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- Tree: Preorder Traversal
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Tree: Preorder Traversal
Tree: Preorder Traversal
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golang solution Tree construction O(n log n) Tree Trasversal Print O(n)
The tricky part is how to convert input to the tree, other than the traversal...
This is one possible solution in python
C++ O(n)
an elegant way to write it is by using recursion:
This is a terribly written problem.