結果

問題 No.1588 Connection
ユーザー watarimaycry2watarimaycry2
提出日時 2021-07-09 00:21:56
言語 Java21
(openjdk 21)
結果
RE  
実行時間 -
コード長 4,978 bytes
コンパイル時間 2,812 ms
コンパイル使用メモリ 80,964 KB
実行使用メモリ 78,604 KB
平均クエリ数 592.22
最終ジャッジ日時 2023-09-24 11:52:58
合計ジャッジ時間 12,485 ms
ジャッジサーバーID
（参考情報） 		judge14 / judge11
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 174 ms
72,228 KB
testcase_01 RE -
testcase_02 AC 172 ms
72,404 KB
testcase_03 AC 172 ms
71,964 KB
testcase_04 AC 180 ms
72,352 KB
testcase_05 AC 167 ms
71,820 KB
testcase_06 AC 190 ms
72,124 KB
testcase_07 AC 174 ms
72,700 KB
testcase_08 RE -
testcase_09 RE -
testcase_10 RE -
testcase_11 RE -
testcase_12 RE -
testcase_13 RE -
testcase_14 AC 159 ms
72,872 KB
testcase_15 AC 170 ms
71,988 KB
testcase_16 AC 171 ms
72,116 KB
testcase_17 AC 159 ms
72,336 KB
testcase_18 AC 151 ms
72,616 KB
testcase_19 AC 169 ms
70,712 KB
testcase_20 AC 151 ms
72,604 KB
testcase_21 RE -
testcase_22 RE -
testcase_23 RE -
testcase_24 RE -
testcase_25 AC 403 ms
75,616 KB
testcase_26 AC 396 ms
75,160 KB
testcase_27 AC 313 ms
73,500 KB
testcase_28 AC 280 ms
73,448 KB
testcase_29 RE -
testcase_30 RE -
testcase_31 RE -
権限があれば一括ダウンロードができます

ソースコード

diff # 

import java.util.*; import java.io.*; import java.math.*;
public class Main{
	//見なくていいよ　ここから------------------------------------------
	static class InputIterator{
		ArrayList<String> inputLine = new ArrayList<>(1024);
		int index = 0; int max; String read;
		InputIterator(){
			BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
			try{
				while((read = br.readLine()) != null){
					inputLine.addAll(Arrays.asList(read.split(" ")));
				}
			}catch(IOException e){}
			max = inputLine.size();
		}
		boolean hasNext(){return (index < max);}
		String next(){
			if(hasNext()){
				return inputLine.get(index++);
			}else{
				throw new IndexOutOfBoundsException("There is no more input");
			}
		}
	}
	static HashMap<Integer, String> CONVSTR = new HashMap<>();
	static InputIterator ii = null;//new InputIterator();//This class cannot be used in reactive problem.
	static PrintWriter out = new PrintWriter(System.out);
	static void flush(){out.flush();}
	static void myout(Object t){out.println(t);}
	static void myerr(Object t){System.err.print("debug:");System.err.println(t);}
	static String next(){return ii.next();}
	static boolean hasNext(){return ii.hasNext();}
	static int nextInt(){return Integer.parseInt(next());}
	static long nextLong(){return Long.parseLong(next());}
	static double nextDouble(){return Double.parseDouble(next());}
	static ArrayList<String> nextCharArray(){return myconv(next(), 0);}
	static ArrayList<String> nextStrArray(int size){
		ArrayList<String> ret = new ArrayList<>(size);
		for(int i = 0; i < size; i++){
			ret.add(next());
		}
		return ret;
	}
	static ArrayList<Integer> nextIntArray(int size){
		ArrayList<Integer> ret = new ArrayList<>(size);
		for(int i = 0; i < size; i++){
			ret.add(Integer.parseInt(next()));
		}
		return ret;
	}
	static ArrayList<Long> nextLongArray(int size){
		ArrayList<Long> ret = new ArrayList<>(size);
		for(int i = 0; i < size; i++){
			ret.add(Long.parseLong(next()));
		}
		return ret;
	}
	@SuppressWarnings("unchecked")
	static String myconv(Object list, int no){//only join
		StringBuilder sb = new StringBuilder("");
		String joinString = CONVSTR.get(no);
		if(list instanceof String[]){
			return String.join(joinString, (String[])list);
		}else if(list instanceof long[]){
			long[] tmp = (long[])list;
			if(tmp.length == 0){
				return "";
			}
			sb.append(String.valueOf(tmp[0]));
			for(int i = 1; i < tmp.length; i++){
				sb.append(joinString).append(String.valueOf(tmp[i]));
			}
			return sb.toString();
		}else if(list instanceof int[]){
			int[] tmp = (int[])list;
			if(tmp.length == 0){
				return "";
			}
			sb.append(String.valueOf(tmp[0]));
			for(int i = 1; i < tmp.length; i++){
				sb.append(joinString).append(String.valueOf(tmp[i]));
			}
			return sb.toString();
		}else if(list instanceof ArrayList){
			ArrayList tmp = (ArrayList)list;
			if(tmp.size() == 0){
				return "";
			}
			sb.append(tmp.get(0));
			for(int i = 1; i < tmp.size(); i++){
				sb.append(joinString).append(tmp.get(i));
			}
			return sb.toString();
		}else{
			throw new ClassCastException("Don't join");
		}
	}
	static ArrayList<String> myconv(String str, int no){//only split
		String splitString = CONVSTR.get(no);
		return new ArrayList<String>(Arrays.asList(str.split(splitString)));
	}
	static ArrayList<String> myconv(String str, String no){
		return new ArrayList<String>(Arrays.asList(str.split(no)));
	}
	public static void main(String[] args){
		CONVSTR.put(8, " "); CONVSTR.put(9, "\n"); CONVSTR.put(0, "");
		solve();flush();
	}
	//見なくていいよ　ここまで------------------------------------------
	//このコードをコンパイルするときは、「-encoding UTF-8」を指定すること
	static void solve(){//ここがメイン関数
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int M = sc.nextInt();
		int count = 1;
		ArrayDeque<Q> queue = new ArrayDeque<>();
		boolean[][] access = new boolean[N + 1][N + 1];
		int[] dy = {-1,0,1,0};
		int[] dx = {0,-1,0,1};
		queue.add(new Q(1,1));
		access[1][1] = true;
		while(queue.size() > 0){
			Q now = queue.pollFirst();
			int y = now.y;
			int x = now.x;
			if(y == N && x == N){
				System.out.println("Yes");
				System.out.flush();
				return;
			}
			for(int i = 0; i < dy.length; i++){
				int nextY = y + dy[i];
				int nextX = x + dx[i];
				if(access[nextY][nextX]){
					continue;
				}
				if(nextY >= 1 && nextY <= N && nextX >= 1 && nextX <= N && count <= 3000){
					System.out.println(nextX + " " + nextY);
					System.out.flush();
					String s = sc.next();
					if(s.equals("Black")){
						queue.addLast(new Q(nextY, nextX));
						access[nextY][nextX] = true;
						count++;
					}
				}
			}
		}
		System.out.println("No");
		System.out.flush();
	}
	//メソッド追加エリア　ここから

static class Q{
	int y;
	int x;
	Q(int y, int x){
		this.y = y;
		this.x = x;
	}
}

	//メソッド追加エリア　ここまで
}
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