제출 #722933

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
722933		yahyobekabdunazarov	Stranded Far From Home (BOI22_island)	C++17	0 / 100	1080 ms	12436 KiB

island

#include <bits/stdc++.h>
#define ff first
#define ss second
using namespace std;
const int MAX_N = 2e5 + 9;
vector<int> adj[MAX_N], weights(MAX_N);

bool visited[MAX_N];
priority_queue <pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> pq;
void add_children(int u){
	for(int i: adj[u]){
		if(visited[i]) continue;
		pq.push(make_pair(weights[i], i)); 
	}
}
int main() {
    int n, m, right = 0;
    cin >> n >> m;
    for(int i = 1; i <= n; i++){
		cin >> weights[i];
		right += weights[i];
	}
    for(int i = 0; i < m; i++){
		int x, y;
		cin >> x >> y;
		adj[y].push_back(x);
		adj[x].push_back(y);
	}
	for(int i = 1; i <= n; i++){
		int sum = weights[i];
		visited[i] = 1;
		add_children(i);
		while(!pq.empty() && pq.top().ff <= sum){			
			visited[pq.top().ss] = 1;
			sum += pq.top().ff;
			pq.pop();
			add_children(pq.top().ss);
		}
		cout << (sum == right);
		pq = priority_queue <pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>>();
		fill(visited, visited + MAX_N, false);
		
	}
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 30
• Subtask 5: 0 / 35