Find smallest and largest in unsorted array, C#

Find smallest and largest in unsorted array

//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;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //Your code goes here
            int [] arr = new int []{2,5,3,5,6,7,2,1,1,7};
            int smallest = findSmallest(arr);
            Console.WriteLine(smallest);
            int largest = findLargest(arr);
            Console.WriteLine(largest);
        }
        
        public static int findSmallest(int[] a)
        {
            int smallest = a[0];
            for(int i=1; i< a.Length; i++)
            {
                if(a[i]<smallest)
                    smallest=a[i];               
                
            }
            return smallest;
            
        }
        
        public static int findLargest(int[] a)
        {
            int largest = a[0];
            for(int i=1; i< a.Length; i++)
            {
                if(a[i]>largest)
                    largest=a[i];               
                
            }
            return largest;
            
        }
    }
}


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