using System;

public class Program

{

    public static void Main()

    {

        string grades;

        int students;

        double percentage;

        Console.WriteLine("How many students are in the group? : ");

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

        if (students > 10) {

            Console.WriteLine("Invalid amount of students!");

        }

        else {

            double[] scores = new double[students];

            for (int i = 0; i < scores.Length; i++) {

                Console.WriteLine("Enter students scores: ");

                scores[i] = double.Parse(Console.ReadLine());

            }

            for (int x = 0; x < scores.Length; x++) {

                percentage = (scores[x] / 64) * 100;

                if (percentage >= 40 && percentage < 50) {

                    grades = "near pass";

                }

                else if (percentage >= 50 && percentage < 60) {

                    grades = "pass";

                }

                else if (percentage >= 60 && percentage < 70) {

                    grades = "merit";

                }

                else if (percentage > 70) {

                    grades = "distinction";

                }

                else {

                    grades = "Failed";

                }

            Console.WriteLine(x + grades + " - " + percentage);

            }

        }

    }

}

​