結果

問題 No.1779 Magical Swap
ユーザー hiromi_ayasehiromi_ayase
提出日時 2021-12-08 05:16:23
言語 Java21
(openjdk 21)
結果
AC  
実行時間 742 ms / 2,000 ms
コード長 3,430 bytes
コンパイル時間 3,820 ms
コンパイル使用メモリ 83,752 KB
実行使用メモリ 62,880 KB
最終ジャッジ日時 2023-09-23 07:49:21
合計ジャッジ時間 10,226 ms
ジャッジサーバーID
(参考情報)
judge12 / judge11
このコードへのチャレンジ(β)

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 85 ms
52,288 KB
testcase_01 AC 88 ms
52,064 KB
testcase_02 AC 229 ms
58,520 KB
testcase_03 AC 120 ms
52,600 KB
testcase_04 AC 308 ms
59,848 KB
testcase_05 AC 238 ms
57,204 KB
testcase_06 AC 253 ms
57,340 KB
testcase_07 AC 296 ms
59,068 KB
testcase_08 AC 111 ms
53,348 KB
testcase_09 AC 256 ms
57,576 KB
testcase_10 AC 374 ms
62,076 KB
testcase_11 AC 310 ms
57,972 KB
testcase_12 AC 225 ms
57,752 KB
testcase_13 AC 359 ms
60,224 KB
testcase_14 AC 383 ms
59,528 KB
testcase_15 AC 742 ms
62,880 KB
testcase_16 AC 322 ms
61,000 KB
testcase_17 AC 354 ms
58,768 KB
testcase_18 AC 84 ms
51,984 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 t = ni();
    for (int i = 0; i < t; i++) {
      int n = ni();
      int[] a = na(n);
      int[] b = na(n);
      boolean ret = solve(a, b);
      System.out.println(ret ? "Yes" : "No");
    }

  }

  private static boolean solve(int[] a, int[] b) {
    int n = a.length;
    for (int i = 1; i <= n; i++) {
      if (i == 1) {
        if (a[0] != b[0]) {
          return false;
        }
      }

      if (i * 2 <= n)
        continue;

      if (isPrime[i]) {
        if (a[i - 1] != b[i - 1]) {
          return false;
        }
      }
    }
    Arrays.sort(a);
    Arrays.sort(b);
    return Arrays.equals(a, b);
  }

  static boolean[] isPrime = sieveEratosthenes(200000);

  public static boolean[] sieveEratosthenes(int n) {
    boolean[] ret = new boolean[n + 1];
    Arrays.fill(ret, true);

    for (int i = 2; i <= n; i++) {
      if (!ret[i])
        continue;

      for (int j = i + i; j <= n; j += i) {
        ret[j] = false;
      }
    }
    return ret;
  }

  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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