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Bfs
9 practice items · needed by 14 roles
Easy
3
Medium
4
Hard
2
Coding problems
Depth of a Level-Order Tree
easy
Is the Tree Its Own Mirror?
easy
Is There a Corridor Route?
easy
Count Islands on a Map
medium
Minutes Until the Rack Is Infected
medium
What You See From the Right
medium
Zigzag Levels of a Tree
medium
Rainwater on a Terrain Map
hard
Shortest Word Chain
hard