結果
問題 | No.1577 織姫と彦星2 |
ユーザー | tenten |
提出日時 | 2024-01-11 12:50:48 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 447 ms / 2,000 ms |
コード長 | 2,857 bytes |
コンパイル時間 | 2,636 ms |
コンパイル使用メモリ | 91,968 KB |
実行使用メモリ | 67,588 KB |
最終ジャッジ日時 | 2024-01-11 12:51:11 |
合計ジャッジ時間 | 19,545 ms |
ジャッジサーバーID (参考情報) |
judge14 / 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 | 52 ms
53,944 KB |
testcase_01 | AC | 57 ms
53,976 KB |
testcase_02 | AC | 52 ms
53,992 KB |
testcase_03 | AC | 51 ms
53,988 KB |
testcase_04 | AC | 52 ms
52,020 KB |
testcase_05 | AC | 185 ms
59,220 KB |
testcase_06 | AC | 129 ms
58,232 KB |
testcase_07 | AC | 377 ms
67,156 KB |
testcase_08 | AC | 231 ms
62,532 KB |
testcase_09 | AC | 447 ms
67,588 KB |
testcase_10 | AC | 231 ms
62,512 KB |
testcase_11 | AC | 109 ms
57,928 KB |
testcase_12 | AC | 281 ms
62,904 KB |
testcase_13 | AC | 234 ms
62,272 KB |
testcase_14 | AC | 315 ms
65,012 KB |
testcase_15 | AC | 195 ms
59,596 KB |
testcase_16 | AC | 355 ms
67,172 KB |
testcase_17 | AC | 316 ms
62,716 KB |
testcase_18 | AC | 58 ms
53,988 KB |
testcase_19 | AC | 337 ms
65,048 KB |
testcase_20 | AC | 307 ms
65,072 KB |
testcase_21 | AC | 325 ms
65,060 KB |
testcase_22 | AC | 372 ms
64,996 KB |
testcase_23 | AC | 208 ms
62,548 KB |
testcase_24 | AC | 381 ms
66,892 KB |
testcase_25 | AC | 183 ms
59,772 KB |
testcase_26 | AC | 249 ms
62,328 KB |
testcase_27 | AC | 352 ms
64,528 KB |
testcase_28 | AC | 307 ms
64,960 KB |
testcase_29 | AC | 258 ms
62,776 KB |
testcase_30 | AC | 303 ms
62,880 KB |
testcase_31 | AC | 309 ms
65,148 KB |
testcase_32 | AC | 105 ms
55,532 KB |
testcase_33 | AC | 73 ms
55,148 KB |
testcase_34 | AC | 265 ms
62,684 KB |
testcase_35 | AC | 368 ms
65,048 KB |
testcase_36 | AC | 350 ms
65,052 KB |
testcase_37 | AC | 397 ms
66,860 KB |
testcase_38 | AC | 403 ms
67,072 KB |
testcase_39 | AC | 236 ms
62,668 KB |
testcase_40 | AC | 255 ms
62,620 KB |
testcase_41 | AC | 338 ms
65,076 KB |
testcase_42 | AC | 283 ms
62,524 KB |
testcase_43 | AC | 289 ms
62,804 KB |
testcase_44 | AC | 113 ms
55,640 KB |
testcase_45 | AC | 165 ms
59,628 KB |
testcase_46 | AC | 194 ms
59,668 KB |
testcase_47 | AC | 345 ms
64,676 KB |
testcase_48 | AC | 243 ms
62,816 KB |
testcase_49 | AC | 262 ms
62,760 KB |
testcase_50 | AC | 214 ms
62,184 KB |
testcase_51 | AC | 126 ms
58,528 KB |
testcase_52 | AC | 389 ms
66,984 KB |
testcase_53 | AC | 374 ms
64,860 KB |
testcase_54 | AC | 291 ms
62,832 KB |
testcase_55 | AC | 360 ms
66,836 KB |
testcase_56 | AC | 198 ms
60,656 KB |
testcase_57 | AC | 155 ms
59,528 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[] values = new int[n + 2]; HashMap<Integer, Integer> idxes = new HashMap<>(); ArrayList<ArrayList<Integer>> graph = new ArrayList<>(); for (int i = 0; i < n + 2; i++) { values[i] = sc.nextInt(); idxes.put(values[i], i); graph.add(new ArrayList<>()); } for (int i = 0; i < n + 2; i++) { for (int j = 0; j < 30; j++) { if (idxes.containsKey(values[i] ^ (1 << j))) { graph.get(i).add(idxes.get(values[i] ^ (1 << j))); } } } ArrayDeque<Path> deq = new ArrayDeque<>(); int[] costs = new int[n + 2]; Arrays.fill(costs, Integer.MAX_VALUE); 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)); } } if (costs[1] == Integer.MAX_VALUE) { System.out.println(-1); } else { System.out.println(costs[1] - 1); } } static class Path { int idx; int value; public Path(int idx, int value) { this.idx = idx; this.value = 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(); } }