To implement a group anagrams solution in Swift, you can use a dictionary to categorize words by their sorted character sequences. This method efficiently groups anagrams together.
func groupAnagrams(_ strs: [String]) -> [[String]] {
var result = [[String]]()
var dict = [String: [String]]()
for str in strs {
let sortedStr = String(str.sorted())
dict[sortedStr, default: []].append(str)
}
for anagrams in dict.values {
result.append(anagrams)
}
return result
}
// Example usage:
let input = ["eat", "tea", "tan", "ate", "nat", "bat"]
let groupedAnagrams = groupAnagrams(input)
print(groupedAnagrams)
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- The Swift implementation is provided in a code block ``.
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- A brief description is included in ``.
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