結果

問題 No.1142 XOR と XOR
ユーザー uwiuwi
提出日時 2020-07-31 21:34:36
言語 Java21
(openjdk 21)
結果
WA  
実行時間 -
コード長 3,650 bytes
コンパイル時間 3,862 ms
コンパイル使用メモリ 92,088 KB
実行使用メモリ 40,752 KB
最終ジャッジ日時 2024-07-06 16:49:43
合計ジャッジ時間 7,601 ms
ジャッジサーバーID
(参考情報)
judge5 / judge3
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 65 ms
38,076 KB
testcase_01 AC 75 ms
37,932 KB
testcase_02 AC 76 ms
38,252 KB
testcase_03 WA -
testcase_04 AC 111 ms
40,092 KB
testcase_05 AC 108 ms
39,792 KB
testcase_06 AC 113 ms
40,596 KB
testcase_07 WA -
testcase_08 AC 116 ms
40,664 KB
testcase_09 AC 117 ms
40,752 KB
testcase_10 AC 121 ms
40,740 KB
testcase_11 AC 80 ms
38,072 KB
testcase_12 AC 79 ms
38,044 KB
testcase_13 AC 75 ms
38,108 KB
testcase_14 AC 103 ms
39,648 KB
testcase_15 AC 104 ms
39,480 KB
testcase_16 AC 77 ms
38,280 KB
testcase_17 WA -
testcase_18 WA -
testcase_19 AC 113 ms
40,644 KB
testcase_20 AC 106 ms
39,472 KB
testcase_21 AC 100 ms
38,836 KB
testcase_22 AC 82 ms
38,692 KB
testcase_23 AC 112 ms
39,900 KB
testcase_24 AC 112 ms
40,544 KB
testcase_25 WA -
testcase_26 WA -
testcase_27 WA -
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 #

package contest200731;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;

public class D {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
	int mod = 1000000007;
	
	void solve()
	{
		int n = ni(), m = ni(), K = ni();
		int[] a = na(n);
		int[] b = na(m);
		long[] fa = calc(a);
		long[] fb = calc(b);
		long ans = 0;
		for(int i = 0;i < fa.length;i++) {
			ans += fa[i] * fb[K^i];
			ans %= mod;
		}
		out.println(ans);
	}
	
	long[] calc(int[] a)
	{
		int[] f = new int[1024];
		int w = 0;
		f[0]++;
		for(int v : a) {
			w ^= v;
			f[w]++;
		}
		long[] ret = new long[1024];
		for(int i = 0;i < 1024;i++) {
			for(int j = 0;j < 1024;j++) {
				if(i != j)ret[i^j] += f[i] * f[j];
			}
			ret[0] += f[i] * (f[i] - 1);
		}
		for(int i = 0;i < 1024;i++)ret[i] = ret[i] / 2 % mod;
		return ret;
	}
	
	void run() throws Exception
	{
		is = INPUT.isEmpty() ? System.in : new ByteArrayInputStream(INPUT.getBytes());
		out = new PrintWriter(System.out);
		
		long s = System.currentTimeMillis();
		solve();
		out.flush();
		if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//		Thread t = new Thread(null, null, "~", Runtime.getRuntime().maxMemory()){
//			@Override
//			public void run() {
//				long s = System.currentTimeMillis();
//				solve();
//				out.flush();
//				if(!INPUT.isEmpty())tr(System.currentTimeMillis()-s+"ms");
//			}
//		};
//		t.start();
//		t.join();
	}
	
	public static void main(String[] args) throws Exception { new D().run(); }
	
	private byte[] inbuf = new byte[1024];
	public int lenbuf = 0, ptrbuf = 0;
	
	private int readByte()
	{
		if(lenbuf == -1)throw new InputMismatchException();
		if(ptrbuf >= lenbuf){
			ptrbuf = 0;
			try { lenbuf = is.read(inbuf); } catch (IOException e) { throw new InputMismatchException(); }
			if(lenbuf <= 0)return -1;
		}
		return inbuf[ptrbuf++];
	}
	
	private boolean isSpaceChar(int c) { return !(c >= 33 && c <= 126); }
	private int skip() { int b; while((b = readByte()) != -1 && isSpaceChar(b)); return b; }
	
	private double nd() { return Double.parseDouble(ns()); }
	private char nc() { return (char)skip(); }
	
	private String ns()
	{
		int b = skip();
		StringBuilder sb = new StringBuilder();
		while(!(isSpaceChar(b))){ // when nextLine, (isSpaceChar(b) && b != ' ')
			sb.appendCodePoint(b);
			b = readByte();
		}
		return sb.toString();
	}
	
	private char[] ns(int n)
	{
		char[] buf = new char[n];
		int b = skip(), p = 0;
		while(p < n && !(isSpaceChar(b))){
			buf[p++] = (char)b;
			b = readByte();
		}
		return n == p ? buf : Arrays.copyOf(buf, p);
	}
	
	private int[] na(int n)
	{
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = ni();
		return a;
	}
	
	private long[] nal(int n)
	{
		long[] a = new long[n];
		for(int i = 0;i < n;i++)a[i] = nl();
		return a;
	}
	
	private char[][] nm(int n, int m) {
		char[][] map = new char[n][];
		for(int i = 0;i < n;i++)map[i] = ns(m);
		return map;
	}
	
	private int[][] nmi(int n, int m) {
		int[][] map = new int[n][];
		for(int i = 0;i < n;i++)map[i] = na(m);
		return map;
	}
	
	private int ni() { return (int)nl(); }
	
	private long nl()
	{
		long num = 0;
		int b;
		boolean minus = false;
		while((b = readByte()) != -1 && !((b >= '0' && b <= '9') || b == '-'));
		if(b == '-'){
			minus = true;
			b = readByte();
		}
		
		while(true){
			if(b >= '0' && b <= '9'){
				num = num * 10 + (b - '0');
			}else{
				return minus ? -num : num;
			}
			b = readByte();
		}
	}
	
	private static void tr(Object... o) { System.out.println(Arrays.deepToString(o)); }
}
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