1. #include <bits/stdc++.h>
  2. using namespace std;
  3. /*
  4. ------------------------Input Checker----------------------------------
  5. */
  6. long long readInt(long long l,long long r,char endd){
  7. long long x=0;
  8. int cnt=0;
  9. int fi=-1;
  10. bool is_neg=false;
  11. while(true){
  12. char g=getchar();
  13. if(g=='-'){
  14. assert(fi==-1);
  15. is_neg=true;
  16. continue;
  17. }
  18. if('0'<=g && g<='9'){
  19. x*=10;
  20. x+=g-'0';
  21. if(cnt==0){
  22. fi=g-'0';
  23. }
  24. cnt++;
  25. assert(fi!=0 || cnt==1);
  26. assert(fi!=0 || is_neg==false);
  27. assert(!(cnt>19 || ( cnt==19 && fi>1) ));
  28. } else if(g==endd){
  29. if(is_neg){
  30. x= -x;
  31. }
  32. if(!(l <= x && x <= r))
  33. {
  34. cerr << l << ' ' << r << ' ' << x << '\n';
  35. assert(1 == 0);
  36. }
  37. return x;
  38. } else {
  39. assert(false);
  40. }
  41. }
  42. }
  43. string readString(int l,int r,char endd){
  44. string ret="";
  45. int cnt=0;
  46. while(true){
  47. char g=getchar();
  48. assert(g!=-1);
  49. if(g==endd){
  50. break;
  51. }
  52. cnt++;
  53. ret+=g;
  54. }
  55. assert(l<=cnt && cnt<=r);
  56. return ret;
  57. }
  58. long long readIntSp(long long l,long long r){
  59. return readInt(l,r,' ');
  60. }
  61. long long readIntLn(long long l,long long r){
  62. return readInt(l,r,'\n');
  63. }
  64. string readStringLn(int l,int r){
  65. return readString(l,r,'\n');
  66. }
  67. string readStringSp(int l,int r){
  68. return readString(l,r,' ');
  69. }
  70. /*
  71. ------------------------Main code starts here----------------------------------
  72. */
  73. const int MAX_T = 1e5;
  74. const int MAX_N = 1e5;
  75. const int MAX_SUM_LEN = 1e5;
  76. #define fast ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
  77. #define ff first
  78. #define ss second
  79. #define mp make_pair
  80. #define ll long long
  81. #define rep(i,n) for(int i=0;i<n;i++)
  82. #define rev(i,n) for(int i=n;i>=0;i--)
  83. #define rep_a(i,a,n) for(int i=a;i<n;i++)
  84. #define pb push_back
  85. int sum_n = 0, sum_m = 0, sum = 0;
  86. int max_n = 0, max_m = 0;
  87. int yess = 0;
  88. int nos = 0;
  89. int total_ops = 0;
  90. ll mod = 1000000007;
  91.  
  92. using ii = pair<ll,ll>;
  93.  
  94. int get_msb(int x){
  95. int ret = -1;
  96. while(x){
  97. x>>=1;
  98. ret++;
  99. }
  100.  
  101. return ret;
  102. }
  103.  
  104. void solve()
  105. {
  106. int n = readIntLn(1,1e5);
  107. sum_n+=n;
  108.  
  109. int a[n], b[n];
  110.  
  111. rep(i,n){
  112. if(i==n-1) a[i] = readIntLn(0,(1<<20)-1);
  113. else a[i] = readIntSp(0,(1<<20)-1);
  114. }
  115. rep(i,n){
  116. if(i==n-1) b[i] = readIntLn(0,(1<<20)-1);
  117. else b[i] = readIntSp(0,(1<<20)-1);
  118. }
  119.  
  120. vector<vector<int> > cnt(20, vector<int>(20,0));
  121.  
  122. vector<ll> cc(20,0), tt(20,0);
  123.  
  124. rep(i,n){
  125. int z = get_msb(a[i]);
  126. if(z==-1) continue;
  127. cc[z]++;
  128. rep(j,20){
  129. if((a[i]>>j)&1){
  130. cnt[z][j]++;
  131. tt[j]++;
  132. }
  133. }
  134. }
  135.  
  136. ll ans = 0;
  137. ll cnt_zero=0;
  138. rep(i,n){
  139. int z = get_msb(b[i]);
  140.  
  141. if(z==-1){
  142. cnt_zero++;
  143. }
  144. else{
  145. rep(j,20){
  146. if((b[i]>>j)&1){
  147. ans += (n-tt[j]-(cc[z]-cnt[z][j]))*(1ll<<j); //XOR
  148. ans += cnt[z][j]*(1ll<<j); //AND
  149. }
  150. else{
  151. ans += (tt[j]-cnt[z][j])*(1ll<<j); //XOR
  152. }
  153. }
  154. }
  155. }
  156.  
  157. rep(i,20) ans+=(cnt_zero*tt[i])*(1ll<<i);
  158.  
  159. cout<<ans<<'\n';
  160.  
  161. }
  162. signed main()
  163. {
  164.  
  165. #ifndef ONLINE_JUDGE
  166. freopen("input.txt", "r" , stdin);
  167. freopen("output.txt", "w" , stdout);
  168. #endif
  169. fast;
  170. int t = 1;
  171. t = readIntLn(1,1e5);
  172. for(int i=1;i<=t;i++)
  173. {
  174. solve();
  175. }
  176. assert(getchar() == -1);
  177. assert(sum_m<=2e5);
  178. cerr<<"SUCCESS\n";
  179. cerr<<"Tests : " << t << '\n';
  180. cerr<<"Sum of lengths : " << sum_m <<'\n';
  181. // cerr<<"Maximum length : " << max_n <<'\n';
  182. // // cerr<<"Total operations : " << total_ops << '\n';
  183. // cerr<<"Answered yes : " << yess << '\n';
  184. // cerr<<"Answered no : " << nos << '\n';
  185.  
  186. cerr << "Time : " << 1000 * ((double)clock()) / (double)CLOCKS_PER_SEC << "ms\n";
  187. }