diff --git a/swift/49-Group-Anagrams.swift b/swift/49-Group-Anagrams.swift new file mode 100644 index 000000000..f66092109 --- /dev/null +++ b/swift/49-Group-Anagrams.swift @@ -0,0 +1,19 @@ +/** + * Question Link: https://leetcode.com/problems/anagrams/ + */ + +class GroupAnagrams { + func groupAnagrams(_ strs: [String]) -> [[String]] { + var ans = [[Int]:[String]]() + let a = "a" as Character + + for s in strs { + var count = [Int](repeating: 0, count: 26) + for c in Array(s) { + count[Int(c.asciiValue! - a.asciiValue!)] += 1 + } + ans[count, default: []].append(s) + } + return Array(ans.values) + } +}
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