結果

問題 No.141 魔法少女コバ
ユーザー sekiya9311
提出日時 2017-10-17 23:33:06
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 28 ms / 5,000 ms
コード長 6,545 bytes
コンパイル時間 1,182 ms
コンパイル使用メモリ 114,408 KB
実行使用メモリ 28,184 KB
最終ジャッジ日時 2024-11-18 07:54:32
合計ジャッジ時間 6,269 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 93
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 #
プレゼンテーションモードにする

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();
                this.sc = null;
            }
            if (this.wr != null)
            {
                this.wr.Dispose();
                this.wr = null;
            }
        }
        void MakeTestCase()
        {
            Random rand = new Random();
            var res = new StringBuilder();
            using (var writer = new System.IO.StreamWriter(inFilePath))
                writer.Write(res.ToString());
        }
        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 m = sc.NextLong;
            long n = sc.NextLong;
            long gcdVal = Gcd(m, n);
            m /= gcdVal;
            n /= gcdVal;
            long cnt = 0;
            // m/n
            while (m != n && m != 0 && n != 0)
            {
                if (m > n)
                {
                    cnt += m / n;
                    m %= n;
                }
                else if (m < n)
                {
                    var tmp = m;
                    m = n;
                    n = tmp;
                    cnt++;
                }
            }
            wr.WriteLine(Math.Max(0, cnt - 1));
        }
        long Gcd(long a, long b)
        {
            if (a < b)
            {
                long tmp = b;
                b = a;
                a = tmp;
            }
            long ret = 1;
            while (b != 0)
            {
                ret = b;
                b = a % b;
                a = ret;
            }
            return ret;
        }
        bool isReactive = false; // TODO: reactive check !!
    }
    class Writer : IDisposable
    {
        System.IO.TextWriter writer;
        StringBuilder sb;
        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);
            if (!(this.isReactive = isReactive))
            {
                this.sb = new StringBuilder();
            }
        }
        public void Dispose()
        {
            if (!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
    {
        Queue<string> buffer;
        char[] sep;
        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 = null;
                while (string.IsNullOrEmpty(str))
                {
                    str = this.reader.ReadLine();
                }
                string[] strArray = str.Split(this.sep);
                foreach (string elStr in strArray)
                {
                    this.buffer.Enqueue(elStr);
                }
            }
        }
        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 IsEmpty
        {
            get
            {
                this.CheckBuffer();
                return this.buffer.Count == 0;
            }
        }
    }
}
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