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Count leaf node of binary search tree using recursion

Time complexity of this program O(n)

Accepted Output

Given BST tree node is:

427, 402, 481, 401, 426, 449, 505, 485, 546, 523

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427402481401426449505485546523

Result : Leaf node is: 5

Given BST tree node is:

422, 416, 574, 411, 419, 494, 409, 469, 403, 492

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422416574494469411409419492403

Result : Leaf node is: 3

Below in C implementation of this problem. Recursive approach.

Output
 BST Data is :  10  15  20  30  50  60  70  80  90
 Number of leaf node is : [2]  

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