結果

問題 No.5001 排他的論理和でランニング
ユーザー 37zigen37zigen
提出日時 2018-03-25 17:56:02
言語 Java21
(openjdk 21)
結果
AC  
実行時間 1,050 ms / 1,500 ms
コード長 2,978 bytes
コンパイル時間 2,299 ms
実行使用メモリ 51,032 KB
スコア 52,428,741
最終ジャッジ日時 2020-03-12 20:55:59
ジャッジサーバーID
（参考情報） 		judge6 /
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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 1,046 ms
50,120 KB
testcase_01 AC 929 ms
44,852 KB
testcase_02 AC 971 ms
45,072 KB
testcase_03 AC 995 ms
46,948 KB
testcase_04 AC 1,050 ms
50,304 KB
testcase_05 AC 972 ms
47,312 KB
testcase_06 AC 946 ms
46,956 KB
testcase_07 AC 968 ms
47,100 KB
testcase_08 AC 936 ms
50,132 KB
testcase_09 AC 909 ms
46,912 KB
testcase_10 AC 920 ms
49,292 KB
testcase_11 AC 941 ms
47,000 KB
testcase_12 AC 933 ms
49,232 KB
testcase_13 AC 968 ms
50,552 KB
testcase_14 AC 981 ms
46,944 KB
testcase_15 AC 981 ms
48,996 KB
testcase_16 AC 982 ms
45,296 KB
testcase_17 AC 934 ms
46,888 KB
testcase_18 AC 969 ms
46,856 KB
testcase_19 AC 967 ms
47,120 KB
testcase_20 AC 995 ms
47,236 KB
testcase_21 AC 949 ms
46,844 KB
testcase_22 AC 926 ms
45,048 KB
testcase_23 AC 934 ms
44,856 KB
testcase_24 AC 920 ms
45,024 KB
testcase_25 AC 955 ms
49,068 KB
testcase_26 AC 962 ms
49,060 KB
testcase_27 AC 923 ms
45,016 KB
testcase_28 AC 1,028 ms
51,032 KB
testcase_29 AC 1,000 ms
46,940 KB
testcase_30 AC 965 ms
45,308 KB
testcase_31 AC 1,024 ms
47,252 KB
testcase_32 AC 993 ms
46,980 KB
testcase_33 AC 998 ms
50,128 KB
testcase_34 AC 1,012 ms
50,184 KB
testcase_35 AC 1,022 ms
46,896 KB
testcase_36 AC 1,034 ms
50,220 KB
testcase_37 AC 983 ms
47,248 KB
testcase_38 AC 979 ms
49,000 KB
testcase_39 AC 937 ms
49,368 KB
testcase_40 AC 986 ms
47,016 KB
testcase_41 AC 956 ms
44,820 KB
testcase_42 AC 976 ms
47,148 KB
testcase_43 AC 1,002 ms
47,064 KB
testcase_44 AC 1,013 ms
47,312 KB
testcase_45 AC 1,029 ms
49,324 KB
testcase_46 AC 950 ms
46,936 KB
testcase_47 AC 990 ms
50,852 KB
testcase_48 AC 978 ms
47,056 KB
testcase_49 AC 963 ms
50,072 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.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.NoSuchElementException;

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

	void run() {
		Scanner sc = new Scanner();
		int n = sc.nextInt();
		int m = sc.nextInt();
		int[] a = new int[n];
		for (int i = 0; i < n; ++i) {
			a[i] = sc.nextInt();
		}
		int[] member = new int[m];
		int answer = 0;
		boolean[] isMember = new boolean[n];
		for (int i = 0; i < m; ++i) {
			answer ^= a[i];
			member[i] = i;
			isMember[i] = true;

		}
		for (int i = 0; i < 1e7; ++i) {
			int rnd1 = (int) (Math.random() * m);
			int rnd2 = (int) (Math.random() * n);
			if (isMember[rnd2])
				continue;
			int tmp = answer ^ a[rnd2] ^ a[member[rnd1]];
			if (tmp > answer) {
				isMember[member[rnd1]] = false;
				isMember[rnd2] = true;
				member[rnd1] = rnd2;
				answer = tmp;
			}
		}
		PrintWriter pw = new PrintWriter(System.out);
		for (int i = 0; i < m; ++i) {
			pw.print(a[member[i]] + (i == m - 1 ? "\n" : " "));
		}
		pw.close();
	}

	class Scanner {
		private final InputStream in = System.in;
		private final byte[] buffer = new byte[1024];
		private int ptr = 0;
		private int buflen = 0;

		private boolean hasNextByte() {
			if (ptr < buflen) {
				return true;
			} else {
				ptr = 0;
				try {
					buflen = in.read(buffer);
				} catch (IOException e) {
					e.printStackTrace();
				}
				if (buflen <= 0) {
					return false;
				}
			}
			return true;
		}

		private int readByte() {
			if (hasNextByte())
				return buffer[ptr++];
			else
				return -1;
		}

		private boolean isPrintableChar(int c) {
			return 33 <= c && c <= 126;
		}

		public boolean hasNext() {
			while (hasNextByte() && !isPrintableChar(buffer[ptr]))
				ptr++;
			return hasNextByte();
		}

		public String next() {
			if (!hasNext())
				throw new NoSuchElementException();
			StringBuilder sb = new StringBuilder();
			int b = readByte();
			while (isPrintableChar(b)) {
				sb.appendCodePoint(b);
				b = readByte();
			}
			return sb.toString();
		}

		public long nextLong() {
			if (!hasNext())
				throw new NoSuchElementException();
			long n = 0;
			boolean minus = false;
			int b = readByte();
			if (b == '-') {
				minus = true;
				b = readByte();
			}
			if (b < '0' || '9' < b) {
				throw new NumberFormatException();
			}
			while (true) {
				if ('0' <= b && b <= '9') {
					n *= 10;
					n += b - '0';
				} else if (b == -1 || !isPrintableChar(b)) {
					return minus ? -n : n;
				} else {
					throw new NumberFormatException();
				}
				b = readByte();
			}
		}

		public int nextInt() {
			long nl = nextLong();
			if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
				throw new NumberFormatException();
			return (int) nl;
		}

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

	static void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}
}
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