Combinations
Understand how to use backtracking to solve combinations problems by generating all possible k-element subsets from the range 1 to n. Learn to handle constraints, optimize your approach, and prepare for coding interviews by mastering this essential pattern.
We'll cover the following...
We'll cover the following...
Statement
You are given two integers, n and k. Your task is to return all possible combinations of k numbers chosen from the range [1, n].
The result can be returned in any order.
Note: Combinations are unordered, i.e., [1, 2] and [2, 1] are considered the same combination.
Constraints:
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