Ex01, 07.09.2021

using System;

namespace ConsoleApp4
{
    class Program
    {
        static void Main(string[] args)
        {
            int n; // number of pupils in the class
            int g; // pupil grade
            int sum; // sum of pupils grades
            double avg; // average of grades
            int max; // maximum pupil grade
            int min; // minimum pupil grade
            int[] grades; // array of pupils grades


            Console.Write("Enter the number of pupils: ");
            n = int.Parse(Console.ReadLine());

            sum = 0;
            max = 0;
            min = 100;

            grades = new int[n];

            for (int i = 0; i < n; i++)
            {
                Console.Write("Enter grade: ");
                g = int.Parse(Console.ReadLine());
                sum = sum + g;

                if (g > max)
                {
                    max = g;
                }

                if (g < min)
                {
                    min = g;
                }

                grades[i] = g;
            }

            avg = (10 * sum / n) / 10.0;
            //avg = 1.0*sum / n;
            Console.WriteLine("The grades average is " + avg);
            //Console.WriteLine("The grades average is {0}", avg);

            Console.WriteLine("maximum grade is {0}", max);
            Console.WriteLine("minimum grade is {0}", min);

            int c = 0;
            int cmin = 0;

            for (int i = 0; i < n; i++)
            {
                if (grades[i] > avg)
                {
                    c++;
                }
                if (grades[i] < avg)
                {
                    cmin++;
                }
            }


            Console.WriteLine("{0} pupils have grade greater than the average {1}", c, avg);
            Console.WriteLine("{0} pupils have grade lower than the average {1}", cmin, avg);
        }

    }
}