結果

問題 No.258 回転寿司(2)
ユーザー 紙ぺーぱー紙ぺーぱー
提出日時 2015-07-31 23:02:31
言語 C#(csc)
(csc 3.9.0)
結果
WA  
実行時間 -
コード長 5,397 bytes
コンパイル時間 902 ms
コンパイル使用メモリ 120,952 KB
実行使用メモリ 28,084 KB
最終ジャッジ日時 2024-11-24 08:59:59
合計ジャッジ時間 5,244 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 23 ms
25,948 KB
testcase_01 WA -
testcase_02 AC 23 ms
23,872 KB
testcase_03 AC 23 ms
24,112 KB
testcase_04 AC 23 ms
26,044 KB
testcase_05 WA -
testcase_06 AC 22 ms
24,012 KB
testcase_07 AC 23 ms
26,044 KB
testcase_08 WA -
testcase_09 AC 22 ms
25,940 KB
testcase_10 AC 22 ms
26,044 KB
testcase_11 AC 23 ms
23,740 KB
testcase_12 WA -
testcase_13 AC 23 ms
23,868 KB
testcase_14 AC 24 ms
24,136 KB
testcase_15 WA -
testcase_16 AC 23 ms
24,240 KB
testcase_17 AC 23 ms
23,868 KB
testcase_18 AC 23 ms
23,996 KB
testcase_19 WA -
testcase_20 AC 23 ms
25,908 KB
testcase_21 WA -
testcase_22 AC 22 ms
23,780 KB
testcase_23 AC 23 ms
21,944 KB
testcase_24 AC 24 ms
23,912 KB
testcase_25 AC 22 ms
24,040 KB
testcase_26 WA -
testcase_27 WA -
testcase_28 WA -
testcase_29 WA -
testcase_30 WA -
testcase_31 WA -
testcase_32 WA -
testcase_33 WA -
testcase_34 WA -
testcase_35 WA -
testcase_36 WA -
testcase_37 WA -
testcase_38 WA -
testcase_39 WA -
testcase_40 WA -
testcase_41 WA -
testcase_42 WA -
testcase_43 WA -
testcase_44 WA -
testcase_45 WA -
testcase_46 AC 24 ms
24,032 KB
testcase_47 AC 24 ms
25,792 KB
testcase_48 AC 24 ms
23,740 KB
testcase_49 WA -
testcase_50 WA -
testcase_51 WA -
testcase_52 WA -
testcase_53 AC 23 ms
21,936 KB
testcase_54 AC 24 ms
23,988 KB
testcase_55 WA -
testcase_56 WA -
testcase_57 WA -
testcase_58 WA -
testcase_59 WA -
testcase_60 WA -
testcase_61 WA -
testcase_62 WA -
testcase_63 WA -
testcase_64 WA -
testcase_65 WA -
testcase_66 WA -
testcase_67 WA -
testcase_68 WA -
testcase_69 WA -
testcase_70 WA -
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.Diagnostics;
using System.Collections.Generic;
using Debug = System.Diagnostics.Debug;
using StringBuilder = System.Text.StringBuilder;
using System.Numerics;
namespace Program
{

    public class Solver
    {
        public void Solve()
        {
            var n = sc.Integer();
            var a = sc.Integer(n);
            var dp = Enumerate(n + 2, x => -1);
            var prev = Enumerate(n + 2, x => -100000);
            dp[0] = 0;
            for (int i = 0; i < n; i++)
            {
                if (dp[i + 2] < dp[i] + a[i])
                {
                    dp[i + 2] = dp[i] + a[i];
                    prev[i + 2] = (i + 1);
                }
                if (dp[i + 1] < dp[i])
                {
                    dp[i + 1] = dp[i];
                    prev[i + 1] = -(i + 1);
                }
            }
            if (dp[n + 1] < dp[n])
            {
                dp[n + 1] = dp[n];
                prev[n + 1] = n + 1;
            }
            IO.Printer.Out.WriteLine(dp[n + 1]);
            var p = n + 1;
            var ans = new List<int>();
            while (true)
            {
                if (prev[p] == -100000)
                    break;
                p = prev[p];
                if (p > 0)
                    ans.Add(p);
                p = Math.Abs(p) - 1;
            }
            ans.Reverse();
            IO.Printer.Out.WriteLine(ans.AsJoinedString());
        }
        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 != '-' && (b < '0' || '9' < b));
            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() { return double.Parse(Scan(), CultureInfo.InvariantCulture); }
        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
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