Submission #446965

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
446965	2021-07-24 05:49:35	blue	Fountain Parks (IOI21_parks)	C++17	100 / 100	1308 ms	73640 KiB

parks

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#include "parks.h"
#include <vector>
#include <set>
#include <algorithm>
#include <cstdio>
#include <iostream>
using namespace std;
const int maxN = 200'000;
int N;
vector<int> X, Y;
vector<int> fountain_edge[maxN];
vector<int> fountain_visit(maxN, 0);
int visit_count = 0;
void fountain_dfs(int u)
{
    fountain_visit[u] = 1;
    visit_count++;
    for(int v: fountain_edge[u])
    {
        if(fountain_visit[v]) continue;
        fountain_dfs(v);
    }
}
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 20 / 20
• Subtask 5: 20 / 20
• Subtask 6: 30 / 30