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Error
Given a Binary Tree, find the In-Order Traversal of it.
Example 1:
Input:
1
/ \
3 2
Output: 3 1 2
Example 2:
Input:
10
/ \
20 30
/ \ /
40 60 50
Output: 40 20 60 10 50 30
Your Task:
You don't need to read input or print anything. Your task is to complete the function inOrder() that takes root node of the tree as input and returns a list containing the In-Order Traversal of the given Binary Tree.
Expected Time Complexity: O(N).
Expected Auxiliary Space: O(N).
Constraints:
1 <= Number of nodes <= 105
0 <= Data of a node <= 105
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