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  1. import java.util.*;
  2. import java.io.*;
  3. import java.text.*;
  4. class Code{
  5.     static final long MOD = (long)1e9+7, mod = 1;
  6.     static int MAX = (int)1e6+1;
  7.     static int INF = (int)1e9;
  8.     static final double eps = (double)1e-9;
  9.     static DecimalFormat df = new DecimalFormat("0.00000000");
  10.     static FastReader in;
  11.     static final int L = 31;
  12.     static int N;
  13.     static int[] v, T;
  14.     static StringBuilder out = new StringBuilder("");
  15.     public static void main(String[] args){
  16.         in = new FastReader();
  17.         int N = ni();
  18.         v = new int[N]; T = new int[N];
  19.         for(int i = 0; i< N; i++)v[i] = ni();
  20.         Node root = new Node();
  21.         for(int i = 0; i< N; i++){
  22.             T[i] = ni();
  23.             add(root, i, T[i], L-1);
  24.         }
  25.         int[] ans = new int[N];
  26.         for(int i = 0; i< N; i++){
  27.             int val = v[i];
  28.             Node t = root;
  29.             for(int l = L-1; l>=0; l--){
  30.                 if(t.child[(val>>l)&1] != null && t.child[(val>>l)&1].set.size()>0){
  31.                     t = t.child[(val>>l)&1];
  32.                 }else if(t.child[((val>>l)&1)^1] != null && t.child[((val>>l)&1)^1].set.size()>0){
  33.                     t = t.child[1^((val>>l)&1)];
  34.                 }
  35.             }
  36.             ans[i] = v[i]^T[t.set.first()];
  37.             remove(root, t.set.first(), L-1);
  38.         }
  39.         for(int i:ans)out.append(i+" ");
  40.         pn(out.toString());
  41.     }
  42.  
  43.  
  44.     static long mod(long a){
  45.         return (a%mod+mod)%mod;
  46.     }
  47.  
  48.     static void add(Node root, int i, int x, int d){
  49.         root.set.add(i);
  50.         if(root.child[(x>>d)&1]==null)root.child[(x>>d)&1] = new Node();
  51.         if(d>0)add(root.child[(x>>d)&1],i, x,d-1);
  52.     }
  53.  
  54.     static void remove(Node root, int i, int d){
  55.         root.set.remove(i);
  56.         if(d>0)remove(root.child[(T[i]>>d)&1],i,d-1);
  57.     }
  58.  
  59.  
  60.     static class Node{
  61.         TreeSet<Integer> set;
  62.         Node[] child;
  63.         public Node(){
  64.             set = new TreeSet<Integer>();
  65.             child = new Node[2];
  66.         }
  67.     }
  68.  
  69.     static long gcd(long a,long b){
  70.         return (b==0)?a:gcd(b,a%b);
  71.     }
  72.  
  73.     static void pn(Object o){
  74.         System.out.println(o);
  75.     }
  76.  
  77.     static void p(Object o){
  78.         System.out.print(o);
  79.     }
  80.  
  81.     static String n(){
  82.         return in.next();
  83.     }
  84.  
  85.     static String nln(){
  86.         return in.nextLine();
  87.     }
  88.  
  89.     static int ni(){
  90.         return Integer.parseInt(in.next());
  91.     }
  92.  
  93.     static long nl(){
  94.         return Long.parseLong(in.next());
  95.     }
  96.  
  97.     static double nd(){
  98.         return Double.parseDouble(in.next());
  99.     }
  100.  
  101.     static class FastReader{
  102.         BufferedReader br;
  103.         StringTokenizer st;
  104.         public FastReader(){
  105.             br = new BufferedReader(new InputStreamReader(System.in));
  106.         }
  107.  
  108.         public FastReader(String s) throws Exception{
  109.             br = new BufferedReader(new FileReader(s));
  110.         }
  111.  
  112.  
  113.         String next(){
  114.             while (st == null || !st.hasMoreElements()){
  115.                 try{
  116.                     st = new StringTokenizer(br.readLine());
  117.                 }catch (IOException  e){
  118.                     e.printStackTrace();
  119.                 }
  120.             }
  121.             return st.nextToken();
  122.         }
  123.  
  124.         String nextLine(){
  125.             String str = "";
  126.             try{
  127.                 str = br.readLine();
  128.             }catch (IOException e){
  129.                 e.printStackTrace();
  130.             }
  131.             return str;
  132.         }
  133.     }
  134.  
  135. }
Success #stdin #stdout 0.12s 29108KB
comments (?)
stdin 
5
12 7 87 22 11
18 39 9 12 16
stdout 
0 14 69 6 44
https://ideone.com/i92l0V
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
secret

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