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

Here is modern variant that can be used for ints of different sizes.

#include 
#include 

template
std::enable_if_t,std::string>
encode_binary(T i){
    return std::bitset(i).to_string();
}