Solution: Find Words That Can Be Formed by Characters
Explore how frequency counting helps identify words that can be formed from a given set of characters. Learn to build and compare frequency maps to efficiently solve the problem, while understanding the solution's time and space complexities.
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Statement
You are given an array of strings words and a string chars.
A string in words is considered good if it can be formed using only the characters available in chars, where each character in chars may be used at most once per word.
Return the sum of the lengths of all good strings in words.
Constraints:
words.lengthwords[i].length,chars.length...