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Discussion on "LeetCode 39 · Combination Sum — Backtracking (Java) with Trace Tree" | Hashnode

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CHAO DU

Greetings

Oct 22, 2025

LeetCode 39 · Combination Sum — Backtracking (Java) with Trace Tree

Tags: leetcode, algorithms, backtracking, javaMeta description: Clean Java backtracking for LeetCode 39 (Combination Sum). Includes pruning, complexity notes, and a decision-tree diagram to visualize the DFS search. 🧠 Problem Given an array of dis...

leetlog-by-chao.hashnode.dev4 min read

#leetcode #algorithms #backtracking #java

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