2 docs tagged with "Hashmap"

Finding letter with highest frequency in a string.

The frequency of a letter in a string refers to the number of times that particular letter appears within the string.In this blog we will learn how to find letter that appears largest number of times

LRU Cache

A complete guide to LRU (Least Recently Used) Cache -- a caching strategy using doubly linked lists and hash maps to achieve O(1) get and put operations.