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Feb 25, 2024 · Fundamentals
Binary Tree Level Order Traversal (LeetCode 102) – Problem Description and Solutions in Java, C++, C, and Python
The article humorously discusses Huawei cafeteria competition before presenting LeetCode problem 102, which requires a breadth‑first level order traversal of a binary tree, and provides complete Java, C++, C, and Python implementations that use a queue to process each tree level.
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