結果
問題 | No.1477 Lamps on Graph |
ユーザー |
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提出日時 | 2024-04-23 17:45:02 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 888 ms / 2,000 ms |
コード長 | 2,416 bytes |
コンパイル時間 | 4,014 ms |
コンパイル使用メモリ | 96,556 KB |
実行使用メモリ | 65,168 KB |
最終ジャッジ日時 | 2024-10-15 18:22:47 |
合計ジャッジ時間 | 26,606 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 38 |
ソースコード
import java.io.*;import java.util.*;import java.util.function.*;import java.util.stream.*;public class Main {public static void main(String[] args) throws Exception {Scanner sc = new Scanner();int n = sc.nextInt();int m = sc.nextInt();int[] values = new int[n];List<List<Integer>> graph = new ArrayList<>();for (int i = 0; i < n; i++) {values[i] = sc.nextInt();graph.add(new ArrayList<>());}for (int i = 0; i < m; i++) {int a = sc.nextInt() - 1;int b = sc.nextInt() - 1;if (values[a] < values[b]) {graph.get(a).add(b);} else if (values[a] > values[b]) {graph.get(b).add(a);}}boolean[] isOn = new boolean[n];int k = sc.nextInt();while (k-- > 0) {isOn[sc.nextInt() - 1] = true;}PriorityQueue<Integer> queue = new PriorityQueue<>((a, b) -> values[a] - values[b]);for (int i = 0; i < n; i++) {queue.add(i);}List<Integer> ans = new ArrayList<>();while (queue.size() > 0) {int idx = queue.poll();if (isOn[idx]) {ans.add(idx + 1);for (int x : graph.get(idx)) {isOn[x] ^= true;}}}System.out.println(ans.size());System.out.println(ans.stream().map(x -> x.toString()).collect(Collectors.joining("\n")));}}class Scanner {BufferedReader br;StringTokenizer st = new StringTokenizer("");StringBuilder sb = new StringBuilder();public Scanner() {try {br = new BufferedReader(new InputStreamReader(System.in));} catch (Exception e) {}}public int nextInt() {return Integer.parseInt(next());}public long nextLong() {return Long.parseLong(next());}public double nextDouble() {return Double.parseDouble(next());}public String next() {try {while (!st.hasMoreTokens()) {st = new StringTokenizer(br.readLine());}} catch (Exception e) {e.printStackTrace();} finally {return st.nextToken();}}}