結果

問題 No.2387 Yokan Factory
ユーザー tentententen
提出日時 2023-07-24 11:15:41
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 3,285 bytes
コンパイル時間 3,629 ms
コンパイル使用メモリ 92,428 KB
実行使用メモリ 87,492 KB
最終ジャッジ日時 2024-04-08 13:27:13
合計ジャッジ時間 27,950 ms
ジャッジサーバーID
(参考情報)
judge13 / judge11
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 AC 55 ms
52,104 KB
testcase_01 AC 56 ms
54,116 KB
testcase_02 AC 56 ms
54,156 KB
testcase_03 AC 58 ms
54,148 KB
testcase_04 AC 56 ms
54,156 KB
testcase_05 AC 58 ms
54,112 KB
testcase_06 AC 56 ms
52,144 KB
testcase_07 AC 56 ms
54,196 KB
testcase_08 AC 56 ms
54,176 KB
testcase_09 AC 55 ms
54,132 KB
testcase_10 AC 59 ms
54,116 KB
testcase_11 AC 56 ms
54,172 KB
testcase_12 AC 57 ms
54,132 KB
testcase_13 AC 57 ms
54,144 KB
testcase_14 AC 56 ms
54,152 KB
testcase_15 AC 1,127 ms
77,272 KB
testcase_16 AC 782 ms
75,544 KB
testcase_17 AC 1,940 ms
87,492 KB
testcase_18 AC 1,732 ms
79,124 KB
testcase_19 WA -
testcase_20 WA -
testcase_21 AC 2,134 ms
73,964 KB
testcase_22 WA -
testcase_23 AC 3,150 ms
72,196 KB
testcase_24 AC 1,010 ms
69,084 KB
testcase_25 WA -
testcase_26 WA -
testcase_27 WA -
testcase_28 AC 140 ms
55,900 KB
testcase_29 AC 161 ms
56,808 KB
testcase_30 AC 155 ms
56,028 KB
testcase_31 AC 139 ms
55,936 KB
testcase_32 AC 119 ms
55,536 KB
testcase_33 AC 117 ms
55,772 KB
testcase_34 AC 153 ms
56,088 KB
testcase_35 AC 158 ms
56,076 KB
testcase_36 AC 114 ms
55,552 KB
testcase_37 AC 56 ms
54,152 KB
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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 m = sc.nextInt();
        long limit = sc.nextLong();
        ArrayList<ArrayList<Path>> 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;
            int c = sc.nextInt();
            int d = sc.nextInt();
            graph.get(a).add(new Path(b, c, d));
            graph.get(b).add(new Path(a, c, d));
        }
        int left = -1;
        int right = Integer.MAX_VALUE / 2;
        PriorityQueue<Path> queue = new PriorityQueue<>();
        long[] costs = new long[n];
        while (right - left > 1) {
            int mm = (left + right) / 2;
            queue.add(new Path(0, 0, mm));
            Arrays.fill(costs, Long.MAX_VALUE);
            while (queue.size() > 0) {
                Path p = queue.poll();
                if (costs[p.idx] <= p.value) {
                    continue;
                }
                costs[p.idx] = p.value;
                for (Path x : graph.get(p.idx)) {
                    if (x.width >= p.width) {
                        queue.add(new Path(x.idx, x.value + p.value, p.width));
                    }
                }
            }
            if (costs[n - 1] > limit) {
                right = mm;
            } else {
                left = mm;
            }
        }
        System.out.println(left);
    }
    
    static class Path implements Comparable<Path> {
        int idx;
        int value;
        int width;
        
        public Path(int idx, int value, int width) {
            this.idx = idx;
            this.value = value;
            this.width = width;
        }
        
        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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