CF1798A.Showstopper

传统题 时间 2000 ms 内存 256 MiB 3 尝试 1 已通过 1 标签

Showstopper

You are given two arrays a1,a2,,ana_1, a_2, \ldots, a_n and b1,b2,,bnb_1, b_2, \ldots, b_n.

In one operation, you can choose any integer ii from 11 to nn and swap the numbers aia_i and bib_i.

Determine whether, after using any (possibly zero) number of operations, the following two conditions can be satisfied simultaneously:

  • an=max(a1,a2,,an)a_n = \max(a_1, a_2, \ldots, a_n),
  • bn=max(b1,b2,,bn)b_n = \max(b_1, b_2, \ldots, b_n).

Here max(c1,c2,,ck)\max(c_1, c_2, \ldots, c_k) denotes the maximum number among c1,c2,,ckc_1, c_2, \ldots, c_k. For example, max(3,5,4)=5\max(3, 5, 4) = 5, max(1,7,7)=7\max(1, 7, 7) = 7, max(6,2)=6\max(6, 2) = 6.

Input

Each test contains multiple test cases. The first line contains the number of test cases tt (1t2001 \le t \le 200). The description of the test cases follows.

The first line of each test case contains a single integer nn (1n1001 \le n \le 100) — the length of the arrays.

The second line of each test case contains nn integers a1,a2,,ana_1, a_2, \ldots, a_n (1ai1001 \le a_i \le 100) — elements of the first array.

The third line of each test case contains nn integers b1,b2,,bnb_1, b_2, \ldots, b_n (1bi1001 \le b_i \le 100) — elements of the second array.

Output

For each test case, print "Yes" if after using any (possibly zero) number of operations the conditions described above are satisfied. Otherwise, print "No".

You can output the answer in any case (upper or lower). For example, the strings "yEs", "yes", "Yes", and "YES" will be recognized as positive responses.

Note

In the first test case, you can swap the numbers a3a_3 and b3b_3, after which the array aa becomes equal to [7,9,9][7, 9, 9], and the array bb becomes equal to [7,6,7][7, 6, 7], and both conditions are met.

In the second test case, it can be proved that it is impossible to satisfy both conditions.

In the third test case, you can swap the numbers a1a_1 and b1b_1, after which the array aa becomes equal to [99,99][99, 99], and the array bb becomes equal to [100,100][100, 100], and both conditions are satisfied.

In fifth test case, you can swap a7a_7 and b7b_7, a8a_8 and b8b_8, a9a_9 and b9b_9, after which the array aa becomes equal to [1,2,3,4,5,6,6,6,6][1, 2, 3, 4, 5, 6, 6, 6, 6], and the array bb becomes equal to [9,9,9,9,9,9,7,8,9][9, 9, 9, 9, 9, 9, 7, 8, 9], and both conditions are satisfied.

Samples

7
3
7 9 7
7 6 9
4
10 10 15 15
10 16 15 15
2
100 99
99 100
1
1
1
9
1 2 3 4 5 6 7 8 9
9 9 9 9 9 9 6 6 6
7
1 1 2 2 1 1 2
1 2 1 2 1 2 1
2
30 4
5 30
Yes
No
Yes
Yes
Yes
No
No

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