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Binary search tree print leaf node using queue

Time complexity of this program O(n)

Accepted Output

Given BST tree node is:

470, 434, 591, 428, 541, 700, 432, 515, 571, 502, 486

Edit Tree Click Here

470434591428541432515571502486700

Result :

Leaf node is : 432, 486, 571, 700

Another Example

Given BST tree node is:

428, 415, 528, 461, 545, 456, 488, 561, 476, 491, 6

Edit Tree Click Here

428528461488545415476456561491

Leaf node is : 415, 456, 476, 491, 561

Below in C implementation of this problem. Iterative approach.

Output
  BST Data is :  30  40  90  104  104  115  140  220  240
 Leaf node is :  240  40  104
 Free Memory of Queue

 Free BST node

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