Time: 600 ms (23.08%), Space: 14.5 MB (92.31%) - LeetHub

Author: bekadeveloper

count-the-number-of-consistent-strings/count-the-number-of-consistent-strings.swift

@@ -0,0 +1,6 @@
+class Solution {
+    func countConsistentStrings(_ allowed: String, _ words: [String]) -> Int {
+        let mySet = Set(allowed)
+        return words.filter { Set($0).isSubset(of: mySet) }.count
+    }
+}