pyPython Practice LabFrom first print to final round
PYTHON PROBLEM 316 · Interview-Level

Merge accounts by shared email: No shared emails

Keep every account separate when no email appears twice.

union-find · hash map · company screenunion-findhash mapcompany screen
PROBLEM OVERVIEW

What this Python exercise asks you to practise

This scenario tests merge accounts by shared email. It belongs to the Graphs and Connectivity roadmap and uses the union-find · hash map · company screen 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 union-find · hash map · company screen. Be ready to explain the input, the rule, the boundary cases, and why the chosen approach is appropriate.