Which optimized pattern solves this lesson cleanly?

Question

Which optimized pattern solves this lesson cleanly?

Option A — Correct answer

Topological sort with zero-indegree BFS.

Option B

Nested loops without visited state

Option C

Two pointers on a sorted array

Option D

Character frequency counting only

Explanation

Topological sort with zero-indegree BFS.

Course Schedule - Topological Sort Pattern Practice Quiz