結果

問題 No.980 Fibonacci Convolution Hard
ユーザー hiromi_ayasehiromi_ayase
提出日時 2020-02-08 04:42:42
言語 Java21
(openjdk 21)
結果
AC  
実行時間 571 ms / 2,000 ms
コード長 2,884 bytes
コンパイル時間 4,193 ms
コンパイル使用メモリ 82,064 KB
実行使用メモリ 99,228 KB
最終ジャッジ日時 2024-09-25 08:41:17
合計ジャッジ時間 16,835 ms
ジャッジサーバーID
(参考情報)
judge1 / judge5
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 530 ms
98,692 KB
testcase_01 AC 534 ms
99,228 KB
testcase_02 AC 539 ms
99,028 KB
testcase_03 AC 530 ms
98,836 KB
testcase_04 AC 529 ms
98,888 KB
testcase_05 AC 532 ms
99,048 KB
testcase_06 AC 539 ms
99,020 KB
testcase_07 AC 537 ms
99,060 KB
testcase_08 AC 564 ms
98,808 KB
testcase_09 AC 540 ms
98,956 KB
testcase_10 AC 531 ms
98,924 KB
testcase_11 AC 533 ms
99,096 KB
testcase_12 AC 539 ms
98,912 KB
testcase_13 AC 571 ms
98,720 KB
testcase_14 AC 533 ms
99,036 KB
testcase_15 AC 534 ms
98,956 KB
testcase_16 AC 529 ms
99,024 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 #

public class Main {

  private static void solve() {
    long p = nl();
    int q = ni();
    int mod = (int) 1e9 + 7;
    int max = 2 * (int) 1e6 + 1;
    long[] a = new long[max];
    long[] s = new long[max];

    a[1] = 0;
    a[2] = 1;
    s[2] = 0;
    s[3] = 0;

    for (int i = 3; i < max; i++) {
      a[i] = a[i - 1] * p % mod + a[i - 2];
      a[i] %= mod;
      s[i] = (mod - s[i - 2]) + (i - 3) * a[i - 2] % mod;
      s[i] %= mod;
    }

    for (int i = 0; i < q; i++) {
      int v = ni();
      out.println(s[v]);
    }
  }

  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));
  }
}

0