Solution: Group Anagrams
Explore how to group strings that are anagrams by using an optimized frequency mapping method. Learn to implement a hash map with character frequency tuples as keys to efficiently classify anagrams. Understand the time and space complexity benefits over naive sorting approaches to enhance your coding interview skills.
Statement
Given a list of strings strs, group together all strings that are anagrams of each other.
An anagram is a string formed by rearranging the letters of another string, using all original letters exactly once. For example, “eat”, “tea”, and “ate” are anagrams.
Return a list of groups, where each group contains strings that are anagrams of each other.
Note: The order of the groups and the order of strings within each group does not matter.
Constraints:
Let strs be the list of strings given as input to find the anagrams.
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strs.length