結果

問題 No.240 ナイト散歩
ユーザー suiginginsuigingin
提出日時 2015-07-10 22:35:01
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 3,389 bytes
コンパイル時間 4,380 ms
コンパイル使用メモリ 75,712 KB
実行使用メモリ 56,584 KB
最終ジャッジ日時 2023-09-22 10:00:02
合計ジャッジ時間 9,660 ms
ジャッジサーバーID
(参考情報)
judge11 / judge15
このコードへのチャレンジ
(要ログイン)

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 WA -
testcase_01 WA -
testcase_02 AC 114 ms
55,500 KB
testcase_03 WA -
testcase_04 AC 116 ms
55,632 KB
testcase_05 AC 119 ms
55,376 KB
testcase_06 WA -
testcase_07 AC 113 ms
55,624 KB
testcase_08 WA -
testcase_09 WA -
testcase_10 WA -
testcase_11 WA -
testcase_12 WA -
testcase_13 WA -
testcase_14 WA -
testcase_15 WA -
testcase_16 WA -
testcase_17 WA -
testcase_18 AC 117 ms
55,904 KB
testcase_19 AC 119 ms
55,860 KB
testcase_20 AC 119 ms
53,948 KB
testcase_21 AC 117 ms
55,676 KB
testcase_22 AC 117 ms
55,748 KB
testcase_23 AC 117 ms
55,620 KB
testcase_24 AC 117 ms
55,656 KB
testcase_25 AC 117 ms
55,376 KB
testcase_26 AC 115 ms
55,636 KB
testcase_27 AC 115 ms
55,608 KB
testcase_28 WA -
testcase_29 WA -
testcase_30 WA -
testcase_31 WA -
testcase_32 WA -
testcase_33 WA -
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ソースコード

diff #

import java.util.Arrays;
import java.util.Scanner;

public class Main_origin {
	MyScanner sc = new MyScanner();
	Scanner sc2 = new Scanner(System.in);
	long start = System.currentTimeMillis();
	long fin = System.currentTimeMillis();
	final int MOD = 1000000007;
	// int[] dx = { 1, 0, 0, -1 };
	// int[] dy = { 0, 1, -1, 0 };
	int[] dx = { -2, -2, -1, -1, 1, 1, 2, 2, };
	int[] dy = { -1, 1, -2, 2, -2, 2, -1, 1 };

	int x, y;
	boolean ok;

	void run() {
		x = sc.nextInt();
		y = sc.nextInt();
		ok = false;
		dfs(0,x,y);
		System.out.println(ok ? "YES" : "NO");
	}

	void dfs(int d, int xx, int yy) {
		if (xx == x && yy == y) ok = true;
		if (d == 4) return;
		for (int i = 0; i < 8; i++) {
			dfs(d + 1, xx + dx[i], yy + dy[i]);
		}
	}

	public static void main(String[] args) {
		new Main_origin().run();
	}

	void debug(Object... o) {
		System.out.println(Arrays.deepToString(o));
	}

	void debug2(int[][] array) {
		for (int i = 0; i < array.length; i++) {
			for (int j = 0; j < array[i].length; j++) {
				System.out.print(array[i][j]);
			}
			System.out.println();
		}
	}

	boolean inner(int h, int w, int limH, int limW) {
		return 0 <= h && h < limH && 0 <= w && w < limW;
	}

	void swap(int[] x, int a, int b) {
		int tmp = x[a];
		x[a] = x[b];
		x[b] = tmp;
	}

	// find minimum i (a[i] >= border)
	int lower_bound(int a[], int border) {
		int l = -1;
		int r = a.length;
		while (r - l > 1) {
			int mid = (l + r) / 2;
			if (border <= a[mid]) {
				r = mid;
			} else {
				l = mid;
			}
		}
		// r = l + 1
		return r;
	}

	boolean palindrome(String s) {
		for (int i = 0; i < s.length() / 2; i++) {
			if (s.charAt(i) != s.charAt(s.length() - 1 - i)) {
				return false;
			}
		}
		return true;
	}

	class MyScanner {
		int nextInt() {
			try {
				int c = System.in.read();
				while (c != '-' && (c < '0' || '9' < c))
					c = System.in.read();
				if (c == '-')
					return -nextInt();
				int res = 0;
				do {
					res *= 10;
					res += c - '0';
					c = System.in.read();
				} while ('0' <= c && c <= '9');
				return res;
			} catch (Exception e) {
				return -1;
			}
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		String next() {
			try {
				StringBuilder res = new StringBuilder("");
				int c = System.in.read();
				while (Character.isWhitespace(c))
					c = System.in.read();
				do {
					res.append((char) c);
				} while (!Character.isWhitespace(c = System.in.read()));
				return res.toString();
			} catch (Exception e) {
				return null;
			}
		}

		int[] nextIntArray(int n) {
			int[] in = new int[n];
			for (int i = 0; i < n; i++) {
				in[i] = nextInt();
			}
			return in;
		}

		int[][] nextInt2dArray(int n, int m) {
			int[][] in = new int[n][m];
			for (int i = 0; i < n; i++) {
				in[i] = nextIntArray(m);
			}
			return in;
		}

		double[] nextDoubleArray(int n) {
			double[] in = new double[n];
			for (int i = 0; i < n; i++) {
				in[i] = nextDouble();
			}
			return in;
		}

		long[] nextLongArray(int n) {
			long[] in = new long[n];
			for (int i = 0; i < n; i++) {
				in[i] = nextLong();
			}
			return in;
		}

		char[][] nextCharField(int n, int m) {
			char[][] in = new char[n][m];
			for (int i = 0; i < n; i++) {
				String s = sc.next();
				for (int j = 0; j < m; j++) {
					in[i][j] = s.charAt(j);
				}
			}
			return in;
		}
	}
}
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