01. Bonus Scoring System

using System;

namespace BonusScoringSystem
{
    class Program
    {
        static void Main(string[] args)
        {
            int students = int.Parse(Console.ReadLine());
            int lectures = int.Parse(Console.ReadLine());
            int bonus = int.Parse(Console.ReadLine());
            int[] attendances = new int[students];

            for (int i = 0; i < students; i++)
            {
                attendances[i] = int.Parse(Console.ReadLine());
            }

            int maxBonus = (int)(lectures > 0 ? Math.Ceiling(1.0 * attendances.Max() / lectures * (5 + bonus)) : 0);

            Console.WriteLine($"Max Bonus: {maxBonus}.\nThe student has attended {(attendances.Sum() > 0 ? attendances.Max() : 0)} lectures.");
        }
    }
}