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Il777-hashvs.0x0x0x0x

ArraysContainsCommonItem

Code
Diff
  • using System.Collections.Generic;
using System.Linq;
public class Kata
{
    /// <summary>
    /// Checks if two char arrays contain at least one common item.
    /// </summary>
    /// <param name="a">First char array</param>
    /// <param name="b">Second char array</param>
    /// <returns>True if the arrays have at least one common item, false otherwise</returns>
    public static bool ContainsCommonItem(char[] a, char[] b)
    {
        // If either input array is null, return false
        if (a == null || b == null) return false;

        foreach (char ch in a)
        {
            if (b.Contains(ch)) return true;
        }
        return false;
    }
}
    • using System.Collections.Generic;
    • using System.Linq;
    • public class Kata
    • {
    • /// <summary>
    • /// Checks if two char arrays contain at least one common item.
    • /// </summary>
    • /// <param name="a">First char array</param>
    • /// <param name="b">Second char array</param>
    • /// <returns>True if the arrays have at least one common item, false otherwise</returns>
    • public static bool ContainsCommonItem(char[] a, char[] b)
    • {
    • // If either input array is null, return false
    • if (a == null || b == null) return false;
    • // Create a HashSet from the first array to optimize lookup
    • HashSet<char> setA = new HashSet<char>(a);
    • // Use LINQ's Any method to check if any item in the second array is present in the HashSet
    • return b.Any(item => setA.Contains(item));
    • foreach (char ch in a)
    • {
    • if (b.Contains(ch)) return true;
    • }
    • return false;
    • }
    • }