19-Histogram-exam2016-03-06

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

namespace _19_Histogram_exam2016_03_06
    {
    class Histogram
        {
        static void Main(string[] args)
            {
            double p1 = 0.0;
            double p2 = 0.0;
            double p3 = 0.0;
            double p4 = 0.0;
            double p5 = 0.0;
            int num;
            var n = int.Parse(Console.ReadLine());

            for (int i = 0; i < n; i++)
                {
                num = int.Parse(Console.ReadLine());

                if (num<200)
                    {
                    p1 += 1;
                    }
                else
                    {
                    if (num>=200&&num<400)
                        {
                        p2 += 1;
                        }
                    else
                        {
                        if (num>=400&&num<600)
                            {
                            p3 += 1;
                            }
                        else
                            {
                            if (num>=600&&num<800)
                                {
                                p4 += 1;
                                }
                            else
                                {
                                if (num>=800)
                                    {
                                    p5 += 1;
                                    }
                                }
                            }
                        }
                    }
                }
            p1 = (p1 / n) * 100;
            Console.WriteLine("{0:f2}%",p1);
            p2 = (p2 / n) * 100;
            Console.WriteLine("{0:f2}%", p2);
            p3 = (p3 / n) * 100;
            Console.WriteLine("{0:f2}%", p3);
            p4 = (p4 / n) * 100;
            Console.WriteLine("{0:f2}%", p4);
            p5 = (p5 / n) * 100;
            Console.WriteLine("{0:f2}%", p5);

            }
        }
    }