fork(2) download
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. const int N = 1e5;
  5. int n, a[N], Pow[20];
  6.  
  7. int main(int argc, char **argv) {
  8. Pow[0] = 1;
  9. for (int i = 1; i < 20; ++i)
  10. Pow[i] = Pow[i - 1] << 1;
  11. int t;
  12. scanf("%d", &t);
  13. while (t-- != 0) {
  14. scanf("%d", &n);
  15. for (int i = 0; i < n; ++i)
  16. scanf("%d", &a[i]);
  17. long long res = 0;
  18. int freq[20] = { };
  19. for (int i = 0; i < n; ++i)
  20. for (int j = 0; j < 20; ++j) {
  21. if (((a[i] >> j) & 1) == 0)
  22. freq[j] = 0;
  23. else
  24. ++freq[j];
  25. res += (long long) freq[j] * Pow[j];
  26. }
  27. printf("%lld\n", res);
  28. }
  29. return 0;
  30. }
Success #stdin #stdout 0.01s 15624KB
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