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Data Structures for Coding Interviews in C++

Solution: Find k Smallest Elements in an Array

Explore how to identify the k smallest elements in an unsorted array by leveraging the MinHeap data structure. This lesson guides you through implementing the solution in C++, analyzing its time and space complexity to prepare for coding interviews.

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Statement

Given an unsorted array arr and an integer k, find the k smallest elements from the array using a Heap.

Constraints:

  • 1≤1 \leq arr.length ≤103\leq 10^3
  • 1≤1 \leq k ≤103\leq 10^3
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