結果

問題 No.1199 お菓子配り-2
ユーザー terry_u16terry_u16
提出日時 2020-08-28 23:49:13
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 469 ms / 1,000 ms
コード長 6,980 bytes
コンパイル時間 2,387 ms
コンパイル使用メモリ 117,644 KB
実行使用メモリ 52,996 KB
最終ジャッジ日時 2024-11-14 02:37:01
合計ジャッジ時間 18,799 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge2
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 30 ms
25,432 KB
testcase_01 AC 30 ms
25,348 KB
testcase_02 AC 30 ms
25,268 KB
testcase_03 AC 126 ms
40,284 KB
testcase_04 AC 254 ms
47,336 KB
testcase_05 AC 41 ms
27,668 KB
testcase_06 AC 47 ms
30,228 KB
testcase_07 AC 143 ms
43,804 KB
testcase_08 AC 179 ms
44,364 KB
testcase_09 AC 122 ms
39,292 KB
testcase_10 AC 57 ms
30,116 KB
testcase_11 AC 104 ms
37,212 KB
testcase_12 AC 103 ms
37,444 KB
testcase_13 AC 58 ms
31,748 KB
testcase_14 AC 54 ms
32,164 KB
testcase_15 AC 50 ms
30,120 KB
testcase_16 AC 180 ms
47,992 KB
testcase_17 AC 102 ms
35,908 KB
testcase_18 AC 182 ms
46,096 KB
testcase_19 AC 71 ms
32,164 KB
testcase_20 AC 302 ms
44,888 KB
testcase_21 AC 197 ms
45,472 KB
testcase_22 AC 115 ms
31,792 KB
testcase_23 AC 155 ms
36,468 KB
testcase_24 AC 202 ms
45,344 KB
testcase_25 AC 61 ms
29,444 KB
testcase_26 AC 224 ms
48,880 KB
testcase_27 AC 191 ms
49,364 KB
testcase_28 AC 458 ms
48,548 KB
testcase_29 AC 458 ms
50,808 KB
testcase_30 AC 458 ms
50,856 KB
testcase_31 AC 458 ms
48,668 KB
testcase_32 AC 459 ms
49,016 KB
testcase_33 AC 462 ms
51,092 KB
testcase_34 AC 469 ms
52,996 KB
testcase_35 AC 456 ms
48,836 KB
testcase_36 AC 459 ms
48,772 KB
testcase_37 AC 461 ms
46,672 KB
testcase_38 AC 455 ms
50,796 KB
testcase_39 AC 458 ms
50,768 KB
testcase_40 AC 457 ms
50,740 KB
testcase_41 AC 454 ms
48,744 KB
testcase_42 AC 457 ms
48,828 KB
testcase_43 AC 457 ms
48,884 KB
testcase_44 AC 460 ms
50,988 KB
testcase_45 AC 468 ms
50,888 KB
testcase_46 AC 456 ms
46,884 KB
testcase_47 AC 459 ms
48,940 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.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using Yukicoder263.Extensions;
using Yukicoder263.Questions;

namespace Yukicoder263.Questions
{
    public class QuestionB : AtCoderQuestionBase
    {
        public override IEnumerable<object> Solve(TextReader inputStream)
        {
            var (snackCount, _) = inputStream.ReadValue<int, int>();
            var snacks = new long[snackCount];
            for (int i = 0; i < snacks.Length; i++)
            {
                snacks[i] = inputStream.ReadLongArray().Sum();
            }

            var dp = new long[snackCount + 1, 2];

            for (int i = 0; i < snacks.Length; i++)
            {
                dp[i + 1, 1] = Math.Max(dp[i, 1], dp[i, 0] + snacks[i]);
                dp[i + 1, 0] = Math.Max(dp[i, 0], dp[i, 1] - snacks[i]);
            }

            yield return Math.Max(dp[snackCount, 0], dp[snackCount, 1]);
        }
    }
}

namespace Yukicoder263
{
    class Program
    {
        static void Main(string[] args)
        {
            IAtCoderQuestion question = new QuestionB();
            var answers = question.Solve(Console.In);

            var writer = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
            Console.SetOut(writer);
            foreach (var answer in answers)
            {
                Console.WriteLine(answer);
            }
            Console.Out.Flush();
        }
    }
}

#region Base Class

namespace Yukicoder263.Questions
{

    public interface IAtCoderQuestion
    {
        IEnumerable<object> Solve(string input);
        IEnumerable<object> Solve(TextReader inputStream);
    }

    public abstract class AtCoderQuestionBase : IAtCoderQuestion
    {
        public IEnumerable<object> Solve(string input)
        {
            var stream = new MemoryStream(Encoding.Unicode.GetBytes(input));
            var reader = new StreamReader(stream, Encoding.Unicode);

            return Solve(reader);
        }

        public abstract IEnumerable<object> Solve(TextReader inputStream);
    }
}

#endregion

#region Extensions

namespace Yukicoder263.Extensions
{
    public static class StringExtensions
    {
        public static string Join<T>(this IEnumerable<T> source) => string.Concat(source);
        public static string Join<T>(this IEnumerable<T> source, string separator) => string.Join(separator, source);
    }

    public static class TextReaderExtensions
    {
        public static int ReadInt(this TextReader reader) => int.Parse(ReadString(reader));
        public static long ReadLong(this TextReader reader) => long.Parse(ReadString(reader));
        public static double ReadDouble(this TextReader reader) => double.Parse(ReadString(reader));
        public static string ReadString(this TextReader reader) => reader.ReadLine();

        public static int[] ReadIntArray(this TextReader reader, char separator = ' ') => ReadStringArray(reader, separator).Select(int.Parse).ToArray();
        public static long[] ReadLongArray(this TextReader reader, char separator = ' ') => ReadStringArray(reader, separator).Select(long.Parse).ToArray();
        public static double[] ReadDoubleArray(this TextReader reader, char separator = ' ') => ReadStringArray(reader, separator).Select(double.Parse).ToArray();
        public static string[] ReadStringArray(this TextReader reader, char separator = ' ') => reader.ReadLine().Split(separator);

        // Supports primitive type only.
        public static T1 ReadValue<T1>(this TextReader reader) => (T1)Convert.ChangeType(reader.ReadLine(), typeof(T1));

        public static (T1, T2) ReadValue<T1, T2>(this TextReader reader, char separator = ' ')
        {
            var inputs = ReadStringArray(reader, separator);
            var v1 = (T1)Convert.ChangeType(inputs[0], typeof(T1));
            var v2 = (T2)Convert.ChangeType(inputs[1], typeof(T2));
            return (v1, v2);
        }

        public static (T1, T2, T3) ReadValue<T1, T2, T3>(this TextReader reader, char separator = ' ')
        {
            var inputs = ReadStringArray(reader, separator);
            var v1 = (T1)Convert.ChangeType(inputs[0], typeof(T1));
            var v2 = (T2)Convert.ChangeType(inputs[1], typeof(T2));
            var v3 = (T3)Convert.ChangeType(inputs[2], typeof(T3));
            return (v1, v2, v3);
        }

        public static (T1, T2, T3, T4) ReadValue<T1, T2, T3, T4>(this TextReader reader, char separator = ' ')
        {
            var inputs = ReadStringArray(reader, separator);
            var v1 = (T1)Convert.ChangeType(inputs[0], typeof(T1));
            var v2 = (T2)Convert.ChangeType(inputs[1], typeof(T2));
            var v3 = (T3)Convert.ChangeType(inputs[2], typeof(T3));
            var v4 = (T4)Convert.ChangeType(inputs[3], typeof(T4));
            return (v1, v2, v3, v4);
        }

        public static (T1, T2, T3, T4, T5) ReadValue<T1, T2, T3, T4, T5>(this TextReader reader, char separator = ' ')
        {
            var inputs = ReadStringArray(reader, separator);
            var v1 = (T1)Convert.ChangeType(inputs[0], typeof(T1));
            var v2 = (T2)Convert.ChangeType(inputs[1], typeof(T2));
            var v3 = (T3)Convert.ChangeType(inputs[2], typeof(T3));
            var v4 = (T4)Convert.ChangeType(inputs[3], typeof(T4));
            var v5 = (T5)Convert.ChangeType(inputs[4], typeof(T5));
            return (v1, v2, v3, v4, v5);
        }

        public static (T1, T2, T3, T4, T5, T6) ReadValue<T1, T2, T3, T4, T5, T6>(this TextReader reader, char separator = ' ')
        {
            var inputs = ReadStringArray(reader, separator);
            var v1 = (T1)Convert.ChangeType(inputs[0], typeof(T1));
            var v2 = (T2)Convert.ChangeType(inputs[1], typeof(T2));
            var v3 = (T3)Convert.ChangeType(inputs[2], typeof(T3));
            var v4 = (T4)Convert.ChangeType(inputs[3], typeof(T4));
            var v5 = (T5)Convert.ChangeType(inputs[4], typeof(T5));
            var v6 = (T6)Convert.ChangeType(inputs[5], typeof(T6));
            return (v1, v2, v3, v4, v5, v6);
        }

        public static (T1, T2, T3, T4, T5, T6, T7) ReadValue<T1, T2, T3, T4, T5, T6, T7>(this TextReader reader, char separator = ' ')
        {
            var inputs = ReadStringArray(reader, separator);
            var v1 = (T1)Convert.ChangeType(inputs[0], typeof(T1));
            var v2 = (T2)Convert.ChangeType(inputs[1], typeof(T2));
            var v3 = (T3)Convert.ChangeType(inputs[2], typeof(T3));
            var v4 = (T4)Convert.ChangeType(inputs[3], typeof(T4));
            var v5 = (T5)Convert.ChangeType(inputs[4], typeof(T5));
            var v6 = (T6)Convert.ChangeType(inputs[5], typeof(T6));
            var v7 = (T7)Convert.ChangeType(inputs[6], typeof(T7));
            return (v1, v2, v3, v4, v5, v6, v7);
        }
    }
}

#endregion
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