2016_March_6 Histogram

using System;

public class Program
{
    public static void Main()
    {

        int count = int.Parse(Console.ReadLine());

        double p1 = 0;
        double p2 = 0;
        double p3 = 0;
        double p4 = 0;
        double p5 = 0;

        for (int i=0; i<count; i++)
            {
                var num = int.Parse(Console.ReadLine());
            if (num<200) p1++;
            else if (num>=200 && num<400) p2++;
            else if (num>=400 && num<600) p3++;
            else if (num>=600 && num<800) p4++;
            else
                p5++;
            }
        double p1p = p1/count*100;
        double p2p = p2/count*100;
        double p3p = p3/count*100;
        double p4p = p4/count*100;
        double p5p = p5/count*100;

        Console.WriteLine("{0:f2}%", p1p);
        Console.WriteLine("{0:f2}%", p2p);
        Console.WriteLine("{0:f2}%", p3p);
        Console.WriteLine("{0:f2}%", p4p);
        Console.WriteLine("{0:f2}%", p5p);
    }
}