結果

問題 No.214 素数サイコロと合成数サイコロ (3-Medium)
コンテスト
ユーザー 紙ぺーぱー
提出日時 2015-05-25 03:23:15
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 2,661 ms / 3,000 ms
コード長 7,416 bytes
コンパイル時間 1,191 ms
コンパイル使用メモリ 118,460 KB
実行使用メモリ 27,844 KB
最終ジャッジ日時 2024-07-06 08:10:02
合計ジャッジ時間 10,736 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 3
権限があれば一括ダウンロードができます
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

diff # 

using System;
using System.Collections.Generic;
using System.Linq;
using Debug = System.Diagnostics.Debug;
using Watch = System.Diagnostics.Stopwatch;
using StringBuilder = System.Text.StringBuilder;
using System.Numerics;
using System.Threading.Tasks;
namespace Program
{
    public class Solver
    {
        public void Solve()
        {
            var n = sc.Long();
            var p = sc.Integer();
            var c = sc.Integer();
            var a = new int[] { 2, 3, 5, 7, 11, 13 };
            var b = new int[] { 4, 6, 8, 9, 10, 12 };
            var max = 13 * p + 12 * c;
            var A = Enumerate(p + 1, x => new ulong[max + 1]);
            var B = Enumerate(c + 1, x => new ulong[max + 1]);
            A[0][0] = B[0][0] = 1;
            for (int k = 0; k < 6; k++)
                for (int i = 0; i < p; i++)
                    for (int j = 0; j < p * 13; j++)
                        if (A[i][j] > 0) A[i + 1][j + a[k]] += A[i][j];
            for (int k = 0; k < 6; k++)
                for (int i = 0; i < c; i++)
                    for (int j = 0; j < c * 12; j++)
                        if (B[i][j] > 0) B[i + 1][j + b[k]] += B[i][j];
            const ulong mod = (long)1e9 + 7;
            var C = new ulong[max];
            for (int i = 0; i <= max; i++)
                for (int j = 0; j <= max; j++)
                    if (A[p][i] > 0 && B[c][j] > 0) C[max - i - j] = ((C[max - i - j] + A[p][i] * B[c][j]) % mod);
            Polynomial.Register(C);
            var res = Polynomial.Get(n + max - 1);
            IO.Printer.Out.WriteLine(res);
        }

        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 void Swap<T>(ref T a, ref T b) { var tmp = a; a = b; b = tmp; }

    }
}

#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, IEnumerable<T> source) { base.Write(format, source.OfType<object>().ToArray()); }
        public void WriteLine<T>(string format, IEnumerable<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); 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 long Long()
        {
            if (isEof) return long.MinValue;
            long ret = 0; byte b = 0; var ng = false;
            do b = read();
            while (b != '-' && (b < '0' || '9' < b));
            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() { return double.Parse(Scan(), CultureInfo.InvariantCulture); }
        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); }
    }
}
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 Polynomial
static public class Polynomial
{
    const ulong mod = (ulong)1e9 + 7;
    static int k;
    static ulong[] C;
    static int st = -1;
    static public void Register(ulong[] c)
    {
        var cc = new List<ulong>();
        k = c.Length;
        C = new ulong[k + 1];
        var gogo = new List<int>();
        for (int i = 1; i <= k; i++)
            if (c[k - i] > 0) { st = i; break; }
        for (int i = 1; i <= k; i++)
            if (c[k - i] > 0) C[i] = c[k - i]; 
    }
    static public ulong Get(long n)
    {
        ulong[] p = new ulong[k], ret = new ulong[k];
        p[1] = ret[0] = 1;
        //long last = 0;var sw = new System.Diagnostics.Stopwatch(); sw.Start();
        for (; n > 0; n >>= 1)
        {
            if ((n & 1) == 1) multiply(ret, p);
            multiply_self(p);
            //var now = sw.ElapsedMilliseconds;Program.IO.Printer.Out.WriteLine(now - last);last = now;
        }
        //sw.Stop();
        return substitute(ret);
    }
    static void multiply(ulong[] l, ulong[] r)
    {
        var temp = new ulong[k << 1];
        for (int i = 0; i < k; i++) if (l[i] == 0) continue;
            else for (int j = 0; j < k; j++)
                    temp[i + j] = (temp[i + j] + l[i] * r[j]) % mod;
        for (int i = (k << 1) - 1; i >= k; i--)
            for (int j = st; j <= k; j++)
                temp[i - j] = (temp[i - j] + temp[i] * C[j]) % mod;
        Buffer.BlockCopy(temp, 0, l, 0, sizeof(ulong) * k);
    }
    static void multiply_self(ulong[] l)
    {
        var temp = new ulong[k << 1];
        for (int i = 0; i < k; i++)
        {
            if (l[i] == 0) continue;
            for (int j = 0; j < k; j++)
                temp[i + j] = (temp[i + j] + l[i] * l[j]) % mod;
        }
        for (int i = (k << 1) - 1; i >= k; i--)
        {
            if (temp[i] == 0) continue;
            for (int j = st; j <= k; j++)
                temp[i - j] = (temp[i - j] + temp[i] * C[j]) % mod;
        }
        Buffer.BlockCopy(temp, 0, l, 0, sizeof(ulong) * k);
    }
    static ulong substitute(ulong[] val)
    {
        ulong ret = 0;
        for (int i = 0; i < val.Length; i++)
            ret = (ret + val[i]) % mod;
        return ret;
    }
}

#endregion
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