結果
問題 | No.253 ロウソクの長さ |
ユーザー |
![]() |
提出日時 | 2017-10-14 18:59:12 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 48 ms / 2,000 ms |
コード長 | 7,372 bytes |
コンパイル時間 | 1,328 ms |
コンパイル使用メモリ | 118,556 KB |
実行使用メモリ | 43,296 KB |
平均クエリ数 | 26.42 |
最終ジャッジ日時 | 2024-07-17 01:30:14 |
合計ジャッジ時間 | 4,787 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
other | AC * 36 |
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){//var hoge = new ProgrammingContestHoge.Hoge();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();var res = new StringBuilder();using (var writer = new System.IO.StreamWriter(inFilePath))writer.Write(res.ToString());}bool isReactive = true; // TODO: reactive check !!void Solve(){this.wr = new Writer(this.isReactive);//wr = new Writer(new System.IO.StreamWriter(this.outFilePath));#if DEBUGif (!this.isReactive)this.sc = new Scanner(this.inFilePath);elsethis.sc = new Scanner();#elsethis.sc = new Scanner();#endifFunc<int, int> query = (int val) =>{wr.WriteLine("? " + val);return sc.NextInt;};int cnt = 1;int get = query(90);if (get <= 0){if (get == 0){wr.WriteLine("! " + 90);return;}for (int i = 1; i <= 90; i++){switch (query(i)){case 1:break;case 0:wr.WriteLine("! " + (i + cnt));return;case -1:wr.WriteLine("! " + (i + cnt - 1));return;}cnt++;}}else{int low = 0, high = (int)1e9;while (high - low > 1){int mid = low + (high - low) / 2;switch (query(mid)){case 1:low = mid;break;case 0:wr.WriteLine("! " + (mid + cnt));return;case -1:high = mid;break;}if (low > 0) low--;high--;cnt++;}wr.WriteLine("! " + (low + cnt + 1));}}}class Writer : IDisposable{System.IO.TextWriter writer;StringBuilder sb;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);if (!(this.isReactive = isReactive)){this.sb = new StringBuilder();}}public void Dispose(){if (!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{Queue<string> buffer;char[] sep;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(){while (this.buffer.Count == 0){string str = this.reader.ReadLine();while (string.IsNullOrEmpty(str)){str = this.reader.ReadLine();}string[] sreArray = str.Split(this.sep);foreach (string elStr in sreArray){this.buffer.Enqueue(elStr);}}}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 IsEmpty{get{this.CheckBuffer();return this.buffer.Count == 0;}}}}