Data Structures Trees Question:
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What is splay trees?

Answer:

A splay tree is a self-balancing binary search tree. In this, recently accessed elements are quick to access again

It is useful for implementing caches and garbage collection algorithms.

When we move left going down this path, its called a zig and when we move right, its a zag.

Following are the splaying steps. There are six different splaying steps.
1. Zig Rotation (Right Rotation)
2. Zag Rotation (Left Rotation)
3. Zig-Zag (Zig followed by Zag)
4. Zag-Zig (Zag followed by Zig)
5. Zig-Zig
6. Zag-Zag

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