#571305 (C#(csc)) No.1267 Stop and Coin Game

• 問題: No.1267 Stop and Coin Game
• ユーザー: EmKjp
• 提出日時: 2020-10-24 19:14:22
• 言語: C#(csc) (csc 3.9.0)
• 結果: WA
• 実行時間: -
• コード長: 6,931 bytes
• コンパイル時間: 2,119 ms
• コンパイル使用メモリ: 117,684 KB
• 実行使用メモリ: 26,736 KB
• 最終ジャッジ日時: 2024-07-21 15:29:31
• 合計ジャッジ時間: 5,632 ms
• ジャッジサーバーID （参考情報）: judge4 / judge1

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	24 ms; 18,432 KB
testcase_01	AC	25 ms; 18,304 KB
testcase_02	AC	24 ms; 18,304 KB
testcase_03	AC	25 ms; 18,304 KB
testcase_04	AC	24 ms; 18,048 KB
testcase_05	AC	25 ms; 18,176 KB
testcase_06	AC	24 ms; 18,304 KB
testcase_07	WA	-
testcase_08	WA	-
testcase_09	AC	24 ms; 18,176 KB
testcase_10	WA	-
testcase_11	AC	52 ms; 17,944 KB
testcase_12	WA	-
testcase_13	AC	25 ms; 18,176 KB
testcase_14	AC	24 ms; 17,920 KB
testcase_15	AC	24 ms; 18,304 KB
testcase_16	AC	141 ms; 18,432 KB
testcase_17	AC	23 ms; 18,304 KB
testcase_18	AC	23 ms; 18,304 KB
testcase_19	AC	23 ms; 18,176 KB
testcase_20	AC	24 ms; 18,048 KB
testcase_21	AC	23 ms; 18,176 KB
testcase_22	AC	24 ms; 18,176 KB
testcase_23	AC	24 ms; 18,048 KB
testcase_24	AC	76 ms; 18,328 KB
testcase_25	WA	-
testcase_26	AC	25 ms; 18,176 KB
testcase_27	AC	27 ms; 18,176 KB
testcase_28	AC	23 ms; 18,176 KB
testcase_29	AC	25 ms; 18,048 KB
testcase_30	AC	133 ms; 18,688 KB
testcase_31	WA	-
testcase_32	AC	36 ms; 18,268 KB
testcase_33	AC	78 ms; 18,316 KB
testcase_34	AC	80 ms; 18,204 KB
testcase_35	AC	134 ms; 18,432 KB
testcase_36	AC	24 ms; 18,304 KB
testcase_37	WA	-
testcase_38	AC	145 ms; 18,432 KB
testcase_39	AC	31 ms; 18,304 KB
testcase_40	AC	24 ms; 18,304 KB
testcase_41	AC	31 ms; 18,176 KB
testcase_42	AC	24 ms; 17,920 KB
testcase_43	WA	-
testcase_44	AC	24 ms; 18,176 KB
testcase_45	AC	24 ms; 18,048 KB
testcase_46	AC	24 ms; 18,176 KB

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

using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Text;
using System.Linq;

using E = System.Linq.Enumerable;
using System.Threading;

internal partial class Solver {
    public void Run() {
        var n = ni();
        var v = nl();
        var a = nl(n);

        if (v >= a.Sum()) {
            cout.WriteLine("Draw");
            return;
        }

        var dp = new bool[1 << n]; // first win -> true
        for (int mask = 1; mask < dp.Length; mask++) {
            long rem = v;
            for (int i = 0; i < n; i++) {
                if (!mask.HasBit(i)) {
                    rem -= a[i];
                }
            }
            if (rem < 0) {
                dp[mask] = false;
            } else {
                for (int i = 0; i < n; i++) {
                    if (mask.HasBit(i) && rem - a[i] >= 0) {
                        if (!dp[mask ^ i]) {
                            dp[mask] = true;
                            break;
                        }
                    }
                }
            }
        }
        cout.WriteLine(dp[(1 << n) - 1] ? "First" : "Second");
    }
}


public static class BitExtensions {
    public static bool HasBit(this int x, int index) { return (x & (1 << index)) != 0; }
    public static bool HasBit(this long x, int index) { return (x & (1L << index)) != 0; }
}

// PREWRITEN CODE BEGINS FROM HERE

static public class StringExtensions {
    static public string JoinToString<T>(this IEnumerable<T> source, string separator = " ") {
        return string.Join(separator, source);
    }
}

internal partial class Solver : Scanner {
    static readonly int? StackSizeInMebiByte = null; //50;
    public static void StartAndJoin(Action action, int maxStackSize) {
        var thread = new Thread(new ThreadStart(action), maxStackSize);
        thread.Start();
        thread.Join();
    }

    public static void Main() {
#if LOCAL
        byte[] inputBuffer = new byte[1000000];
        var inputStream = Console.OpenStandardInput(inputBuffer.Length);
        using (var reader = new StreamReader(inputStream, Console.InputEncoding, false, inputBuffer.Length)) {
            Console.SetIn(reader);
            new Solver(Console.In, Console.Out).Run();
        }
#else
        Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false });
        if (StackSizeInMebiByte.HasValue) {
            StartAndJoin(() => new Solver(Console.In, Console.Out).Run(), StackSizeInMebiByte.Value * 1024 * 1024);
        } else {
            new Solver(Console.In, Console.Out).Run();
        }
        Console.Out.Flush();
#endif
    }

#pragma warning disable IDE0052
    private readonly TextReader cin;
    private readonly TextWriter cout;
    private readonly TextWriter cerr;
#pragma warning restore IDE0052

    public Solver(TextReader reader, TextWriter writer)
        : base(reader) {
        cin = reader;
        cout = writer;
        cerr = Console.Error;
    }

    public Solver(string input, TextWriter writer)
        : this(new StringReader(input), writer) {
    }

#pragma warning disable IDE1006
#pragma warning disable IDE0051
    private int ni() { return NextInt(); }
    private int[] ni(int n) { return NextIntArray(n); }
    private long nl() { return NextLong(); }
    private long[] nl(int n) { return NextLongArray(n); }
    private double nd() { return NextDouble(); }
    private double[] nd(int n) { return NextDoubleArray(n); }
    private string ns() { return Next(); }
    private string[] ns(int n) { return NextArray(n); }
#pragma warning restore IDE1006
#pragma warning restore IDE0051
}

#if DEBUG
internal static class LinqPadExtension {
    public static string TextDump<T>(this T obj) {
        if (obj is IEnumerable) return (obj as IEnumerable).Cast<object>().JoinToString().Dump();
        else return obj.ToString().Dump();
    }
    public static T Dump<T>(this T obj) {
        return LINQPad.Extensions.Dump(obj);
    }
}
#endif

public class Scanner {
    private readonly TextReader Reader;
    private readonly CultureInfo ci = CultureInfo.InvariantCulture;

    private readonly char[] buffer = new char[2 * 1024];
    private int cursor = 0, length = 0;
    private string Token;
    private readonly StringBuilder sb = new StringBuilder(1024);

    public Scanner()
        : this(Console.In) {
    }

    public Scanner(TextReader reader) {
        Reader = reader;
    }

    public int NextInt() { return checked((int)NextLong()); }
    public long NextLong() {
        var s = Next();
        long r = 0;
        int i = 0;
        bool negative = false;
        if (s[i] == '-') {
            negative = true;
            i++;
        }
        for (; i < s.Length; i++) {
            r = r * 10 + (s[i] - '0');
#if DEBUG
            if (!char.IsDigit(s[i])) throw new FormatException();
#endif
        }
        return negative ? -r : r;
    }
    public double NextDouble() { return double.Parse(Next(), ci); }
    public string[] NextArray(int size) {
        string[] array = new string[size];
        for (int i = 0; i < size; i++) {
            array[i] = Next();
        }

        return array;
    }
    public int[] NextIntArray(int size) {
        int[] array = new int[size];
        for (int i = 0; i < size; i++) {
            array[i] = NextInt();
        }

        return array;
    }

    public long[] NextLongArray(int size) {
        long[] array = new long[size];
        for (int i = 0; i < size; i++) {
            array[i] = NextLong();
        }

        return array;
    }

    public double[] NextDoubleArray(int size) {
        double[] array = new double[size];
        for (int i = 0; i < size; i++) {
            array[i] = NextDouble();
        }

        return array;
    }

    public string Next() {
        if (Token == null) {
            if (!StockToken()) {
                throw new Exception();
            }
        }
        var token = Token;
        Token = null;
        return token;
    }

    public bool HasNext() {
        if (Token != null) {
            return true;
        }

        return StockToken();
    }

    private bool StockToken() {
        while (true) {
            sb.Clear();
            while (true) {
                if (cursor >= length) {
                    cursor = 0;
                    if ((length = Reader.Read(buffer, 0, buffer.Length)) <= 0) {
                        break;
                    }
                }
                var c = buffer[cursor++];
                if (33 <= c && c <= 126) {
                    sb.Append(c);
                } else {
                    if (sb.Length > 0) break;
                }
            }

            if (sb.Length > 0) {
                Token = sb.ToString();
                return true;
            }

            return false;
        }
    }
}