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Count BST keys in Given Range

Time complexity of this program O(n)

Accepted Output

Given BST tree node is:

435, 407, 511, 428, 450, 536, 466, 571, 464, 457

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435511450466464407536457571428

Number of Nodes between data (460 to 600) is: [4]

Given BST tree node is:

572, 443, 589, 402, 541, 436, 510, 418, 485, 514

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572443589402541436510514485418

Number of Nodes between data (420 to 520) is: [5]

Below in C implementation of this problem. Iterative approach.

Output
  BST Data is :  10  15  15  20  30  47  50  60  70  80  84  940 
 BST keys In Range (20,50) is : [4]

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