結果

問題 No.74 貯金箱の退屈
ユーザー fujisufujisu
提出日時 2015-05-13 21:56:59
言語 Java21
(openjdk 21)
結果
AC  
実行時間 51 ms / 5,000 ms
コード長 3,233 bytes
コンパイル時間 1,909 ms
コンパイル使用メモリ 78,196 KB
実行使用メモリ 36,972 KB
最終ジャッジ日時 2024-07-06 03:31:39
合計ジャッジ時間 4,347 ms
ジャッジサーバーID
(参考情報)
judge3 / judge4
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 AC 47 ms
36,576 KB
testcase_01 AC 47 ms
36,576 KB
testcase_02 AC 48 ms
36,776 KB
testcase_03 AC 49 ms
36,704 KB
testcase_04 AC 48 ms
36,824 KB
testcase_05 AC 48 ms
36,600 KB
testcase_06 AC 47 ms
36,656 KB
testcase_07 AC 47 ms
36,728 KB
testcase_08 AC 48 ms
36,804 KB
testcase_09 AC 48 ms
36,776 KB
testcase_10 AC 47 ms
36,632 KB
testcase_11 AC 48 ms
36,716 KB
testcase_12 AC 47 ms
36,864 KB
testcase_13 AC 46 ms
36,372 KB
testcase_14 AC 49 ms
36,728 KB
testcase_15 AC 50 ms
36,824 KB
testcase_16 AC 51 ms
36,512 KB
testcase_17 AC 47 ms
36,728 KB
testcase_18 AC 47 ms
36,972 KB
testcase_19 AC 47 ms
36,776 KB
testcase_20 AC 48 ms
36,792 KB
testcase_21 AC 48 ms
36,724 KB
testcase_22 AC 48 ms
36,500 KB
testcase_23 AC 47 ms
36,904 KB
testcase_24 AC 49 ms
36,368 KB
testcase_25 AC 49 ms
36,372 KB
testcase_26 AC 49 ms
36,628 KB
testcase_27 AC 50 ms
36,972 KB
testcase_28 AC 51 ms
36,500 KB
testcase_29 AC 48 ms
36,684 KB
testcase_30 AC 48 ms
36,500 KB
testcase_31 AC 50 ms
36,728 KB
testcase_32 AC 49 ms
36,776 KB
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.io.IOException;
import java.util.InputMismatchException;

public class Main {
	int n;
	int[] par, cnt, flg;

	void union(int x, int y) {
		int rx = find(x);
		int ry = find(y);
		par[rx] = ry;
		cnt[ry] += cnt[rx];
		flg[ry] += flg[rx];
	}

	int find(int x) {
		if (par[x] == x)
			return x;
		return par[x] = find(par[x]);
	}

	boolean same(int x, int y) {
		return find(x) == find(y);
	}

	void run() {
		MyScanner sc = new MyScanner();

		int n = sc.nextInt();
		int[] d = sc.nextIntArray(n);
		int[] w = sc.nextIntArray(n);

		par = new int[n];
		cnt = new int[n];
		flg = new int[n];
		for (int i = 0; i < n; i++) {
			if (w[i] == 0) {
				cnt[i] = 1;
			}
			par[i] = i;
		}

		for (int i = 0; i < n; i++) {
			int x = i - d[i];
			int y = i + d[i];
			while (x < 0 || y < 0) {
				x += n * n;
				y += n * n;
			}
			x %= n;
			y %= n;
			if (x == y) {
				flg[x] = 1;
			}
		}

		for (int i = 0; i < n; i++) {
			int x = i - d[i];
			int y = i + d[i];
			while (x < 0 || y < 0) {
				x += n * n;
				y += n * n;
			}
			x %= n;
			y %= n;

			if (!same(x, y)) {
				union(x, y);
			}
		}

		for (int i = 0; i < n; i++) {
			if (flg[find(i)] == 0 && cnt[find(i)] % 2 != 0) {
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
	}

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

	public void mapDebug(int[][] a) {
		System.out.println("--------map display---------");
		for (int i = 0; i < a.length; i++) {
			for (int j = 0; j < a[i].length; j++) {
				System.out.printf("%3d ", a[i][j]);
			}
			System.out.println();
		}
		System.out.println("----------------------------" + '\n');
	}

	class MyScanner {
		int read() {
			try {
				return System.in.read();
			} catch (IOException e) {
				throw new InputMismatchException();
			}
		}

		boolean isSpaceChar(int c) {
			return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
		}

		boolean isEndline(int c) {
			return c == '\n' || c == '\r' || c == -1;
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

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

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

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

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

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

		String next() {
			int c = read();
			while (isSpaceChar(c))
				c = read();
			StringBuilder res = new StringBuilder();
			do {
				res.appendCodePoint(c);
				c = read();
			} while (!isSpaceChar(c));
			return res.toString();
		}

		String[] nextStringArray(int n) {
			String[] array = new String[n];
			for (int i = 0; i < n; i++)
				array[i] = next();

			return array;
		}

		String nextLine() {
			int c = read();
			while (isEndline(c))
				c = read();
			StringBuilder res = new StringBuilder();
			do {
				res.appendCodePoint(c);
				c = read();
			} while (!isEndline(c));
			return res.toString();
		}
	}
}
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