結果

問題 No.491 10^9+1と回文
ユーザー mbanmban
提出日時 2017-03-11 19:40:41
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 193 ms / 1,000 ms
コード長 2,740 bytes
コンパイル時間 2,257 ms
コンパイル使用メモリ 101,804 KB
実行使用メモリ 29,784 KB
最終ジャッジ日時 2023-07-24 13:21:03
合計ジャッジ時間 25,758 ms
ジャッジサーバーID
(参考情報)
judge11 / judge12
このコードへのチャレンジ(β)

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 190 ms
25,684 KB
testcase_01 AC 191 ms
25,688 KB
testcase_02 AC 190 ms
29,784 KB
testcase_03 AC 190 ms
25,768 KB
testcase_04 AC 191 ms
25,720 KB
testcase_05 AC 190 ms
25,700 KB
testcase_06 AC 188 ms
27,660 KB
testcase_07 AC 186 ms
25,812 KB
testcase_08 AC 190 ms
27,740 KB
testcase_09 AC 191 ms
27,852 KB
testcase_10 AC 190 ms
25,804 KB
testcase_11 AC 190 ms
25,772 KB
testcase_12 AC 190 ms
25,732 KB
testcase_13 AC 189 ms
23,672 KB
testcase_14 AC 190 ms
27,784 KB
testcase_15 AC 189 ms
25,720 KB
testcase_16 AC 187 ms
25,832 KB
testcase_17 AC 187 ms
23,696 KB
testcase_18 AC 188 ms
25,740 KB
testcase_19 AC 188 ms
25,736 KB
testcase_20 AC 188 ms
27,824 KB
testcase_21 AC 189 ms
25,792 KB
testcase_22 AC 188 ms
25,776 KB
testcase_23 AC 190 ms
27,808 KB
testcase_24 AC 189 ms
27,764 KB
testcase_25 AC 187 ms
25,768 KB
testcase_26 AC 188 ms
27,896 KB
testcase_27 AC 188 ms
27,816 KB
testcase_28 AC 188 ms
19,676 KB
testcase_29 AC 188 ms
19,604 KB
testcase_30 AC 189 ms
19,776 KB
testcase_31 AC 189 ms
19,684 KB
testcase_32 AC 189 ms
19,700 KB
testcase_33 AC 189 ms
19,656 KB
testcase_34 AC 193 ms
19,672 KB
testcase_35 AC 188 ms
19,540 KB
testcase_36 AC 189 ms
19,592 KB
testcase_37 AC 189 ms
19,704 KB
testcase_38 AC 189 ms
19,620 KB
testcase_39 AC 188 ms
19,716 KB
testcase_40 AC 187 ms
19,588 KB
testcase_41 AC 186 ms
19,660 KB
testcase_42 AC 189 ms
19,540 KB
testcase_43 AC 188 ms
19,744 KB
testcase_44 AC 189 ms
19,604 KB
testcase_45 AC 189 ms
19,704 KB
testcase_46 AC 188 ms
19,584 KB
testcase_47 AC 189 ms
19,656 KB
testcase_48 AC 191 ms
19,668 KB
testcase_49 AC 189 ms
19,724 KB
testcase_50 AC 189 ms
19,724 KB
testcase_51 AC 191 ms
19,768 KB
testcase_52 AC 190 ms
19,524 KB
testcase_53 AC 189 ms
19,696 KB
testcase_54 AC 188 ms
19,656 KB
testcase_55 AC 188 ms
19,532 KB
testcase_56 AC 191 ms
19,520 KB
testcase_57 AC 189 ms
19,704 KB
testcase_58 AC 190 ms
19,700 KB
testcase_59 AC 188 ms
19,700 KB
testcase_60 AC 191 ms
19,608 KB
testcase_61 AC 191 ms
19,520 KB
testcase_62 AC 191 ms
19,764 KB
testcase_63 AC 188 ms
19,716 KB
testcase_64 AC 189 ms
19,692 KB
testcase_65 AC 188 ms
19,656 KB
testcase_66 AC 190 ms
19,644 KB
testcase_67 AC 188 ms
19,760 KB
testcase_68 AC 188 ms
19,596 KB
testcase_69 AC 188 ms
19,700 KB
testcase_70 AC 189 ms
19,668 KB
testcase_71 AC 188 ms
19,652 KB
testcase_72 AC 189 ms
19,536 KB
testcase_73 AC 193 ms
19,664 KB
testcase_74 AC 190 ms
19,712 KB
testcase_75 AC 190 ms
19,648 KB
testcase_76 AC 190 ms
19,588 KB
testcase_77 AC 189 ms
19,708 KB
testcase_78 AC 190 ms
19,596 KB
testcase_79 AC 188 ms
19,672 KB
testcase_80 AC 191 ms
19,524 KB
testcase_81 AC 190 ms
19,696 KB
testcase_82 AC 189 ms
19,712 KB
testcase_83 AC 190 ms
19,604 KB
testcase_84 AC 190 ms
19,696 KB
testcase_85 AC 190 ms
19,624 KB
testcase_86 AC 189 ms
19,584 KB
testcase_87 AC 189 ms
19,696 KB
testcase_88 AC 190 ms
19,708 KB
testcase_89 AC 189 ms
19,760 KB
testcase_90 AC 189 ms
19,592 KB
testcase_91 AC 188 ms
19,616 KB
testcase_92 AC 190 ms
19,704 KB
testcase_93 AC 188 ms
19,668 KB
testcase_94 AC 188 ms
19,648 KB
testcase_95 AC 187 ms
19,560 KB
testcase_96 AC 189 ms
19,596 KB
testcase_97 AC 188 ms
19,516 KB
testcase_98 AC 187 ms
19,584 KB
testcase_99 AC 190 ms
19,660 KB
testcase_100 AC 188 ms
19,760 KB
testcase_101 AC 189 ms
19,696 KB
testcase_102 AC 188 ms
19,588 KB
testcase_103 AC 188 ms
19,692 KB
testcase_104 AC 188 ms
19,656 KB
testcase_105 AC 189 ms
19,704 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.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Text;
using System.Text.RegularExpressions;
using System.Linq;
using System.IO;
using System.ComponentModel;

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

public class Scanner
{
    private StreamReader Sr;
    private string[] S;
    private int Index;
    private const char Separator = ' ';

    public Scanner() : this(Console.OpenStandardInput())
    {
        Index = 0;
        S = new string[0];
    }
    public Scanner(Stream source)
    {
        Sr = new StreamReader(source);
    }

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

    public string Next()
    {
        string result;
        if (Index >= S.Length)
        {
            S = Line();
            Index = 0;
        }
        result = S[Index];
        Index++;
        return result;
    }
    public T Next<T>()
    {
        var converter = TypeDescriptor.GetConverter(typeof(T));
        return (T)converter.ConvertFromString(Next());

    }
    public int NextInt()
    {
        return int.Parse(Next());
    }
    public double NextDouble()
    {
        return double.Parse(Next());
    }
    public long NextLong()
    {
        return long.Parse(Next());
    }
    public decimal NextDecimal()
    {
        return decimal.Parse(Next());
    }
    public string[] StringArray(int index = 0)
    {
        Next();
        Index = S.Length;
        return S.Skip(index).ToArray();
    }
    public int[] IntArray(int index = 0)
    {
        return StringArray(index).Select(int.Parse).ToArray();
    }
    public long[] LongArray(int index = 0)
    {
        return StringArray(index).Select(long.Parse).ToArray();
    }
    public bool EndOfStream
    {
        get { return Sr.EndOfStream; }
    }
}

public class Magatro
{
    private long N;
    private const long Mod = (int)1e9 + 1;
    public void Scan()
    {
        Scanner cin = new Scanner();
        N = cin.NextLong();
    }

    public void Solve()
    {
        var max = N / Mod;
        int cnt = 0;

        for (int i = 1; i < 100000; i++)
        {
            string left = i.ToString();
            var right = i.ToString().Reverse().ToArray();
            string rights = new string(right);
            string rightss = new string(right.Skip(1).ToArray());
            if (long.Parse(left + rights) <= max)
            {
                cnt++;
            }
            if (long.Parse(left + rightss) <= max)
            {
                cnt++;
            }
        }
        Console.WriteLine(cnt);
    }

}

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