Naukri Skill Power Set Subsets
Naukri Skill Power Set Subsets
MediumRecursion100% accepted
Naukri generates all possible skill combinations. Given an integer array of unique elements, return all possible subsets (the power set) in canonical order: each subset sorted ascending, subsets ordered by size then lexicographically.
Approach
Generate power set (all subsets) using recursion/backtracking.
Input
3
1 2 3
Output
[[],[1],[2],[3],[1,2],[1,3],[2,3],[1,2,3]]
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