using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        //cars weighted to be driven within a ten days.

        var vehicles = new List<Vehicle> { 

            new Vehicle { Model = "Accord", Percentile = .6d }, new Vehicle { Model = "Corvette", Percentile = .3d }, new Vehicle { Model = "Motorcycle", Percentile = .1d } 

        };

​

        var vehicleStack = CreateVehicleStack(vehicles);

​

        for (int day = 1; day <= 10; day++)

        {

            if (vehicleStack.Count() == 0)

            {

                vehicleStack = CreateVehicleStack(vehicles);

            }

​

            var v = vehicleStack.Pop();

            Console.WriteLine("driving " + v.Model);

        }

    }

​

    static Stack<Vehicle> CreateVehicleStack(IEnumerable<Vehicle> vehicles)

    {

        var vehicleStack = new Stack<Vehicle>();

        var count = vehicles.Count();

        var orderedVehicles = vehicles.OrderBy(v => v.Percentile);

​

        foreach (var vehicle in orderedVehicles)

        {

            var number = (int)(10 * vehicle.Percentile);

​

            for (int i = 0; i < number; i++)

            {

                vehicleStack.Push(vehicle);

            }

        }

​

        return vehicleStack;

    }

}

​

public class Vehicle

{

    public string Model

    {

        get;

        set;

    }

​

    public double Percentile

    {

        get;

        set;

    }

}