結果

問題 No.791 うし数列
ユーザー sekiya9311sekiya9311
提出日時 2019-02-22 21:54:50
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 30 ms / 2,000 ms
コード長 6,213 bytes
コンパイル時間 839 ms
コンパイル使用メモリ 117,600 KB
実行使用メモリ 27,320 KB
最終ジャッジ日時 2024-11-25 07:58:52
合計ジャッジ時間 1,921 ms
ジャッジサーバーID
(参考情報)
judge1 / judge2
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 * 2
other AC * 15
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;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Numerics;
namespace ProgrammingContest
{
class Writer : IDisposable
{
private System.IO.TextWriter Out { get; }
private StringBuilder Sb { get; }
private bool IsReactive { get; }
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.Out = (writer ?? Console.Out);
this.IsReactive = isReactive;
if (!this.IsReactive)
{
this.Sb = new StringBuilder();
}
}
public void Dispose()
{
if (!this.IsReactive)
{
this.Out.Write(Sb.ToString());
}
if (!this.Out.Equals(Console.Out))
{
this.Out.Dispose();
}
}
public void Write(object val)
{
if (this.IsReactive)
{
this.Out.Write(val.ToString());
this.Out.Flush();
}
else
{
this.Sb.Append(val.ToString());
}
}
public void WriteFormat(string format, params object[] vals)
{
if (this.IsReactive)
{
this.Out.Write(format, vals);
this.Out.Flush();
}
else
{
this.Sb.AppendFormat(format, vals);
}
}
public void WriteLine(object val = null)
=> this.WriteFormat((val?.ToString() ?? string.Empty) + Environment.NewLine);
public void WriteLine(int val)
=> this.WriteLine(val.ToString());
public void WriteLine(long val)
=> this.WriteLine(val.ToString());
public void WriteLine(string val)
=> this.WriteLine((object)val);
public void WriteLine(string format, params object[] vals)
=> this.WriteFormat(format + Environment.NewLine, vals);
}
class Scanner : IDisposable
{
private Queue<string> Buffer { get; }
private char[] Sep { get; }
private System.IO.TextReader Reader { get; }
public Scanner(string path, char[] sep = null)
: this(new System.IO.StreamReader(path), sep)
{
}
public Scanner(System.IO.TextReader reader = null,
char[] sep = null)
{
this.Buffer = new Queue<string>();
this.Sep = (sep ?? new char[] { ' ' });
this.Reader = (reader ?? Console.In);
}
private void CheckBuffer()
{
if (this.Buffer.Count == 0 && this.Reader.Peek() != -1)
{
string str = string.Empty;
for (; string.IsNullOrEmpty(str) || string.IsNullOrWhiteSpace(str);
str = this.Reader.ReadLine()) ;
var strs = str.Split(this.Sep)
.Where(el => !(string.IsNullOrEmpty(el) || string.IsNullOrWhiteSpace(el)));
foreach (var el in strs)
{
this.Buffer.Enqueue(el);
}
}
}
public void Dispose()
{
if (!this.Reader.Equals(Console.In))
{
this.Reader.Dispose();
}
}
public string Next()
{
this.CheckBuffer();
return this.Buffer.Dequeue();
}
public string[] GetStringArray(int N)
=> Enumerable.Range(0, N)
.Select(e => this.Next())
.ToArray();
public int NextInt()
=> int.Parse(this.Next());
public int[] GetIntArray(int N)
=> Enumerable.Range(0, N)
.Select(e => this.NextInt())
.ToArray();
public double NextDouble()
=> double.Parse(this.Next());
public double[] GetdoubleArray(int N)
=> Enumerable.Range(0, N)
.Select(e => this.NextDouble())
.ToArray();
public long NextLong()
=> long.Parse(this.Next());
public long[] GetLongArray(int N)
=> Enumerable.Range(0, N)
.Select(e => this.NextLong())
.ToArray();
public bool IsEnd
{
get
{
this.CheckBuffer();
return this.Buffer.Count == 0;
}
}
}
class MainClass : IDisposable
{
private Scanner Sc { get; }
private Writer Wr { get; }
private string InFilePath => "in.txt";
private string OutFilePath => "out.txt";
public MainClass()
{
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
this.Solve();
}
static void Main(string[] args)
{
using (new MainClass()) { }
}
public void Dispose()
{
this.Sc?.Dispose();
this.Wr?.Dispose();
#if DEBUG
Console.WriteLine("press any key to continue...");
Console.ReadKey();
#endif
}
void Solve()
{
var N = Sc.Next();
if (N.Length > 1 && N.First() == '1' && N.Where((c, idx) => idx > 0).All(c => c == '3'))
{
Wr.WriteLine(N.Length - 1);
}
else
{
Wr.WriteLine(-1);
}
}
private bool IsReactive => false; // TODO: reactive check !!
}
}
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