結果

問題 No.87 Advent Calendar Problem
ユーザー eitaho
提出日時 2015-02-13 04:28:39
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 27 ms / 5,000 ms
コード長 2,410 bytes
コンパイル時間 2,485 ms
コンパイル使用メモリ 114,164 KB
実行使用メモリ 26,284 KB
最終ジャッジ日時 2024-06-23 19:42:22
合計ジャッジ時間 2,666 ms
ジャッジサーバーID
(参考情報)
judge1 / judge5
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 * 24
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.IO;
using System.Linq;
using System.Text;
using System.Diagnostics;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using Enu = System.Linq.Enumerable;
class Program
{
static readonly int Year = 2014, Month = 7, Day = 23;
static readonly DateTime Date = new DateTime(Year, Month, Day);
void Solve()
{
long N = reader.Long();
Console.WriteLine(Count(N) - Count(Year));
}
long Count(long N)
{
long count = 0;
for (int y = 4000; y < 8000; y++)
if (new DateTime(y, Month, Day).DayOfWeek == Date.DayOfWeek)
count++;
count = N / 4000 * count;
N %= 4000;
for (int i = 0; i <= N; i++)
if (new DateTime(4000 + i, Month, Day).DayOfWeek == Date.DayOfWeek)
count++;
return count;
}
Reader reader = new Reader(Console.In);
static void Main() { new Program().Solve(); }
}
class Reader
{
private readonly TextReader reader;
private readonly char[] separator = { ' ' };
private readonly StringSplitOptions removeOp = StringSplitOptions.RemoveEmptyEntries;
private string[] A = new string[0];
private int i;
public Reader(TextReader r) { reader = r; }
public bool HasNext() { return Enqueue(); }
public string String() { return Dequeue(); }
public int Int() { return int.Parse(Dequeue()); }
public long Long() { return long.Parse(Dequeue()); }
public double Double() { return double.Parse(Dequeue()); }
public int[] IntLine() { var s = Line(); return s == "" ? new int[0] : Array.ConvertAll(Split(s), int.Parse); }
public int[] IntArray(int N) { return Enu.Range(0, N).Select(i => Int()).ToArray(); }
public int[][] IntGrid(int H) { return Enu.Range(0, H).Select(i => IntLine()).ToArray(); }
public string[] StringArray(int N) { return Enu.Range(0, N).Select(i => Line()).ToArray(); }
public string Line() { return reader.ReadLine().Trim(); }
private string[] Split(string s) { return s.Split(separator, removeOp); }
private bool Enqueue()
{
if (i < A.Length) return true;
string line = reader.ReadLine();
if (line == null) return false;
if (line == "") return Enqueue();
A = Split(line);
i = 0;
return true;
}
private string Dequeue() { Enqueue(); return A[i++]; }
}
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