Backtracking pattern
Subsets
Given an array of distinct integers, return all possible subsets (the power set), with no duplicate subsets in the result. Watch it run step by step, then write your own pseudocode and get it checked by AI.
- LeetCode 78
- Medium
- 1 approach
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BacktrackingLeetCode 78
Medium
The approach
- 01 Backtracking · extend with later elements O(2ⁿ · n)O(n) space
What you will learn
- How to read Subsets and spot the backtracking pattern in it
- Backtracking · extend with later elements: O(2ⁿ · n) time, O(n) space
- The pseudocode for each approach, its line lit as the animation runs
- Practice: write your own pseudocode and get it checked
More Backtracking
See Subsets run, step by step
Sign in and this page opens on the animation, with all 8 Backtracking problems beside it.
DSA comes with the all labs plan and every ChaiCode batch.