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7/4/2026
Right View of a Binary Tree

Right View of a Binary Tree

Short summary

LeetCode tutorial on finding the right-side view of a binary tree using level-order traversal (BFS). Algorithm tracks the last node at each level to identify visible nodes, achieving O(N) time and space complexity. Includes Java implementation and visual examples.

  • •Use BFS/level-order traversal to process nodes level-by-level
  • •Record the last node encountered at each level for the right view
  • •O(N) time complexity, O(N) space complexity

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