제출 #722934

#제출 시각아이디문제언어결과실행 시간메모리
722934drdilyorStranded Far From Home (BOI22_island)C++17
10 / 100
1073 ms14556 KiB
#include<bits/stdc++.h> using namespace std; using ll = long long; int main() { int n, m; cin >> n >> m; vector s(n, 0); for (int& i : s) cin >> i; vector<vector<int>> adj(n); for (int i = 0; i < m ;i++) { int u, v; cin >> u >> v; u--;v--; adj[u].push_back(v); adj[v].push_back(u); } string res(n, '0'); for (int i = 0; i < n;i++) { vector<int> vis(n); set<pair<int,int>> st; st.emplace(0, i); vis[i]= 1; ll sum = s[i]; while (st.size()) { auto [w, i] = *st.begin(); if (sum < w) break; st.erase(st.begin()); sum += w; for (int e : adj[i]) { if (!vis[e]) vis[e] = 1, st.emplace(s[e], e); } } res[i] |= st.empty(); } cout << res << '\n'; }
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