Code Monk has helped me a lot in preparing for my technical interviews. It helps you improve your programming skills to the next level. I became efficient in mo

Code Monk has helped me a lot in preparing for my technical interviews. It helps you improve your programming skills to the next level. I became efficient in most of the data structures/algorithms after reading through their tutorials and practicing there. https://www.hackerearth.com/practice/ https://www.hackerearth.com/practice/ Definitely have a look at this, if you want to improve in the field of data structures for your technical interviews.