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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. using namespace std;
  5.  
  6. int main() 
  7. {
  8.     long long int n;
  9.     double x = log(n)/log(2);
  10.     int y = x;
  11.     while (cin >> n) if (n) cout << n << ". " << y << endl;
  12.  
  13.  
  14.  
  15.  
  16.  
  17.  
  18.  
  19.  
  20. 	return 0;
  21. }
Success #stdin #stdout 0.02s 2728KB
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stdout
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2. -2147483648
4. -2147483648
8. -2147483648
16. -2147483648
32. -2147483648
64. -2147483648
128. -2147483648
256. -2147483648
512. -2147483648
1024. -2147483648
2048. -2147483648
4096. -2147483648
8192. -2147483648
https://ideone.com/efvyN
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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