#411849 (C#(csc)) No.179 塗り分け

• 問題: No.179 塗り分け
• ユーザー: mnzn
• 提出日時: 2019-12-25 10:36:51
• 言語: C#(csc) (csc 3.9.0)
• 結果: AC
• 実行時間: 631 ms / 3,000 ms
• コード長: 5,606 bytes
• コンパイル時間: 2,458 ms
• コンパイル使用メモリ: 116,412 KB
• 実行使用メモリ: 50,500 KB
• 最終ジャッジ日時: 2024-07-23 15:03:59
• 合計ジャッジ時間: 9,472 ms
• ジャッジサーバーID （参考情報）: judge5 / judge4

ファイルパターン	結果
sample	AC * 6
other	AC * 40

コンパイルメッセージ

Microsoft (R) Visual C# Compiler version 3.9.0-6.21124.20 (db94f4cc)
Copyright (C) Microsoft Corporation. All rights reserved.

ソースコード

using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    static void Main(string[] args)
    {
        var H = sc.ReadInt();
        var W = sc.ReadInt();
        var S = sc.ReadStrArray(H);
        var count = S.Aggregate(0, (c, s) => c + s.Count(ch => ch == '#'));
        if (count % 2 == 1 || count == 0)
        {
            Console.WriteLine("NO");
            return;
        }
        for (int dh = -H; dh < H; dh++)
        {
            for (int dw = -W; dw < W; dw++)
            {
                if (dh == 0 && dw == 0) continue;
                var t = new int[H, W];
                for (int i = 0; i < H; i++)
                {
                    for (int j = 0; j < W; j++)
                    {
                        if (S[i][j] == '#')
                        {
                            // 平行移動の大きさとして不適当
                            var h = i + dh;
                            var w = j + dw;
                            if (h < 0 || H <= h) continue;
                            if (w < 0 || W <= w) continue;
                            if (t[i, j] == 0 && t[h, w] == 0 && S[h][w] == '#')
                            {
                                t[i, j] = 1;
                                t[h, w] = 2;
                            }
                        }
                    }
                }
                var ok = true;
                for (int i = 0; i < H; i++)
                {
                    for (int j = 0; j < W; j++)
                    {
                        if (S[i][j] == '#' && t[i, j] == 0) ok = false;
                    }
                }
                if (ok)
                {
                    Console.WriteLine("YES");
                    //Console.WriteLine(dh + " " + dw);
                    return;
                }
            }
        }
        Console.WriteLine("NO");
    }
    static Scanner sc = new Scanner();
}

class Scanner
{
    string[] S = new string[0];
    int Index = 0;
    char[] Separators = new char[] { ' ' };

    public string Next()
    {
        if (this.Index < this.S.Length) return this.S[this.Index++];
        var line = "";
        while (line == "") line = Console.ReadLine();
        this.S = line.Split(this.Separators, StringSplitOptions.RemoveEmptyEntries);
        if (this.S.Length == 0) return this.Next();
        this.Index = 0;
        return this.S[this.Index++];
    }
    public string ReadStr()
    {
        return this.Next();
    }
    public char ReadChar()
    {
        return this.Next()[0];
    }
    public int ReadInt()
    {
        return int.Parse(this.Next());
    }
    public uint ReadUInt()
    {
        return uint.Parse(this.Next());
    }
    public long ReadLong()
    {
        return long.Parse(this.Next());
    }
    public double ReadDouble()
    {
        return double.Parse(this.Next());
    }
    public Tuple<int, int> ReadTup(int add = 0)
    {
        return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add);
    }
    public Tuple<long, long> ReadTupLong(int add = 0)
    {
        return Tuple.Create(this.ReadLong() + add, this.ReadLong() + add);
    }
    public Tuple<int, int, int> ReadTup3(int add = 0)
    {
        return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add);
    }
    public Tuple<int, int, int, int> ReadTup4(int add = 0)
    {
        return Tuple.Create(this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add, this.ReadInt() + add);
    }
    public int[] ReadIntArray(int n)
    {
        var array = new int[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadInt();
        }
        return array;
    }
    public long[] ReadLongArray(int n)
    {
        var array = new long[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadLong();
        }
        return array;
    }
    public double[] ReadDoubleArray(int n)
    {
        var array = new double[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadDouble();
        }
        return array;
    }
    public char[] ReadCharArray(int n)
    {
        var array = new char[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadChar();
        }
        return array;
    }
    public string[] ReadStrArray(int n)
    {
        var array = new string[n];
        for (int i = 0; i < array.Length; i++)
        {
            array[i] = this.ReadStr();
        }
        return array;
    }
    public Tuple<long, long>[] ReadTupLongArray(int n, int add = 0)
    {
        var array = new Tuple<long, long>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTupLong(add);
        }
        return array;
    }
    public Tuple<int, int>[] ReadTupArray(int n, int add = 0)
    {
        var array = new Tuple<int, int>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTup(add);
        }
        return array;
    }
    public Tuple<int, int, int>[] ReadTup3Array(int n, int add = 0)
    {
        var array = new Tuple<int, int, int>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTup3(add);
        }
        return array;
    }
    public Tuple<int, int, int, int>[] ReadTup4Array(int n, int add = 0)
    {
        var array = new Tuple<int, int, int, int>[n];
        for (int i = 0; i < n; i++)
        {
            array[i] = this.ReadTup4(add);
        }
        return array;
    }
}