Practice

Helpful code

Define a custom ordering for a priority queue: Leetcode -> DesignTwitter.cpp

Data structures

AVL Trees -> Miscellaneous

References

Gayle Laakmann McDowell, Cracking the Coding Interview: 189 Programming Questions and Solutions 6th Edition

[Leetcode] [https://leetcode.com]

[GeeksForGeeks] [https://www.geeksforgeeks.org]