Coupa Software Inc Technical Lead Interview Questions and Answers

Implementing naming of threads in a multi-threaded OS and implementing rand5 using rand7

• Use thread ID or thread name to name threads in a multi-threaded OS

• Implement a function that generates a random number between 1 and 7

• Use rejection sampling to implement rand5 using rand7

• Ensure thread names are unique to avoid confusion

• Test the implementation thoroughly to ensure correctness

Free uses metadata stored in the heap to determine the number of memory blocks to delete for arrays.

• Free stores metadata about the size of the allocated memory block in the heap.

• Free uses this metadata to determine the number of memory blocks to delete for arrays.

• For example, if an array of 10 integers was allocated, the metadata would indicate the size of the block as 40 bytes.

• Free would then use this information to d...read more

Mapping a fresher to a new team involves understanding their skills, interests, and team dynamics.

• Assess the fresher's technical skills and match them with the team's requirements

• Understand the fresher's interests and align them with the team's projects

• Introduce the fresher to the team and assign a mentor for guidance

• Encourage the fresher to participate in team activities and meetings

• Provide regular feedback and suppor

To give timeline on requirement, break it down into smaller tasks and estimate time for each task.

• Break down the requirement into smaller tasks

• Estimate time for each task

• Consider dependencies and potential roadblocks

• Communicate timeline clearly to stakeholders

• Regularly review and adjust timeline as needed