結果
問題 | No.1473 おでぶなおばけさん |
ユーザー | tenten |
提出日時 | 2024-02-08 13:09:46 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,776 bytes |
コンパイル時間 | 2,478 ms |
コンパイル使用メモリ | 84,780 KB |
実行使用メモリ | 81,936 KB |
最終ジャッジ日時 | 2024-09-28 12:44:07 |
合計ジャッジ時間 | 33,010 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 99 ms
44,256 KB |
testcase_01 | AC | 98 ms
44,248 KB |
testcase_02 | AC | 1,003 ms
81,936 KB |
testcase_03 | AC | 872 ms
72,288 KB |
testcase_04 | AC | 483 ms
59,624 KB |
testcase_05 | AC | 311 ms
50,476 KB |
testcase_06 | AC | 910 ms
73,000 KB |
testcase_07 | AC | 710 ms
68,696 KB |
testcase_08 | AC | 758 ms
68,752 KB |
testcase_09 | AC | 745 ms
68,388 KB |
testcase_10 | AC | 464 ms
51,640 KB |
testcase_11 | AC | 470 ms
51,444 KB |
testcase_12 | AC | 465 ms
51,660 KB |
testcase_13 | AC | 381 ms
50,532 KB |
testcase_14 | AC | 335 ms
49,720 KB |
testcase_15 | AC | 440 ms
51,240 KB |
testcase_16 | AC | 452 ms
51,296 KB |
testcase_17 | AC | 203 ms
46,132 KB |
testcase_18 | AC | 228 ms
48,088 KB |
testcase_19 | AC | 462 ms
52,564 KB |
testcase_20 | AC | 759 ms
70,576 KB |
testcase_21 | AC | 536 ms
55,052 KB |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | AC | 667 ms
63,532 KB |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | AC | 874 ms
80,940 KB |
testcase_32 | AC | 739 ms
72,020 KB |
testcase_33 | AC | 689 ms
70,284 KB |
testcase_34 | AC | 349 ms
54,032 KB |
testcase_35 | AC | 336 ms
52,448 KB |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | AC | 472 ms
51,616 KB |
testcase_40 | AC | 446 ms
51,608 KB |
testcase_41 | AC | 431 ms
51,760 KB |
testcase_42 | AC | 443 ms
51,460 KB |
testcase_43 | AC | 475 ms
59,792 KB |
testcase_44 | AC | 499 ms
59,892 KB |
testcase_45 | AC | 489 ms
60,044 KB |
testcase_46 | AC | 603 ms
60,092 KB |
testcase_47 | AC | 940 ms
76,360 KB |
testcase_48 | AC | 836 ms
73,832 KB |
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(); UnionFindTree uft = new UnionFindTree(n); Road weight = IntStream.range(0, m).mapToObj(i -> new Road(sc.nextInt() - 1, sc.nextInt() - 1, sc.nextInt())) .sorted() .filter(x -> uft.unite(x)).findFirst().orElse(null); System.out.println(weight.value + " " + uft.getCost()); } static class UnionFindTree { int size; int[] parents; List<List<Integer>> graph; public UnionFindTree(int size) { this.size = size; parents = IntStream.range(0, size).map(i -> i).toArray(); graph = IntStream.range(0,size).mapToObj(i -> new ArrayList<Integer>()).collect(Collectors.toList()); } public int find(int x) { if (x == parents[x]) { return x; } else { return parents[x] = find(parents[x]); } } public boolean same(int x, int y) { return find(x) == find(y); } public boolean unite(Road r) { if (!same(0, size - 1)) { int left = find(r.left); int right = find(r.right); if (left != right) { parents[left] = right; } graph.get(r.left).add(r.right); graph.get(r.right).add(r.left); } return same(0, size - 1); } public int getCost() { int[] costs = new int[size]; Arrays.fill(costs, Integer.MAX_VALUE); ArrayDeque<Path> deq = new ArrayDeque<>(); deq.add(new Path(0, 0)); while (deq.size() > 0) { Path p = deq.poll(); if (costs[p.idx] <= p.value) { continue; } costs[p.idx] = p.value; for (int x : graph.get(p.idx)) { deq.add(new Path(x, p.value + 1)); } } return costs[size - 1]; } } static class Path { int idx; int value; public Path(int idx, int value) { this.idx = idx; this.value = value; } } static class Road implements Comparable<Road> { int left; int right; int value; public Road(int left, int right, int value) { this.left = left; this.right = right; this.value = value; } public int compareTo(Road another) { return another.value - value; } } } 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(); } } }