結果

問題 No.491 10^9+1と回文
ユーザー claw88claw88
提出日時 2017-03-29 15:52:01
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 154 ms / 1,000 ms
コード長 2,179 bytes
コンパイル時間 990 ms
コンパイル使用メモリ 111,868 KB
実行使用メモリ 31,540 KB
最終ジャッジ日時 2024-04-08 16:27:18
合計ジャッジ時間 7,976 ms
ジャッジサーバーID
(参考情報)
judge13 / judge15
このコードへのチャレンジ
(要ログイン)

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 32 ms
27,448 KB
testcase_01 AC 34 ms
27,448 KB
testcase_02 AC 34 ms
27,448 KB
testcase_03 AC 44 ms
29,472 KB
testcase_04 AC 34 ms
27,448 KB
testcase_05 AC 44 ms
29,472 KB
testcase_06 AC 154 ms
31,540 KB
testcase_07 AC 34 ms
27,448 KB
testcase_08 AC 32 ms
27,448 KB
testcase_09 AC 32 ms
27,448 KB
testcase_10 AC 33 ms
27,448 KB
testcase_11 AC 34 ms
27,448 KB
testcase_12 AC 33 ms
27,448 KB
testcase_13 AC 32 ms
27,448 KB
testcase_14 AC 33 ms
27,448 KB
testcase_15 AC 33 ms
27,448 KB
testcase_16 AC 33 ms
27,448 KB
testcase_17 AC 32 ms
27,448 KB
testcase_18 AC 33 ms
27,448 KB
testcase_19 AC 34 ms
27,448 KB
testcase_20 AC 33 ms
27,448 KB
testcase_21 AC 32 ms
27,448 KB
testcase_22 AC 34 ms
27,448 KB
testcase_23 AC 33 ms
27,448 KB
testcase_24 AC 32 ms
27,448 KB
testcase_25 AC 34 ms
27,448 KB
testcase_26 AC 33 ms
27,448 KB
testcase_27 AC 32 ms
27,448 KB
testcase_28 AC 32 ms
27,448 KB
testcase_29 AC 33 ms
27,448 KB
testcase_30 AC 34 ms
27,448 KB
testcase_31 AC 32 ms
27,448 KB
testcase_32 AC 33 ms
27,448 KB
testcase_33 AC 32 ms
27,448 KB
testcase_34 AC 33 ms
27,448 KB
testcase_35 AC 33 ms
27,448 KB
testcase_36 AC 33 ms
27,448 KB
testcase_37 AC 32 ms
27,448 KB
testcase_38 AC 34 ms
27,448 KB
testcase_39 AC 32 ms
27,448 KB
testcase_40 AC 33 ms
27,448 KB
testcase_41 AC 32 ms
27,448 KB
testcase_42 AC 32 ms
27,448 KB
testcase_43 AC 32 ms
27,448 KB
testcase_44 AC 32 ms
27,448 KB
testcase_45 AC 34 ms
27,448 KB
testcase_46 AC 32 ms
27,448 KB
testcase_47 AC 32 ms
27,448 KB
testcase_48 AC 32 ms
27,448 KB
testcase_49 AC 34 ms
27,448 KB
testcase_50 AC 34 ms
27,448 KB
testcase_51 AC 33 ms
27,448 KB
testcase_52 AC 32 ms
27,448 KB
testcase_53 AC 32 ms
27,448 KB
testcase_54 AC 33 ms
27,448 KB
testcase_55 AC 32 ms
27,448 KB
testcase_56 AC 32 ms
27,448 KB
testcase_57 AC 33 ms
27,448 KB
testcase_58 AC 32 ms
27,448 KB
testcase_59 AC 31 ms
27,448 KB
testcase_60 AC 32 ms
27,448 KB
testcase_61 AC 34 ms
27,448 KB
testcase_62 AC 32 ms
27,448 KB
testcase_63 AC 33 ms
27,448 KB
testcase_64 AC 31 ms
27,448 KB
testcase_65 AC 32 ms
27,448 KB
testcase_66 AC 32 ms
27,448 KB
testcase_67 AC 42 ms
29,472 KB
testcase_68 AC 32 ms
27,448 KB
testcase_69 AC 31 ms
27,448 KB
testcase_70 AC 32 ms
27,448 KB
testcase_71 AC 32 ms
27,448 KB
testcase_72 AC 32 ms
27,448 KB
testcase_73 AC 32 ms
27,448 KB
testcase_74 AC 32 ms
27,448 KB
testcase_75 AC 34 ms
27,448 KB
testcase_76 AC 31 ms
27,448 KB
testcase_77 AC 32 ms
27,448 KB
testcase_78 AC 32 ms
27,448 KB
testcase_79 AC 33 ms
27,448 KB
testcase_80 AC 33 ms
27,448 KB
testcase_81 AC 32 ms
27,448 KB
testcase_82 AC 32 ms
27,448 KB
testcase_83 AC 31 ms
27,448 KB
testcase_84 AC 34 ms
27,448 KB
testcase_85 AC 34 ms
27,448 KB
testcase_86 AC 31 ms
27,448 KB
testcase_87 AC 32 ms
27,448 KB
testcase_88 AC 32 ms
27,448 KB
testcase_89 AC 33 ms
27,448 KB
testcase_90 AC 31 ms
27,448 KB
testcase_91 AC 32 ms
27,448 KB
testcase_92 AC 31 ms
27,448 KB
testcase_93 AC 32 ms
27,448 KB
testcase_94 AC 33 ms
27,448 KB
testcase_95 AC 31 ms
27,448 KB
testcase_96 AC 31 ms
27,448 KB
testcase_97 AC 46 ms
29,472 KB
testcase_98 AC 151 ms
31,540 KB
testcase_99 AC 123 ms
31,540 KB
testcase_100 AC 122 ms
31,540 KB
testcase_101 AC 100 ms
31,540 KB
testcase_102 AC 103 ms
31,540 KB
testcase_103 AC 149 ms
31,540 KB
testcase_104 AC 150 ms
31,540 KB
testcase_105 AC 149 ms
31,540 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.Generic;
using System.Linq;
using System.IO;
using System.Globalization;
using System.Diagnostics;
using static System.Console;
using Pair = System.Collections.Generic.KeyValuePair<int, int>;

class Program
{
    static void Main()
    {
        SetOut(new StreamWriter(OpenStandardOutput()) { AutoFlush = false });
        new Program().Solve();
        Out.Flush();
    }
    Scanner cin = new Scanner();
    Random rnd = new Random();
    Stopwatch sw = new Stopwatch();
    readonly int[] dd = { 0, 1, 0, -1, 0 };
    readonly int mod = 1000000007;
    readonly string alfa = "abcdefghijklmnopqrstuvwxyz";

    int Z = 1000000001;
    void Solve()
    {
        long N = cin.Nextlong;
        long ans = 0;
        long S = N / Z;
        for (int i = 1; i <= 99999; i++)
        {
            var d = ans;
            var v = i.ToString();
            var s = v;
            var t = v;
            v = new string(v.Reverse().ToArray());
            s += v;
            t += v.Substring(1);
            if (long.Parse(s) <= S) ans++;
            if (long.Parse(t) <= S) ans++;
            //WriteLine($"{i} {v} {s} {t}");
            if (ans == d) break;
        }

        WriteLine(ans);
    }

}

class Scanner
{
    string[] s; int i;
    char[] cs = new char[] { ' ' };
    public Scanner() { s = new string[0]; i = 0; }
    public string[] Scan { get { return ReadLine().Split(); } }
    public int[] Scanint { get { return Array.ConvertAll(Scan, int.Parse); } }
    public long[] Scanlong { get { return Array.ConvertAll(Scan, long.Parse); } }
    public double[] Scandouble { get { return Array.ConvertAll(Scan, double.Parse); } }
    public string Next
    {
        get
        {
            if (i < s.Length) return s[i++];
            string st = ReadLine();
            while (st == "") st = ReadLine();
            s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries);
            i = 0;
            return Next;
        }
    }
    public int Nextint { get { return int.Parse(Next); } }
    public long Nextlong { get { return long.Parse(Next); } }
    public double Nextdouble { get { return double.Parse(Next); } }
}
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