TestWall, C# - rextester

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Reflection;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            foreach( var arg in args) {
                Console.WriteLine(arg);
            }
            //Your code goes here
            
            var arr = new int[] {5, 10, 9, 5, 7, 9, 3, 4, 5, 1, 1, 9, 9, 7, 8};

IntArrayFunction obj = new IntArrayFunction(arr);
            Console.WriteLine(String.Join(",", obj.GetUniqueValues()));
        }        
    }
    
    public class IntArrayFunction
    {
        private readonly int[] Values;
        public IntArrayFunction(int[] arr)
        {
            this.Values = arr;
        }

public int[] GetUniqueValues() {
            var set = new HashSet<int>();
            foreach (var i in Values)
            {
                if (!set.Contains(i))
                {
                    set.Add(i);
                }
            }

var result = set.ToArray();
            Array.Sort(result);
            return result;
        }
    }
        
}

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