結果

問題 No.741 AscNumber(Easy)
ユーザー fgwiebfaoishfgwiebfaoish
提出日時 2020-04-08 01:44:43
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 1,697 ms / 2,000 ms
コード長 3,800 bytes
コンパイル時間 4,010 ms
コンパイル使用メモリ 116,620 KB
実行使用メモリ 345,096 KB
最終ジャッジ日時 2024-07-08 12:34:32
合計ジャッジ時間 26,806 ms
ジャッジサーバーID
(参考情報)
judge2 / judge3
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 20 ms
23,624 KB
testcase_01 AC 20 ms
23,620 KB
testcase_02 AC 20 ms
25,728 KB
testcase_03 AC 20 ms
23,724 KB
testcase_04 AC 19 ms
23,492 KB
testcase_05 AC 21 ms
25,596 KB
testcase_06 AC 20 ms
21,680 KB
testcase_07 AC 22 ms
25,720 KB
testcase_08 AC 19 ms
23,616 KB
testcase_09 AC 20 ms
25,588 KB
testcase_10 AC 19 ms
23,620 KB
testcase_11 AC 20 ms
23,672 KB
testcase_12 AC 20 ms
23,620 KB
testcase_13 AC 20 ms
23,624 KB
testcase_14 AC 20 ms
25,840 KB
testcase_15 AC 20 ms
23,492 KB
testcase_16 AC 19 ms
23,728 KB
testcase_17 AC 19 ms
25,796 KB
testcase_18 AC 20 ms
25,660 KB
testcase_19 AC 20 ms
25,664 KB
testcase_20 AC 21 ms
23,748 KB
testcase_21 AC 20 ms
23,492 KB
testcase_22 AC 22 ms
25,792 KB
testcase_23 AC 21 ms
23,988 KB
testcase_24 AC 20 ms
23,752 KB
testcase_25 AC 21 ms
23,984 KB
testcase_26 AC 20 ms
23,620 KB
testcase_27 AC 20 ms
21,552 KB
testcase_28 AC 20 ms
25,852 KB
testcase_29 AC 20 ms
23,600 KB
testcase_30 AC 22 ms
23,672 KB
testcase_31 AC 23 ms
23,812 KB
testcase_32 AC 22 ms
25,724 KB
testcase_33 AC 23 ms
23,548 KB
testcase_34 AC 25 ms
23,624 KB
testcase_35 AC 1,586 ms
326,800 KB
testcase_36 AC 688 ms
159,932 KB
testcase_37 AC 800 ms
177,496 KB
testcase_38 AC 801 ms
179,008 KB
testcase_39 AC 658 ms
153,300 KB
testcase_40 AC 927 ms
201,064 KB
testcase_41 AC 1,492 ms
301,600 KB
testcase_42 AC 773 ms
168,992 KB
testcase_43 AC 566 ms
133,044 KB
testcase_44 AC 1,123 ms
239,612 KB
testcase_45 AC 1,199 ms
254,120 KB
testcase_46 AC 1,515 ms
313,968 KB
testcase_47 AC 237 ms
73,644 KB
testcase_48 AC 1,530 ms
314,368 KB
testcase_49 AC 1,241 ms
263,752 KB
testcase_50 AC 166 ms
56,728 KB
testcase_51 AC 572 ms
135,744 KB
testcase_52 AC 1,682 ms
341,144 KB
testcase_53 AC 1,697 ms
345,096 KB
testcase_54 AC 1,643 ms
338,224 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.Collections;
using System.Collections.Specialized;
using System.Linq;
using System.Text;
using System.IO;
using System.Reflection;
using static System.Math;
using System.Numerics;
static class Program{
	const int mod=(int)1e9+7;
	static void Main(){
		Sc sc=new Sc();
		var m=sc.I;
		string s="1"+new string('0',m);
		int n=s.Length;
		Mint ans=0;
		var dp=new Mint[n+1][][];
		dp[0]=new Mint[2][];
		for(int j=0;j<2;j++){dp[0][j]=new Mint[10];}
		dp[0][0][0]=1;
		for(int i=0;i<n;i++){
			dp[i+1]=new Mint[2][];
			dp[i+1][0]=new Mint[10];
			dp[i+1][1]=new Mint[10];
			for(int j=0;j<2;j++){
				for(int k=0;k<10;k++){
					int lm=j==0?s[i]-'0':9;
					for(int d=k;d<=lm;d++){dp[i+1][(j==1||d<lm)?1:0][d]+=dp[i][j][k];}
				}
			}
		}
		for(int k = 0;k<10;k++) {ans+=dp[n][1][k];}
		Console.WriteLine("{0}",ans);
	}
}
public struct Mint{
	const int mod=(int)1e9+7;
	private long d;
	public Mint(long d){this.d=d;}
	public static implicit operator Mint(long d){return new Mint(d%mod);}
	public static explicit operator long(Mint d){return d.d;}
	public override string ToString(){return d.ToString();}
	public static Mint operator+(Mint a,long b){a.d=(a.d+b)%mod;return a;}
	public static Mint operator+(Mint a,Mint b){a.d=(a.d+b.d)%mod;return a;}
	public static Mint operator-(Mint a,long b){a.d=(mod+a.d-b)%mod;return a;}
	public static Mint operator-(Mint a,Mint b){a.d=(mod+a.d-b.d)%mod;return a;}
	public static Mint operator*(Mint a,long b){a.d=(a.d*b)%mod;return a;}
	public static Mint operator*(Mint a,Mint b){a.d=(a.d*b.d)%mod;return a;}
	public static Mint operator/(Mint a,long b){a.d=(a.d*Mi(b))%mod;return a;}
	public static Mint operator/(Mint a,Mint b){a.d=(a.d*Mi(b.d))%mod;return a;}
	private static long Mi(long a){
		a=(a+mod)%mod;
		long b=mod,u=1,v=0;
		while(b>0){
			long t=a/b;
			a-=t*b;a^=b;b^=a;a^=b;
			u-=t*v;u^=v;v^=u;u^=v;
		}
		u%=mod;
		if(u<0){u+=mod;}
		return u%mod;
	}
}
public class Sc{
	public int I{get{return int.Parse(Console.ReadLine());}}
	public long L{get{return long.Parse(Console.ReadLine());}}
	public double D{get{return double.Parse(Console.ReadLine());}}
	public string S{get{return Console.ReadLine();}}
	public int[] Ia{get{return Array.ConvertAll(Console.ReadLine().Split(),int.Parse);}}
	public long[] La{get{return Array.ConvertAll(Console.ReadLine().Split(),long.Parse);}}
	public double[] Da{get{return Array.ConvertAll(Console.ReadLine().Split(),double.Parse);}}
	public string[] Sa{get{return Console.ReadLine().Split();}}
	public object[] Oa{get{return Console.ReadLine().Split();}}
	public int[] Ia2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),int.Parse);}}
	public int[] Ia3(int a){return Array.ConvertAll((a.ToString()+" "+Console.ReadLine()).Split(),int.Parse);}
	public int[] Ia3(bool a,int b,bool c,int d){return Array.ConvertAll(((a?b.ToString()+" ":"")+Console.ReadLine()+(c?" "+d.ToString():"")).Split(),int.Parse);}
	public long[] La2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),long.Parse);}}
	public long[] La3(int a){return Array.ConvertAll((a.ToString()+" "+Console.ReadLine()).Split(),long.Parse);}
	public long[] La3(bool a,int b,bool c,int d){return Array.ConvertAll(((a?b.ToString()+" ":"")+Console.ReadLine()+(c?" "+d.ToString():"")).Split(),long.Parse);}
	public T[] Arr<T>(int n,Func<T> f){var a=new T[n];for(int i=0;i<n;i++){a[i]=f();}return a;}
	public T[] Arr<T>(int n,Func<int,T> f){var a=new T[n];for(int i=0;i<n;i++){a[i]=f(i);}return a;}
	public T[] Arr<T>(int n,Func<string[],T> f){var a=new T[n];for(int i=0;i<n;i++){a[i]=f(Console.ReadLine().Split());}return a;}
	public T[] Arr<T>(int n,Func<int,string[],T> f){var a=new T[n];for(int i=0;i<n;i++){a[i]=f(i,Console.ReadLine().Split());}return a;}
}
0