using System;

using System.Linq;

public class Program

{

    public static long CountSubArrays(int[] nums, int k) {

        int len = nums.Length;

        int max = nums.Max();

        int start = 0;

        long res = 0; int maxCountInWindow = 0;

​

        for (int end = 0; end < len; end++)

        {

            if (nums[end] == max)

                maxCountInWindow++;

​

            while (k == maxCountInWindow)

            {

                if (nums[start] == max)

                {

                    maxCountInWindow--;

                }

                start++;

            }

​

            res += start;

        }

​

        return res;

    }

    public static void Main()

    {

        Console.WriteLine("UniLecs");

        // tests

        Console.WriteLine(CountSubArrays(new int[] { 1, 3, 2, 3, 3 }, 2).ToString()); // 6

        Console.WriteLine(CountSubArrays(new int[] { 1, 4, 2, 1 }, 3).ToString()); // 0

    }

}