How to Take level order input

#1

How to take level order input

#2

hello @hemantomer1

Level order input is taken and tree is build by using the queue, in which firstly u will take a queue of nodes, and then it will have a data which will represent a root node, and then u will accept the left and right child of root node, -1 value means that the node does not have any child.

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#3

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