結果
| 問題 |
No.726 Tree Game
|
| コンテスト | |
| ユーザー |
 sekiya9311
|
| 提出日時 | 2018-08-24 21:41:47 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 9,953 bytes |
| コンパイル時間 | 3,240 ms |
| コンパイル使用メモリ | 112,768 KB |
| 実行使用メモリ | 20,096 KB |
| 最終ジャッジ日時 | 2024-06-23 06:56:31 |
| 合計ジャッジ時間 | 4,937 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge3 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| other | AC * 9 WA * 16 |
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 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 ?? string.Empty).ToString() + 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)
{
return Enumerable.Range(0, N)
.Select(e => this.Next())
.ToArray();
}
public int NextInt()
{
return int.Parse(this.Next());
}
public int[] GetIntArray(int N)
{
return Enumerable.Range(0, N)
.Select(e => this.NextInt())
.ToArray();
}
public double NextDouble()
{
return double.Parse(this.Next());
}
public double[] GetdoubleArray(int N)
{
return Enumerable.Range(0, N)
.Select(e => this.NextDouble())
.ToArray();
}
public long NextLong()
{
return long.Parse(this.Next());
}
public long[] GetLongArray(int N)
{
return 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; }
static string BackPath { get; } = "..";
private char DirSep { get; } = System.IO.Path.DirectorySeparatorChar;
private string InFilePath { get; } = string.Empty;
private string OutFilePath { get; } = string.Empty;
public MainClass()
{
this.InFilePath = MainClass.BackPath
+ this.DirSep
+ MainClass.BackPath
+ this.DirSep
+ "in.txt";
this.OutFilePath = MainClass.BackPath
+ this.DirSep
+ MainClass.BackPath
+ this.DirSep
+ "out.txt";
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
}
static void Main(string[] args)
{
using (var mainClass = new MainClass())
{
mainClass.Solve();
}
}
public void Dispose()
{
this.Sc?.Dispose();
this.Wr?.Dispose();
#if DEBUG
Console.WriteLine("press any key to continue...");
Console.ReadKey();
#endif
}
bool IsPrime(long v)
{
if (v < 2)
{
return false;
}
for (long i = 2; i * i <= v; i++)
{
if (v % i == 0)
{
return false;
}
}
return true;
}
Dictionary<Pair<long, long>, bool> dicPrimePoint = new Dictionary<Pair<long, long>, bool>();
Dictionary<long, bool> dicPrime = new Dictionary<long, bool>();
bool Dfs(Pair<long, long> p)
{
if (!dicPrimePoint.ContainsKey(p))
{
if (dicPrime.ContainsKey(p.First) && dicPrime[p.First])
{
return false;
}
if (dicPrime.ContainsKey(p.Second) && dicPrime[p.Second])
{
return false;
}
if (!dicPrime.ContainsKey(p.First))
{
dicPrime.Add(p.First, IsPrime(p.First));
}
if (!dicPrime.ContainsKey(p.Second))
{
dicPrime.Add(p.Second, IsPrime(p.Second));
}
if (dicPrime[p.First] || dicPrime[p.Second])
{
dicPrimePoint.Add(p, false);
}
else
{
var p1 = p.Clone();
var p2 = p.Clone();
p1.First++;
p2.Second++;
dicPrimePoint.Add(p, !(Dfs(p1) && Dfs(p2)));
}
}
return dicPrimePoint[p];
}
void Solve()
{
long Y = Sc.NextInt();
long X = Sc.NextInt();
Wr.WriteLine(!Dfs(new Pair<long, long>(X, Y)) ? "First" : "Second");
}
private bool IsReactive { get; } = false; // TODO: reactive check !!
}
internal class Pair<T1, T2> : IComparable<Pair<T1, T2>>
{
public T1 First { get; set; }
public T2 Second { get; set; }
public Pair() { }
public Pair(T1 f, T2 s)
{
this.First = f;
this.Second = s;
}
public int CompareTo(Pair<T1, T2> other)
{
int ret = 0;
if (First is IComparable<T1>)
{
ret = (First as IComparable<T1>).CompareTo(other.First);
}
if (ret == 0 && Second is IComparable<T2>)
{
ret = (Second as IComparable<T2>).CompareTo(other.Second);
}
return ret;
}
public override bool Equals(object obj)
{
if (obj is Pair<T1, T2>)
{
var other = obj as Pair<T1, T2>;
return this.First.Equals(other.First) && this.Second.Equals(other.Second);
}
else
{
return false;
}
}
public override int GetHashCode()
{
return this.First.GetHashCode() ^ this.Second.GetHashCode();
}
public Pair<T1, T2> Clone()
{
var p = new Pair<T1, T2>(this.First, this.Second);
return p;
}
}
}