finger trees
Finger trees are a data structure that provides a way to efficiently store and manipulate sequences of elements. They allow for fast access, insertion, and deletion operations, making them ideal for implementing persistent data structures. Finger trees consist of nodes that store multiple elements and maintain information about the structure of the tree, such as the size of the subtree rooted at each node. This allows for efficient splitting and concatenation of sequences, making finger trees a versatile and powerful tool for a wide range of applications.
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