제출 #814328

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
814328	2023-08-08 06:52:44	PixelCat	분수 공원 (IOI21_parks)	C++17	15 / 100	270 ms	26424 KiB

parks

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#include "parks.h"
#ifdef NYAOWO
#include "grader.cpp"
#endif
#include <bits/stdc++.h>
#define For(i, a, b) for(int i = a; i <= b; i++)
#define Forr(i, a, b) for(int i = a; i >= b; i--)
#define F first
#define S second
#define sz(x) ((int)x.size())
#define all(x) x.begin(), x.end()
#define eb emplace_back
// #define int LL
using namespace std;
using i32 = int32_t;
using LL = long long;
using pii = pair<int, int>;
const int MAXN = 200'000;
struct DSU {
    int p[MAXN + 10];
    void init() {
        memset(p, -1, sizeof(p));
    }
    int find(int n) {
        if(p[n] < 0) return n;
        return p[n] = find(p[n]);
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 0 / 15
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• Subtask 5: 0 / 20
• Subtask 6: 0 / 30