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Solution: Sliding Window Median

Understand how to solve the sliding window median problem using heap data structures. This lesson explores balancing max and min heaps to maintain the median while sliding a window across an array, improving efficiency with a hash map to defer costly removals. Gain insights into time and space complexity tradeoffs and apply these techniques to dynamic data processing scenarios.

Statement

Given an integer array, nums, and an integer, k, there is a sliding window of size k, which is moving from the very left to the very right of the array. We can only see the k numbers in the window. Each time the sliding window moves right by one position.

Given this scenario, return the median of the each window. Answers within 10510^{-5} of the actual value will be accepted.

Constraints:

  • 11 \leq k \leq nums.length 103\leq 10^3
  • 231-2^{31} \leq
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