Maintain k-th largest in a stream

Q: Maintain k-th largest in a stream

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Question

Design and implement a class KthLargest that, given an integer k and an initial list of integers, supports: (

KthLargest(k, nums): constructor; (
add(val): adds val to the data structure and returns the current k-th largest element. Achieve O(log k) time per insertion and O(k) space. Describe your data structures, handle duplicates, and analyze complexity.

Maintain k-th largest in a stream

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