Submission #2227213


Source Code Expand

using System;
using System.Text;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using static System.Console;
using static System.Math;

namespace NotFounds
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var sw = new System.IO.StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
            Console.SetOut(sw);
            new Program().Solve(new ConsoleInput(Console.In, ' '));
            Console.Out.Flush();
        }

        public void Solve(ConsoleInput cin)
        {
            const long MOD = 1000000007;
            var N = cin.ReadInt;

            var map = new int[1001];
            for (int i = 2; i <= N; ++i)
            {
                var n = i;
                for (int j = 2; j <= n; ++j)
                    while (n != 0 && n % j == 0) { n /= j; map[j]++; }
            }
            var ans = 1L;

            for (int i = 2; i <= N; ++i)
                ans = (map[i] == 0 ? 1 : (map[i] + 1)) * ans % MOD;
            WriteLine(ans);
        }
    }

    public class ConsoleInput
    {
        private readonly System.IO.TextReader _stream;
        private char _separator = ' ';
        private Queue<string> inputStream;
        public ConsoleInput(System.IO.TextReader stream, char separator = ' ')
        {
            this._separator = separator;
            this._stream = stream;
            inputStream = new Queue<string>();
        }
        public string Read
        {
            get
            {
                if (inputStream.Count != 0) return inputStream.Dequeue();
                string[] tmp = _stream.ReadLine().Split(_separator);
                for (int i = 0; i < tmp.Length; ++i)
                    inputStream.Enqueue(tmp[i]);
                return inputStream.Dequeue();
            }
        }
        public string ReadLine { get { return _stream.ReadLine(); }}
        public int ReadInt { get { return int.Parse(Read); }}
        public long ReadLong { get { return long.Parse(Read); }}
        public double ReadDouble { get { return double.Parse(Read); }}
        public string[] ReadStrArray(long N) { var ret = new string[N]; for (long i = 0; i < N; ++i) ret[i] = Read; return ret;}
        public int[] ReadIntArray(long N) { var ret = new int[N]; for (long i = 0; i < N; ++i) ret[i] = ReadInt; return ret;}
        public long[] ReadLongArray(long N) { var ret = new long[N]; for (long i = 0; i < N; ++i) ret[i] = ReadLong; return ret;}
        public void ReadIntArrays(long N, out int[] A, out int[] B) { A = new int[N]; B = new int[N]; for (long i = 0; i < N; ++i) { A[i] = ReadInt; B[i] = ReadInt; }}
    }
}

Submission Info

Submission Time
Task C - Factors of Factorial
User donguri411
Language C# (Mono 4.6.2.0)
Score 300
Code Size 2759 Byte
Status AC
Exec Time 22 ms
Memory 11220 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 10
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_certain_01.txt, subtask_1_certain_02.txt, subtask_1_certain_03.txt, subtask_1_certain_04.txt, subtask_1_rand_01.txt, subtask_1_rand_02.txt, subtask_1_rand_03.txt
Case Name Status Exec Time Memory
sample_01.txt AC 22 ms 11220 KB
sample_02.txt AC 21 ms 9172 KB
sample_03.txt AC 22 ms 9172 KB
subtask_1_certain_01.txt AC 22 ms 9172 KB
subtask_1_certain_02.txt AC 21 ms 9172 KB
subtask_1_certain_03.txt AC 22 ms 9172 KB
subtask_1_certain_04.txt AC 22 ms 9172 KB
subtask_1_rand_01.txt AC 22 ms 11220 KB
subtask_1_rand_02.txt AC 22 ms 11220 KB
subtask_1_rand_03.txt AC 22 ms 9172 KB