The backtracking approach: Start with an empty current subset Add the current subset to results (every partial state is a valid subset) For each element from the start index onward: - Add the element to current subset - Recurse with start = i + - Remove the element (backtrack) The start index ensures you don't revisit earlier elements.
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$ curl repovive.com/roadmaps/maang-interview-prep/backtracking/subsets-solution
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