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Count leaf node of binary search tree (iterative approach) using queue

Time complexity of this program O(n)

Accepted Output

Given BST data is:

555, 483, 593, 437, 518, 594, 475, 514, 467, 514

View Tree

555483593437518594475514467514

In this tree leaf node are [ 467, 514, 594 ].

Result :

Number of leaf Node is [3]

Given BST data is:

515, 93, 30, 20, 40, 104, 115, 134, 610

View Tree

51593302040104115134610

Result :

Number of leaf Node is [4]

Below in C implementation of this problem. Iterative approach.

Output
 BST Data is :  30  40  90  104  104  115  140  220  240
 Number of leaf Node is [3]
 Free Memory of Queue

 Free BST node
 

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