https://wid-blog.github.io/en/tags/bfs/Recent content in Bfs on wid's blogHugoenFri, 03 Jul 2026 00:00:00 +0000https://wid-blog.github.io/en/posts/tech/algorithm/topological-sort/Fri, 03 Jul 2026 00:00:00 +0000https://wid-blog.github.io/en/posts/tech/algorithm/topological-sort/Kahn’s BFS for topological sort repeatedly takes nodes with zero in-degree, and cycle detection comes along without extra logic. The mechanism, the Course Schedule problems, and the selection criteria against DFS post-order.