Задача 4 30 08 2015

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Teleport_Points
{
    class Program
    {
        static void Main(string[] args)
        {
            var point1 = Console.ReadLine().Split(' ');
            var point2 = Console.ReadLine().Split(' ');
            var point3 = Console.ReadLine().Split(' ');
            var point4 = Console.ReadLine().Split(' ');
            var radius = double.Parse(Console.ReadLine());
            var step = double.Parse(Console.ReadLine());

            var count = 0;
            //down left side.
            count +=CalculatePoints(point1[0], point1[1], radius, step);
            count +=CalculatePoints(point2[0], point2[1], radius, step);
            count +=CalculatePoints(point3[0], point3[1], radius, step);
            count +=CalculatePoints(point4[0], point4[1], radius, step);
            Console.WriteLine(count);

        }

        private static int CalculatePoints(string x, string y, double radius, double step)
        {
            var pointX = Math.Abs(double.Parse(x));
            var pointY = Math.Abs(double.Parse(y));
            var count = 0;
            for (double i = 0; i < radius; i+=step)
            {
                for (double k = step; k < radius; k+=step)
                {
                    if (i*i +k*k <radius*radius)
                    {
                        if (pointX<=i||pointY<=k)
                    {
                        continue;
                    }
                    count++;

                    }

                }
            }
            Console.WriteLine(count);
            return count;
        }
    }
}