結果

問題 No.911 ラッキーソート
ユーザー uwiuwi
提出日時 2019-10-18 21:45:23
言語 Java21
(openjdk 21)
結果
AC  
実行時間 150 ms / 2,000 ms
コード長 3,862 bytes
コンパイル時間 4,931 ms
コンパイル使用メモリ 88,028 KB
実行使用メモリ 40,664 KB
最終ジャッジ日時 2024-06-25 15:22:29
合計ジャッジ時間 10,299 ms
ジャッジサーバーID
(参考情報)
judge2 / 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 50 ms
36,880 KB
testcase_01 AC 50 ms
37,116 KB
testcase_02 AC 50 ms
36,608 KB
testcase_03 AC 48 ms
37,056 KB
testcase_04 AC 50 ms
36,664 KB
testcase_05 AC 49 ms
37,012 KB
testcase_06 AC 49 ms
36,816 KB
testcase_07 AC 59 ms
37,004 KB
testcase_08 AC 49 ms
36,980 KB
testcase_09 AC 49 ms
37,116 KB
testcase_10 AC 48 ms
36,828 KB
testcase_11 AC 49 ms
37,084 KB
testcase_12 AC 49 ms
36,900 KB
testcase_13 AC 150 ms
40,396 KB
testcase_14 AC 127 ms
40,120 KB
testcase_15 AC 121 ms
40,592 KB
testcase_16 AC 125 ms
40,448 KB
testcase_17 AC 118 ms
40,228 KB
testcase_18 AC 118 ms
40,480 KB
testcase_19 AC 120 ms
40,264 KB
testcase_20 AC 118 ms
40,664 KB
testcase_21 AC 116 ms
40,268 KB
testcase_22 AC 117 ms
40,272 KB
testcase_23 AC 117 ms
40,240 KB
testcase_24 AC 112 ms
40,060 KB
testcase_25 AC 115 ms
39,584 KB
testcase_26 AC 95 ms
39,060 KB
testcase_27 AC 95 ms
38,540 KB
testcase_28 AC 80 ms
37,916 KB
testcase_29 AC 58 ms
37,348 KB
testcase_30 AC 49 ms
36,948 KB
testcase_31 AC 48 ms
37,112 KB
testcase_32 AC 48 ms
36,624 KB
testcase_33 AC 49 ms
37,036 KB
testcase_34 AC 49 ms
36,932 KB
testcase_35 AC 48 ms
36,972 KB
testcase_36 AC 47 ms
36,712 KB
testcase_37 AC 47 ms
36,992 KB
testcase_38 AC 114 ms
40,420 KB
testcase_39 AC 121 ms
40,248 KB
testcase_40 AC 57 ms
37,096 KB
testcase_41 AC 126 ms
40,232 KB
testcase_42 AC 112 ms
39,692 KB
testcase_43 AC 118 ms
40,488 KB
testcase_44 AC 121 ms
40,460 KB
testcase_45 AC 114 ms
40,504 KB
testcase_46 AC 114 ms
40,268 KB
testcase_47 AC 123 ms
40,436 KB
testcase_48 AC 120 ms
40,360 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 contest191018;
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 = "";
	
	void solve()
	{
		// 00101001
		// 00101010
		// 異なる箇所 dでひっくり返れば良いのでそこが0または1で固定
		int n = ni();
		long L = nl(), R = nl();
		long[] a = new long[n];
		for(int i = 0;i < n;i++) {
			a[i] = nl();
		}
		long mz = 0;
		long mo = 0;
		for(int i = 0;i < n-1;i++) {
			int h = Long.numberOfTrailingZeros(Long.highestOneBit(a[i]^a[i+1]));
			if(a[i] < a[i+1]) {
				mz |= 1L<<h;
			}else {
				mo |= 1L<<h;
			}
		}
		if((mo&mz) != 0) {
			out.println(0);
			return;
		}
		
		out.println(count(R, mz, mo) - count(L-1, mz, mo));
	}
	
	long count(long R, long mz, long mo)
	{
		R++;
		long ans = 0;
		for(int i = 61;i >= 0;i--) {
			if(R<<~i<0) {
				long val = R>>>i+1<<i+1;
				if((val&mz)>>>i != 0)continue;
				if((~val&mo)>>>i != 0)continue;
				ans += 1L<<i-Long.bitCount((mz|mo)&(1L<<i)-1);
			}
		}
		return ans;
	}
	
	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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