Abco Advisory Board Company | Set 2 (On-Campus)
Round 1:
Technical aptitude 20 questions + 2 coding questions + 5 dbms queries
Round 2: Technical interview
- Given a mxn matrix with elements sorted along the rows as well as the columns, find a given element in it
- A thermometer records readings every 5 seconds. Suggest a data structure to maintain the minimum and maximum readings recorded in the last 24 hours
- Find if two nodes are cousin’s in a binary tree
- OOPS concepts, mention a few object oriented programming languages
- What are the access modifiers allowed for a constructor, Singleton design pattern
- Write SQL query to find the user who logged in maximum number of times (table has entries with username, timestamp)
Round 3: Technical interview
- n people play a tournament having a match with every other participant. Form a round Robin queue structure such that for a person at index i, he has lost to person at i-1 and won with i+1. It does not matter if he has lost or won with a person two or more indices away. (use bst traversal)
- Give applications for (and the need of) each tree traversal
- Write an SQL query to find the person who secured the second rank in class (and a few similar variants of such queries)
- Write a code to retrieve the minimum element present in a stack
Round 4: HR interview
- Why computer science
- Tell me about a situation where you felt immense pride and a situation where you failed. What motivates you etc
- About projects. What would you do if you feel a team member is not contributing to the project
- About extra curricular
- What do you know about the company
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