Submission #714616

#	Time	Username	Problem	Language	Result	Execution time	Memory
714616		fuad27	Stranded Far From Home (BOI22_island)	C++17	10 / 100	1078 ms	12728 KiB

island

#include<bits/stdc++.h>
using namespace std;
const int N=200'010;
int s[N];
vector<int> g[N];
int main () {
  cin.tie(0)->sync_with_stdio(0);
  int n, m;
  cin >> n >> m;
  for(int i = 0;i<n;i++)cin >> s[i];
  for(int i = 0;i<m;i++) {
    int a, b;
    cin >> a >> b;
    a--,b--;
    g[a].push_back(b);
    g[b].push_back(a);
  }
  string res="";
  for(int i = 0;i<n;i++) {
    priority_queue<pair<int,int>, vector<pair<int,int>>, greater<pair<int,int>>> pq;
    vector<bool> vis(n);
    long long sum=s[i];
    pq.push({0,i});
    vis[i]=1;
    bool check=true;
    while(pq.size()) {
      auto at=pq.top();
      pq.pop();
      if(at.first<=sum) {
        sum+=at.first;
      }
      else {
        check=false;
        break;
      }
      for(int to:g[at.second]) {
        if(!vis[to]){
          pq.push({s[to],to});
          vis[to]=1;
        }
      }
    }
    cout<<check;
  }
}

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