結果
問題 | No.1885 Flat Permutation |
ユーザー | tenten |
提出日時 | 2023-03-28 12:40:29 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 69 ms / 2,000 ms |
コード長 | 2,161 bytes |
コンパイル時間 | 4,175 ms |
コンパイル使用メモリ | 83,556 KB |
実行使用メモリ | 54,136 KB |
最終ジャッジ日時 | 2023-10-20 07:41:49 |
合計ジャッジ時間 | 8,839 ms |
ジャッジサーバーID (参考情報) |
judge11 / judge13 |
(要ログイン)
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 | 53 ms
53,564 KB |
testcase_01 | AC | 53 ms
51,516 KB |
testcase_02 | AC | 53 ms
53,568 KB |
testcase_03 | AC | 52 ms
53,572 KB |
testcase_04 | AC | 52 ms
53,564 KB |
testcase_05 | AC | 53 ms
52,432 KB |
testcase_06 | AC | 52 ms
53,560 KB |
testcase_07 | AC | 53 ms
53,560 KB |
testcase_08 | AC | 52 ms
53,556 KB |
testcase_09 | AC | 52 ms
53,552 KB |
testcase_10 | AC | 55 ms
52,420 KB |
testcase_11 | AC | 54 ms
53,560 KB |
testcase_12 | AC | 52 ms
53,560 KB |
testcase_13 | AC | 53 ms
53,556 KB |
testcase_14 | AC | 53 ms
52,452 KB |
testcase_15 | AC | 53 ms
53,564 KB |
testcase_16 | AC | 54 ms
52,436 KB |
testcase_17 | AC | 54 ms
53,560 KB |
testcase_18 | AC | 54 ms
53,564 KB |
testcase_19 | AC | 64 ms
54,116 KB |
testcase_20 | AC | 69 ms
52,864 KB |
testcase_21 | AC | 68 ms
54,128 KB |
testcase_22 | AC | 64 ms
54,120 KB |
testcase_23 | AC | 54 ms
53,552 KB |
testcase_24 | AC | 53 ms
53,568 KB |
testcase_25 | AC | 58 ms
53,564 KB |
testcase_26 | AC | 54 ms
53,568 KB |
testcase_27 | AC | 65 ms
53,572 KB |
testcase_28 | AC | 68 ms
54,128 KB |
testcase_29 | AC | 69 ms
54,136 KB |
testcase_30 | AC | 69 ms
54,116 KB |
testcase_31 | AC | 64 ms
52,856 KB |
testcase_32 | AC | 55 ms
53,560 KB |
testcase_33 | AC | 53 ms
53,552 KB |
testcase_34 | AC | 53 ms
53,564 KB |
testcase_35 | AC | 68 ms
54,128 KB |
testcase_36 | AC | 64 ms
53,576 KB |
testcase_37 | AC | 53 ms
53,564 KB |
testcase_38 | AC | 54 ms
53,556 KB |
testcase_39 | AC | 52 ms
53,560 KB |
testcase_40 | AC | 55 ms
53,564 KB |
testcase_41 | AC | 59 ms
53,552 KB |
testcase_42 | AC | 53 ms
53,560 KB |
testcase_43 | AC | 63 ms
54,136 KB |
testcase_44 | AC | 65 ms
54,136 KB |
testcase_45 | AC | 68 ms
54,120 KB |
testcase_46 | AC | 68 ms
54,132 KB |
ソースコード
import java.io.*; import java.util.*; import java.util.stream.*; public class Main { static final int MOD = 998244353; public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int x = sc.nextInt(); int y = sc.nextInt(); int left = Math.min(x, y); int right = Math.max(x, y); if (left > 1) { left++; } if (right < n) { right--; } if (left > right) { System.out.println(0); } else { int size = right - left; int[] dp = new int[size + 5]; dp[0] = 1; for (int i = 0; i < size; i++) { dp[i + 1] += dp[i]; dp[i + 1] %= MOD; dp[i + 3] += dp[i]; dp[i + 3] %= MOD; } System.out.println(dp[size]); } } } 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(); } }