Search⌘ K
AI Features

Jewels and Stones

Explore how to use hash maps to solve the Jewels and Stones problem by counting how many stones are jewels based on case-sensitive matching. This lesson helps you understand key-value operations and apply them to optimize counting tasks, preparing you for similar interview questions.

Statement

You are given two strings, jewels and stones. Each character in jewels represents a stone type that is a jewel, ...