結果
問題 | No.1804 Intersection of LIS |
ユーザー | tenten |
提出日時 | 2023-06-06 14:36:06 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,699 bytes |
コンパイル時間 | 2,678 ms |
コンパイル使用メモリ | 85,176 KB |
実行使用メモリ | 146,476 KB |
最終ジャッジ日時 | 2024-06-09 06:14:09 |
合計ジャッジ時間 | 24,105 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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 | 60 ms
38,068 KB |
testcase_01 | AC | 60 ms
37,900 KB |
testcase_02 | AC | 58 ms
38,144 KB |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | AC | 58 ms
37,588 KB |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | AC | 59 ms
37,736 KB |
testcase_32 | WA | - |
testcase_33 | AC | 60 ms
38,004 KB |
testcase_34 | WA | - |
testcase_35 | AC | 1,010 ms
144,424 KB |
testcase_36 | AC | 931 ms
146,476 KB |
testcase_37 | AC | 646 ms
110,684 KB |
testcase_38 | AC | 656 ms
110,676 KB |
testcase_39 | AC | 60 ms
38,004 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<TreeMap<Integer, Integer>> lis = new ArrayList<>(); for (int i = 0; i <= n; i++) { lis.add(new TreeMap<>()); lis.get(i).put(0, Integer.MAX_VALUE); } lis.get(0).put(0, 0); int max = 0; for (int i = 1; i <= n; i++) { int x = sc.nextInt(); int left = 0; int right = max + 1; while (right - left > 1) { int m = (left + right) / 2; if (lis.get(m).lastEntry().getValue() < x) { left = m; } else { right = m; } } lis.get(right).put(i, x); max = Math.max(max, right); } int last = Integer.MAX_VALUE; ArrayList<Integer> ans = new ArrayList<>(); for (int i = max; i > 0; i--) { int x = lis.get(i).lowerKey(last); int tmp = lis.get(i).get(x); if (lis.get(i).lowerKey(x) == 0) { ans.add(tmp); } last = x; } System.out.println(ans.size()); Collections.sort(ans); System.out.println(ans.stream().map(x -> x.toString()).collect(Collectors.joining(" "))); } } 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(); } }