Submission #837390

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
837390	2023-08-25 10:10:31	QwertyPi	Fountain Parks (IOI21_parks)	C++17	15 / 100	963 ms	150580 KiB

parks

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#include "parks.h"
#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
using namespace std;
const int N_MAX = 2e5 + 11;
struct point{
    int x, y;
    bool operator< (const point& o) const {
        return x < o.x || (x == o.x && y < o.y);
    }
};
struct edge{
    int u, v;
};
int n;
map<point, int> mp;
vector<point> a;
struct DSU{
    int dsu[N_MAX];
    void init(int n){
        for(int i = 0; i < n; i++) dsu[i] = i;
    }
    int f(int x){ return x == dsu[x] ? x : dsu[x] = f(dsu[x]); }
    void g(int x, int y){ x = f(x), y = f(y); dsu[x] = y; }
} dsu;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30