#202Medium#52 in Amazon's list· asked at 25 companies
Combination Sum
Hosted on LeetCode
Solve it on LeetCode, track it here.
This problem's full statement lives on LeetCode. Open it in a new tab, then come back to mark it solved, add notes and keep your streak.
LeetCode Premium locked?
Most company-tagged LeetCode problems are behind Premium. If you have ChatGPT Plus or Claude Pro, ask it for the full statement, examples and constraints. The buttons below open a chat with the prompt already filled in.
What we know
Example 1
Input: candidates = [2,3,6,7], target = 7 Output: [[2,2,3],[7]]
Example 2
Input: candidates = [2,3,5], target = 8 Output: [[2,2,2,2],[2,3,3],[3,5]]
Example 3
Input: candidates = [2], target = 1 Output: []
Constraints
- •
1 <= candidates.length <= 30 - •
2 <= candidates[i] <= 40 - •
All elements of
candidatesare distinct. - •
1 <= target <= 40