04. Histogram

using System;

namespace OnTimeForTheExam
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());

            double p1 = 0.00;
            double p2 = 0.00;
            double p3 = 0.00;
            double p4 = 0.00;
            double p5 = 0.00;

            for (int i = 1; i <= n; i++)
            {
                int num = int.Parse(Console.ReadLine());

                if (num < 200)
                {
                    //p1 = p1 + 1;
                    //p1+=1;
                    p1++;
                }
                else if (num < 400)
                {
                    p2++;
                }
                else if (num < 600)
                {
                    p3++;
                }
                else if (num < 800)
                {
                    p4++;
                }
                else
                {
                    p5++;
                }
            }

            p1 = p1 / n * 100;
            p2 = p2 / n * 100;
            p3 = p3 / n * 100;
            p4 = p4 / n * 100;
            p5 = p5 /n  * 100;

            Console.WriteLine($"{p1:F2}%");
            Console.WriteLine($"{p2:F2}%");
            Console.WriteLine($"{p3:F2}%");
            Console.WriteLine($"{p4:F2}%");
            Console.WriteLine($"{p5:F2}%");
        }
    }
}