Answer Posted / siddharth chauhan

using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication13
{
class Program
{
static void Main(string[] args)
{

Console.WriteLine("Enter Array Length.");
int ArrayLength =
Convert.ToInt32(Console.ReadLine());
int[] arr = new int[ArrayLength];

Console.WriteLine("\nEnter Array Elements");
for (int i = 0; i < arr.Length; i++)
{
arr[i] = Convert.ToInt32(Console.ReadLine());
}

Console.WriteLine("\nElements are :- ");
for (int i = 0; i < arr.Length; i++)
{
Console.WriteLine(arr[i]);
}

int Largest = arr[0], SecondLargest = arr[0],
Smallest = arr[0], SecondSmallest = arr[0];
for (int j = 1; j < arr.Length; j++)
{
if (Smallest > arr[j])
{
Smallest = arr[j];
}

if (Largest < arr[j])
{
Largest = arr[j];
}
}

for (int j = 1; j < arr.Length; j++)
{
int value = arr[j];

if (arr[j] < SecondSmallest && arr[j] !=
Smallest)
{
SecondSmallest = arr[j];
}

if (SecondLargest < arr[j] && arr[j] < Largest)
{
SecondLargest = arr[j];
}
}

Console.WriteLine("Largest : " + Largest);
Console.WriteLine("Second Largest : " +
SecondLargest);
Console.WriteLine("Smallest : " + Smallest);
Console.WriteLine("Second Smallest : " +
SecondSmallest);
Console.ReadLine();

}

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