Submission #747164

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
747164	2023-05-23 19:09:08	Denkata	Stranded Far From Home (BOI22_island)	C++14	100 / 100	299 ms	61816 KiB

island

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#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
const int maxn = 2e5+3;
long long i,j,p,q,n,m,k;
vector <long long> s[maxn];
long long par[maxn],num[maxn],sum[maxn];
vector <long long> v[maxn];
vector <pair<long long,long long>> g[maxn];
pair <long long,long long> obh[maxn];
bool covered[maxn];
int Find(int p)
{
    if(par[p]==p)
        return p;
    return Find(par[p]);
}
void Union(int p,int q)
{
    p = Find(p);
    q = Find(q);
    if(p==q)
        return ;
    if(s[p].size()<s[q].size())
        swap(p,q);
    par[q] = p;
    sum[p] += sum[q];
    for(auto jj:s[q])
        s[p].push_back(jj);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 30 / 30
• Subtask 5: 35 / 35