Solution: Find Words That Can Be Formed by Characters
Explore how to determine which words can be formed using characters from a given string by applying frequency counting techniques. Understand how to build character frequency maps and compare them to solve problems effectively with optimal time and space complexity.
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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...