Merge pull request #58 from chandra9302/patch-5

mitchellirvin · web-flow · commit 8fcd76800979 · 2022-07-08T21:49:58.000-04:00
Create 49-Group-Anagrams.swift
diff --git a/swift/49-Group-Anagrams.swift 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)
+  }
+}
