CF1867A.green_gold_dog, array and permutation

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

green_gold_dog, array and permutation

green_gold_dog has an array aa of length nn, and he wants to find a permutation bb of length nn such that the number of distinct numbers in the element-wise difference between array aa and permutation bb is maximized.

A permutation of length nn is an array consisting of nn distinct integers from 11 to nn in any order. For example, [2,3,1,5,4][2,3,1,5,4] is a permutation, but [1,2,2][1,2,2] is not a permutation (as 22 appears twice in the array) and [1,3,4][1,3,4] is also not a permutation (as n=3n=3, but 44 appears in the array).

The element-wise difference between two arrays aa and bb of length nn is an array cc of length nn, where cic_i = aibia_i - b_i (1in1 \leq i \leq n).

Input

Each test contains multiple test cases. The first line contains the number of test cases tt (1t41041 \le t \le 4 \cdot 10^4). The description of the test cases follows.

The first line of each test case contains a single integer nn (1n41041 \le n \le 4 \cdot 10^4).

The second line of each test case contains nn integers a1,a2,,ana_1, a_2, \ldots, a_n (1ai1091 \le a_i \le 10^9).

It is guaranteed that the sum of nn over all test cases does not exceed 41044 \cdot 10^4.

Output

For each test case, output nn numbers - a suitable permutation bb. If there are multiple solutions, print any of them.

Note

In the first set of input data, the element-wise difference of the arrays is [99999]. Here, there is one distinct number, and it is obvious that in an array of length one, there cannot be more than one different element.

In the second set of input data, the element-wise difference of the arrays is [-1, 0]. Here, there are two distinct numbers, and it is obvious that in an array of length two, there cannot be more than two different elements.

In the third set of input data, the element-wise difference of the arrays is [9, 0, 1]. Here, there are three distinct numbers, and it is obvious that in an array of length three, there cannot be more than three different elements.

Samples

3
1
100000
2
1 1
3
10 3 3
1 
2 1 
1 3 2 

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