Design - Top Interview Questions[Medium] (7/9) : Java

Design

These problems may require you to implement a given interface of a class, and may involve using one or more data structures. These are great exercises to improve your data structure skills.

We recommend: Serialize and Deserialize Binary Tree and Insert Delete GetRandom O(1).

 

 

 Flatten 2D Vector

 

 Serialize and Deserialize Binary Tree

 

 Insert Delete GetRandom O(1)

 

 

 Design Tic-Tac-Toe