Inorder Traversal in Binary Tree Animations | Data Structure | Visual How

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In-order traversal is a type of tree traversal algorithm used in computer science and programming for visiting every node in a tree data structure. In an in-order traversal, each node is visited in the following order:

Traverse the left subtree in in-order
Visit the root node
Traverse the right subtree in in-order
This algorithm is called in-order traversal because the root node is visited in between the left and right subtrees.

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broo its so simple and understandable path, great!

KistosiAlGhifari
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Thank you for the animation, it is a good way of visualising the traversal path.
It is a binary search tree so it would make more sense to have the nodes in alphabetical order with A being the bottom left node and C or D being the root.
The left child of every node should have a value less than its parent and the right child should have a value greater than the parent so that the program can decide which way it should go at every node to be sure it is getting closer to the correct answer as quickly as possible.
For example to find the E node it would be impossible to know which way to go without checking the whole tree. This is because you can only check one node at a time and starting from A you want to go down the branch that is higher than A because E is higher than A. You would not know if you should go left or right because both B and C are higher than A.

Lastly it is called an in order traversal because when the tree is populated correctly traversal in this manner will output the nodes in order. Which is the opposite of what is shown in the video.

dylanbaxter