結果

問題 No.213 素数サイコロと合成数サイコロ (3-Easy)
ユーザー 紙ぺーぱー紙ぺーぱー
提出日時 2015-05-24 20:07:08
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 60 ms / 3,000 ms
コード長 7,572 bytes
コンパイル時間 3,459 ms
コンパイル使用メモリ 120,624 KB
実行使用メモリ 25,612 KB
最終ジャッジ日時 2024-07-06 08:05:04
合計ジャッジ時間 2,114 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge1
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 44 ms
25,612 KB
testcase_01 AC 60 ms
23,952 KB
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;
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 = (ulong)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);
            var V = Enumerate(max, x => 1ul);

            var res = Polynomial.Get(n + max - 1, V, C);
            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
public static class Polynomial
{
    static public ulong Get(long n, ulong[] A, ulong[] C)
    {
        var k = C.Length;
        var m = k * 2 - 1;
        ulong[] p = new ulong[k], ret = new ulong[k];
        p[1] = ret[0] = 1;
        for (; n > 0; n >>= 1)
        {
            if ((n & 1) == 1) ret = multiply(ret, p, C);
            p = multiply(p, p, C);
        }
        return substitute(ret, A);
    }
    static ulong[] multiply(ulong[] l, ulong[] r, ulong[] bas)
    {
        const ulong mod = (ulong)1e9 + 7;
        var k = l.Length;
        var ret = new ulong[k << 1];
        for (int i = 0; i < k; i++)
            for (int j = 0; j < k; j++)
                ret[i + j] = (ret[i + j] + l[i] * r[j]) % mod;

        for (int i = (k << 1) - 1; i >= k; i--)
            for (int j = 1; j <= k; j++)
                ret[i - j] = (ret[i - j] + ret[i] * bas[k - j]) % mod;
        /*
        sum = 0ul;
        for (int i = k; i < ret.a.Length; i++)
            sum = (sum + ret.a[i]) % mod;
        val = (ret.val + (sum % mod) * bas.val) % mod;
        //*/

        var ans = new ulong[k];
        Buffer.BlockCopy(ret, 0, ans, 0, sizeof(ulong) * k);
        return ans;
    }
    static ulong substitute(ulong[] val, ulong[] init)
    {
        const ulong mod = (ulong)1e9 + 7;
        ulong ret = 0;
        for (int i = 0; i < val.Length; i++)
            ret = (ulong)((ret + 1ul * init[i] * val[i]) % mod);
        return ret;
    }
    struct polynomial
    {
        public ulong[] a;
        public polynomial(int len) : this() { a = new ulong[len]; }
        public polynomial(ulong[] b) : this() { a = b; }
    }

}

#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; }
    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(n); }
    public static ModInteger operator -(ModInteger l, ModInteger r) { var n = l.num - r.num; if (n < 0)n += Mod; return new ModInteger(n); }
    public static ModInteger operator *(ModInteger l, ModInteger r) { return new ModInteger((l.num * r.num) % Mod); }
    public static implicit operator ModInteger(long n) { return new ModInteger(n); }
}
#endregion
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