結果

問題 No.2431 Viral Hotel
ユーザー tentententen
提出日時 2023-08-26 12:20:16
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 3,395 bytes
コンパイル時間 3,322 ms
コンパイル使用メモリ 92,300 KB
実行使用メモリ 87,988 KB
最終ジャッジ日時 2023-08-26 12:21:04
合計ジャッジ時間 31,338 ms
ジャッジサーバーID
(参考情報)
judge15 / judge13
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 WA -
testcase_01 WA -
testcase_02 WA -
testcase_03 WA -
testcase_04 WA -
testcase_05 WA -
testcase_06 WA -
testcase_07 AC 546 ms
65,512 KB
testcase_08 AC 474 ms
65,408 KB
testcase_09 AC 44 ms
49,684 KB
testcase_10 WA -
testcase_11 WA -
testcase_12 WA -
testcase_13 WA -
testcase_14 WA -
testcase_15 WA -
testcase_16 WA -
testcase_17 WA -
testcase_18 WA -
testcase_19 WA -
testcase_20 WA -
testcase_21 WA -
testcase_22 WA -
testcase_23 WA -
testcase_24 WA -
testcase_25 WA -
testcase_26 WA -
testcase_27 WA -
testcase_28 WA -
testcase_29 WA -
testcase_30 WA -
testcase_31 WA -
testcase_32 WA -
testcase_33 WA -
testcase_34 AC 148 ms
55,284 KB
testcase_35 WA -
testcase_36 WA -
testcase_37 WA -
testcase_38 WA -
testcase_39 AC 43 ms
49,576 KB
testcase_40 AC 42 ms
49,568 KB
testcase_41 AC 43 ms
49,656 KB
testcase_42 AC 45 ms
49,572 KB
testcase_43 WA -
testcase_44 WA -
testcase_45 WA -
権限があれば一括ダウンロードができます

ソースコード

diff #

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();
    }
    
}
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