結果

問題 No.1319 最強とんがりコーン
ユーザー EmKjpEmKjp
提出日時 2020-12-17 00:17:57
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 557 ms / 2,000 ms
コード長 6,426 bytes
コンパイル時間 2,440 ms
コンパイル使用メモリ 114,544 KB
実行使用メモリ 25,524 KB
最終ジャッジ日時 2023-10-20 10:01:46
合計ジャッジ時間 25,364 ms
ジャッジサーバーID
(参考情報)
judge15 / judge13
このコードへのチャレンジ(β)

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 488 ms
25,524 KB
testcase_01 AC 492 ms
25,524 KB
testcase_02 AC 285 ms
25,524 KB
testcase_03 AC 168 ms
25,512 KB
testcase_04 AC 513 ms
25,524 KB
testcase_05 AC 449 ms
25,512 KB
testcase_06 AC 313 ms
25,512 KB
testcase_07 AC 198 ms
25,512 KB
testcase_08 AC 328 ms
25,512 KB
testcase_09 AC 491 ms
25,524 KB
testcase_10 AC 88 ms
25,512 KB
testcase_11 AC 223 ms
25,444 KB
testcase_12 AC 351 ms
25,512 KB
testcase_13 AC 233 ms
25,524 KB
testcase_14 AC 115 ms
25,444 KB
testcase_15 AC 252 ms
25,512 KB
testcase_16 AC 128 ms
25,524 KB
testcase_17 AC 557 ms
25,512 KB
testcase_18 AC 147 ms
25,512 KB
testcase_19 AC 557 ms
25,524 KB
testcase_20 AC 486 ms
25,524 KB
testcase_21 AC 492 ms
25,524 KB
testcase_22 AC 480 ms
25,524 KB
testcase_23 AC 484 ms
25,524 KB
testcase_24 AC 483 ms
25,524 KB
testcase_25 AC 490 ms
25,524 KB
testcase_26 AC 486 ms
25,524 KB
testcase_27 AC 484 ms
25,524 KB
testcase_28 AC 482 ms
25,524 KB
testcase_29 AC 482 ms
25,524 KB
testcase_30 AC 489 ms
25,524 KB
testcase_31 AC 487 ms
25,524 KB
testcase_32 AC 307 ms
25,444 KB
testcase_33 AC 555 ms
25,524 KB
testcase_34 AC 480 ms
25,524 KB
testcase_35 AC 493 ms
25,524 KB
testcase_36 AC 485 ms
25,524 KB
testcase_37 AC 491 ms
25,524 KB
testcase_38 AC 485 ms
25,524 KB
testcase_39 AC 515 ms
25,524 KB
testcase_40 AC 223 ms
25,512 KB
testcase_41 AC 85 ms
25,512 KB
testcase_42 AC 107 ms
25,512 KB
testcase_43 AC 87 ms
25,444 KB
testcase_44 AC 112 ms
25,512 KB
testcase_45 AC 76 ms
25,444 KB
testcase_46 AC 428 ms
25,524 KB
testcase_47 AC 95 ms
25,512 KB
testcase_48 AC 226 ms
25,444 KB
testcase_49 AC 99 ms
25,512 KB
testcase_50 AC 92 ms
25,512 KB
testcase_51 AC 80 ms
25,512 KB
testcase_52 AC 89 ms
25,512 KB
testcase_53 AC 72 ms
25,444 KB
testcase_54 AC 127 ms
25,512 KB
testcase_55 AC 111 ms
25,512 KB
testcase_56 AC 86 ms
25,512 KB
testcase_57 AC 74 ms
25,436 KB
testcase_58 AC 72 ms
25,436 KB
testcase_59 AC 71 ms
25,444 KB
testcase_60 AC 62 ms
24,180 KB
testcase_61 AC 61 ms
24,180 KB
testcase_62 AC 61 ms
24,180 KB
testcase_63 AC 63 ms
24,180 KB
testcase_64 AC 320 ms
25,444 KB
testcase_65 AC 319 ms
25,512 KB
testcase_66 AC 62 ms
24,180 KB
testcase_67 AC 482 ms
25,524 KB
testcase_68 AC 527 ms
25,444 KB
testcase_69 AC 481 ms
25,524 KB
testcase_70 AC 98 ms
25,512 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.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 R = nd();
        var H = nd();
        var D = nd();

        cout.WriteLine("{0:F10}", Solve(R, H, D));
    }

    private double Solve(double r, double h, double d) {
        var iter = 10000000;
        var step = h / iter;
        double volume = 0;
        for (double y = step / 2; y < h; y += step) {
            var cr = r * y / h;
            if (d / 2.0 > cr) continue;
            var theta = Math.Acos((d / 2) / cr);
            var arc = cr * cr * theta;
            var triangle = cr * cr * Math.Sin(theta * 2) / 2;
            volume += (arc - triangle);
        }
        return volume * 2 * step;
    }
}


// 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;
        }
    }
}
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