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  1. #include <iostream> 
  2. #include <iterator> 
  3.  
  4. template<typename T> 
  5. std::string binary(T t) 
  6. { 
  7.         unsigned short amountBits =  sizeof(T) * 8; 
  8.         std::string rval(amountBits, '0'); 
  9.         for(;amountBits--;t >>= 1) 
  10.                 if(t & 1) 
  11.                         ++rval[amountBits]; 
  12.  
  13.         return rval; 
  14. } 
  15.  
  16. int main() 
  17. { 
  18.         std::cout << binary( *std::istream_iterator<int>(std::cin) ) << '\n'; 
  19. }
Success #stdin #stdout 0.01s 2860KB
comments (?)
stdin 
100
stdout 
00000000000000000000000001100100
https://ideone.com/0Le1c
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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