Solution: Jewels and Stones
Explore how to solve the Jewels and Stones problem by using hash maps to count jewel stones efficiently. This lesson helps you understand key-value operations, apply hash-based lookups for membership counting, and analyze time and space complexity in Go.
We'll cover the following...
We'll cover the following...
Statement
You are given two strings, jewels and stones. Each character in jewels represents a stone type that is a jewel, and each character in stones represents a stone you have. Count how many characters in stones belong to the set of characters in jewels.
Note: Matching is case-sensitive, so
'a'and'A'are different types of stones.
Constraints:
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