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developer-roadmap/roadmaps/leetcode/content/subsets@2AfJtRru4gll77Vl-6IJM.md
Arik Chakma 274082fd77 feat: clean roadmap content and sync scripts (#10181)
* refactor: clean to roadmap content

* refactor: move shared helpers into scripts/lib
2026-07-28 05:45:17 +06:00

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Subsets

Given an array of unique integers, return all possible subsets, including the empty set. You use backtracking to make a binary decision at each element: include it or skip it, building subsets recursively. This problem teaches the foundation of backtracking, the include/exclude decision tree that underpins all subset and combination problems.

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