結果

問題 No.524 コインゲーム
ユーザー 紙ぺーぱー紙ぺーぱー
提出日時 2017-06-02 22:30:10
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 24 ms / 1,000 ms
コード長 6,618 bytes
コンパイル時間 1,945 ms
コンパイル使用メモリ 119,772 KB
実行使用メモリ 17,408 KB
最終ジャッジ日時 2024-10-02 10:18:42
合計ジャッジ時間 3,803 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 * 3
other AC * 32
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.Linq;
using System.Collections.Generic;
using Debug = System.Diagnostics.Debug;
using SB = System.Text.StringBuilder;
using System.Numerics;
using Number = System.Int64;
using static System.Math;
//using static MathEx;
//using P = System.Collections.Generic.KeyValuePair<int, int>;
namespace Program
{
public class Solver
{
public void Solve()
{
var n = rl;
if (n >= 100000) n = (100000 + (n - 100000) % 4);
var ans = 0;
for (int i = 0; i <= n; i++)
ans ^= i;
if (ans == 0) IO.Printer.Out.WriteLine("X");
else IO.Printer.Out.WriteLine("O");
}
//*
int ri => sc.Integer();
long rl => sc.Long();
double rd => sc.Double();
string rs => sc.Scan();
char rc => sc.Char();
[System.Diagnostics.Conditional("DEBUG")]
void put(params object[] a) => Debug.WriteLine(string.Join(" ", a));
//*/
public IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput());
static T[] Enumerate<T>(int n, Func<int, T> f)
{
var a = new T[n];
for (int i = 0; i < n; ++i) a[i] = f(i);
return a;
}
static void Swap<T>(ref T a, ref T b)
{
var tmp = a;
a = b;
b = tmp;
}
}
}
#region main
static class Ex
{
public static string AsString(this IEnumerable<char> ie)
{
return new string(ie.ToArray());
}
public static string AsJoinedString<T>(this IEnumerable<T> ie, string st = " ")
{
return string.Join(st, ie);
}
public static void Main()
{
var solver = new Program.Solver();
solver.Solve();
Program.IO.Printer.Out.Flush();
}
}
#endregion
#region Ex
namespace Program.IO
{
using System.IO;
using System.Text;
using System.Globalization;
public class Printer: StreamWriter
{
static Printer()
{
Out = new Printer(Console.OpenStandardOutput()) { AutoFlush = false };
}
public static Printer Out { get; set; }
public override IFormatProvider FormatProvider
{
get { return CultureInfo.InvariantCulture; }
}
public Printer(Stream stream) : base(stream, new UTF8Encoding(false, true))
{
}
public Printer(Stream stream, Encoding encoding) : base(stream, encoding)
{
}
public void Write<T>(string format, T[] source)
{
base.Write(format, source.OfType<object>().ToArray());
}
public void WriteLine<T>(string format, T[] source)
{
base.WriteLine(format, source.OfType<object>().ToArray());
}
}
public class StreamScanner
{
public StreamScanner(Stream stream)
{
str = stream;
}
public readonly Stream str;
private readonly byte[] buf = new byte[1024];
private int len, ptr;
public bool isEof;
public bool IsEndOfStream
{
get { return isEof; }
}
private byte read()
{
if (isEof) return 0;
if (ptr < len) return buf[ptr++];
ptr = 0;
if ((len = str.Read(buf, 0, 1024)) > 0) return buf[ptr++];
isEof = true;
return 0;
}
public char Char()
{
byte b;
do b = read(); while ((b < 33 || 126 < b) && !isEof);
return (char)b;
}
public string Scan()
{
var sb = new StringBuilder();
for (var b = Char(); b >= 33 && b <= 126; b = (char)read())
sb.Append(b);
return sb.ToString();
}
public string ScanLine()
{
var sb = new StringBuilder();
for (var b = Char(); b != '\n'; b = (char)read())
if (b == 0) break;
else if (b != '\r') sb.Append(b);
return sb.ToString();
}
public long Long()
{
if (isEof) return long.MinValue;
long ret = 0;
byte b;
var ng = false;
do b = read(); while (b != 0 && b != '-' && (b < '0' || '9' < b));
if (b == 0) return long.MinValue;
if (b == '-')
{
ng = true;
b = read();
}
for (; ; b = read())
{
if (b < '0' || '9' < b)
return ng ? -ret : ret;
ret = ret * 10 + b - '0';
}
}
public int Integer()
{
return (isEof) ? int.MinValue : (int)Long();
}
public double Double()
{
var s = Scan();
return s != "" ? double.Parse(s, CultureInfo.InvariantCulture) : double.NaN;
}
static T[] enumerate<T>(int n, Func<T> f)
{
var a = new T[n];
for (int i = 0; i < n; ++i) a[i] = f();
return a;
}
public char[] Char(int n)
{
return enumerate(n, Char);
}
public string[] Scan(int n)
{
return enumerate(n, Scan);
}
public double[] Double(int n)
{
return enumerate(n, Double);
}
public int[] Integer(int n)
{
return enumerate(n, Integer);
}
public long[] Long(int n)
{
return enumerate(n, Long);
}
}
}
#endregion
#region ModInt
public struct ModInt
{
public const long Mod = (long)1e9 + 7;
public long num;
public ModInt(long n) { num = n; }
public override string ToString() { return num.ToString(); }
public static ModInt operator +(ModInt l, ModInt r) { l.num += r.num; if (l.num >= Mod) l.num -= Mod; return l; }
public static ModInt operator -(ModInt l, ModInt r) { l.num -= r.num; if (l.num < 0) l.num += Mod; return l; }
public static ModInt operator *(ModInt l, ModInt r) { return new ModInt(l.num * r.num % Mod); }
public static implicit operator ModInt(long n) { return new ModInt(n); }
public static ModInt Pow(ModInt v, long k)
{
k %= Mod - 1;
ModInt ret = 1;
var n = k;
for (; n > 0; n >>= 1, v *= v)
if ((n & 1) == 1) ret = ret * v;
return ret;
}
public static ModInt Inverse(ModInt v)
{
return Pow(v, Mod - 2);
}
}
#endregion
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
0