#203961 (C#(csc)) No.565 回転拡大

• 問題: No.565 回転拡大
• ユーザー: くれちー
• 提出日時: 2017-09-11 03:04:04
• 言語: C#(csc) (csc 3.9.0)
• 結果: AC
• 実行時間: 28 ms / 2,000 ms
• コード長: 4,457 bytes
• コンパイル時間: 1,054 ms
• コンパイル使用メモリ: 119,844 KB
• 実行使用メモリ: 19,072 KB
• 最終ジャッジ日時: 2024-11-07 13:04:05
• 合計ジャッジ時間: 3,105 ms
• ジャッジサーバーID （参考情報）: judge2 / judge5

ファイルパターン	結果
sample	AC * 3
other	AC * 30

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;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Numerics;
using System.Text;
using static System.Console;
using static System.Convert;
using static System.Math;
using static Extentions;

class IO
{
    int idx;
    string[] input = In.ReadToEnd().Split(new[] { " ", "\n", "\r" },
        StringSplitOptions.RemoveEmptyEntries);

    T Get<T>(Func<string, T> parser) => parser(input[idx++]);

    public string S => Get(s => s);
    public char C => Get(char.Parse);
    public int I => Get(int.Parse);
    public long L => Get(long.Parse);
    public double F => Get(double.Parse);
    public decimal D => Get(decimal.Parse);
    public BigInteger B => Get(BigInteger.Parse);

    T[] Gets<T>(int n, Func<string, T> parser)
        => input.Skip((idx += n) - n).Take(n).Select(parser).ToArray();

    public string[] Ss(int n) => Gets(n, s => s);
    public char[] Cs(int n) => Gets(n, char.Parse);
    public int[] Is(int n) => Gets(n, int.Parse);
    public long[] Ls(int n) => Gets(n, long.Parse);
    public double[] Fs(int n) => Gets(n, double.Parse);
    public decimal[] Ds(int n) => Gets(n, decimal.Parse);
    public BigInteger[] Bs(int n) => Gets(n, BigInteger.Parse);

    public void Write<T>(params T[] xs) => WriteLine(string.Join(" ", xs));
    public void Write(params object[] xs) => WriteLine(string.Join(" ", xs));
}

#region Library

class MatrixIndexer<T>
{
    T[][] array;
    int rowMaxIndex, columnMaxIndex;
    int rotation = 0, magnification = 1;

    public MatrixIndexer(T[][] array)
    {
        this.array = array;
        rowMaxIndex = array.Length - 1;
        columnMaxIndex = array.Max(x => x.Length) - 1;
    }

    public int RowLength => ((this.Rotation % 2 == 0 == !this.Transposed
        ? rowMaxIndex : columnMaxIndex) + 1) * this.Magnification;

    public int ColumnLength => ((this.Rotation % 2 == 0 == !this.Transposed
        ? columnMaxIndex : rowMaxIndex) + 1) * this.Magnification;

    public int Rotation
    {
        get { return rotation; }
        set { rotation = value % 4 + 4 % 4; }
    }

    public int Magnification
    {
        get { return magnification; }
        set
        {
#if DEBUG
            if (value < 1) throw new ArgumentException();
#endif
            magnification = value;
        }
    }

    public bool Transposed { get; set; } = false;

    public T this[int row, int column]
    {
        get
        {
            var idx = GetIndex(row, column);
            return array[idx.First][idx.Second];
        }
        set
        {
            var idx = GetIndex(row, column);
            array[idx.First][idx.Second] = value;
        }
    }

    Pair<int, int> GetIndex(int row, int column)
    {
        row /= this.Magnification;
        column /= this.Magnification;

        if (this.Transposed) Swap(ref row, ref column);

        return new Pair<int, int>
        {
            First = rotation == 0 ? row
                  : rotation == 1 ? rowMaxIndex - column
                  : rotation == 2 ? rowMaxIndex - row
                  : column,

            Second = rotation == 0 ? column
                   : rotation == 1 ? row
                   : rotation == 2 ? columnMaxIndex - column
                   : columnMaxIndex - row
        };
    }
}

struct Pair<T1, T2>
{
    public T1 First;
    public T2 Second;

    public Pair(T1 first, T2 second)
    {
        First = first;
        Second = second;
    }
}

static class Extentions
{
    public static void Swap<T>(ref T x, ref T y)
    {
        var tmp = x;
        x = y;
        y = tmp;
    }
}

#endregion

static class Program
{
    public static void Main()
    {
        var sw = new StreamWriter(OpenStandardOutput()) { NewLine = "\n" };
#if DEBUG
        sw.AutoFlush = true;
#else
        sw.AutoFlush = false;
#endif
        SetOut(sw);
        Solve(new IO());
        Out.Flush();
    }

    static void Solve(IO io)
    {
        var r = io.I;
        var k = io.I;
        var h = io.I;
        var w = io.I;

        var c = new char[h][];
        for (var i = 0; i < h; i++) c[i] = io.S.ToCharArray();

        var mi = new MatrixIndexer<char>(c)
        {
            Rotation = r / 90,
            Magnification = k,
        };
        
        for (var i = 0; i < mi.RowLength; i++)
        {
            for (var j = 0; j < mi.ColumnLength; j++) Write(mi[i, j]);
            WriteLine();
        }
    }
}