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Merge Two Sorted Arrays
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  Difficulty: Hard   Marks: 8
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Given two sorted arrays P[] and Q[] in non-decreasing order with size X and Y. The task is to merge the two sorted arrays into one sorted array (in non-decreasing order).

Note: Expected time complexity is O((X+Y) log(X+Y)). DO NOT use extra space.

Input:
First line contains an integer T, denoting the number of test cases. First line of each test case contains two space separated integers X and Y, denoting the size of the two sorted arrays. Second line of each test case contains X space separated integers, denoting the first sorted array P. Third line of each test case contains Y space separated integers, denoting the second array Q.

Output:
For each test case, print (X + Y) space separated integer representing the merged array.

Constraints:
1 <= T <= 100
1 <= X, Y <= 5*104
0 <= Pi, Qi <= 109

Example:
Input:
1
4 5
1 3 5 7
0 2 6 8 9

Output:
0 1 2 3 5 6 7 8 9

Explanation:
Testcase 1: After merging two non-decreasing arrays, we have, 0 1 2 3 5 6 7 8 9.

 

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

Author: shubham54
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