結果

問題 No.1246 ANDORゲーム(max)
ユーザー uwiuwi
提出日時 2020-10-02 23:09:15
言語 Java21
(openjdk 21)
結果
AC  
実行時間 931 ms / 2,000 ms
コード長 3,754 bytes
コンパイル時間 4,047 ms
コンパイル使用メモリ 87,524 KB
実行使用メモリ 59,248 KB
最終ジャッジ日時 2023-09-24 23:04:39
合計ジャッジ時間 19,590 ms
ジャッジサーバーID
(参考情報)
judge14 / judge12
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 52 ms
48,320 KB
testcase_01 AC 53 ms
50,096 KB
testcase_02 AC 52 ms
50,028 KB
testcase_03 AC 53 ms
49,856 KB
testcase_04 AC 52 ms
49,880 KB
testcase_05 AC 54 ms
50,048 KB
testcase_06 AC 54 ms
50,352 KB
testcase_07 AC 55 ms
49,880 KB
testcase_08 AC 55 ms
50,096 KB
testcase_09 AC 53 ms
50,028 KB
testcase_10 AC 54 ms
49,928 KB
testcase_11 AC 173 ms
56,128 KB
testcase_12 AC 108 ms
55,420 KB
testcase_13 AC 127 ms
55,516 KB
testcase_14 AC 206 ms
56,504 KB
testcase_15 AC 204 ms
55,840 KB
testcase_16 AC 868 ms
58,684 KB
testcase_17 AC 882 ms
58,748 KB
testcase_18 AC 872 ms
58,624 KB
testcase_19 AC 882 ms
58,752 KB
testcase_20 AC 931 ms
58,812 KB
testcase_21 AC 875 ms
58,544 KB
testcase_22 AC 877 ms
58,724 KB
testcase_23 AC 195 ms
55,992 KB
testcase_24 AC 816 ms
58,184 KB
testcase_25 AC 812 ms
58,544 KB
testcase_26 AC 807 ms
58,432 KB
testcase_27 AC 222 ms
57,656 KB
testcase_28 AC 761 ms
56,636 KB
testcase_29 AC 782 ms
58,476 KB
testcase_30 AC 775 ms
59,248 KB
testcase_31 AC 228 ms
57,092 KB
testcase_32 AC 206 ms
57,276 KB
testcase_33 AC 230 ms
57,412 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 #

package contest201002;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.HashMap;
import java.util.InputMismatchException;
import java.util.Map;

public class E {
	InputStream is;
	PrintWriter out;
	String INPUT = "";

	void solve()
	{
		int n = ni(), T = ni();
		int[] a = na(n);

		Map<Integer, Long> dp = new HashMap<>();
		dp.put(T, 0L);

		for(int v : a){
			Map<Integer, Long> ndp = new HashMap<>();
			for(int k : dp.keySet()){
				ndp.merge(k&v, dp.get(k) + k-(k&v), Math::max);
				ndp.merge(k|v, dp.get(k) + (k|v)-k, Math::max);
			}
			dp = ndp;
		}
		long ans = 0;
		for(long v : dp.values()){
			ans = Math.max(ans, v);
		}
		out.println(ans);
	}
	
	void run() throws Exception
	{
//		int n = 100000, m = 99999;
//		Random gen = new Random();
//		StringBuilder sb = new StringBuilder();
//		sb.append(n + " ");
//		sb.append(m + " ");
//		for (int i = 0; i < n; i++) {
//			sb.append(gen.nextInt(1000000000) + " ");
//		}
//		INPUT = sb.toString();


		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 E().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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