using System;
using System.Collections.Generic;
using System.Text;

namespace Field
{
    /// <summary>
    /// 2009.6.1 with ann by hooyes
    /// </summary>
   public class NumberField
    {
        static void Main(string[] args)
        {

            //Test .
            string[] fieldx ={
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890",
 "1234567890"};

            int r = countSpecialNumbers(fieldx, 3, 18);

            Console.WriteLine(r);
            Console.Read();
        }
        /// <summary>
        /// 获取第i,j格的萝卜数
        /// </summary>
        /// <param name="i">行</param>
        /// <param name="j">列</param>
        /// <param name="fieldx"></param>
        /// <returns></returns>
        public static int fij(int i, int j,string[] fieldx)
        {
            int Rvalue = 0;

            if (i < 0 || j < 0)
            {
                return 0;
            }

            int y = fieldx.Length - 1; //行
            int x = fieldx[0].Length - 1; //列

            if ((i > y) || (j > x))
            {
                return 0;
            }
            string f = fieldx[i];
            byte[] hooyesBy = System.Text.Encoding.ASCII.GetBytes(f);
            char xB = (char)hooyesBy[j];
            Rvalue = int.Parse(xB.ToString());
            return Rvalue;
        }
        /// <summary>
        /// 获取第i,j格的特殊度
        /// </summary>
        /// <param name="i">行</param>
        /// <param name="j">列</param>
        /// <param name="fieldx"></param>
        /// <returns></returns>
        public static int fsp(int i, int j, string[] fieldx)
        {
            int Rvalue = 0;
            Rvalue = fij(i - 1, j, fieldx) + fij(i + 1, j, fieldx) + fij(i, j - 1, fieldx) + fij(i, j+1, fieldx) + fij(i - 1, j - 1, fieldx) + fij(i + 1, j + 1, fieldx) + fij(i - 1, j + 1, fieldx) + fij(i + 1, j - 1, fieldx);
            return Rvalue;
        }
        /// <summary>
        /// 返回满足特殊度在A至B之间的格子数
        /// </summary>
        /// <param name="field"></param>
        /// <param name="A">特殊度下限</param>
        /// <param name="B">特殊度上限</param>
        /// <returns></returns>
        public static int countSpecialNumbers(string[] field, int A, int B)
        {
            int Rvalue = 0;
            //int i=0;
            //int j=0;
            int y = field.Length-1; //行
            int x = field[0].Length-1 ; //列
            for (int i = 0; i <=y; i++)
            {
                for (int j = 0; j <=x;j++)
                {
                    int tInt = fsp(i, j, field);
                    if (tInt >= A && tInt <= B)
                    {
                        Rvalue++;
                    }

                }

            }

            return Rvalue;
        }
    }
}