Update LongestPalindromicSubstring For Swift 5

- cast strings directly to an array of Chars - count property of String type is available
Ngoys · Jun 1, 2019 · c0d132d · c0d132d
1 parent b2e7678
commit c0d132d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/DP/LongestPalindromicSubstring.swift b/DP/LongestPalindromicSubstring.swift
@@ -8,11 +8,11 @@
 
 class LongestPalindromicSubstring {
     func longestPalindrome(_ s: String) -> String {
-        guard s.characters.count > 1 else {
+        guard s.count > 1 else {
             return s
         }
 
-        var sChars = [Character](s.characters)
+        var sChars = Array(s)
         let len = sChars.count
         var maxLen = 1
         var maxStart = 0