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  1. 	#include <iostream>
  2. 	#include <bitset>
  3.  
  4. 	using namespace std;
  5.  
  6. 	template<std::size_t num_bits>
  7. 	void readBits(istream& is, std::bitset<num_bits>& thebits)
  8. 	{
  9. 		thebits.reset();
  10. 		std::size_t total_bytes = num_bits / sizeof(unsigned char) + 1;
  11. 		std::size_t bit_pos = 0;
  12. 		for(std::size_t i = 0; 
  13. 		    is && 
  14. 		    i < total_bytes && 
  15. 		    bit_pos < num_bits;
  16. 		    ++i)
  17. 		{
  18. 			unsigned char currentByte = 0;
  19. 			if(is >> currentByte)
  20. 			{
  21. 				for(int currentBit = 0; 
  22. 				    currentBit < sizeof(unsigned char) &&
  23. 				    bit_pos < num_bits;
  24. 				    ++currentBit, ++bit_pos)
  25. 				{
  26. 					thebits[bit_pos] = currentByte &  (0x80 >> currentBit) > 0;
  27. 				}
  28. 			}
  29. 		}
  30. 	}
  31.  
  32. 	int main() {
  33. 		std::bitset<4> nibble;
  34. 		std::bitset<8> byte;
  35. 		std::bitset<23> number_of_bits;
  36.  
  37. 		readBits(std::cin,nibble);
  38. 		readBits(std::cin,byte);
  39. 		readBits(std::cin,number_of_bits);
  40.  
  41. 		std::cout << nibble << byte << number_of_bits << std::endl;
  42.  
  43. 		return 0;
  44. 	}
Success #stdin #stdout 0s 3480KB
comments (?)
stdin
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gtzugzui
stdout
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10010000110100000000000000000000000
https://ideone.com/Il9p30
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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