C++ - Decimal to binary converting

Question

I wrote a \'simple\' (it took me 30 minutes) program that converts decimal number to binary. I am SURE that there\'s a lot simpler way so can you show me? Here\'s the code:<

Answer 1

#include 
#include 

#define bits(x)  (std::string( \
            std::bitset<8>(x).to_string() ).c_str() )


int main() {

   std::cout << bits( -86 >> 1 ) << ": " << (-86 >> 1) << std::endl;

   return 0;
}