#216056 (C#(csc)) No.595 登山

• 問題: No.595 登山
• ユーザー: sekiya9311
• 提出日時: 2017-11-11 00:05:07
• 言語: C#(csc) (csc 3.9.0)
• 結果: WA
• 実行時間: -
• コード長: 6,918 bytes
• コンパイル時間: 1,093 ms
• コンパイル使用メモリ: 119,304 KB
• 実行使用メモリ: 58,628 KB
• 最終ジャッジ日時: 2024-11-24 16:02:22
• 合計ジャッジ時間: 4,500 ms
• ジャッジサーバーID （参考情報）: judge1 / judge4

ファイルパターン	結果
sample	AC * 4
other	AC * 4 WA * 21

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

        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

            //hoge();
            int N = sc.NextInt;
            long P = sc.NextInt;
            long[] H = new long[N].Select(e => sc.NextLong).ToArray();
            long ans = 0;
            for (int i = 0; i < N - 1; i++)
            {
                if (H[i] > H[i + 1])
                {
                    // 普通に降りる
                }
                else
                {
                    long cost = 0;
                    int j = i;
                    while (j + 1 < N && H[j] <= H[j + 1])
                    {
                        cost += H[j + 1] - H[j];
                        j++;
                    }
                    ans += Math.Min(j + 1 == N ? P : P * 2, cost);
                    i = j - 1;
                }
            }
            wr.WriteLine(ans);
        }

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

        void hoge()
        {
            string N = sc.Next;
            string ans = Div3(N) ? "Fizz" : string.Empty;
            ans += Div5(N) ? "Buzz" : string.Empty;
            wr.WriteLine(string.IsNullOrEmpty(ans) ? N : ans);
        }

        bool Div5(string N)
        {
            int mod = 0;
            for (int i = 0; i < N.Length; i++)
            {
                if (i % 2 == 0) mod += N[i] - '0';
                else mod -= N[i] - '0';
            }
            return Math.Abs(mod) % 11 == 0;
        }
        bool Div3(string N)
        {
            int mod = 0;
            for (int i = 0; i < N.Length; i++)
            {
                mod += N[i] - '0';
            }
            return mod % 3 == 0;
        }
    }

    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;
            }
        }
    }
}