Rotate array

In-place rotation tricks.

arrays in-place

Implement `rotate(nums: list[int], k: int) -> list[int]`.

Rotate elements to the right by k steps and return the list.

Constraints

1 ≤ len(nums) ≤ 10^5. k ≥ 0.

Example

>>> rotate([1,2,3,4,5,6,7], 3)
[5,6,7,1,2,3,4]

20 points ~18 min

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Hints

k %= len(nums); return nums[-k:] + nums[:-k].

Test Results

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