Leetcode Problem 706. Design HashMap
Leetcode Solutions
Modulo and Array Approach for Designing a HashMap
- Define a prime number as the base for the modulo operation to be used as the hash function.
- Initialize an array of predefined size, where each element is a bucket that can hold key-value pairs.
- For the
putmethod, compute the hash key using the modulo operation, access the corresponding bucket, and then add or update the key-value pair within that bucket. - For the
getmethod, compute the hash key to find the bucket, then search through the bucket to find the key-value pair with the matching key and return the value. - For the
removemethod, compute the hash key to locate the bucket, then search through the bucket to find and remove the key-value pair with the matching key.
Chaining with Linked Lists Approach for Designing a HashMap
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