Endurance rally

 var drivers = Console.ReadLine()
                .Split(new[]  { ' ' },StringSplitOptions.RemoveEmptyEntries);

            var track = Console.ReadLine()
                .Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
                .Select(double.Parse)
                .ToArray();

            var checkpoints = Console.ReadLine()
                .Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries)
                .Select(int.Parse)
                .ToArray();

            foreach (var driver in drivers)
            {
                double fuel = driver.First();

                for (int i = 0; i < track.Length; i++)
                {
                    if (checkpoints.Contains(i))
                    {
                        fuel += track[i];
                    }
                    else
                    {
                        fuel -= track[i];
                    }
                    if (fuel<=0)
                    {
                        Console.WriteLine($"{driver} - reached {i}");
                        break;
                    }
                }
                if (fuel>0)
                {
                    Console.WriteLine($"{driver} - fuel left {fuel:F2}");
                }
            }