Submission #4315595


Source Code Expand

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Diagnostics;

public class Program
{
    public static void Main(string[] args)
    {
        long[] line = Console.ReadLine().Split(' ').Select(x => long.Parse(x)).ToArray();

        Console.WriteLine(solve(line[1]) - solve(line[0] - 1));
        Console.ReadLine();
    }

    static long solve(long n)
    {
        string S = n.ToString();

        var dp = new long[S.Length + 1, 2, 2];
        dp[0, 0, 0] = 1;

        for (int i = 0; i < S.Length; i++)
        {
            int C = int.Parse(S[i].ToString());
            for (int small = 0; small < 2; small++)
            {
                bool isSmaller = small == 1;
                for (int d = 0; d <= (isSmaller ? 9 : C); d++)
                {
                    for (int j = 0; j < 2; j++)
                    {
                        dp[i + 1, (isSmaller || d < C) ? 1 : 0, (j == 1 || d == 4 || d == 9) ? 1 : 0] += dp[i, small, j];
                    }
                }
            }
        }

        return dp[S.Length, 0, 1] + dp[S.Length, 1, 1];
    }
}

Submission Info

Submission Time
Task D - 禁止された数字
User shidenvip
Language C# (Mono 4.6.2.0)
Score 100
Code Size 1203 Byte
Status AC
Exec Time 24 ms
Memory 13396 KB

Judge Result

Set Name Sample Subtask1 Subtask2
Score / Max Score 0 / 0 30 / 30 70 / 70
Status
AC × 4
AC × 16
AC × 39
Set Name Test Cases
Sample subtask0_sample01.txt, subtask0_sample02.txt, subtask0_sample03.txt, subtask0_sample04.txt
Subtask1 subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask0_sample01.txt, subtask0_sample02.txt, subtask0_sample03.txt
Subtask2 subtask0_sample01.txt, subtask0_sample02.txt, subtask0_sample03.txt, subtask0_sample04.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask2_01.txt, subtask2_02.txt, subtask2_03.txt, subtask2_04.txt, subtask2_05.txt, subtask2_06.txt, subtask2_07.txt, subtask2_08.txt, subtask2_09.txt, subtask2_10.txt, subtask2_11.txt, subtask2_12.txt, subtask2_13.txt, subtask2_14.txt, subtask2_15.txt, subtask2_16.txt, subtask2_17.txt, subtask2_18.txt, subtask2_19.txt, subtask2_20.txt, subtask2_21.txt, subtask2_22.txt
Case Name Status Exec Time Memory
subtask0_sample01.txt AC 23 ms 11220 KB
subtask0_sample02.txt AC 24 ms 13268 KB
subtask0_sample03.txt AC 23 ms 11348 KB
subtask0_sample04.txt AC 24 ms 11220 KB
subtask1_01.txt AC 23 ms 9172 KB
subtask1_02.txt AC 23 ms 11348 KB
subtask1_03.txt AC 23 ms 11220 KB
subtask1_04.txt AC 23 ms 11348 KB
subtask1_05.txt AC 23 ms 11348 KB
subtask1_06.txt AC 23 ms 11348 KB
subtask1_07.txt AC 24 ms 11348 KB
subtask1_08.txt AC 24 ms 11220 KB
subtask1_09.txt AC 24 ms 11348 KB
subtask1_10.txt AC 24 ms 11348 KB
subtask1_11.txt AC 24 ms 11348 KB
subtask1_12.txt AC 23 ms 9172 KB
subtask1_13.txt AC 23 ms 9172 KB
subtask2_01.txt AC 23 ms 11348 KB
subtask2_02.txt AC 24 ms 11220 KB
subtask2_03.txt AC 23 ms 11220 KB
subtask2_04.txt AC 24 ms 13396 KB
subtask2_05.txt AC 24 ms 13268 KB
subtask2_06.txt AC 24 ms 13396 KB
subtask2_07.txt AC 23 ms 9300 KB
subtask2_08.txt AC 23 ms 11220 KB
subtask2_09.txt AC 23 ms 11348 KB
subtask2_10.txt AC 24 ms 11348 KB
subtask2_11.txt AC 23 ms 11348 KB
subtask2_12.txt AC 23 ms 11348 KB
subtask2_13.txt AC 24 ms 11348 KB
subtask2_14.txt AC 24 ms 11348 KB
subtask2_15.txt AC 24 ms 11348 KB
subtask2_16.txt AC 23 ms 11348 KB
subtask2_17.txt AC 23 ms 11220 KB
subtask2_18.txt AC 23 ms 11220 KB
subtask2_19.txt AC 24 ms 11348 KB
subtask2_20.txt AC 23 ms 9300 KB
subtask2_21.txt AC 23 ms 9300 KB
subtask2_22.txt AC 24 ms 11220 KB