#94176 (C#(csc)) No.226 0-1パズル

• 問題: No.226 0-1パズル
• ユーザー: 紙ぺーぱー
• 提出日時: 2016-05-26 12:25:52
• 言語: C#(csc) (csc 3.9.0)
• 結果: AC
• 実行時間: 25 ms / 5,000 ms
• コード長: 7,267 bytes
• コンパイル時間: 1,132 ms
• コンパイル使用メモリ: 118,084 KB
• 実行使用メモリ: 25,992 KB
• 最終ジャッジ日時: 2024-07-26 14:24:16
• 合計ジャッジ時間: 2,595 ms
• ジャッジサーバーID （参考情報）: judge3 / judge4

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	25 ms; 25,688 KB
testcase_01	AC	23 ms; 23,824 KB
testcase_02	AC	24 ms; 23,520 KB
testcase_03	AC	23 ms; 25,992 KB
testcase_04	AC	24 ms; 25,944 KB
testcase_05	AC	24 ms; 25,688 KB
testcase_06	AC	22 ms; 23,696 KB
testcase_07	AC	23 ms; 21,424 KB
testcase_08	AC	23 ms; 23,952 KB
testcase_09	AC	24 ms; 23,964 KB
testcase_10	AC	24 ms; 23,728 KB
testcase_11	AC	24 ms; 21,428 KB
testcase_12	AC	23 ms; 21,684 KB
testcase_13	AC	23 ms; 23,900 KB
testcase_14	AC	23 ms; 25,884 KB
testcase_15	AC	24 ms; 23,656 KB
testcase_16	AC	24 ms; 23,596 KB
testcase_17	AC	24 ms; 25,860 KB
testcase_18	AC	25 ms; 25,696 KB
testcase_19	AC	22 ms; 21,812 KB
testcase_20	AC	23 ms; 25,688 KB
testcase_21	AC	22 ms; 23,776 KB

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.Linq;
using System.Collections.Generic;
using Debug = System.Diagnostics.Debug;
using StringBuilder = System.Text.StringBuilder;
using System.Numerics;
using Number = System.Int64;
namespace Program
{

    public class Solver
    {
        public void Solve()
        {
            var n = sc.Integer();
            var m = sc.Integer();
            var s = Enumerate(n, x => sc.Char(m));
            var t = Enumerate(m, x => new char[n]);
            for (int i = 0; i < n; i++)
                for (int j = 0; j < m; j++)
                    t[j][i] = s[i][j];
            var ptn = "01";
            Func<char[][], ModInteger> f = mat =>
                {
                    //dp[0]: 0101...0101
                    //dp[1]: 1010...1010
                    var dp = new ModInteger[2] { 1, 0 };
                    for (int i = 0; i < mat.Length; i++)
                    {
                        var next = new ModInteger[2];
                        for (int k = 0; k < 2; k++)
                        {
                            var valid = true;
                            for (int j = 0; j < mat[0].Length; j++)
                            {
                                var c = ptn[k ^ (j % 2)];
                                if (mat[i][j] == '?') continue;
                                if (mat[i][j] != c) valid = false;
                            }
                            if (valid) next[k] += dp[0] + dp[1];
                        }
                        dp = next;
                    }


                    return dp[0] + dp[1];
                };
            var ans = f(s) + f(t);
            var flag = 0;
            for (int i = 0; i < n; i++)
                for (int j = 0; j < m; j++)
                {
                    if (s[i][j] == '?') continue;
                    if (s[i][j] != ptn[(i + j) % 2]) flag |= 1;
                    if (s[i][j] != ptn[((i + j) % 2) ^ 1]) flag |= 2;
                }
            if (flag % 2 == 0) ans -= 1;
            if ((flag >> 1) == 0) ans -= 1;
            IO.Printer.Out.WriteLine(ans);



        }
        public IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput());
        static T[] Enumerate<T>(int n, Func<int, T> f) { var a = new T[n]; for (int i = 0; i < n; ++i) a[i] = f(i); return a; }
        static public void Swap<T>(ref T a, ref T b) { var tmp = a; a = b; b = tmp; }
    }
}

#region main
static class Ex
{
    static public string AsString(this IEnumerable<char> ie) { return new string(System.Linq.Enumerable.ToArray(ie)); }
    static public string AsJoinedString<T>(this IEnumerable<T> ie, string st = " ") { return string.Join(st, ie); }
    static public void Main()
    {
        var solver = new Program.Solver();
        solver.Solve();
        Program.IO.Printer.Out.Flush();
    }
}
#endregion
#region Ex
namespace Program.IO
{
    using System.IO;
    using System.Text;
    using System.Globalization;
    public class Printer : StreamWriter
    {
        static Printer() { Out = new Printer(Console.OpenStandardOutput()) { AutoFlush = false }; }
        public static Printer Out { get; set; }
        public override IFormatProvider FormatProvider { get { return CultureInfo.InvariantCulture; } }
        public Printer(System.IO.Stream stream) : base(stream, new UTF8Encoding(false, true)) { }
        public Printer(System.IO.Stream stream, Encoding encoding) : base(stream, encoding) { }
        public void Write<T>(string format, T[] source) { base.Write(format, source.OfType<object>().ToArray()); }
        public void WriteLine<T>(string format, T[] source) { base.WriteLine(format, source.OfType<object>().ToArray()); }
    }
    public class StreamScanner
    {
        public StreamScanner(Stream stream) { str = stream; }
        public readonly Stream str;
        private readonly byte[] buf = new byte[1024];
        private int len, ptr;
        public bool isEof = false;
        public bool IsEndOfStream { get { return isEof; } }
        private byte read()
        {
            if (isEof) return 0;
            if (ptr >= len) { ptr = 0; if ((len = str.Read(buf, 0, 1024)) <= 0) { isEof = true; return 0; } }
            return buf[ptr++];
        }
        public char Char() { byte b = 0; do b = read(); while ((b < 33 || 126 < b) && !isEof); return (char)b; }

        public string Scan()
        {
            var sb = new StringBuilder();
            for (var b = Char(); b >= 33 && b <= 126; b = (char)read())
                sb.Append(b);
            return sb.ToString();
        }
        public string ScanLine()
        {
            var sb = new StringBuilder();
            for (var b = Char(); b != '\n'; b = (char)read())
                if (b == 0) break;
                else if (b != '\r') sb.Append(b);
            return sb.ToString();
        }
        public long Long()
        {
            if (isEof) return long.MinValue;
            long ret = 0; byte b = 0; var ng = false;
            do b = read();
            while (b != 0 && b != '-' && (b < '0' || '9' < b));
            if (b == 0) return long.MinValue;
            if (b == '-') { ng = true; b = read(); }
            for (; true; b = read())
            {
                if (b < '0' || '9' < b)
                    return ng ? -ret : ret;
                else ret = ret * 10 + b - '0';
            }
        }
        public int Integer() { return (isEof) ? int.MinValue : (int)Long(); }
        public double Double() { var s = Scan(); return s != "" ? double.Parse(s, CultureInfo.InvariantCulture) : double.NaN; }
        private T[] enumerate<T>(int n, Func<T> f)
        {
            var a = new T[n];
            for (int i = 0; i < n; ++i) a[i] = f();
            return a;
        }

        public char[] Char(int n) { return enumerate(n, Char); }
        public string[] Scan(int n) { return enumerate(n, Scan); }
        public double[] Double(int n) { return enumerate(n, Double); }
        public int[] Integer(int n) { return enumerate(n, Integer); }
        public long[] Long(int n) { return enumerate(n, Long); }
    }
}
#endregion

#region ModNumber
public partial struct ModInteger
{
    public const long Mod = (long)1e9 + 7;
    public long num;
    public ModInteger(long n) : this() { num = n % Mod; if (num < 0) num += Mod; }
    public override string ToString() { return num.ToString(); }
    public static ModInteger operator +(ModInteger l, ModInteger r) { var n = l.num + r.num; if (n >= Mod) n -= Mod; return new ModInteger() { num = n }; }
    public static ModInteger operator -(ModInteger l, ModInteger r) { var n = l.num + Mod - r.num; if (n >= Mod) n -= Mod; return new ModInteger() { num = n }; }
    public static ModInteger operator *(ModInteger l, ModInteger r) { return new ModInteger(l.num * r.num); }
    public static ModInteger operator ^(ModInteger l, long r) { return ModInteger.Pow(l, r); }
    public static implicit operator ModInteger(long n) { return new ModInteger(n); }
    public static ModInteger Pow(ModInteger v, long k)
    {
        ModInteger ret = 1;
        var n = k;
        for (; n > 0; n >>= 1, v *= v)
        {
            if ((n & 1) == 1)
                ret = ret * v;
        }
        return ret;
    }
}
#endregion