Submission #784770

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
784770	2023-07-16 13:49:00	TheSahib	Stranded Far From Home (BOI22_island)	C++14	100 / 100	556 ms	83908 KiB

island

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#include <bits/stdc++.h>
#define ll long long
#define oo 1e9
#define pii pair<int, int>
using namespace std;
const int MAX = 2e5 + 5;
int n, m;
vector<int> g[MAX];
int arr[MAX];
int par[MAX];
set<int> st[MAX];
ll sum[MAX];
int findPar(int node){
    if(par[node] < 0) return node;
    return par[node] = findPar(par[node]);
}
bool unite(int v, int u){
    v = findPar(v);
    u = findPar(u);
    if(v == u) return false;
    if(-par[v] < -par[u]) swap(v, u);
    par[v] += par[u];
    par[u] = v;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 30 / 30
• Subtask 5: 35 / 35