Solution: Jewels and Stones
Explore how to solve the Jewels and Stones problem using hash maps in Go. Learn to count matching characters efficiently by treating jewels as a membership set and stones as the input stream, emphasizing case sensitivity and optimal time and space complexity.
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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