結果
問題 | No.240 ナイト散歩 |
ユーザー |
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提出日時 | 2016-05-08 22:22:14 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 29 ms / 2,000 ms |
コード長 | 2,523 bytes |
コンパイル時間 | 908 ms |
コンパイル使用メモリ | 116,856 KB |
実行使用メモリ | 27,568 KB |
最終ジャッジ日時 | 2024-10-07 21:24:53 |
合計ジャッジ時間 | 2,809 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 30 |
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;class Program{public void Proc(){Reader.IsDebug = false;long[] inpt = Reader.ReadLine().Split(' ').Select(a=>long.Parse(a)).ToArray();this.goalX = inpt[0];this.goalY = inpt[1];bool canReach = this.GetAns(0,0, 3);string ans = "NO";if(canReach) {ans = "YES";}Console.WriteLine(ans);}private bool GetAns(long x, long y, int remain) {if(x == this.goalX && y == this.goalY) {return true;}if(remain == 0) {return false;}List<long[]> nextPos = new List<long[]>();nextPos.Add(new long[] {x+1, y+2});nextPos.Add(new long[] {x-1, y+2});nextPos.Add(new long[] {x+1, y-2});nextPos.Add(new long[] {x-1, y-2});nextPos.Add(new long[] {x+2, y-1});nextPos.Add(new long[] {x+2, y+1});nextPos.Add(new long[] {x-2, y-1});nextPos.Add(new long[] {x-2, y+1});foreach (long[] pos in nextPos){long nextX = pos[0];long nextY = pos[1];if(GetAns(nextX, nextY, remain - 1)) {return true;}}return false;}private long goalX = 0;private long goalY = 0;public class Reader{public static bool IsDebug = true;private static String PlainInput = @"0 0";private static System.IO.StringReader Sr = null;public static string ReadLine(){if (IsDebug){if (Sr == null){Sr = new System.IO.StringReader(PlainInput.Trim());}return Sr.ReadLine();}else{return Console.ReadLine();}}public static int[] GetInt(char delimiter = ' ', bool trim = false){string inptStr = ReadLine();if (trim){inptStr = inptStr.Trim();}string[] inpt = inptStr.Split(delimiter);int[] ret = new int[inpt.Length];for (int i = 0; i < inpt.Length; i++){ret[i] = int.Parse(inpt[i]);}return ret;}}static void Main(){Program prg = new Program();prg.Proc();}}