結果

問題 No.2060 AND Sequence
ユーザー hiromi_ayasehiromi_ayase
提出日時 2022-08-27 00:43:48
言語 Java21
(openjdk 21)
結果
AC  
実行時間 74 ms / 2,000 ms
コード長 3,016 bytes
コンパイル時間 2,248 ms
コンパイル使用メモリ 82,256 KB
実行使用メモリ 38,644 KB
最終ジャッジ日時 2024-04-22 02:39:34
合計ジャッジ時間 6,616 ms
ジャッジサーバーID
(参考情報)
judge5 / judge2
このコードへのチャレンジ
(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 67 ms
38,264 KB
testcase_01 AC 67 ms
38,264 KB
testcase_02 AC 67 ms
38,084 KB
testcase_03 AC 68 ms
38,116 KB
testcase_04 AC 73 ms
38,228 KB
testcase_05 AC 70 ms
38,436 KB
testcase_06 AC 71 ms
38,412 KB
testcase_07 AC 73 ms
38,104 KB
testcase_08 AC 70 ms
38,540 KB
testcase_09 AC 68 ms
38,228 KB
testcase_10 AC 69 ms
38,456 KB
testcase_11 AC 66 ms
38,228 KB
testcase_12 AC 69 ms
38,472 KB
testcase_13 AC 68 ms
38,436 KB
testcase_14 AC 68 ms
38,268 KB
testcase_15 AC 73 ms
38,116 KB
testcase_16 AC 73 ms
38,104 KB
testcase_17 AC 70 ms
38,084 KB
testcase_18 AC 70 ms
38,436 KB
testcase_19 AC 69 ms
38,308 KB
testcase_20 AC 67 ms
38,504 KB
testcase_21 AC 68 ms
38,104 KB
testcase_22 AC 69 ms
38,412 KB
testcase_23 AC 69 ms
38,436 KB
testcase_24 AC 68 ms
38,436 KB
testcase_25 AC 74 ms
38,388 KB
testcase_26 AC 69 ms
38,264 KB
testcase_27 AC 68 ms
38,316 KB
testcase_28 AC 73 ms
38,104 KB
testcase_29 AC 67 ms
38,268 KB
testcase_30 AC 69 ms
38,396 KB
testcase_31 AC 69 ms
38,428 KB
testcase_32 AC 68 ms
38,264 KB
testcase_33 AC 69 ms
38,264 KB
testcase_34 AC 68 ms
38,388 KB
testcase_35 AC 69 ms
38,644 KB
testcase_36 AC 71 ms
38,504 KB
testcase_37 AC 70 ms
38,644 KB
testcase_38 AC 68 ms
38,412 KB
testcase_39 AC 74 ms
38,200 KB
testcase_40 AC 67 ms
38,116 KB
testcase_41 AC 67 ms
38,084 KB
testcase_42 AC 70 ms
38,388 KB
testcase_43 AC 68 ms
38,504 KB
testcase_44 AC 69 ms
38,412 KB
testcase_45 AC 69 ms
38,104 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

import java.util.*;

@SuppressWarnings("unused")
public class Main {

  private static void solve() {
    int n = ni();
    int m = ni();
    int mod = 998244353;

    int k = 0;
    while ((m >> k) > 0) k ++;

    long[][] dp = new long[k + 1][2];
    dp[k][0] = 1;

    for (int i = k - 1; i >= 0; i --) {
      int b = m >> i & 1;

      if (b == 0) {
        dp[i][0] += dp[i + 1][0];
        dp[i][1] += dp[i + 1][1] * (n + 1) % mod; 
      } else {
        dp[i][0] += dp[i + 1][0] * n;
        dp[i][1] += dp[i + 1][1] * (n + 1) % mod + dp[i + 1][0]; 
      }
      dp[i][0] %= mod;
      dp[i][1] %= mod;
    }
    System.out.println((dp[0][0] + dp[0][1]) % mod);
  }

  public static void main(String[] args) {
    new Thread(null, new Runnable() {
      @Override
      public void run() {
        long start = System.currentTimeMillis();
        String debug = args.length > 0 ? args[0] : null;
        if (debug != null) {
          try {
            is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug));
          } catch (Exception e) {
            throw new RuntimeException(e);
          }
        }
        reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768);
        solve();
        out.flush();
        tr((System.currentTimeMillis() - start) + "ms");
      }
    }, "", 64000000).start();
  }

  private static java.io.InputStream is = System.in;
  private static java.io.PrintWriter out = new java.io.PrintWriter(System.out);
  private static java.util.StringTokenizer tokenizer = null;
  private static java.io.BufferedReader reader;

  public static String next() {
    while (tokenizer == null || !tokenizer.hasMoreTokens()) {
      try {
        tokenizer = new java.util.StringTokenizer(reader.readLine());
      } catch (Exception e) {
        throw new RuntimeException(e);
      }
    }
    return tokenizer.nextToken();
  }

  private static double nd() {
    return Double.parseDouble(next());
  }

  private static long nl() {
    return Long.parseLong(next());
  }

  private static int[] na(int n) {
    int[] a = new int[n];
    for (int i = 0; i < n; i++)
      a[i] = ni();
    return a;
  }

  private static char[] ns() {
    return next().toCharArray();
  }

  private static long[] nal(int n) {
    long[] a = new long[n];
    for (int i = 0; i < n; i++)
      a[i] = nl();
    return a;
  }

  private static int[][] ntable(int n, int m) {
    int[][] table = new int[n][m];
    for (int i = 0; i < n; i++) {
      for (int j = 0; j < m; j++) {
        table[i][j] = ni();
      }
    }
    return table;
  }

  private static int[][] nlist(int n, int m) {
    int[][] table = new int[m][n];
    for (int i = 0; i < n; i++) {
      for (int j = 0; j < m; j++) {
        table[j][i] = ni();
      }
    }
    return table;
  }

  private static int ni() {
    return Integer.parseInt(next());
  }

  private static void tr(Object... o) {
    if (is != System.in)
      System.out.println(java.util.Arrays.deepToString(o));
  }
}
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