Remove BST Keys Outside Given Range
Given a Binary Search Tree (BST) and a specified range [min, max], your task is to remove all keys from the BST that fall outside this range. The BST should remain valid after modifications.
Input:
The first line contains an integer 'T', representing the number of test cases. Each test case involves: 1. An initial line describing the BST elements in level order format (use -1 for missing children). 2. A subsequent line containing two integers 'min' and 'max'.
Output:
For each test case, output a single line of 'N' space-separated integers, representing the inorder traversal of the adjusted BST.
Example:
If the BST elements are [4, 2, 7, 1, 3, -1, -1] and the range is [1, 3], the output should be [1, 2, 3] after removing keys outside the specified range.
Constraints:
- 1 <= T <= 5
- 1 <= N <= 10^5
- -10^3 <= nodeVal <= 10^3
Note:
There is no need to include print statements; these have already been incorporated elsewhere. Focus solely on implementing the necessary function.
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