Print K smallest elements in their original order
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  Difficulty: Basic   Marks: 1

Given an array, the task is to print K smallest elements from the array but they must be in the same order as they are in given array.

Input:
The first line of input contains an integer T denoting the number of test cases. Then T test cases follow. Each test case consists of two lines. First line of each test case contains two Integers N and K and the second line contains N space separated elements.

Output:
For each test case, print the K smallest elements in new line.

Constraints:
1<=T<=100
1<=K<=N<=106

1<=A[i]<=105

Example:
Input:

2
5 2
5 4 2 1 2
7 5
1 2 3 4 5 6 7
Output:
2 1
1 2 3 4 5

** For More Input/Output Examples Use 'Expected Output' option **

Author: arun03


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