結果
問題 |
No.2431 Viral Hotel
|
ユーザー |
![]() |
提出日時 | 2023-08-26 12:20:16 |
言語 | Java (openjdk 23) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,395 bytes |
コンパイル時間 | 2,715 ms |
コンパイル使用メモリ | 90,784 KB |
実行使用メモリ | 80,524 KB |
最終ジャッジ日時 | 2024-12-25 08:08:15 |
合計ジャッジ時間 | 25,467 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 * 4 |
other | AC * 4 WA * 38 |
ソースコード
import java.io.*; import java.util.*; import java.util.stream.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int k = sc.nextInt(); int m = sc.nextInt(); int pp = sc.nextInt(); ArrayList<ArrayList<Integer>> graph = new ArrayList<>(); for (int i = 0; i < n; i++) { graph.add(new ArrayList<>()); } for (int i = 0; i < m; i++) { int a = sc.nextInt() - 1; int b = sc.nextInt() - 1; graph.get(a).add(b); graph.get(b).add(a); } int[] stay = new int[n]; for (int i = 0; i < n; i++) { stay[i] = sc.nextInt(); } PriorityQueue<Path> queue = new PriorityQueue<>(); for (int i = 0; i < k; i++) { queue.add(new Path(sc.nextInt() - 1, 0, 1)); } int[] diseased = new int[n]; int[] removed = new int[n]; while (queue.size() > 0) { Path p = queue.poll(); if (removed[p.source] > 0) { continue; } if (diseased[p.idx] > 0) { if (diseased[p.idx] + pp <= p.value) { continue; } else { removed[p.idx] = p.value; continue; } } else { diseased[p.idx] = p.value; } for (int x : graph.get(p.idx)) { queue.add(new Path(x, p.idx, p.value + stay[p.idx])); } } int ans = 0; for (int x : removed) { if (x > 0) { ans++; } } System.out.println(ans); } static class Path implements Comparable<Path> { int idx; int source; int value; public Path(int idx, int source, int value) { this.idx = idx; this.source = source; this.value = value; } public int compareTo(Path another) { return value - another.value; } } } class Utilities { static String arrayToLineString(Object[] arr) { return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n")); } static String arrayToLineString(int[] arr) { return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new)); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public int[] nextIntArray() throws Exception { return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray(); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }