Submission #576723

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
576723	2022-06-13 10:51:39	InternetPerson10	Stranded Far From Home (BOI22_island)	C++17	100 / 100	125 ms	9224 KiB

island

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#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
vector<int> nums;
vector<bool> ans;
vector<pair<int, pair<int, int>>> pairs;
struct dsu {
    vector<ll> par, siz;
    dsu(int n) {
        par.resize(n);
        siz.resize(n);
        for(int i = 0; i < n; i++) {
            par[i] = i;
            siz[i] = nums[i];
        }
    }
    int get(int x) {
        if(x == par[x]) return x;
        if(ans[par[x]] == 0) ans[x] = 0;
        get(par[x]);
        if(ans[par[x]] == 0) ans[x] = 0;
        return par[x] = get(par[x]);
    }
    ll getsiz(int x) {
        return siz[get(x)];
    }
    bool unite(int x, int y) {
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 30 / 30
• Subtask 5: 35 / 35