PRACTICE

Breadth-First Search Interview Questions

20 Breadth-First Search problems asked across FAANG and top tech companies. Approach hints, optimal solutions, and related problems.

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0ProblemDifficultyCompaniesBreakdown / SolutionLeetCode
All Paths From Source to TargetMedium1 companiesView breakdown →
Amount of Time for Binary Tree to Be InfectedMedium1 companiesView breakdown →
Binary Tree Vertical Order TraversalMedium1 companiesView breakdown →
Bus RoutesHard1 companiesView breakdown →
Distance to a Cycle in Undirected GraphHard1 companiesView breakdown →
Is Graph Bipartite?MEDIUM1 companiesView breakdown →
Find Eventual Safe StatesMEDIUM1 companiesView breakdown →
Find the Safest Path in a GridMEDIUM1 companiesView breakdown →
Network Delay TimeMEDIUM1 companiesView breakdown →
Number of ProvincesMEDIUM1 companiesView breakdown →
Making A Large IslandHARD1 companiesView breakdown →
Maximize Amount After Two Days of ConversionsMEDIUM1 companiesView breakdown →
Sentence Similarity IIMEDIUM1 companiesView breakdown →
The Time When the Network Becomes IdleMEDIUM1 companiesView breakdown →
Last Day Where You Can Still CrossHARD1 companiesView breakdown →
Serialize and Deserialize N-ary TreeHard1 companiesView breakdown →
Shortest Path in a Grid with Obstacles EliminationHard1 companiesView breakdown →
Vertical Order Traversal of a Binary TreeHARD1 companiesView breakdown →
Web CrawlerMEDIUM1 companiesView breakdown →
Populating Next Right Pointers in Each NodeMedium5 companiesView breakdown →

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