結果
| 問題 |
No.666 1000000007で割るだけ
|
| コンテスト | |
| ユーザー |
AreTrash
|
| 提出日時 | 2018-04-22 10:30:41 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
AC
|
| 実行時間 | 25 ms / 2,000 ms |
| コード長 | 3,314 bytes |
| コンパイル時間 | 3,492 ms |
| コンパイル使用メモリ | 108,288 KB |
| 実行使用メモリ | 18,048 KB |
| 最終ジャッジ日時 | 2024-06-27 05:36:25 |
| 合計ジャッジ時間 | 4,045 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 24 |
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.IO;
using System.Collections.Generic;
namespace No666
{
public class Program
{
void Solve(StreamScanner ss, StreamWriter sw)
{
//---------------------------------
sw.WriteLine(ss.Next(ModInt.Parse) * ss.Next(ModInt.Parse));
//---------------------------------
}
static void Main()
{
var ss = new StreamScanner(new StreamReader(Console.OpenStandardInput()));
var sw = new StreamWriter(Console.OpenStandardOutput()) {AutoFlush = false};
new Program().Solve(ss, sw);
sw.Flush();
}
static readonly Func<string, string> String = s => s;
}
public struct ModInt
{
public static int Mod = 1000000007;
readonly long value;
public int Value { get { return (int)value; } }
public ModInt Inverse { get { return GetInverse(); } }
public ModInt(long value)
{
value %= Mod;
this.value = value < 0 ? value + Mod : value;
}
ModInt GetInverse()
{
if (value == 0) throw new InvalidOperationException("value must NOT equal 0");
return Pow(Mod - 2);
}
public ModInt Square()
{
return this * this;
}
public ModInt Pow(long exp)
{
if (exp == 0) return 1;
if (exp % 2 == 0) return Pow(exp / 2).Square();
return this * Pow(exp - 1);
}
public static ModInt Parse(string str)
{
return long.Parse(str);
}
public static implicit operator ModInt(long value)
{
return new ModInt(value);
}
public static ModInt operator +(ModInt left, ModInt right)
{
return left.value + right.value;
}
public static ModInt operator -(ModInt left, ModInt right)
{
return left.value - right.value;
}
public static ModInt operator *(ModInt left, ModInt right)
{
return left.value * right.value;
}
public static ModInt operator /(ModInt left, ModInt right)
{
return left * right.Inverse;
}
public override bool Equals(object obj)
{
if (!(obj is ModInt)) return false;
return value == ((ModInt)obj).value;
}
public override int GetHashCode()
{
return value.GetHashCode();
}
public override string ToString()
{
return value.ToString();
}
}
public class StreamScanner
{
static readonly char[] Sep = {' '};
readonly Queue<string> buffer = new Queue<string>();
readonly TextReader textReader;
public StreamScanner(TextReader textReader)
{
this.textReader = textReader;
}
public T Next<T>(Func<string, T> parser)
{
if (buffer.Count != 0) return parser(buffer.Dequeue());
var nextStrings = textReader.ReadLine().Split(Sep, StringSplitOptions.RemoveEmptyEntries);
foreach (var nextString in nextStrings) buffer.Enqueue(nextString);
return Next(parser);
}
}
}
AreTrash