Solution: All O`one Data Structure
Explore how to design and implement an AllOne data structure that tracks the frequency of string keys, enabling fast updates and queries. Understand the use of a doubly linked list combined with hash maps to achieve constant time complexity for increment, decrement, and retrieval operations.
We'll cover the following...
We'll cover the following...
Statement
Design a data structure that tracks the frequency of string keys and allows for efficient updates and queries.
Implement the AllOne class with these methods:
Constructor: Initializes the data structure.
inc(String key): Increases the count of the given
keyby...