結果

問題 No.464 PPAP
ユーザー fgwiebfaoishfgwiebfaoish
提出日時 2021-05-20 10:45:26
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 233 ms / 2,000 ms
コード長 4,106 bytes
コンパイル時間 1,093 ms
コンパイル使用メモリ 113,008 KB
実行使用メモリ 26,212 KB
最終ジャッジ日時 2024-10-10 07:12:26
合計ジャッジ時間 3,943 ms
ジャッジサーバーID
(参考情報)
judge1 / judge4
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 4
other AC * 22
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 #
プレゼンテーションモードにする

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;
using System.Threading;
using System.Runtime.CompilerServices;
using System.Diagnostics;
//using nint=System.Int32;
static class Program{
const int mod=(int)1e9+7;
static void Main(){
Sc sc=new Sc();
var s=("X"+sc.S).ToCharArray();
int n=s.Length;
var t=string.Join(",",s);
var a=Ex.Ma(t);
var dp=new long[n];
dp[0]=1;
for(int i = 0;i<4;i++) {
for(int j = n-1;j>=0;j--) {
dp[j]=0;
for(int k = j-1;k>=0;k--) {
if(i==2||a[(j<<1)-(j-k)+1]>=j-k){dp[j]+=dp[k];}
}
}
dp[0]=0;
}
Console.WriteLine("{0}",dp[n-1]);
}
}
static class Ex{
static public int[] Za1(string s,int n){
var a=new int[s.Length];
for(int i=n+1,j=0;i<s.Length;){
while(i+j<s.Length&&s[n+j]==s[i+j]){j++;}
a[i]=j;
if(j==0){i++;continue;}
int k=1;
while(i+k<s.Length&&k+a[n+k]<j){a[i+k]=a[n+k];k++;}
i+=k;
j-=k;
}
a[n]=s.Length-n;
return a;
}
static public int[] Za2(string s,int n){
var a=new int[s.Length];
for(int i=n-1,j=0;i>=0;){
while(i-j>=0&&s[n-j]==s[i-j]){j++;}
a[i]=j;
if(j==0){i--;continue;}
int k=1;
while(i-k>=0&&k+a[n-k]<j){a[i-k]=a[n-k];k++;}
i-=k;
j-=k;
}
a[n]=n+1;
return a;
}
static public int[] Ma(string s){
var a=new int[s.Length];
for(int i=0,j=0;i<s.Length;){
while(i-j>=0&&i+j<s.Length&&s[i-j]==s[i+j]){j++;}
a[i]=j;
int k=1;
while(i-k>=0&&i+k<s.Length&&k+a[i-k]<j){a[i+k]=a[i-k];k++;}
i+=k;
j-=k;
}
return a;
}
}
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 (T1,T2) Tp2<T1,T2>(){var s=Console.ReadLine().Split();return (Ct<T1>(s[0]),Ct<T2>(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 (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));}
}
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