結果

問題 No.489 株に挑戦
ユーザー 紙ぺーぱー紙ぺーぱー
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
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 29 ms
17,392 KB
testcase_01 AC 25 ms
17,524 KB
testcase_02 AC 19 ms
17,792 KB
testcase_03 AC 20 ms
17,408 KB
testcase_04 AC 20 ms
17,792 KB
testcase_05 AC 20 ms
17,536 KB
testcase_06 AC 19 ms
17,536 KB
testcase_07 AC 20 ms
17,408 KB
testcase_08 AC 21 ms
17,408 KB
testcase_09 AC 21 ms
17,792 KB
testcase_10 AC 20 ms
17,536 KB
testcase_11 AC 21 ms
17,408 KB
testcase_12 AC 21 ms
17,664 KB
testcase_13 AC 21 ms
17,280 KB
testcase_14 AC 21 ms
17,408 KB
testcase_15 AC 22 ms
17,664 KB
testcase_16 AC 32 ms
17,400 KB
testcase_17 AC 23 ms
17,664 KB
testcase_18 AC 27 ms
17,776 KB
testcase_19 AC 26 ms
17,648 KB
testcase_20 AC 33 ms
17,524 KB
testcase_21 AC 22 ms
17,664 KB
testcase_22 AC 21 ms
17,664 KB
testcase_23 AC 28 ms
17,264 KB
testcase_24 AC 36 ms
17,640 KB
testcase_25 AC 21 ms
17,536 KB
testcase_26 AC 30 ms
17,524 KB
testcase_27 AC 30 ms
17,396 KB
testcase_28 AC 21 ms
17,408 KB
testcase_29 AC 22 ms
17,664 KB
testcase_30 AC 33 ms
17,272 KB
testcase_31 AC 31 ms
18,176 KB
testcase_32 AC 27 ms
17,396 KB
testcase_33 AC 32 ms
17,644 KB
testcase_34 AC 30 ms
17,652 KB
testcase_35 AC 26 ms
17,652 KB
testcase_36 AC 22 ms
17,664 KB
testcase_37 AC 27 ms
17,524 KB
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 # 

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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