Submission #849868

#	Time	Username	Problem	Language	Result	Execution time	Memory
849868		12345678	Stranded Far From Home (BOI22_island)	C++17	10 / 100	386 ms	756 KiB

island

#include <bits/stdc++.h>

using namespace std;

const int nx=2e3+10;

#define ll long long

int n, m, u, v, s[nx];
vector<int> d[nx];
bool vs[nx];

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>m;
    for (int i=1; i<=n; i++) cin>>s[i];
    for (int i=1; i<=m; i++) cin>>u>>v, d[u].push_back(v), d[v].push_back(u);
    for (int i=1; i<=n; i++)
    {
        priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> pq;
        ll sz=0, cnt=0;
        for (int j=1; j<=n; j++) vs[j]=0;
        pq.push({0, i});
        while (!pq.empty())
        {
            int x=pq.top().first, y=pq.top().second;
            pq.pop();
            if (sz<x||vs[y]) continue;
            vs[y]=1;
            cnt++;
            sz+=s[y];
            for (auto nw:d[y])
            {
                //cout<<i<<' '<<sz<<' '<<nw<<' '<<s[nw]<<'\n';
                pq.push({s[nw], nw});
            }
        }
        if (cnt==n) cout<<1;
        else cout<<0;
    }
}

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