結果

問題 No.531 エヌスクミ島の平和協定
ユーザー 紙ぺーぱー紙ぺーぱー
提出日時 2017-06-23 22:29:11
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 24 ms / 2,000 ms
コード長 5,669 bytes
コンパイル時間 1,751 ms
コンパイル使用メモリ 116,144 KB
実行使用メモリ 23,760 KB
最終ジャッジ日時 2023-10-19 20:05:44
合計ジャッジ時間 3,747 ms
ジャッジサーバーID
(参考情報)
judge14 / judge15
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 23 ms
23,760 KB
testcase_01 AC 23 ms
23,752 KB
testcase_02 AC 23 ms
23,752 KB
testcase_03 AC 23 ms
23,752 KB
testcase_04 AC 23 ms
23,752 KB
testcase_05 AC 23 ms
23,752 KB
testcase_06 AC 23 ms
23,752 KB
testcase_07 AC 23 ms
23,760 KB
testcase_08 AC 23 ms
23,752 KB
testcase_09 AC 23 ms
23,752 KB
testcase_10 AC 22 ms
23,760 KB
testcase_11 AC 22 ms
23,752 KB
testcase_12 AC 24 ms
23,752 KB
testcase_13 AC 24 ms
23,760 KB
testcase_14 AC 23 ms
23,760 KB
testcase_15 AC 23 ms
23,760 KB
testcase_16 AC 23 ms
23,752 KB
testcase_17 AC 23 ms
23,760 KB
testcase_18 AC 23 ms
23,760 KB
testcase_19 AC 24 ms
23,760 KB
testcase_20 AC 23 ms
23,760 KB
testcase_21 AC 23 ms
23,760 KB
testcase_22 AC 23 ms
23,760 KB
testcase_23 AC 23 ms
23,760 KB
testcase_24 AC 23 ms
23,760 KB
testcase_25 AC 23 ms
23,760 KB
testcase_26 AC 23 ms
23,760 KB
testcase_27 AC 23 ms
23,760 KB
testcase_28 AC 23 ms
23,760 KB
testcase_29 AC 23 ms
23,760 KB
testcase_30 AC 23 ms
23,760 KB
testcase_31 AC 23 ms
23,760 KB
testcase_32 AC 23 ms
23,760 KB
testcase_33 AC 23 ms
23,760 KB
testcase_34 AC 23 ms
23,760 KB
testcase_35 AC 22 ms
23,760 KB
testcase_36 AC 23 ms
23,760 KB
testcase_37 AC 23 ms
23,760 KB
testcase_38 AC 23 ms
23,760 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.Linq;
using System.Collections.Generic;
using Debug = System.Diagnostics.Debug;
using SB = System.Text.StringBuilder;
//using System.Numerics;
using Number = System.Int64;
using static System.Math;
//using static MathEx;
//using P = System.Collections.Generic.KeyValuePair<int, int>;

namespace Program
{
    public class Solver
    {
        public void Solve()
        {

            var n = ri;
            var m = ri;
            if (n > m)
            {
                if (n % 2 == 0 && m * 2 >= n) IO.Printer.Out.WriteLine(2);
                else IO.Printer.Out.WriteLine(-1);
            }
            else IO.Printer.Out.WriteLine(1);


        }
        //*
        int ri => sc.Integer();
        long rl => sc.Long();
        double rd => sc.Double();
        string rs => sc.Scan();
        char rc => sc.Char();

        [System.Diagnostics.Conditional("DEBUG")]
        void put(params object[] a) => Debug.WriteLine(string.Join(" ", a));

        //*/
        public IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput());

        static T[] Enumerate<T>(int n, Func<int, T> f)
        {
            var a = new T[n];
            for (int i = 0; i < n; ++i) a[i] = f(i);
            return a;
        }
        static void Swap<T>(ref T a, ref T b)
        {
            var tmp = a;
            a = b;
            b = tmp;
        }
    }
}

#region main

static class Ex
{
    public static string AsString(this IEnumerable<char> ie)
    {
        return new string(ie.ToArray());
    }

    public static string AsJoinedString<T>(this IEnumerable<T> ie, string st = " ")
    {
        return string.Join(st, ie);
    }

    public static void Main()
    {
        var solver = new Program.Solver();
        solver.Solve();
        Program.IO.Printer.Out.Flush();
    }
}

#endregion
#region Ex

namespace Program.IO
{
    using System.IO;
    using System.Text;
    using System.Globalization;

    public class Printer: StreamWriter
    {
        static Printer()
        {
            Out = new Printer(Console.OpenStandardOutput()) { AutoFlush = false };
        }

        public static Printer Out { get; set; }

        public override IFormatProvider FormatProvider
        {
            get { return CultureInfo.InvariantCulture; }
        }

        public Printer(Stream stream) : base(stream, new UTF8Encoding(false, true))
        {
        }

        public Printer(Stream stream, Encoding encoding) : base(stream, encoding)
        {
        }

        public void Write<T>(string format, T[] source)
        {
            base.Write(format, source.OfType<object>().ToArray());
        }

        public void WriteLine<T>(string format, T[] source)
        {
            base.WriteLine(format, source.OfType<object>().ToArray());
        }
    }

    public class StreamScanner
    {
        public StreamScanner(Stream stream)
        {
            str = stream;
        }

        public readonly Stream str;
        private readonly byte[] buf = new byte[1024];
        private int len, ptr;
        public bool isEof;

        public bool IsEndOfStream
        {
            get { return isEof; }
        }

        private byte read()
        {
            if (isEof) return 0;
            if (ptr < len) return buf[ptr++];
            ptr = 0;
            if ((len = str.Read(buf, 0, 1024)) > 0) return buf[ptr++];
            isEof = true;
            return 0;
        }

        public char Char()
        {
            byte b;
            do b = read(); while ((b < 33 || 126 < b) && !isEof);
            return (char)b;
        }

        public string Scan()
        {
            var sb = new StringBuilder();
            for (var b = Char(); b >= 33 && b <= 126; b = (char)read())
                sb.Append(b);
            return sb.ToString();
        }

        public string ScanLine()
        {
            var sb = new StringBuilder();
            for (var b = Char(); b != '\n'; b = (char)read())
                if (b == 0) break;
                else if (b != '\r') sb.Append(b);
            return sb.ToString();
        }

        public long Long()
        {
            if (isEof) return long.MinValue;
            long ret = 0;
            byte b;
            var ng = false;
            do b = read(); while (b != 0 && b != '-' && (b < '0' || '9' < b));
            if (b == 0) return long.MinValue;
            if (b == '-')
            {
                ng = true;
                b = read();
            }
            for (; ; b = read())
            {
                if (b < '0' || '9' < b)
                    return ng ? -ret : ret;
                ret = ret * 10 + b - '0';
            }
        }

        public int Integer()
        {
            return (isEof) ? int.MinValue : (int)Long();
        }

        public double Double()
        {
            var s = Scan();
            return s != "" ? double.Parse(s, CultureInfo.InvariantCulture) : double.NaN;
        }

        static T[] enumerate<T>(int n, Func<T> f)
        {
            var a = new T[n];
            for (int i = 0; i < n; ++i) a[i] = f();
            return a;
        }

        public char[] Char(int n)
        {
            return enumerate(n, Char);
        }

        public string[] Scan(int n)
        {
            return enumerate(n, Scan);
        }

        public double[] Double(int n)
        {
            return enumerate(n, Double);
        }

        public int[] Integer(int n)
        {
            return enumerate(n, Integer);
        }

        public long[] Long(int n)
        {
            return enumerate(n, Long);
        }
    }
}

#endregion


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