What is the time complexity of traversing a binary tree?

What is the time complexity of traversing a binary tree?

Step 1: Understand what a binary tree is. A binary tree is a data structure where each node has at most two children.
Step 2: Know that traversing a binary tree means visiting each node in the tree.
Step 3: Realize that to traverse the entire tree, you need to visit every single node exactly once.
Step 4: Count the number of nodes in the tree. Let's say there are 'n' nodes.
Step 5: Since you visit each of the 'n' nodes once, the total time taken is proportional to 'n'.
Step 6: In computer science, we express this relationship using Big O notation, which describes the upper limit of time complexity.
Step 7: Therefore, the time complexity of traversing a binary tree is O(n).

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