Question

How to get the unique values of an array in C#

Answer 1

using System;
using System.Linq;

public class UniqueValuesOfAnArray
{
    public static void Main(string[] args)
    {
        int[] arr = { 1, 2, 1, 1, 3, 3, 4, 4, 5, 5, 5, 5, 6, 7, 7, 8 };
        
        var result = (from n in arr select n).Distinct<int>();
        
        foreach (var val in result) {
            Console.Write(val + " ");
        }
    }
}



/*
run:

1 2 3 4 5 6 7 8 

*/

 

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Answer 2

using System;
using System.Linq;

public class UniqueValuesOfAnArray
{
    public static void Main(string[] args)
    {
        int[] arr = { 1, 2, 1, 1, 3, 3, 4, 4, 5, 5, 5, 5, 6, 7, 7, 8 };
        
        var result = arr.Distinct().ToArray();
        
        foreach (var val in result) {
            Console.Write(val + " ");
        }
    }
}


/*
run:

1 2 3 4 5 6 7 8 

*/

 

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