結果
問題 | No.807 umg tours |
ユーザー | tenten |
提出日時 | 2023-01-10 11:59:23 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 1,834 ms / 4,000 ms |
コード長 | 3,423 bytes |
コンパイル時間 | 3,396 ms |
コンパイル使用メモリ | 99,368 KB |
実行使用メモリ | 124,520 KB |
最終ジャッジ日時 | 2024-06-01 07:50:35 |
合計ジャッジ時間 | 26,071 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | 79 ms
51,292 KB |
testcase_01 | AC | 82 ms
51,324 KB |
testcase_02 | AC | 100 ms
52,012 KB |
testcase_03 | AC | 106 ms
52,000 KB |
testcase_04 | AC | 86 ms
50,592 KB |
testcase_05 | AC | 93 ms
51,000 KB |
testcase_06 | AC | 101 ms
51,768 KB |
testcase_07 | AC | 104 ms
51,504 KB |
testcase_08 | AC | 60 ms
50,456 KB |
testcase_09 | AC | 63 ms
50,524 KB |
testcase_10 | AC | 64 ms
50,504 KB |
testcase_11 | AC | 1,547 ms
99,676 KB |
testcase_12 | AC | 1,119 ms
91,760 KB |
testcase_13 | AC | 1,497 ms
110,240 KB |
testcase_14 | AC | 803 ms
76,012 KB |
testcase_15 | AC | 722 ms
72,936 KB |
testcase_16 | AC | 1,621 ms
111,076 KB |
testcase_17 | AC | 1,823 ms
122,228 KB |
testcase_18 | AC | 1,810 ms
124,520 KB |
testcase_19 | AC | 1,785 ms
116,452 KB |
testcase_20 | AC | 1,003 ms
82,336 KB |
testcase_21 | AC | 1,011 ms
83,524 KB |
testcase_22 | AC | 631 ms
65,168 KB |
testcase_23 | AC | 543 ms
65,028 KB |
testcase_24 | AC | 1,474 ms
111,476 KB |
testcase_25 | AC | 1,834 ms
122,824 KB |
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 m = sc.nextInt(); 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(); graph.get(a).add(new Path(b, c)); graph.get(b).add(new Path(a, c)); } long[][] costs = new long[2][n]; for (long[] arr : costs) { Arrays.fill(arr, Long.MAX_VALUE); } PriorityQueue<Path> queue = new PriorityQueue<>(); queue.add(new Path(0, 0, 0)); while (queue.size() > 0) { Path p = queue.poll(); if (costs[p.type][p.idx] <= p.value) { continue; } costs[p.type][p.idx] = p.value; for (Path x : graph.get(p.idx)) { queue.add(new Path(x.idx, p.type, p.value + x.value)); if (p.type == 0) { queue.add(new Path(x.idx, 1, p.value)); } } } costs[1][0] = 0; StringBuilder sb = new StringBuilder(); for (int i = 0; i < n; i++) { sb.append(costs[0][i] + costs[1][i]).append("\n"); } System.out.print(sb); } static class Path implements Comparable<Path> { int idx; int type; long value; public Path(int idx, int type, long value) { this.idx = idx; this.type = type; this.value = value; } public Path(int idx, long value) { this(idx, 0, value); } public int compareTo(Path another) { if (value == another.value) { return 0; } else if (value < another.value) { return -1; } else { return 1; } } } } 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(); } }