Definition

An algorithm used to find the ‘k’ largest or smallest elements, or the ‘k’ most frequent elements within a dataset, often an array.

Why it matters (in Poovi’s context)

Relevant for technical interviews as it tests understanding of data structures like heaps and sorting.

Key properties or components

  • Identifies top k largest elements
  • Identifies top k most frequent elements
  • Often uses heaps or sorting

Contradictions or debates

None.

Sources