United Health Group (Optum) Interview Experience (On-Campus 2017)

Code in written test :
1) Sort the array pair wise
2) Mirror of the binary tree
3) longest common subsequence

Interview:
1) create the database of placement cell and retrieve the student name who
got double placement
2) some query of sql
2) project
3) puzzle : 7 balls one defective (heavy/light) in 2 attempt
4) normalization and primary key etc
5) expression tree
6) need of dynamic programming
7) abstraction, encapsulation and late binding with real life example
8) design the lift ( consider all cases )
9) rate yourself on the basis of coding and data structure
10) basic computer network
11) some data structure question from linked list, stack, queue and binary tree ( only logic )
and normal hr question ?

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