01. The Biscuit Factory

using System;

namespace _01.MidExam
{
    class Program
    {
        static void Main(string[] args)
        {
           // int biscuitsPerWorkerPerDay = int.Parse(Console.ReadLine());
           double biscuitsPerWorkerPerDay = double.Parse(Console.ReadLine());
            double temp = biscuitsPerWorkerPerDay;
            int countOfWorkers = int.Parse(Console.ReadLine());
            int biscuitsCompetitor30Days = int.Parse(Console.ReadLine());
            double biscuitsPerWorkerProduced = 0;

            for (int day = 1; day <= 30; day++)
            {
                int currentDay = day;

                if (currentDay % 3 == 0)
                {
                    biscuitsPerWorkerPerDay = 0.75 * biscuitsPerWorkerPerDay;
                    //biscuitsPerWorkerPerDay = (int)Math.Round(0.75 * biscuitsPerWorkerPerDay);
                }
                else
                {
                    biscuitsPerWorkerPerDay = temp;
                }

                biscuitsPerWorkerProduced = biscuitsPerWorkerProduced + Math.Round(biscuitsPerWorkerPerDay);
            }

            double totalBiscuits30Days = biscuitsPerWorkerProduced * countOfWorkers;

            double differentProduction = totalBiscuits30Days - biscuitsCompetitor30Days;
            double percentage = Math.Abs(differentProduction / biscuitsCompetitor30Days) * 100;

            Console.WriteLine($"You have produced {totalBiscuits30Days} biscuits for the past month.");

            if (differentProduction > 0)
            {
                Console.WriteLine($"You produce {percentage:f2} percent more biscuits.");
            }
            else
            {
                Console.WriteLine($"You produce {percentage:f2} percent less biscuits.");
            }
        }
    }
}