using System;

public class Program

{

    public static void Main()

    {

        int[] arr  = new int[7]{2,5,4,2,77,8,99};

        int bigger = BiggerThanPrevious(arr);

        Console.WriteLine(bigger);

    }

    public static int BiggerThanPrevious(int[] arr)

    { int count=0;

        for(int i=1; i<arr.Length; i++)

        {  if (arr[i]>arr[i-1])

                count++;

        }

     return count;

    }

​

}