제출 #439473

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
4394732021-06-30 05:36:42qwerasdfzxcl분수 공원 (IOI21_parks)C++17
70 / 100
1041 ms146852 KiB
#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
struct point{
int x, y, n;
point(){}
point(int _x, int _y, int _n): x(_x), y(_y), n(_n) {}
bool operator<(const point &P) const{
if (x==P.x) return y<P.y;
return x<P.x;
}
};
struct DSU{
int path[200200];
void init(int n){
for (int i=0;i<n;i++) path[i] = i;
}
int find(int s){
if (s==path[s]) return s;
return path[s] = find(path[s]);
}
void merge(int s, int v){
int x = find(s), y = find(v);
if (x==y) return;
path[x] = y;
}
}dsu;
struct Vertex{
 
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