Hi Everyone, I encountered this subproblem in a problem.

Suppose we are given an array of integers of size N and want to generate subsets of size K from it. I used this simple backtracking approach to generate the combinations of size K.

**Backtracking Code**

I was wondering if there is a possible approach to do this by using bits, a simple approach is generating all subsets and processing only the ones that have size K, but in this, we have to generate all 2^{N} subsets.

**Bits Solution**

Is there a way to do this using bits without generating all the possible subsets?.