Problem Challenge: Prefix Map
Explore designing a prefix map that supports inserting key-integer pairs and summing values with matching prefixes. Understand how to implement put and getSum operations to manage prefix-based data efficiently using tries.
We'll cover the following...
We'll cover the following...
Problem Statement
Design a prefix map that must support two operations.
putInMap: This should take a key string and an integer value as the input and map a string key to a given integer value. It should return true if the key does not exist in the map previously; ...