結果
問題 | No.588 空白と回文 |
ユーザー |
![]() |
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 |
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ファイルパターン | 結果 |
---|---|
other | AC * 25 |
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.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 DEBUGif (!this.isReactive)this.sc = new Scanner(this.inFilePath);elsethis.sc = new Scanner();#elsethis.sc = new Scanner();#endifvar 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();}elsethis.sb.Append(val.ToString());}public void Write(string format, params object[] vals){if (this.isReactive){this.writer.Write(format, vals);this.writer.Flush();}elsethis.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;}}}}