LeetCode
Experience
#114 Flatten Binary Tree to Linked List
Interview Experience
LeetCode #114: Flatten Binary Tree to Linked List. Difficulty: Medium. Topics: Linked List, Stack, Tree, Depth-First Search, Binary Tree. Asked at Amazon in the last 6 months.
Original Source
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Binary Tree
Depth-First Search
Stack
Tree
Binary Tree
Graph
Linked List
Stack
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