LeetCode Invert Binary Tree: 4-Line Recursion
Solve LeetCode 226 Invert Binary Tree with a four-line recursive swap and an iterative BFS alternative, including complexity and interview talking points.
·5 min read · #dsa#leetcode#binary-tree
#binary-tree
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LeetCode Maximum Depth of Binary Tree: DFS in 3 Lines
Solve LeetCode 104 Maximum Depth of Binary Tree with a three-line recursive DFS and an iterative BFS alternative, with complexity analysis and interview tips.
·5 min read · #dsa#leetcode#binary-tree