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  1. #include <iostream>
  2. #include <cstdio>
  3. #include <cmath>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	unsigned long long int a, wynik, b;
  8. 	int i;
  9. 	while ( cin >> a )
  10. 	{
  11. 		i = 0;
  12. 		wynik = 0;
  13. 		while ( a >= pow( 2, i ) && i < 64 )
  14. 		{
  15. 			i++;
  16. 		}
  17. 		i--;
  18. 		while ( a != 0 )
  19. 		{
  20. 			if ( a % 2 == 1 )
  21. 			{
  22. 				b = pow( 2, i );
  23. 				wynik += b;
  24. 			}
  25. 			i--;
  26. 			a = a/2;
  27.  
  28. 		}
  29. 		cout << wynik << endl;
  30. 	}
  31. 		return 0;
  32. }
Success #stdin #stdout 0s 4712KB
comments (?)
stdin
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18446744073709551615
4294967296
4294967297
69788180
19192237
0
8070450532247928832
9223372036854775809
11
61
13
47
stdout
copy 
18446744073709551615
1
4294967297
21117089
23803465
0
7
9223372036854775809
13
47
11
61
https://ideone.com/nWsB3k
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
public

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