Submission #374934

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
374934	2021-03-08 15:10:03	valerikk	Collapse (JOI18_collapse)	C++17	100 / 100	8719 ms	29804 KiB

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#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 7;
int dsu[N], sz[N];
int comps;
vector<int> g[N];
bool vis[N];
int added;
void dfs(int v) {
    vis[v] = 1;
    for (int u : g[v]) {
        if (!vis[u]) {
            ++added;
            dfs(u);
        }
    }
}
int get(int v) {
    return dsu[v] == v ? v : dsu[v] = get(dsu[v]);
}
void unite(int v, int u) {
    v = get(v);
    u = get(u);
    if (v == u) return;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 30 / 30
• Subtask 3: 30 / 30
• Subtask 4: 35 / 35