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I’m having trouble understanding recursion while studying binary trees in data structures. I understand the basic idea, but I get confused when trying to implement methods like insertion using recursion. Specifically, I don’t fully grasp how the function keeps track of the current node and how the recursive calls progress through the tree.
I have already tried to follow examples and write my own code, but I still struggle to understand how the parameters (like the current node and the value to insert) work together during each recursive call.
Can someone explain step by step how recursion works when inserting elements into a binary tree?
