結果

問題 No.473 和と積の和
ユーザー 紙ぺーぱー紙ぺーぱー
提出日時 2016-12-23 01:50:00
言語 C#(csc)
(csc 3.9.0)
結果
TLE  
(最新)
AC  
(最初)
実行時間 -
コード長 5,966 bytes
コンパイル時間 2,581 ms
コンパイル使用メモリ 112,512 KB
実行使用メモリ 18,048 KB
最終ジャッジ日時 2024-05-09 14:17:57
合計ジャッジ時間 14,758 ms
ジャッジサーバーID
(参考情報)
judge2 / judge1
このコードへのチャレンジ
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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 27 ms
17,792 KB
testcase_01 AC 27 ms
17,664 KB
testcase_02 AC 26 ms
17,792 KB
testcase_03 AC 476 ms
17,792 KB
testcase_04 AC 27 ms
17,664 KB
testcase_05 AC 27 ms
17,792 KB
testcase_06 AC 28 ms
17,536 KB
testcase_07 AC 28 ms
17,792 KB
testcase_08 AC 27 ms
17,792 KB
testcase_09 AC 27 ms
17,792 KB
testcase_10 AC 28 ms
17,792 KB
testcase_11 AC 27 ms
17,664 KB
testcase_12 AC 27 ms
17,792 KB
testcase_13 AC 28 ms
17,536 KB
testcase_14 AC 28 ms
17,536 KB
testcase_15 AC 28 ms
17,664 KB
testcase_16 AC 27 ms
17,792 KB
testcase_17 AC 28 ms
17,536 KB
testcase_18 AC 27 ms
17,664 KB
testcase_19 AC 27 ms
17,664 KB
testcase_20 AC 32 ms
17,664 KB
testcase_21 AC 27 ms
17,536 KB
testcase_22 AC 27 ms
17,792 KB
testcase_23 AC 34 ms
18,048 KB
testcase_24 AC 40 ms
17,792 KB
testcase_25 AC 1,765 ms
17,792 KB
testcase_26 AC 382 ms
17,792 KB
testcase_27 AC 577 ms
17,536 KB
testcase_28 AC 36 ms
17,792 KB
testcase_29 AC 29 ms
17,664 KB
testcase_30 AC 28 ms
17,792 KB
testcase_31 AC 29 ms
17,664 KB
testcase_32 AC 28 ms
18,048 KB
testcase_33 AC 28 ms
17,792 KB
testcase_34 AC 1,007 ms
17,792 KB
testcase_35 AC 847 ms
17,920 KB
testcase_36 AC 29 ms
17,920 KB
testcase_37 AC 28 ms
17,792 KB
testcase_38 AC 762 ms
17,920 KB
testcase_39 AC 359 ms
17,792 KB
testcase_40 AC 393 ms
17,920 KB
testcase_41 TLE -
testcase_42 AC 351 ms
17,792 KB
testcase_43 AC 514 ms
17,664 KB
testcase_44 AC 672 ms
17,920 KB
testcase_45 AC 28 ms
17,792 KB
testcase_46 AC 28 ms
17,664 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.Linq;
using System.Collections.Generic;
using Debug = System.Diagnostics.Debug;
using StringBuilder = System.Text.StringBuilder;
using System.Numerics;
using Point = System.Numerics.Complex;
using Number = System.Int64;
namespace Program
{
    public class Solver
    {
        public void Solve()
        {
            var n = sc.Integer();
            var X = sc.Integer() + 1;
            var d = MathEx.GetDivisors(X);
            var dp = Enumerate(n + 1, x => new int[d.Count]);
            dp[0][0] = 1;
            foreach (var x in d)
            {
                if (x == 1) continue;
                for (int i = 0; i < n; i++)
                    for (int j = 0; j < d.Count; j++)
                    {
                        var y = d[j] * x;
                        if (y == MathEx.GCD(y, X)) dp[i + 1][d.BinarySearch(y)] += dp[i][j];
                    }


            }



            IO.Printer.Out.WriteLine(dp[n][d.Count - 1]);

        }
        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 gcd,lcm
static public partial class MathEx
{

    static public Number GCD(Number x, Number y)
    {
        byte i = 0;
        while (x != 0 && y != 0)
        {
            if (i == 0)
                y %= x;
            else x %= y;
            i ^= 1;
        }
        return x == 0 ? y : x;
    }
    static public Number LCM(Number x, Number y)
    {
        return (x / GCD(x, y)) * y;
    }
    static public Number GCD(params Number[] a)
    {
        var gcd = a[0];
        foreach (var x in a)
            gcd = GCD(gcd, x);
        return gcd;
    }

}
#endregion

#region Divisors
public static partial class MathEx
{
    static public List<Number> GetDivisors(Number v)
    {
        var ret = new List<Number>();
        for (Number i = 1; i * i <= v; i++)
        {
            if (v % i != 0) continue;
            ret.Add(i);
            if (v / i != i) ret.Add(v / i);

        }
        ret.Sort();
        return ret;
    }
}
#endregion
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