Submission #744433

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
744433	2023-05-18 14:44:49	bgnbvnbv	Stranded Far From Home (BOI22_island)	C++14	100 / 100	169 ms	42304 KiB

island

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#include<bits/stdc++.h>
#define TASKNAME "codeforce"
#define pb push_back
#define pli pair<int,int>
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
using namespace std;
using ll=long long;
const ll maxN=2e5+10;
const ll inf=1e18;
const ll mod=1e9+7;
ll lab[maxN];
ll sum[maxN];
ll findset(ll x)
{
    return lab[x]<0?x:lab[x]=findset(lab[x]);
}
vector<ll>vec[maxN];
void unite(ll u,ll v,ll w)
{
    u=findset(u);
    v=findset(v);
    if(u==v) return;
    if(lab[u]>lab[v]) swap(u,v);
    if(sum[u]<w)
    {
        if(sum[v]<w)
        {
            vec[u].clear();
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 30 / 30
• Subtask 5: 35 / 35