Solution: Similar String Groups
Explore solving the Similar String Groups problem using the Union Find data structure. Understand how to determine string similarity based on character swaps, group connected strings efficiently, and apply these concepts to graph connectivity challenges. Gain insights into the algorithm's time and space complexity and practice implementing this solution for coding interviews.
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Statement
Two strings x and y are considered similar if they are either exactly the same or can be made identical by swapping at most two different characters in string x.
We define a similarity group as a set of strings where each string is similar to at least one other string in the group. A string doesn't need to be directly similar to every other string in the group — it just needs to be connected to them through a chain of similarities.
Given a list of strings strs, where each string is an anagram of the others, your task is to determine how many such similarity groups exist in the list.
Constraints:
strs.lengthstrs[i].lengthstrs[i]consists of lowercase letters only. ...