結果

問題 No.489 株に挑戦
ユーザー 紙ぺーぱー
提出日時 2017-05-20 11:13:19
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 36 ms / 1,000 ms
コード長 8,031 bytes
コンパイル時間 2,783 ms
コンパイル使用メモリ 118,260 KB
実行使用メモリ 18,176 KB
最終ジャッジ日時 2024-07-19 23:50:42
合計ジャッジ時間 3,075 ms
ジャッジサーバーID
(参考情報)
judge1 / judge3
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 * 35
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 Number = System.Int64;
using System.Numerics;
using static System.Math;
//using static MathEx;
namespace Program
{
public class Solver
{
public void Solve()
{
var n = ri;
var d = ri;
var k = ri;
var a = Enumerate(n, x => ri);
var deq = new Deque<int>();
var ans = 0;
var f = -1; var t = -1;
for (int i = 0; i < n; i++)
{
while (deq.Count > 0 && i - deq[0] > d) deq.PopFront();
while (deq.Count > 0 && a[deq[deq.Count - 1]] > a[i]) deq.PopBack();
deq.PushBack(i);
var min = deq[0];
if (a[i] - a[min] > ans)
{
ans = a[i] - a[min];
f = min; t = i;
}
}
IO.Printer.Out.WriteLine(1L * k * ans);
if (f != -1) IO.Printer.Out.WriteLine("{0} {1}", f, t);
}
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 public void Swap<T>(ref T a, ref T b) { var tmp = a; a = b; b = tmp; }
}
}
#region main
static class Ex
{
static public string AsString(this IEnumerable<char> ie) { return new string(System.Linq.Enumerable.ToArray(ie)); }
static public string AsJoinedString<T>(this IEnumerable<T> ie, string st = " ") { return string.Join(st, ie); }
static public 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(System.IO.Stream stream) : base(stream, new UTF8Encoding(false, true)) { }
public Printer(System.IO.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 = false;
public bool IsEndOfStream { get { return isEof; } }
private byte read()
{
if (isEof) return 0;
if (ptr >= len) { ptr = 0; if ((len = str.Read(buf, 0, 1024)) <= 0) { isEof = true; return 0; } }
return buf[ptr++];
}
public char Char() { byte b = 0; 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 = 0; 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 (; true; b = read())
{
if (b < '0' || '9' < b)
return ng ? -ret : ret;
else 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; }
private 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 Deque<T>
public class Deque<T>
{
T[] buf;
int offset;
int count;
int capacity;
public int Count { get { return count; } }
public Deque(int cap) { buf = new T[capacity = cap]; }
public Deque() { buf = new T[capacity = 8]; }
public T this[int index]
{
get { return buf[getIndex(index)]; }
set { buf[getIndex(index)] = value; }
}
private int getIndex(int index)
{
if (index >= capacity)
throw new IndexOutOfRangeException("out of range");
var ret = index + offset;
if (ret >= capacity)
ret -= capacity;
return ret;
}
public void PushFront(T item)
{
if (count == capacity) Extend();
if (--offset < 0) offset += buf.Length;
buf[offset] = item;
++count;
}
public T PopFront()
{
if (count == 0)
throw new InvalidOperationException("collection is empty");
--count;
var ret = buf[offset++];
if (offset >= capacity) offset -= capacity;
return ret;
}
public void PushBack(T item)
{
if (count == capacity) Extend();
var id = count++ + offset;
if (id >= capacity) id -= capacity;
buf[id] = item;
}
public T PopBack()
{
if (count == 0)
throw new InvalidOperationException("collection is empty");
return buf[getIndex(--count)];
}
public void Insert(T item, int index)
{
if (index > count) throw new IndexOutOfRangeException();
this.PushFront(item);
for (int i = 0; i < index; i++)
this[i] = this[i + 1];
this[index] = item;
}
public T RemoveAt(int index)
{
if (index < 0 || index >= count) throw new IndexOutOfRangeException();
var ret = this[index];
for (int i = index; i > 0; i--)
this[i] = this[i - 1];
this.PopFront();
return ret;
}
private void Extend()
{
T[] newBuffer = new T[capacity << 1];
if (offset > capacity - count)
{
var len = buf.Length - offset;
Array.Copy(buf, offset, newBuffer, 0, len);
Array.Copy(buf, 0, newBuffer, len, count - len);
}
else Array.Copy(buf, offset, newBuffer, 0, count);
buf = newBuffer;
offset = 0;
capacity <<= 1;
}
public T[] Items
{
get
{
var a = new T[count];
for (int i = 0; i < count; i++)
a[i] = this[i];
return a;
}
}
}
#endregion
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