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  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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https://ideone.com/PL7s1U
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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