How to print all the subsets of a given set using bit manipulation ?

Question

Suppose the array is [1,2,3] then all the subsets are (1),(2),(3),(1,2),(1,3),(2,3),(1,2,3)

Answer 1

I prepared something that should be a *bit* close to what you might be looking for:
https://code.sololearn.com/cC3WxApRick3/?ref=app