結果
| 問題 |
No.1149 色塗りゲーム
|
| コンテスト | |
| ユーザー |
👑  terry_u16
|
| 提出日時 | 2020-08-07 22:51:39 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 11,410 bytes |
| コンパイル時間 | 1,280 ms |
| コンパイル使用メモリ | 121,288 KB |
| 実行使用メモリ | 46,376 KB |
| 平均クエリ数 | 7.32 |
| 最終ジャッジ日時 | 2024-07-17 05:06:01 |
| 合計ジャッジ時間 | 8,956 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge3 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| other | AC * 7 WA * 43 |
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.IO;
using System.Linq;
using System.Text;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using YukicoderContest260.Extensions;
using YukicoderContest260.Questions;
using System.Diagnostics;
namespace YukicoderContest260.Questions
{
public class QuestionA : AtCoderQuestionBase
{
int[] _grundy;
public override IEnumerable<object> Solve(TextReader inputStream)
{
var n = inputStream.ReadInt();
var painted = new bool[n];
_grundy = GetGrundy(n);
while (true)
{
var (x, k) = Think(painted);
yield return $"{k} {x + 1}";
ShowBoard(painted);
// 敵の処理
var t = inputStream.ReadInt();
if (t == 3)
{
var (enemyK, enemyX) = inputStream.ReadValue<int, int>();
enemyX--;
Paint(painted, enemyX, enemyK);
ShowBoard(painted);
}
else
{
break;
}
}
}
private int[] GetGrundy(int n)
{
var grundies = Enumerable.Repeat(-1, n + 1).ToArray();
grundies[0] = 0;
grundies[1] = 1;
for (int length = 2; length < grundies.Length; length++)
{
var nextGrundies = new bool[grundies.Length];
for (int x = 0; x < n; x++)
{
for (int k = 1; k <= 2; k++)
{
if (x + k > length)
{
continue;
}
var left = x;
var right = length - (x + k);
nextGrundies[left ^ right] = true;
}
}
grundies[length] = GetMex(nextGrundies);
}
return grundies;
}
private int GetMex(bool[] nextGrundies)
{
for (int i = 0; i < nextGrundies.Length; i++)
{
if (!nextGrundies[i])
{
return i;
}
}
return nextGrundies.Length;
}
private (int x, int k) Think(bool[] painted)
{
for (int x = 0; x < painted.Length; x++)
{
for (int k = 1; k <= 2; k++)
{
if (x + k > painted.Length)
{
continue;
}
if (CanPaint(painted, x, k))
{
Paint(painted, x, k);
if (GetGrundy(painted) == 0)
{
return (x, k);
}
else
{
UnPaint(painted, x, k);
}
}
}
}
return (-1, -1);
}
private bool CanPaint(bool[] painted, int x, int k)
{
var ok = true;
for (int i = 0; i < k; i++)
{
ok &= !painted[x + i];
}
return ok;
}
private int GetGrundy(bool[] painted)
{
var current = 0;
var grundy = 0;
for (int i = 0; i < painted.Length; i++)
{
if (painted[i])
{
grundy ^= _grundy[current];
current = 0;
}
else
{
current++;
}
}
return grundy ^ _grundy[current];
}
private void Paint(bool[] painted, int x, int k)
{
for (int i = 0; i < k; i++)
{
painted[x + i] = true;
}
}
private void UnPaint(bool[] painted, int x, int k)
{
for (int i = 0; i < k; i++)
{
painted[x + i] = false;
}
}
[Conditional("DEBUG")]
private void ShowBoard(bool[] painted)
{
Console.WriteLine(painted.Select(b => b ? '■' : '□').Join());
}
}
}
namespace YukicoderContest260
{
class Program
{
static void Main(string[] args)
{
IAtCoderQuestion question = new QuestionA();
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 YukicoderContest260.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 YukicoderContest260.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, char separator) => string.Join(separator, 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);
}
public static (T1, T2, T3, T4, T5, T6, T7, T8) ReadValue<T1, T2, T3, T4, T5, T6, T7, T8>(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));
var v8 = (T8)Convert.ChangeType(inputs[7], typeof(T8));
return (v1, v2, v3, v4, v5, v6, v7, v8);
}
}
}
#endregion