Histogram

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Histogram
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int number = 0;
            double myCount = 0.00;
            int countP1 = 0;
            int countP2 = 0;
            int countP3 = 0;
            int countP4 = 0;
            int countP5 = 0;
            double p1 = 0.0;
            double p2 = 0.0;
            double p3 = 0.0;
            double p4 = 0.0;
            double p5 = 0.0;
            for (var i=0;i<n; i++)
            {
                number=int.Parse(Console.ReadLine());
                myCount++;
                if (number < 200) {
                    countP1++;
                }
                else if (number >= 200 && number<400)
                {
                    countP2++;
                }
                else if (number >= 400 && number < 600)
                {
                    countP3++;
                }
                else if (number >= 600 && number < 800)
                {
                    countP4++;
                }
                else if (number >= 800)
                {
                    countP5++;
                }
            }//end of for

            p1 = countP1 / myCount * 100;
            p2 = countP2 / myCount * 100;
            p3 = countP3 / myCount * 100;
            p4 = countP4 / myCount * 100;
            p5 = countP5 / myCount * 100;

            Console.WriteLine("{0:f2}%", p1);
            Console.WriteLine("{0:f2}%", p2);
            Console.WriteLine("{0:f2}%", p3);
            Console.WriteLine("{0:f2}%", p4);
            Console.WriteLine("{0:f2}%", p5);
        }
    }
}