Essential patterns and tricks for all 150 NeetCode problems

leetcode‑js‑solutions is a structured ES6+ JavaScript library containing LeetCode challenge solutions across Easy, Medium, and Hard tiers. Each solution resides in its own file—named by problem number and title—and is accompanied by a concise problem overview detailing goals and constraints, as well as sample input/output.

Coding DSA Interview at Big Tech — 14 Core Pattern Chapters with Python 3 Solutions, Complexity Analysis & Practice Guide.

Data Structures, Algorithms, and some advanced concepts implemented in Python.

LeetCode Hot 100 随机刷题工具（Python CLI + local Web UI）：隐藏题型提示、进度跟踪与错题复习，适合 coding interview prep