제출 #701611

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
701611	2023-02-21 15:17:15	Johann	Stranded Far From Home (BOI22_island)	C++14	100 / 100	222 ms	43276 KiB

island

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define vb vector<bool>
#define vi vector<ll>
#define vpii vector<pii>
#define vvpii vector<vpii>
#define vvi vector<vi>
#define tiii tuple<int, int, int>
#define vtiii vector<tiii>
#define sz(x) ((int)(x).size())
#define all(x) begin(x), end(x)
struct DSU
{
    vector<int> arr;
    vector<ll> sum;
    vvi nodes;
    void init(vi &s)
    {
        arr.resize(sz(s)), sum.resize(sz(s)), nodes.resize(sz(s));
        for (int i = 0; i < sz(s); ++i)
            arr[i] = i, sum[i] = s[i], nodes[i].push_back(i);
    }
    int find(int i)
    {
        if (arr[i] == i)
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 30 / 30
• Subtask 5: 35 / 35