結果
問題 | No.1577 織姫と彦星2 |
ユーザー | tenten |
提出日時 | 2023-01-13 10:57:59 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 476 ms / 2,000 ms |
コード長 | 3,053 bytes |
コンパイル時間 | 2,634 ms |
コンパイル使用メモリ | 83,000 KB |
実行使用メモリ | 68,736 KB |
最終ジャッジ日時 | 2023-08-25 19:02:39 |
合計ジャッジ時間 | 21,692 ms |
ジャッジサーバーID (参考情報) |
judge13 / judge12 |
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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 | 43 ms
49,668 KB |
testcase_01 | AC | 44 ms
49,688 KB |
testcase_02 | AC | 44 ms
49,652 KB |
testcase_03 | AC | 44 ms
49,924 KB |
testcase_04 | AC | 44 ms
49,568 KB |
testcase_05 | AC | 178 ms
56,560 KB |
testcase_06 | AC | 111 ms
54,880 KB |
testcase_07 | AC | 367 ms
63,928 KB |
testcase_08 | AC | 237 ms
59,628 KB |
testcase_09 | AC | 476 ms
68,736 KB |
testcase_10 | AC | 225 ms
59,288 KB |
testcase_11 | AC | 103 ms
54,628 KB |
testcase_12 | AC | 290 ms
61,348 KB |
testcase_13 | AC | 174 ms
56,252 KB |
testcase_14 | AC | 316 ms
61,440 KB |
testcase_15 | AC | 185 ms
57,684 KB |
testcase_16 | AC | 350 ms
63,372 KB |
testcase_17 | AC | 273 ms
59,400 KB |
testcase_18 | AC | 52 ms
49,812 KB |
testcase_19 | AC | 335 ms
61,516 KB |
testcase_20 | AC | 303 ms
61,644 KB |
testcase_21 | AC | 346 ms
63,444 KB |
testcase_22 | AC | 335 ms
63,284 KB |
testcase_23 | AC | 220 ms
59,452 KB |
testcase_24 | AC | 410 ms
63,860 KB |
testcase_25 | AC | 183 ms
56,524 KB |
testcase_26 | AC | 227 ms
59,412 KB |
testcase_27 | AC | 326 ms
61,052 KB |
testcase_28 | AC | 306 ms
61,316 KB |
testcase_29 | AC | 247 ms
59,280 KB |
testcase_30 | AC | 260 ms
59,524 KB |
testcase_31 | AC | 352 ms
63,848 KB |
testcase_32 | AC | 85 ms
51,956 KB |
testcase_33 | AC | 66 ms
51,556 KB |
testcase_34 | AC | 239 ms
59,908 KB |
testcase_35 | AC | 329 ms
61,396 KB |
testcase_36 | AC | 343 ms
61,456 KB |
testcase_37 | AC | 405 ms
65,684 KB |
testcase_38 | AC | 420 ms
64,360 KB |
testcase_39 | AC | 251 ms
59,588 KB |
testcase_40 | AC | 232 ms
59,484 KB |
testcase_41 | AC | 349 ms
61,480 KB |
testcase_42 | AC | 264 ms
59,176 KB |
testcase_43 | AC | 274 ms
59,436 KB |
testcase_44 | AC | 89 ms
51,636 KB |
testcase_45 | AC | 165 ms
56,300 KB |
testcase_46 | AC | 176 ms
56,480 KB |
testcase_47 | AC | 325 ms
61,200 KB |
testcase_48 | AC | 220 ms
58,636 KB |
testcase_49 | AC | 262 ms
59,452 KB |
testcase_50 | AC | 203 ms
58,924 KB |
testcase_51 | AC | 122 ms
55,320 KB |
testcase_52 | AC | 379 ms
63,656 KB |
testcase_53 | AC | 397 ms
63,452 KB |
testcase_54 | AC | 262 ms
59,252 KB |
testcase_55 | AC | 365 ms
63,344 KB |
testcase_56 | AC | 193 ms
57,120 KB |
testcase_57 | AC | 145 ms
56,256 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(); ArrayList<ArrayList<Integer>> graph = new ArrayList<>(); int[] values = new int[n + 2]; HashMap<Integer, Integer> places = new HashMap<>(); for (int i = 0; i < n + 2; i++) { values[i] = sc.nextInt(); places.put(values[i], i); graph.add(new ArrayList<>()); } for (int i = 0; i < n + 2; i++) { for (int j = 0; j <= 30; j++) { if (places.containsKey(values[i] ^ (1 << j))) { int idx = places.get(values[i] ^ (1 << j)); graph.get(i).add(idx); } } } PriorityQueue<Path> queue = new PriorityQueue<>(); queue.add(new Path(0, 0)); int[] costs = new int[n + 2]; Arrays.fill(costs, Integer.MAX_VALUE); while (queue.size() > 0) { Path p = queue.poll(); if (costs[p.idx] <= p.value) { continue; } costs[p.idx] = p.value; for (int x : graph.get(p.idx)) { queue.add(new Path(x, p.value + 1)); } } if (costs[1] == Integer.MAX_VALUE) { System.out.println(-1); } else { System.out.println(costs[1] - 1); } } static class Path implements Comparable<Path> { int idx; int value; public Path(int idx, int value) { this.idx = idx; 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(); } }