- #include <bits/stdc++.h>
- using namespace std;
-
-
- /*
- ------------------------Input Checker----------------------------------
- */
-
- long long readInt(long long l,long long r,char endd){
- long long x=0;
- int cnt=0;
- int fi=-1;
- bool is_neg=false;
- while(true){
- char g=getchar();
- if(g=='-'){
- assert(fi==-1);
- is_neg=true;
- continue;
- }
- if('0'<=g && g<='9'){
- x*=10;
- x+=g-'0';
- if(cnt==0){
- fi=g-'0';
- }
- cnt++;
- assert(fi!=0 || cnt==1);
- assert(fi!=0 || is_neg==false);
-
- assert(!(cnt>19 || ( cnt==19 && fi>1) ));
- } else if(g==endd){
- if(is_neg){
- x= -x;
- }
-
- if(!(l <= x && x <= r))
- {
- cerr << l << ' ' << r << ' ' << x << '\n';
- assert(1 == 0);
- }
-
- return x;
- } else {
- assert(false);
- }
- }
- }
- string readString(int l,int r,char endd){
- string ret="";
- int cnt=0;
- while(true){
- char g=getchar();
- assert(g!=-1);
- if(g==endd){
- break;
- }
- cnt++;
- ret+=g;
- }
- assert(l<=cnt && cnt<=r);
- return ret;
- }
- long long readIntSp(long long l,long long r){
- return readInt(l,r,' ');
- }
- long long readIntLn(long long l,long long r){
- return readInt(l,r,'\n');
- }
- string readStringLn(int l,int r){
- return readString(l,r,'\n');
- }
- string readStringSp(int l,int r){
- return readString(l,r,' ');
- }
-
-
- /*
- ------------------------Main code starts here----------------------------------
- */
-
- const int MAX_T = 1e4;
- const int MAX_N = 1e5;
- const int MAX_SUM_LEN = 1e6;
- const int MAX_A = 1e9 ;
-
- #define fast ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
- #define ff first
- #define ss second
- #define mp make_pair
- #define ll long long
- #define rep(i,n) for(int i=0;i<n;i++)
- #define rev(i,n) for(int i=n;i>=0;i--)
- #define rep_a(i,a,n) for(int i=a;i<n;i++)
- #define pb push_back
-
- int sum_n = 0;
- int max_n = 0;
- int yess = 0;
- int nos = 0;
- int total_ops = 0;
- ll mod = 1000000007;
-
-
- void solve()
- {
-
- int n = readIntLn(1, MAX_N);
- sum_n+=n;
- max_n = max(max_n, n);
-
- ll a[n];
-
- rep(i,n){
- if(i<n-1) a[i] = readIntSp(1, 1e9);
- else a[i] = readIntLn(1, 1e9);
- }
-
-
- vector<ll> cnt(60) ;
- for(int i = 0 ; i < n ; i++)
- {
- for(ll j = 35 ; j >= 0 ; j--)
- {
- if(((1LL << j) & a[i]) != 0)
- {
- cnt[j]++ ;
- break ;
- }
- }
- }
-
- ll ans = 0 ;
- for(int i = 0 ; i <= 35 ; i++)
- {
- ans += ((cnt[i] * (cnt[i]-1))/2) ;
- }
- cout << ans << endl ;
-
- }
-
-
- int main()
- {
- ios_base::sync_with_stdio(0);
- cin.tie(0); cout.tie(0);
- #ifndef ONLINE_JUDGE
- freopen("inputf.txt" , "r" , stdin) ;
- freopen("outputf.txt" , "w" , stdout) ;
- freopen("error.txt" , "w" , stderr) ;
- #endif
-
- ll t ;
- t = readIntLn(1,10000);
-
- for(int i=1;i<=t;i++)
- {
- solve();
- }
- assert(getchar() == -1);
- assert(sum_n<=1000000);
-
-
- cerr<<"SUCCESS\n";
- cerr<<"Sum of lengths : " << sum_n <<'\n';
- cerr<<"Maximum length : " << max_n <<'\n';
- // cerr<<"Total operations : " << total_ops << '\n';
- //cerr<<"Answered yes : " << yess << '\n';
- //cerr<<"Answered no : " << nos << '\n';
-
- return 0;
- }