Computer Science · Data Structures and Algorithms
The preorder traversal of a binary search tree is given as: 38, 14, 8, 23, 18, 20, 56, 45, 82, 70. What is its postorder traversal?
- 182, 70, 56, 45, 38, 23, 20, 18, 14, 8
- 28, 20, 18, 23, 14, 45, 70, 82, 56, 38✓
- 38, 18, 20, 23, 14, 45, 70, 82, 56, 38
- 423, 20, 18, 14, 8, 38, 45, 56, 70, 82
Correct answer
8, 20, 18, 23, 14, 45, 70, 82, 56, 38
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