Batteries

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
//You are in a battery manufacturing plant. Your task is to stress test the latest batch of batteries for longevity.
//You will receive an array of doubles on the console (first line, space-separated), indicating the capacities of the different //batteries in the batch (in mAh). On the next line, you will receive the usage per hour for each battery as an array of doubles //(second line, space-separated).
//Next, you will receive the amount of hours you have to stress test each battery for (as an integer). Each of the batteries drains by //its capacity until either the testing hours are over, or the battery dies (reaches 0 capacity).
//Print the status of all the batteries at the end of the testing session (in percentage). If any batteries die, along with the //percentage, print how many hours it took. The capacity and percentage are rounded to the 2nd decimal point.

namespace Batteries
{
    class Program
    {
        static void Main(string[] args)
        {
            double[] capacity = Console.ReadLine().Split(' ').Select(double.Parse).ToArray();
            double[] usagePerHour = Console.ReadLine().Split(' ').Select(double.Parse).ToArray();
            int hours = int.Parse(Console.ReadLine());

            for (int i = 0; i < capacity.Length; i++)
            {
                double startCapacity = capacity[i];
                double usedPower = hours * usagePerHour[i];
                double remainingPercent = ((capacity[i] - usedPower) / capacity[i]) * 100.0;
                capacity[i] -= usedPower;
                if (capacity[i] > 0)
                {
                    Console.WriteLine("Battery {0}: {1:f2} mAh ({2:f2})%", i + 1, capacity[i], Math.Round(remainingPercent, 2));
                }
                else if(capacity[i] <=0)
                {
                    double workHours = Math.Ceiling(startCapacity / usagePerHour[i]);
                    Console.WriteLine("Battery {0}: dead (lasted {1} hours)", i+1, workHours);
                }
            }
        }
    }
}