Submission #991895

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
991895	2024-06-03 10:39:22	MarwenElarbi	Mergers (JOI19_mergers)	C++17	100 / 100	1335 ms	260016 KiB

mergers

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#include<bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#define fi first
#define se second
#define ll long long
#define pb push_back
const int nax=5e5+5;
vector<int> adj[nax];
set<int> stl[nax];
vector<int> sz(nax);
vector<int> sum(nax);
vector<int> s(nax);
vector<int> colours(nax);
int ans=0;
vector<int> parent(nax);
vector<int> adj2[nax];
vector<bool> vis(nax);
int find(int x){
    if(parent[x]==x) return x;
    return parent[x]=find(parent[x]);
}
bool sameset(int x,int y){
    return find(x)==find(y);
}
void joinset(int x,int y){
    x=find(x);
    y=find(y);
    parent[x]=y;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 24 / 24
• Subtask 3: 14 / 14
• Subtask 4: 22 / 22
• Subtask 5: 30 / 30