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Solution: Find K Closest Elements

Explore methods to identify k closest elements to a target value in a sorted array. Understand both naive sorting and optimized binary search approaches with sliding windows. Learn to implement and choose the best solution based on time and space efficiency.

Statement

You are given a sorted array of integers, nums, and two integers, target and k. Your task is to return k number of integers that are close to the target value, target. The integers in the output array should be in a sorted order.

An integer, nums[i], is considered to be closer to target, as compared to nums[j] when |nums[i] - target| << |nums[j] - target|. However, when |nums[i] - target| == |nums[j] - target|, the smaller of the two values is selected.

Constraints:

  • 11 \leq k \leq nums.length
  • 11 \leq nums.length 103\leq 10^3
  • nums is sorted in ascending order.
  • 104-10^4 \leq nums[i], target 104\leq 10^4
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