using System;

using System.Collections.Generic;

using static System.Console;

using System.Linq;

public class Program

{

    public static void Main()

    {

        object[] arr1={0,1,2,3};

        double[] arr2={0,9,-1,11,8,-3,7};

        WriteLine($"length of the array is {len(arr1)}");

        for(var coun1=0;coun1<4;coun1++){

            WriteLine($"element {coun1}: {GetValue(arr1,coun1)}");

        }

        foreach(var i in arr1){

            WriteLine($"index of the element {i} is {GetIndex(arr1,i)}");

        }

        WriteLine($"Smallest element is {min(arr2)}\nbiggest element is {max(arr2)}");

    }

    public static int len(Array arr){

        var counter=0;

        foreach(var i in arr){

            counter++;

        }

        return counter;

    }

    public static object GetValue(Array arr,int index){

        object element=0;

        var counter=0;

        foreach(var i in arr){

            element=i;

            if(counter==index){

                break;

            }

            counter++;

        }

        return element;

    }

    public static int GetIndex(Array arr,object elem){

        var i=0;

        foreach(var j in arr){

            if(j==elem){

                break;

            }

            i++;

        }

        return i;

    }

    public static object min(Array arr){

        var Min=(double)GetValue(arr,0);

        foreach(var i in arr){

            if((double)i<Min){

                Min=(double)i;

            }

        }

        return Min;

    }

    public static object max(Array arr){

        var Max=(double)GetValue(arr,0);

        foreach(var i in arr){

            if((double)i>Max){

                Max=(double)i;

            }

        }

        return Max;

    }

}