제출 #733429

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
733429	2023-04-30 17:12:25	speedyArda	Stranded Far From Home (BOI22_island)	C++14	100 / 100	343 ms	22084 KiB

island

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#include "bits/stdc++.h"
using namespace std;
using ll = long long;
const int MAXN = 2e5+5;
ll in[MAXN], sum[MAXN];
int par[MAXN];
bool marked[MAXN];
int find(int v)
{
    int curr_par = v;
    while(curr_par != par[curr_par])
    {
        if(marked[curr_par])
            marked[v] = true;
        curr_par = par[curr_par];
    }
    return curr_par;
}
void merge(int a, int b)
{
    a = find(a), b = find(b);
    if(a == b)
        return ;
    if(sum[a] < sum[b])
        swap(a, b);
    sum[a] += sum[b];
 
 
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• Subtask 1: 10 / 10
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• Subtask 4: 30 / 30
• Subtask 5: 35 / 35