Submission #722890

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
722890	2023-04-13 04:47:38	The_Samurai	Stranded Far From Home (BOI22_island)	C++17	10 / 100	1072 ms	23808 KiB

island

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#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2")
#include "bits/stdc++.h"
using namespace std;
using ll = long long;
int INF = 2e9;
int n, m, mx;
vector<vector<int>> g;
vector<bool> vis;
vector<int> a;
bool check(int i) {
    int sum = a[i];
    if (sum >= mx) return true;
    priority_queue<pair<int, int>> pq;
    set<int> st = {i};
    vector<int> way = {i};
    for (int u : g[i]) {
        st.insert(u);
        pq.push({-a[u], u});
    }
    while (!pq.empty()) {
        auto [need, u] = pq.top();
        pq.pop();
        need = -need;
        if (sum < need) break;
        way.emplace_back(u);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 30
• Subtask 5: 0 / 35