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Apr 16, 2025 · Fundamentals
Count Good Nodes in a Binary Tree (LeetCode 1448) – Problem Explanation and Java/C++ Solutions
This article introduces LeetCode problem 1448 about counting good nodes in a binary tree, explains the definition of a good node, provides example inputs and outputs, outlines constraints, offers a detailed DFS analysis, and presents complete Java and C++ implementations.
Binary TreeC++DFS
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