結果
問題 | No.1740 Alone 'a' |
ユーザー | fgwiebfaoish |
提出日時 | 2021-11-12 21:31:56 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 664 ms / 2,000 ms |
コード長 | 4,990 bytes |
コンパイル時間 | 3,628 ms |
コンパイル使用メモリ | 107,324 KB |
実行使用メモリ | 29,972 KB |
最終ジャッジ日時 | 2023-08-16 21:42:04 |
合計ジャッジ時間 | 15,884 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge15 |
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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 | 58 ms
22,812 KB |
testcase_01 | AC | 57 ms
20,680 KB |
testcase_02 | AC | 58 ms
22,636 KB |
testcase_03 | AC | 664 ms
29,972 KB |
testcase_04 | AC | 659 ms
28,008 KB |
testcase_05 | AC | 75 ms
20,724 KB |
testcase_06 | AC | 73 ms
20,568 KB |
testcase_07 | AC | 59 ms
22,756 KB |
testcase_08 | AC | 58 ms
20,812 KB |
testcase_09 | AC | 58 ms
20,696 KB |
testcase_10 | AC | 57 ms
20,548 KB |
testcase_11 | AC | 143 ms
21,428 KB |
testcase_12 | AC | 431 ms
26,328 KB |
testcase_13 | AC | 408 ms
28,024 KB |
testcase_14 | AC | 500 ms
29,524 KB |
testcase_15 | AC | 61 ms
20,644 KB |
testcase_16 | AC | 397 ms
25,824 KB |
testcase_17 | AC | 61 ms
20,596 KB |
testcase_18 | AC | 115 ms
21,076 KB |
testcase_19 | AC | 430 ms
26,356 KB |
testcase_20 | AC | 254 ms
25,372 KB |
testcase_21 | AC | 326 ms
22,588 KB |
testcase_22 | AC | 378 ms
27,544 KB |
testcase_23 | AC | 377 ms
27,420 KB |
testcase_24 | AC | 256 ms
25,416 KB |
testcase_25 | AC | 255 ms
23,504 KB |
testcase_26 | AC | 316 ms
22,380 KB |
testcase_27 | AC | 337 ms
24,868 KB |
testcase_28 | AC | 293 ms
26,124 KB |
testcase_29 | AC | 499 ms
29,528 KB |
testcase_30 | AC | 330 ms
24,656 KB |
testcase_31 | AC | 388 ms
25,568 KB |
testcase_32 | AC | 294 ms
24,116 KB |
testcase_33 | AC | 382 ms
25,540 KB |
testcase_34 | AC | 126 ms
21,196 KB |
testcase_35 | AC | 281 ms
23,760 KB |
testcase_36 | AC | 246 ms
23,200 KB |
testcase_37 | AC | 128 ms
21,180 KB |
testcase_38 | AC | 212 ms
24,784 KB |
testcase_39 | AC | 83 ms
20,564 KB |
testcase_40 | AC | 158 ms
21,680 KB |
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
using System; using System.Collections.Generic; using System.Collections; using System.Collections.Specialized; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.IO; using System.Reflection; using static System.Math; using System.Numerics; using System.Threading; using System.Runtime.CompilerServices; using System.Diagnostics; //using nint=System.Int32; static class Program{ const int mod=998244353; static void Main(){ Sc sc=new Sc(); var n=sc.I; var s=sc.S; var a=new int[n]; for(int i = 0;i<n;i++) {a[i]=s[i]-'a';} Console.WriteLine("{0}",Fu1(a)); } static int Fu1(int[] a){ int n=a.Length; Mint ans=0; var dp=new Mint[n+1,2,2]; dp[0,0,0]=1; for(int i=0;i<n;i++){ for(int j=0;j<2;j++){ for(int k=0;k<2;k++){ int ul=j==0?a[i]:25; for(int d=k==1?1:0;d<=ul;d++){dp[i+1,(j==1||d<ul)?1:0,(k==1||d==0)?1:0]+=dp[i,j,k];} } } } for(int j=0;j<2;j++){ans+=dp[n,j,1];} return (int)dp[n,1,1]; } } public struct Mint{ const int mod=998244353; 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=(mod+a.d+b%mod)%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)%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=b%mod*a.d%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;} public static bool operator==(Mint a,long b){return (long)a==b;} public static bool operator!=(Mint a,long b){return (long)a!=b;} public override bool Equals(object obj){return false;} public override int GetHashCode(){return 0;} public 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); u-=t*v;(u,v)=(v,u); } 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(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).Split(),int.Parse);} public int[] Ia3(int a){return Array.ConvertAll((Console.ReadLine()+" "+a.ToString()).Split(),int.Parse);} public long[] La2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),long.Parse);}} public long[] La3(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).Split(),long.Parse);} public long[] La3(int a){return Array.ConvertAll((Console.ReadLine()+" "+a.ToString()).Split(),long.Parse);} public double[] Da2{get{return Array.ConvertAll(("0 "+Console.ReadLine()+" 0").Split(),double.Parse);}} public double[] Da3(string a,string b){return Array.ConvertAll((a+Console.ReadLine()+b).Split(),double.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;} public (T,T) Tp2<T>(){var s=Console.ReadLine().Split();return (Ct<T>(s[0]),Ct<T>(s[1]));} public (T,T,T) Tp3<T>(){var s=Console.ReadLine().Split();return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]));} public (T,T,T,T) Tp4<T>(){var s=Console.ReadLine().Split();return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]),Ct<T>(s[3]));} public (T,T,T,T,T) Tp5<T>(){var s=Console.ReadLine().Split();return (Ct<T>(s[0]),Ct<T>(s[1]),Ct<T>(s[2]),Ct<T>(s[3]),Ct<T>(s[4]));} public (T1,T2) Tp2<T1,T2>(){var s=Console.ReadLine().Split();return (Ct<T1>(s[0]),Ct<T2>(s[1]));} public (T1,T1,T2) Tp3<T1,T2>(){var s=Console.ReadLine().Split();return (Ct<T1>(s[0]),Ct<T1>(s[1]),Ct<T2>(s[2]));} private T Ct<T>(string s){return (T)Convert.ChangeType(s,typeof(T));} }