Prepare Data structers and algorithm as much as possible. If you have basic knowledge of coding and data structers i will recommend go through leetcode modules Click here.
I started doing these modules a month ago (was recommeded by a friend). I will mention them below

1. Array and Strings.
2. Hash Table (most important topic).
3. Linked List.
4. Recursion 1.
5. Binary tree.
6. Binary Search Tree.

below are things i did from various sites.

7. Dynamic Programming
8. Graphs
9. Advance Trees(Fenwick Tree, Segments Tree)
10. Greedy Algorithm
11. Backtracking
12. Disjoint Sets 

I did around 55 easy, 45 medium and 5 hard question on leetcode and i was confident enough to solve any medium level question easily.

I did all these things in just a 1 month with just knowing the basic of coding and DSA. I am not showing off but i am just encouraging people.

dreams don't work unless you do

I got an offer from AthenaHealth (Through On Campus Drive).

How did I prepared for the interview - I will be honest, I didn't prepared for the interview and i never thought i will be able to crack the technical round. During HR interview I was just being honest, calm, and yes always smile. :)

I hope you all have got a little idea how to prepare about CP (not interview).
I really appreciate for reading till the end.

And i know most of you have judged my poor grammatical skills when reading the post. I am trying to improve my grammatical skills.

Thank You.

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