PYTHON PROBLEM 306 · Advanced

Topologically sort tasks: Cyclic dependencies

Report Cycle when no complete topological order exists.

topological sort · Kahntopological sortKahn

PROBLEM OVERVIEW

What this Python exercise asks you to practise

This scenario tests topologically sort tasks. It belongs to the Graphs and Connectivity roadmap and uses the topological sort · kahn pattern.

Graph representation, BFS, DFS, shortest paths, topological order, and union-find.

COMPLETE WORKSPACE

Learn the plan, trace the logic and run the solution

Complete access unlocks the full statement, input and output examples, visual execution plan, hints, browser compiler, solution and line-by-line interpretation.

Unlock all 360 problems · ₹599One full year · one payment · no automatic renewal

SKILL TO CARRY FORWARD

Pattern relevance

This exercise strengthens topological sort · kahn. Be ready to explain the input, the rule, the boundary cases, and why the chosen approach is appropriate.