#230582 (C#(csc)) No.634 硬貨の枚数1

提出ソース

結果

問題	No.634 硬貨の枚数1
ユーザー	sekiya9311
提出日時	2018-01-19 21:49:09
言語	C#(csc) (csc 3.9.0)
結果	AC
実行時間	131 ms / 2,000 ms
コード長	7,651 bytes
コンパイル時間	1,105 ms
コンパイル使用メモリ	119,260 KB
実行使用メモリ	19,328 KB
最終ジャッジ日時	2024-06-07 14:02:16
合計ジャッジ時間	8,202 ms
ジャッジサーバーID （参考情報）	judge4 / judge5

このコードへのチャレンジ
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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	31 ms 18,944 KB
testcase_01	AC	31 ms 19,072 KB
testcase_02	AC	31 ms 18,944 KB
testcase_03	AC	33 ms 19,072 KB
testcase_04	AC	31 ms 18,816 KB
testcase_05	AC	32 ms 18,816 KB
testcase_06	AC	31 ms 18,816 KB
testcase_07	AC	31 ms 18,816 KB
testcase_08	AC	31 ms 18,816 KB
testcase_09	AC	31 ms 19,072 KB
testcase_10	AC	31 ms 18,944 KB
testcase_11	AC	32 ms 18,816 KB
testcase_12	AC	31 ms 19,200 KB
testcase_13	AC	31 ms 18,816 KB
testcase_14	AC	42 ms 18,944 KB
testcase_15	AC	114 ms 18,944 KB
testcase_16	AC	67 ms 19,200 KB
testcase_17	AC	75 ms 18,944 KB
testcase_18	AC	66 ms 18,560 KB
testcase_19	AC	40 ms 19,072 KB
testcase_20	AC	49 ms 19,328 KB
testcase_21	AC	123 ms 19,200 KB
testcase_22	AC	115 ms 18,944 KB
testcase_23	AC	64 ms 19,072 KB
testcase_24	AC	31 ms 18,816 KB
testcase_25	AC	32 ms 19,072 KB
testcase_26	AC	31 ms 19,072 KB
testcase_27	AC	32 ms 18,816 KB
testcase_28	AC	32 ms 19,072 KB
testcase_29	AC	32 ms 18,816 KB
testcase_30	AC	31 ms 19,072 KB
testcase_31	AC	30 ms 18,816 KB
testcase_32	AC	31 ms 18,816 KB
testcase_33	AC	32 ms 18,944 KB
testcase_34	AC	37 ms 19,200 KB
testcase_35	AC	58 ms 19,072 KB
testcase_36	AC	88 ms 18,944 KB
testcase_37	AC	71 ms 19,072 KB
testcase_38	AC	40 ms 18,944 KB
testcase_39	AC	109 ms 19,200 KB
testcase_40	AC	85 ms 18,816 KB
testcase_41	AC	79 ms 19,072 KB
testcase_42	AC	105 ms 18,944 KB
testcase_43	AC	60 ms 19,200 KB
testcase_44	AC	29 ms 18,816 KB
testcase_45	AC	32 ms 18,816 KB
testcase_46	AC	38 ms 18,944 KB
testcase_47	AC	73 ms 19,072 KB
testcase_48	AC	32 ms 19,072 KB
testcase_49	AC	33 ms 18,944 KB
testcase_50	AC	126 ms 19,200 KB
testcase_51	AC	42 ms 18,816 KB
testcase_52	AC	32 ms 18,944 KB
testcase_53	AC	31 ms 19,200 KB
testcase_54	AC	31 ms 18,816 KB
testcase_55	AC	128 ms 18,944 KB
testcase_56	AC	126 ms 19,072 KB
testcase_57	AC	123 ms 18,944 KB
testcase_58	AC	124 ms 19,200 KB
testcase_59	AC	123 ms 19,072 KB
testcase_60	AC	121 ms 19,072 KB
testcase_61	AC	131 ms 19,072 KB
testcase_62	AC	124 ms 18,944 KB
testcase_63	AC	123 ms 19,072 KB
testcase_64	AC	123 ms 18,816 KB
testcase_65	AC	124 ms 19,072 KB
testcase_66	AC	126 ms 19,200 KB
testcase_67	AC	121 ms 19,072 KB
testcase_68	AC	125 ms 19,200 KB
testcase_69	AC	125 ms 19,072 KB
testcase_70	AC	122 ms 19,328 KB
testcase_71	AC	122 ms 19,200 KB
testcase_72	AC	123 ms 18,944 KB
testcase_73	AC	121 ms 18,944 KB
testcase_74	AC	123 ms 19,200 KB
testcase_75	AC	130 ms 19,200 KB
testcase_76	AC	32 ms 19,072 KB
testcase_77	AC	30 ms 19,072 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

raw source code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ProgrammingContest
{
    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 = null)
        {
            this.Write((val ?? string.Empty).ToString() + System.Environment.NewLine);
        }
        public void WriteLine(int val)
        {
            this.WriteLine(val.ToString());
        }
        public void WriteLine(long val)
        {
            this.WriteLine(val.ToString());
        }
        public void WriteLine(string val)
        {
            this.WriteLine((object)val);
        }
        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, char[] sep = null) 
            : this(new System.IO.StreamReader(path), sep)
        {
        }
        public Scanner(System.IO.TextReader reader = null,
                        char[] sep = null)
        {
            this.buffer = new Queue<string>();
            this.sep = (sep ?? new char[] { ' ' });
            this.reader = (reader ?? Console.In);
        }
        private void CheckBuffer()
        {
            if (this.buffer.Count == 0 && this.reader.Peek() != -1)
            {
                string str = string.Empty;
                for (; 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 string[] GetStringArray(int N)
        {
            return Enumerable.Range(0, N)
                             .Select(e => this.Next)
                             .ToArray();
        }

        public int NextInt
        {
            get
            {
                return int.Parse(this.Next);
            }
        }
        public int[] GetIntArray(int N)
        {
            return Enumerable.Range(0, N)
                             .Select(e => this.NextInt)
                             .ToArray();
        }

        public double NextDouble
        {
            get
            {
                return double.Parse(this.Next);
            }
        }
        public double[] GetdoubleArray(int N)
        {
            return Enumerable.Range(0, N)
                             .Select(e => this.NextDouble)
                             .ToArray();
        }

        public long NextLong
        {
            get
            {
                return long.Parse(this.Next);
            }
        }
        public long[] GetLongArray(int N)
        {
            return Enumerable.Range(0, N)
                             .Select(e => this.NextLong)
                             .ToArray();
        }

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

    class MainClass : IDisposable
    {
        Scanner sc;
        Writer wr;
        string backPath = "..";
        char dirSep = System.IO.Path.DirectorySeparatorChar;
        string inFilePath = string.Empty;
        string outFilePath = string.Empty;
        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";

            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
        }
        static void Main(string[] args)
        {
            using (var mainClass = new MainClass())
            {
                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();
            if (this.wr != null)
            {
                this.wr.Dispose();
            }
            this.wr = new Writer(inFilePath);


        }

        void Solve()
        {
            long N = sc.NextInt;
            List<int> coins = new List<int>();
            for (int i = 1; i * (i + 1) / 2 <= N; i++)
            {
                coins.Add(i * (i + 1) / 2);
            }
            if (coins.Where(e=> e == N).Count() == 1)
            {
                wr.WriteLine(1);
                return;
            }
            foreach (var c1 in coins)
            {
                foreach (var c2 in coins)
                {
                    if (c1 + c2 == N)
                    {
                        wr.WriteLine(2);
                        return;
                    }
                }
            }
            wr.WriteLine(3);
        }

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

yukicoder

結果

テストケース

コンパイルメッセージ

ソースコード