Скачать или смотреть 【10 mins for FAANG #5】Leetcode 39. Combination Sum

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1. Summary:
The Combination Sum problem requires finding all unique combinations of given numbers that sum to a target. This is a classic backtracking problem, allowing efficient exploration of possibilities while avoiding unnecessary computations. The approach is widely used in optimisation and decision-making problems.

2. Full interview key points behind the solution and details (Medium) :
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3. Related Problems to Explore:
Combination Sum II (LeetCode 40): Candidates have duplicates and can only be used once.
Subset Sum (LeetCode 416): Partitioning numbers into equal-sum subsets.
Permutations (LeetCode 46): Finding all unique orderings of elements.