using System;

public class Program

{

    public static void Main()

    {

        int count = 0;

        int[] ar = {1,1,1,0,1,1,0,0,1,1,1,1,1,1,1};

        int maxOccurences=0;

        for(int i =0;i< ar.Length ;i++){

            int value = ar[i];

            count = 0;

            if(value==1){

                count = 0;

                for(int j =i ; j<ar.Length ;j++){

                    if(ar[j] == 1 )

                    {count ++;}

                    else{

                        break;

                    }

                }       

            }   

            if(count > maxOccurences)

            {

                maxOccurences = count;

            }

    }

        Console.WriteLine(maxOccurences);

    }

​

​

​

}

​