結果

問題 No.670 log は定数
ユーザー uwiuwi
提出日時 2018-03-23 22:43:26
言語 Java21
(openjdk 21)
結果
AC  
実行時間 1,097 ms / 4,000 ms
コード長 4,083 bytes
コンパイル時間 4,261 ms
コンパイル使用メモリ 83,388 KB
実行使用メモリ 46,172 KB
最終ジャッジ日時 2024-06-24 21:57:25
合計ジャッジ時間 16,740 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge1
このコードへのチャレンジ
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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 1,097 ms
46,000 KB
testcase_01 AC 1,072 ms
45,832 KB
testcase_02 AC 1,074 ms
45,764 KB
testcase_03 AC 1,085 ms
46,172 KB
testcase_04 AC 1,024 ms
46,036 KB
testcase_05 AC 1,019 ms
45,124 KB
testcase_06 AC 1,070 ms
45,788 KB
testcase_07 AC 1,052 ms
46,072 KB
testcase_08 AC 1,034 ms
45,860 KB
testcase_09 AC 1,097 ms
45,960 KB
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ソースコード

diff # 

package contest180323;
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 E {
	InputStream is;
	PrintWriter out;
	String INPUT = "";
	
     long seed;
     int next() {
        seed = seed ^ (seed << 13);
        seed = seed ^ (seed >>> 7);
        seed = seed ^ (seed << 17);
        return (int)(seed >>> 33);
    }
	
	void solve()
	{
		int n = ni(), Q = ni();
		seed = ni();
		for(int i = 0;i < 10000;i++)next();
		
		int[] a = new int[n];
		for(int i = 0;i < n;i++)a[i] = next();
		
		Arrays.sort(a);
		int B = 12;
		int[] u = new int[(1<<32-B)+1];
		for(int i = 0;i < n;i++){
			u[(a[i]>>>B)+1]++;
		}
		for(int i = 1;i <= 1<<32-B;i++){
			u[i] += u[i-1];
		}
		
		long sm = 0;
		for(int i = 0;i < Q;i++){
			int x = next();
			int ind = lowerBound(a, u[x>>>B], u[(x>>>B)+1], x);
			
			sm ^= (long)ind * i;
		}
		out.println(sm);
	}
	
	
	public static int lowerBound(int[] a, int v){ return lowerBound(a, 0, a.length, v); }
	public static int lowerBound(int[] a, int l, int r, int v)
	{
		if(l > r || l < 0 || r > a.length)throw new IllegalArgumentException();
		int low = l-1, high = r;
		while(high-low > 1){
			int h = high+low>>>1;
			if(a[h] >= v){
				high = h;
			}else{
				low = h;
			}
		}
		return high;
	}

	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 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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