Solution: Find k Smallest Elements in a List

Let’s solve the Find k Smallest Elements in a List problem.

We'll cover the following

Statement

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

Constraints:

  • 11 \leq lst.length 103\leq 10^3
  • 11 \leq k 103\leq 10^3
  • 105-10^5 \leq lst[i] 105\leq 10^5

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