Submission #2609384

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Source Code Expand

import static java.lang.Integer.parseInt;
import static java.lang.Long.parseLong;
import static java.lang.System.exit;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.StringTokenizer;

public class Main {

	static void solve() throws Exception {
		int n = scanInt();
		int d1 = scanInt();
		int d2 = scanInt();
		int d1s = 0, d2s = 0;
		while ((d1 & 3) == 0) {
			++d1s;
			d1 >>= 2;
		}
		while ((d2 & 3) == 0) {
			++d2s;
			d2 >>= 2;
		}
		int need = n * n;
		for (int i = 0; i < 2 * n; i++) {
			for (int j = 0; j < 2 * n; j++) {
				if ((d1 & 3) == 1 && (((i >> d1s) ^ (j >> d1s)) & 1) != 0) {
					continue;
				}
				if ((d1 & 3) == 2 && ((i >> d1s) & 1) != 0) {
					continue;
				}
				if ((d2 & 3) == 1 && (((i >> d2s) ^ (j >> d2s)) & 1) != 0) {
					continue;
				}
				if ((d2 & 3) == 2 && ((i >> d2s) & 1) != 0) {
					continue;
				}
				out.println(i + " " + j);
				if (--need == 0) {
					return;
				}
			}
		}
		throw new AssertionError();
	}

	static int scanInt() throws IOException {
		return parseInt(scanString());
	}

	static long scanLong() throws IOException {
		return parseLong(scanString());
	}

	static String scanString() throws IOException {
		while (tok == null || !tok.hasMoreTokens()) {
			tok = new StringTokenizer(in.readLine());
		}
		return tok.nextToken();
	}

	static BufferedReader in;
	static PrintWriter out;
	static StringTokenizer tok;

	public static void main(String[] args) {
		try {
			in = new BufferedReader(new InputStreamReader(System.in));
			out = new PrintWriter(System.out);
			solve();
			in.close();
			out.close();
		} catch (Throwable e) {
			e.printStackTrace();
			exit(1);
		}
	}
}

Submission Info

Judge Result