ソースコード

diff #
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Text;
using System.Text.RegularExpressions;
using System.Linq;
using System.IO;

class Program
{
    static private Magatro M = new Magatro();
    static private void Main(string[]args)
    {
        M.Scan();
        M.Solve();
    }
}

public class Scanner
{
    private string[] S;
    private int Index;
    private char Separator;

    public Scanner(char separator = ' ')
    {
        Index = 0;
        Separator = separator;
    }

    private string[] Line()
    {
        return Console.ReadLine().Split(Separator);
    }

    public string Next()
    {
        string result;
        if (S == null || Index >= S.Length)
        {
            S = Line();
            Index = 0;
        }
        result = S[Index];
        Index++;
        return result;
    }
    public int NextInt()
    {
        return int.Parse(Next());
    }
    public double NextDouble()
    {
        return double.Parse(Next());
    }
    public long NextLong()
    {
        return long.Parse(Next());
    }
}

public class Magatro
{
    private int N;
    private Scanner Sc = new Scanner();
    private double[,] Log = new double[10, 10];
    public void Scan()
    {
        N = Sc.NextInt();
    }
    private void Start()
    {
        for(int i = 1; i < 10; i++)
        {
            for(int j = 0; j < 10; j++)
            {
                Log[i, j] = Math.Log10(i + (double)j / 10);
            }
        }
    }
    public void Solve()
    {
        Start();
        for (int i = 0; i < N; i++)
        {
            int a = Sc.NextInt();
            int b = Sc.NextInt();
            Console.WriteLine(Anser(a, b));
        }
    }
    private string Anser(int a,int b)
    {
        double bLoga = Math.Log10(a) * b;
        int X=0, Y=0, Z;
        Z = (int)bLoga;
        double shousu = bLoga - Z;

        return string.Join(" ", Check(shousu), Z);
    }
    private string Check(double shousu)
    {
        for(int i = 1; i < 10; i++)
        {
            for(int j = 0; j < 10; j++)
            {
                if (Log[i, j] > shousu)
                {
                    if (j == 0)
                    {
                        return string.Join(" ", i - 1, 9);
                    }
                    else
                    {
                        return string.Join(" ", i, j - 1);
                    }
                }
            }
        }
        throw new Exception();
    }
}
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