結果

問題 No.588 空白と回文
ユーザー sekiya9311sekiya9311
提出日時 2017-11-03 22:47:36
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 31 ms / 2,000 ms
コード長 6,586 bytes
コンパイル時間 1,008 ms
コンパイル使用メモリ 111,488 KB
実行使用メモリ 18,944 KB
最終ジャッジ日時 2024-11-22 16:09:29
合計ジャッジ時間 2,523 ms
ジャッジサーバーID
(参考情報)
judge3 / judge1
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
other AC * 25
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.Linq;
using System.Text;
namespace ProgrammingContest
{
class MainClass : IDisposable
{
Scanner sc;
Writer wr;
string backPath = "..";
char dirSep = System.IO.Path.DirectorySeparatorChar;
string inFilePath = null;
string outFilePath = null;
public MainClass()
{
this.inFilePath = this.backPath
+ this.dirSep
+ this.backPath
+ this.dirSep
+ "in.txt";
this.outFilePath = this.backPath
+ this.dirSep
+ this.backPath
+ this.dirSep
+ "out.txt";
}
static void Main(string[] args)
{
using (var mainClass = new MainClass())
{
//mainClass.MakeTestCase();
mainClass.Solve();
}
}
public void Dispose()
{
if (this.sc != null)
{
this.sc.Dispose();
this.sc = null;
}
if (this.wr != null)
{
this.wr.Dispose();
this.wr = null;
}
}
void MakeTestCase()
{
Random rand = new Random();
this.wr = new Writer(inFilePath);
}
void Solve()
{
this.wr = new Writer(this.isReactive);
//this.wr = new Writer(this.outFilePath);
#if DEBUG
if (!this.isReactive)
this.sc = new Scanner(this.inFilePath);
else
this.sc = new Scanner();
#else
this.sc = new Scanner();
#endif
var S = sc.Next;
int ans = 0;
for (int i = 0; i < S.Length; i++)
{
int buf = CalcMidOfChar(S, i);
if (i + 1 < S.Length)
{
buf = Math.Max(buf, CalcMidOfSpace(S, i));
}
ans = Math.Max(ans, buf);
}
wr.WriteLine(ans);
}
int CalcMidOfChar(string S, int mid)
{
int del = 0;
int l = mid - 1, r = mid + 1;
while (l >= 0 && r < S.Length)
{
if (S[l] != S[r])
{
del++;
}
l--;
r++;
}
l++;
r--;
return r - l - del * 2 + 1;
}
int CalcMidOfSpace(string S, int mid)
{
int del = 0;
int l = mid, r = mid + 1;
while (l >= 0 && r < S.Length)
{
if (S[l] != S[r])
{
del++;
}
l--;
r++;
}
l++;
r--;
return r - l - del * 2 + 1;
}
bool isReactive = false; // TODO: reactive check !!
}
class Writer : IDisposable
{
private System.IO.TextWriter writer;
private StringBuilder sb;
private bool isReactive;
public Writer(string path) : this(new System.IO.StreamWriter(path))
{
}
public Writer(bool isReactive) : this(null, isReactive)
{
}
public Writer(System.IO.TextWriter writer = null, bool isReactive = false)
{
this.writer = (writer ?? Console.Out);
this.isReactive = isReactive;
if (!this.isReactive)
this.sb = new StringBuilder();
}
public void Dispose()
{
if (!this.isReactive)
this.writer.Write(sb.ToString());
if (!this.writer.Equals(Console.Out))
this.writer.Dispose();
}
public void Write(object val)
{
if (this.isReactive)
{
this.writer.Write(val.ToString());
this.writer.Flush();
}
else
this.sb.Append(val.ToString());
}
public void Write(string format, params object[] vals)
{
if (this.isReactive)
{
this.writer.Write(format, vals);
this.writer.Flush();
}
else
this.sb.AppendFormat(format, vals);
}
public void WriteLine(object val)
{
this.Write(val.ToString() + System.Environment.NewLine);
}
public void WriteLine(string format, params object[] vals)
{
this.Write(format + System.Environment.NewLine, vals);
}
}
class Scanner : IDisposable
{
private Queue<string> buffer;
private char[] sep;
private System.IO.TextReader reader;
public Scanner(string path) : this(new System.IO.StreamReader(path))
{
}
public Scanner(System.IO.TextReader reader = null)
{
this.buffer = new Queue<string>();
this.sep = new char[] { ' ' };
this.reader = (reader ?? Console.In);
}
private void CheckBuffer()
{
if (this.buffer.Count == 0)
{
string str = string.Empty;
while (string.IsNullOrEmpty(str))
str = this.reader.ReadLine();
str.Split(this.sep).ToList()
.ForEach(el => this.buffer.Enqueue(el));
}
}
public void Dispose()
{
if (!this.reader.Equals(Console.In))
this.reader.Dispose();
}
public string Next
{
get
{
this.CheckBuffer();
return this.buffer.Dequeue();
}
}
public int NextInt
{
get
{
return int.Parse(this.Next);
}
}
public double NextDouble
{
get
{
return double.Parse(this.Next);
}
}
public long NextLong
{
get
{
return long.Parse(this.Next);
}
}
public bool IsEnd
{
get
{
this.CheckBuffer();
return this.buffer.Count == 0;
}
}
}
}
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
0