How to learn Topological Sort - Kahn's Algorithm for coding interviews?

Master Topological Sort - Kahn's Algorithm by understanding the core concept and practicing related problems. Key topics: topological sort, Kahn algorithm, course schedule, build order, DAG sorting.

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Topological Sort - Kahn's Algorithm

Master topological sorting using Kahn's BFS algorithm. Solve course schedule and build order problems.

Topics

topological sortKahn algorithmcourse schedulebuild orderDAG sortingleetcode 207leetcode 210

What you'll learn

•Core concepts and intuition behind Topological Sort - Kahn's Algorithm
•Step-by-step implementation with code examples
•Time and space complexity analysis
•Common interview problems and variations

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Other subpatterns in Graph Traversal Patterns - DFS and BFS

DFS Connected Components - Island Counting

Use DFS to find connected components and count islands in grids. Flood fill and province counting problems.

BFS Connected Components - Shortest Path in Grid

Use BFS for shortest path in unweighted graphs. Solve word ladder, rotting oranges, and matrix problems.

Cycle Detection in Directed Graph

Detect cycles in directed graphs using DFS with coloring (white, gray, black) approach.

Bellman-Ford and BFS with K Stops

Find shortest paths with constraints using Bellman-Ford algorithm and BFS with limited stops.

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