05.More.Exercises.For.Loop-04.Grades

using System;

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

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

            double p1Percent = 0;
            double p2Percent = 0;
            double p3Percent = 0;
            double p4Percent = 0;

            double totalGrade = 0;

            for (int i = 0; i < students; i++)
            {
                double grade = double.Parse(Console.ReadLine());

                if (grade < 3)
                {
                    p1++;

                }
                else if (grade < 4)
                {
                    p2++;

                }
                else if (grade < 5)
                {
                    p3++;

                }
                else
                {
                    p4++;

                }
                totalGrade+= grade;

                p1Percent = p1 / students * 100;
                p2Percent = p2 / students * 100;
                p3Percent = p3 / students * 100;
                p4Percent = p4 / students * 100;
            }

            double average = 0;
            average = totalGrade / students;

            Console.WriteLine($"Top students: {p4Percent:f2}%");
            Console.WriteLine($"Between 4.00 and 4.99: {p3Percent:f2}%");
            Console.WriteLine($"Between 3.00 and 3.99: {p2Percent:f2}% ");
            Console.WriteLine($"Fail: { p1Percent:f2}%");
            Console.WriteLine($"Average: {average:f2}");


        }
    }
}