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Search a node in BST
Basic Accuracy: 55.04% Submissions: 22583 Points: 1

Given a Binary Search Tree and a node value X, find if node with value X is present in the BST or not. 


Example 1:

Input:
         2
          \
          81
        /    \
      42      87
    /   \       \
   45   66      90
x = 87
Output: 1
Explanation: As 87 is present in the
given nodes , so the output will be
1.

Example 2:

Input:
      6
       \
        7
       / \
      8   9
x = 11
Output: 0
Explanation: As 11 is not present in 
he given nodes , so the output will
be 0.


Your Task:
You don't need to read input or print anything. Complete the function search() which returns true if the node with value x is present in the BST else returns false


Expected Time Complexity: O(Height of the BST)
Expected Auxiliary Space: O(1).


Constraints:
1 <= Number of nodes <= 105

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Search a node in BST

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