Question

How to find elements which are in array2 and not in array1 in C#

Answer 1

using System;
using System.Linq;

class Program
{
    static void Main() {
        int[] arr1 = {1, 3, 8,  9, 17, 18};
        int[] arr2 = {1, 8, 5, 12, 18, 19, 100, 120};
        
        var arr = arr2.Except(arr1).ToArray();

        Console.WriteLine(string.Join(" ", arr));
    }
}


/*
run:

5 12 19 100 120

*/

 

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