AShiou·1d agoNeetcode 150 — Backtracking最近為了練習刷題，開始寫 Neetcode 150。以下是我的刷題筆記，主要以 JAVA 來練習，分類及題目來自 Neetcode。
Harsh Jaiswal·2d ago🌳 Understanding Trie (Prefix Tree) — From Fundamentals to LeetCode ProblemsIntroduction
Samrat Parajuli·3d agoHow to Start LeetCode as a Beginner: A Practical Guide to Your First 100 ProblemsA step-by-step approach to choosing problems, learning DSA, understanding solutions, and building a consistent coding practice.
Tingwei-Vivid·4d agoTwo Sum 學習筆記：從雙層迴圈到 JavaScript 的 let、const 與嚴格比較這次我用 JavaScript 練習 LeetCode 簡單的的 Two Sum
Harsh Jaiswal·5d agoHashing in DSA: From Fundamentals to Advanced Problem-Solving PatternsIntroduction
Priyanka·6d agoWhy I Got TLE Using ArrayList and Why HashSet Is Better for Fast Lookup in JavaWhile solving LeetCode 217 — Contains Duplicate, I initially tried solving the problem using multiple approaches. My first approach was…
Marko Mihajlovic·6d agoFrom 4074 ms to 370 ms: What a Single Pruning Rule Taught Me About PerformanceA walkthrough of optimizing a “frequency staircase” LeetCode problem in Python, including the wrong turn that caused a Time Limit Exceeded.
Key computer Education·6d agoPointer, Functions(Recursion) and Array(integer and string)Q. Print Array Elements Recursively Using Pointers
