結果

問題 No.666 1000000007で割るだけ
ユーザー AreTrashAreTrash
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 58 ms / 2,000 ms
コード長 3,314 bytes
コンパイル時間 3,339 ms
コンパイル使用メモリ 109,580 KB
実行使用メモリ 22,888 KB
最終ジャッジ日時 2023-09-09 12:31:54
合計ジャッジ時間 5,776 ms
ジャッジサーバーID
(参考情報)
judge14 / judge11
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 57 ms
22,800 KB
testcase_01 AC 56 ms
22,744 KB
testcase_02 AC 57 ms
20,876 KB
testcase_03 AC 57 ms
20,784 KB
testcase_04 AC 56 ms
20,688 KB
testcase_05 AC 57 ms
20,752 KB
testcase_06 AC 58 ms
22,888 KB
testcase_07 AC 57 ms
22,740 KB
testcase_08 AC 58 ms
20,872 KB
testcase_09 AC 58 ms
20,848 KB
testcase_10 AC 58 ms
20,804 KB
testcase_11 AC 57 ms
20,928 KB
testcase_12 AC 57 ms
20,788 KB
testcase_13 AC 57 ms
22,784 KB
testcase_14 AC 57 ms
20,880 KB
testcase_15 AC 58 ms
22,748 KB
testcase_16 AC 58 ms
20,780 KB
testcase_17 AC 56 ms
20,812 KB
testcase_18 AC 58 ms
20,984 KB
testcase_19 AC 57 ms
18,856 KB
testcase_20 AC 58 ms
20,920 KB
testcase_21 AC 58 ms
20,904 KB
testcase_22 AC 56 ms
20,756 KB
testcase_23 AC 57 ms
20,792 KB
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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.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);
        }
    }
}
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