Data Structures and Algorithms Study Guide
==========================================

[](https://github.com/siansiansu/algorithms) [](https://hackmd.io/6QUr70BVQBSFIv3xs4zjsQ)

Core Data Structures and Algorithms
-----------------------------------

- [Array](https://hackmd.io/@siansiansu/HkZhjlPVA)
- [Binary Tree](https://hackmd.io/@siansiansu/SkgL1WDER)
- [Graph](https://hackmd.io/@siansiansu/rJNP-WvVC)
- [HashMap](https://hackmd.io/@siansiansu/HyAc_-wEA)
- [Linked List](https://hackmd.io/@siansiansu/H1K60lvNC)
- [Queue](https://hackmd.io/@siansiansu/BygLsMbPEC)
- [Stack](https://hackmd.io/@siansiansu/HkOu2lPEC)
- [String](https://hackmd.io/@siansiansu/HkRmnewNR)
- [Trie (Prefix Tree)](https://hackmd.io/@siansiansu/B1qHrIPdR)

Advanced Topics
---------------

- [Backtracking](https://hackmd.io/@siansiansu/ry9_aOkHR)
- [Binary Search](https://hackmd.io/@siansiansu/rkTRebPVC)
- [Bit Manipulation](https://hackmd.io/@siansiansu/BytEP-PVR)
- [Design](https://hackmd.io/@siansiansu/BJ49PXOOA)
- [Dynamic Programming](https://hackmd.io/@siansiansu/r1h46gwER)
- [Greedy Algorithm](https://hackmd.io/@siansiansu/H1hSEbwN0)
- [Intervals](https://hackmd.io/@siansiansu/ByBMN-wVA)
- [Math](https://hackmd.io/@siansiansu/SJIiYWDNR)
- [Matrix](https://hackmd.io/@siansiansu/HyMKqKXSR)
- [Prefix Sum](https://hackmd.io/@siansiansu/HJqYlr-HC)
- [Sliding Window](https://hackmd.io/@siansiansu/rkORjyXB0)
- [Sorting](https://hackmd.io/@siansiansu/B1iGru1tC)
- [Two Pointers](https://hackmd.io/@siansiansu/SJLEQ3eBA)

Other Resources
---------------

- [Basic Implementation](https://hackmd.io/@siansiansu/rknleZD4R)
- [LeetCode Contests](https://hackmd.io/@siansiansu/BJd6MEd_0)
- [SQL](https://hackmd.io/@siansiansu/ByJrrvh7A)
- [USACO Guide](https://usaco.guide/)
- [Common Bit Manipulation](https://hackmd.io/@siansiansu/SJgArcrE0)
- [演算法來用台語講 - 解題詞彙對照表](https://hackmd.io/@siansiansu/S1_QERVdR)
- [Algorithm Notes](https://web.ntnu.edu.tw/~algo/)

C++ Features
------------

- [C++11 for Programming Contests](https://codeforces.com/blog/entry/10124)
- [C++ Tricks (C++11 onwards)](https://codeforces.com/blog/entry/15643)
- [C++14](https://codeforces.com/blog/entry/16262)
- [C++17](https://codeforces.com/blog/entry/57729)
- [C++ tips and tricks](https://codeforces.com/blog/entry/74684)

LeetCode Articles
-----------------

- [Comprehensive Data Structure and Algorithm Study Guide](https://leetcode.com/discuss/general-discussion/494279/comprehensive-data-structure-and-algorithm-study-guide) by xrssa
- [Doing Leetcode the Wrong Way](https://leetcode.com/discuss/general-discussion/5031884/Doing-Leetcode-the-wrong-way.) by Dartist
- [From 0 to Clearing Uber/Apple/Amazon/LinkedIn/Google](https://leetcode.com/discuss/career/216554/From-0-to-clearing-UberAppleAmazonLinkedInGoogle) by topcat
- [How to Effectively Use LeetCode to Prepare for Interviews](https://leetcode.com/discuss/career/449135/How-to-effectively-use-LeetCode-to-prepare-for-interviews!!) by Pooja0406
- [Important and Useful Links from All Over LeetCode](https://leetcode.com/discuss/general-discussion/665604/Important-and-Useful-links-from-all-over-the-LeetCode) by deepika135
- [Tips for Negotiation](https://leetcode.com/discuss/compensation/1767395/Tips-for-Negotiation) by ghost_007
- [Tips for Answering Tricky Behavioral Interview Questions](https://leetcode.com/discuss/interview-experience/1532708/tips-for-answering-few-tricky-behavioural-interview-questions) by Anonymous user

Additional Resources
--------------------

- [Algorithms Visualization](https://visualgo.net/en)
- [Big-O Cheat Sheet](https://www.bigocheatsheet.com/)
- [Coding Interview University](https://github.com/jwasham/coding-interview-university)