using System.Collections.Generic; public class Kata { public static bool ContainsCommonItem(char[] a, char[] b) { if (a == null || b == null) return false; return new HashSet<char>(a).Overlaps(b); } }
- using System.Collections.Generic;
- public class Kata
- {
- public static bool ContainsCommonItem(char[] a, char[] b)
- {
if (a == null || b == null) {return false;}- if (a == null || b == null) return false;
HashSet<char> setA = new HashSet<char>(a);foreach (char item in b){if (item != null && setA.Contains(item)){return true;}}return false;- return new HashSet<char>(a).Overlaps(b);
- }
- }