結果
| 問題 | 
                            No.74 貯金箱の退屈
                             | 
                    
| コンテスト | |
| ユーザー | 
                             fujisu
                         | 
                    
| 提出日時 | 2015-05-13 21:51:16 | 
| 言語 | Java  (openjdk 23)  | 
                    
| 結果 | 
                             
                                RE
                                 
                             
                            
                         | 
                    
| 実行時間 | - | 
| コード長 | 3,091 bytes | 
| コンパイル時間 | 1,826 ms | 
| コンパイル使用メモリ | 78,268 KB | 
| 実行使用メモリ | 37,244 KB | 
| 最終ジャッジ日時 | 2024-07-06 03:31:34 | 
| 合計ジャッジ時間 | 4,290 ms | 
| 
                            ジャッジサーバーID (参考情報)  | 
                        judge5 / judge3 | 
(要ログイン)
| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 3 | 
| other | RE * 30 | 
ソースコード
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] + n) % n;
			int y = (i + d[i]) % n;
			if (x == y) {
				flg[x] = 1;
			}
		}
		for (int i = 0; i < n; i++) {
			int x = (i - d[i] + n) % n;
			int y = (i + d[i]) % 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();
		}
	}
}
            
            
            
        
            
fujisu