Submission #1334227

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Source Code Expand

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.IO;
using System.Text;
using System.Globalization;
using System.Diagnostics;



class Myon
{
    public Myon() { }
    public static int Main()
    {
        new Myon().calc();
        return 0;
    }

    Scanner cin;
    int H, W;
    int[,] firstBoard;
    int[,] result;
    int[,] check;

    void calc()
    {
        cin = new Scanner();
        H = W = cin.nextInt();
        firstBoard = new int[H, W];
        for (int i = 0; i < H; i++)
        {
            string S = cin.next();
            for (int j = 0; j < W; j++)
            {
                if (S[j] == '#') firstBoard[i, j] = 1;
            }
        }

        result = new int[H, W];
        check = new int[H, W];

        int[] vy = { 1, 0, -1, 0 };
        int[] vx = { 0, 1, 0, -1 }; 

        for (int i = 1; i < H; i++)
        {
            for (int j = 0; j < W; j++)
            {
                if (check[i - 1, j] != firstBoard[i - 1, j])
                {
                    result[i, j] = 1;
                    for (int k = 0; k < 4; k++)
                    {
                        int y = i + vy[k];
                        int x = j + vx[k];
                        if (inside(y, x))
                        {
                            check[y, x] ^= 1;
                        }
                    }
                }
            }
        }

        for (int i = 0; i < H; i++)
        {
            for (int j = 0; j < W; j++)
            {
                if(result[i,j] == 1) Console.Write("#");
                else Console.Write(".");
            }
            Console.WriteLine();
        }
    }
    

    bool inside(int y, int x)
    {
        return y >= 0 && x >= 0 && y < H && x < W;
    } 
}




class Scanner
{
    string[] s;
    int i;

    char[] cs = new char[] { ' ' };

    public Scanner()
    {
        s = new string[0];
        i = 0;
    }

    public string next()
    {
        if (i < s.Length) return s[i++];
        string st = Console.ReadLine();
        while (st == "") st = Console.ReadLine();

        s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries);
        i = 0;
        return s[i++];
    }

    public int nextInt()
    {
        return int.Parse(next());
    }

    public long nextLong()
    {
        return long.Parse(next());
    }

    public double nextDouble()
    {
        return double.Parse(next());
    }

}

Submission Info

Judge Result