EnduranceRally_ExPrepI

using System;
using System.Linq;

namespace _EnduranceRally_ExPrepI
{
    class Program
    {
        static void Main()
        {
            string[] drivers = Console.ReadLine().Split();
            double[] zones = Console.ReadLine().Split().Select(double.Parse).ToArray();
            int[] checkPoints = Console.ReadLine().Split().Select(int.Parse).ToArray();

            for (int i = 0; i < drivers.Length; i++)
            {
                string name = drivers[i];
                double fuel = name[0];
                int endPosition = 0;
                double zoneValue;

                for (int index = 0; index < zones.Length; index++)
                {
                    zoneValue = zones[index];

                    if (checkPoints.Contains(index))
                    {
                        fuel += zoneValue;
                    }
                    else
                    {
                        fuel -= zoneValue;
                    }

                    if (fuel <= 0)
                    {
                        endPosition = index;
                        break;
                    }
                }

                if (fuel >= 0)
                {
                    Console.WriteLine($"{name} - fuel left {fuel:f2}");
                }
                else
                {
                    Console.WriteLine($"{name} - reached {endPosition}");
                }
            }
        }
    }
}   //  80 %