05.PaintBall

using System;
using System.Linq;

class PaintBall
{
    static void Main()
    {
        int[] canvas = new int[10];

        for (int row = 0; row < 10; row++)
        {
            canvas[row] = 1023; // 10 1s in binary
        }

        string currentShot = Console.ReadLine();
        bool isWhite = false;

        while (currentShot != "End")
        {
            string[] shotDetails = currentShot.Split();

            int shotRowCenter = int.Parse(shotDetails[0]);
            int shotColCenter = int.Parse(shotDetails[1]);
            int shotRadius = int.Parse(shotDetails[2]);

            int startCol = Math.Max(shotColCenter - shotRadius, 0);
            int endCol = Math.Min(shotColCenter + shotRadius, 9);
            int startRow = Math.Max(shotRowCenter - shotRadius, 0);
            int endRow = Math.Min(shotRowCenter + shotRadius, 9);

            int maskSize = endCol - startCol + 1;
            int mask = (1 << maskSize) - 1;

            for (int i = startRow; i <= endRow; i++)
            {
                if (isWhite)
                {
                    canvas[i] |= mask << startCol;
                }
                else
                {
                    canvas[i] &= ~(mask << startCol);
                }
            }

            isWhite = !isWhite;
            currentShot = Console.ReadLine();
            //PrintMatrix(canvas);
        }

        int sum = canvas.Sum();
        Console.WriteLine(sum);
    }

    private static void PrintMatrix(int[] canvas)
    {
      foreach (var num in canvas)
        {
            Console.WriteLine(Convert.ToString(num, 2).PadLeft(10, '0'));
       }
    }
}