
void mnm(int &a, int b) 
{
  if (a > b) a = b;
}
void mxm(int &a, int b) 
{
  if (a < b) a = b;
}
struct dsu {
  dsu *p;
  int size;
  bool over;
  std::vector<int> v;
  dsu() {
    over = false;
    p = 0;
    size = 1;
  }
  dsu *find() {
    if (p) return p = p->find();
 
 
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