Submission #977828

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
977828	2024-05-08 11:37:19	ZHIRDILBILDIZ	Street Lamps (APIO19_street_lamps)	C++14	60 / 100	719 ms	170936 KiB

street_lamps

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#include <bits/stdc++.h>
#define fi first
#define se second
#define ll long long
#define pll pair<ll, ll>
#define pii pair<int, int>
using namespace std;
const int N = 3e5 + 10;
int p[N];
int ans[N];
set<int> qr[N];
vector<int> gr[N];
void init(int _sz) {
    for (int i = 1; i <= _sz; ++i)
        p[i] = i,
            gr[i].push_back(i);
}
void join (int u, int v, int w) {
    u = p[u];
    v = p[v];
    if (u == v)
        return;
    if (gr[u].size() + qr[u].size() > gr[v].size() + qr[v].size())
        swap(u, v);
    for (int i : gr[u]) {
        p[i] = v;
        gr[v].push_back(i);
    }
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20