#210552 (C#(csc)) No.237 作図可能性

• 問題: No.237 作図可能性
• ユーザー: sekiya9311
• 提出日時: 2017-10-18 23:01:37
• 言語: C#(csc) (csc 3.9.0)
• 結果: AC
• 実行時間: 32 ms / 2,000 ms
• コード長: 6,042 bytes
• コンパイル時間: 1,141 ms
• コンパイル使用メモリ: 118,120 KB
• 実行使用メモリ: 28,508 KB
• 最終ジャッジ日時: 2024-04-29 11:57:38
• 合計ジャッジ時間: 2,950 ms
• ジャッジサーバーID （参考情報）: judge5 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	29 ms; 26,416 KB
testcase_01	AC	29 ms; 26,084 KB
testcase_02	AC	31 ms; 26,336 KB
testcase_03	AC	30 ms; 26,304 KB
testcase_04	AC	28 ms; 26,080 KB
testcase_05	AC	28 ms; 26,180 KB
testcase_06	AC	32 ms; 28,100 KB
testcase_07	AC	30 ms; 25,900 KB
testcase_08	AC	30 ms; 25,956 KB
testcase_09	AC	30 ms; 28,232 KB
testcase_10	AC	31 ms; 27,992 KB
testcase_11	AC	30 ms; 26,192 KB
testcase_12	AC	30 ms; 26,080 KB
testcase_13	AC	30 ms; 26,208 KB
testcase_14	AC	30 ms; 25,956 KB
testcase_15	AC	30 ms; 26,200 KB
testcase_16	AC	31 ms; 28,096 KB
testcase_17	AC	29 ms; 26,200 KB
testcase_18	AC	30 ms; 28,092 KB
testcase_19	AC	31 ms; 28,136 KB
testcase_20	AC	30 ms; 25,952 KB
testcase_21	AC	30 ms; 26,204 KB
testcase_22	AC	30 ms; 27,868 KB
testcase_23	AC	30 ms; 27,992 KB
testcase_24	AC	31 ms; 26,160 KB
testcase_25	AC	30 ms; 25,924 KB
testcase_26	AC	28 ms; 28,004 KB
testcase_27	AC	30 ms; 28,508 KB
testcase_28	AC	30 ms; 26,032 KB
testcase_29	AC	29 ms; 24,112 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.Generic;
using System.Linq;
using System.Text;

namespace ProgrammingContest
{
    class MainClass : IDisposable
    {
        Scanner sc;
        Writer wr;
        string backPath = "..";
        char dirSep = System.IO.Path.DirectorySeparatorChar;
        string inFilePath = null;
        string outFilePath = null;
        public MainClass()
        {
            this.inFilePath = this.backPath
                            + this.dirSep
                            + this.backPath
                            + this.dirSep
                            + "in.txt";
            this.outFilePath = this.backPath
                             + this.dirSep
                             + this.backPath
                             + this.dirSep
                             + "out.txt";
        }
        static void Main(string[] args)
        {
            using (var mainClass = new MainClass())
            {
                //mainClass.MakeTestCase();
                mainClass.Solve();
            }
        }

        public void Dispose()
        {
            if (this.sc != null)
            {
                this.sc.Dispose();
            }
            if (this.wr != null)
            {
                this.wr.Dispose();
            }
        }

        void MakeTestCase()
        {
            Random rand = new Random();
            this.wr = new Writer(inFilePath);


        }

        void Solve()
        {
            this.wr = new Writer(this.isReactive);
            //this.wr = new Writer(this.outFilePath);
#if DEBUG
            if (!this.isReactive)
                this.sc = new Scanner(this.inFilePath);
            else
                this.sc = new Scanner();
#else
            this.sc = new Scanner();
#endif
            long[] f = new long[] { 3, 5, 17, 257, 65537 };
            int a = sc.NextInt;
            HashSet<long> set = new HashSet<long>();
            for (int fBit = 0; fBit < (1 << f.Length); fBit++)
            {
                long val = 1;
                for (int i = 0; i < f.Length; i++)
                {
                    if (((fBit & (1 << i)) != 0))
                        val *= f[i];
                }
                for (int m = 0; m < 30; m++)
                {
                    if (3 <= val * (1 << m) && val * (1 << m) <= a)
                        set.Add(val * (1 << m));
                }
            }
            wr.WriteLine(set.Count);
        }

        bool isReactive = false; // TODO: reactive check !!
    }

    class Writer : IDisposable
    {
        private System.IO.TextWriter writer;
        private StringBuilder sb;
        private bool isReactive;
        public Writer(string path) : this(new System.IO.StreamWriter(path))
        {
        }
        public Writer(bool isReactive) : this(null, isReactive)
        {
        }
        public Writer(System.IO.TextWriter writer = null, bool isReactive = false)
        {
            this.writer = (writer ?? Console.Out);
            this.isReactive = isReactive;
            if (!this.isReactive)
            {
                this.sb = new StringBuilder();
            }
        }
        public void Dispose()
        {
            if (!this.isReactive)
                this.writer.Write(sb.ToString());
            if (!this.writer.Equals(Console.Out))
                this.writer.Dispose();
        }
        public void Write(object val)
        {
            if (this.isReactive)
            {
                this.writer.Write(val.ToString());
                this.writer.Flush();
            }
            else
                this.sb.Append(val.ToString());
        }
        public void Write(string format, params object[] vals)
        {
            if (this.isReactive)
            {
                this.writer.Write(format, vals);
                this.writer.Flush();
            }
            else
                this.sb.AppendFormat(format, vals);
        }
        public void WriteLine(object val)
        {
            this.Write(val.ToString() + System.Environment.NewLine);
        }
        public void WriteLine(string format, params object[] vals)
        {
            this.Write(format + System.Environment.NewLine, vals);
        }
    }

    class Scanner : IDisposable
    {
        private Queue<string> buffer;
        private char[] sep;
        private System.IO.TextReader reader;
        public Scanner(string path) : this(new System.IO.StreamReader(path))
        {
        }
        public Scanner(System.IO.TextReader reader = null)
        {
            this.buffer = new Queue<string>();
            this.sep = new char[] { ' ' };
            this.reader = (reader ?? Console.In);
        }
        private void CheckBuffer()
        {
            if (this.buffer.Count == 0)
            {
                string str = string.Empty;
                while (string.IsNullOrEmpty(str))
                {
                    str = this.reader.ReadLine();
                }
                str.Split(this.sep).ToList()
                    .ForEach(el => this.buffer.Enqueue(el));
            }
        }

        public void Dispose()
        {
            if (!this.reader.Equals(Console.In))
                this.reader.Dispose();
        }

        public string Next
        {
            get
            {
                this.CheckBuffer();
                return this.buffer.Dequeue();
            }
        }

        public int NextInt
        {
            get
            {
                return int.Parse(this.Next);
            }
        }
        public double NextDouble
        {
            get
            {
                return double.Parse(this.Next);
            }
        }

        public long NextLong
        {
            get
            {
                return long.Parse(this.Next);
            }
        }
        public bool IsEnd
        {
            get
            {
                this.CheckBuffer();
                return this.buffer.Count == 0;
            }
        }
    }
}