Worked under Govt. Contractor Interview Questions and Answers

I have over 10 years of experience in sales, focusing on building strong relationships with customers and exceeding sales targets.

• Developing strong relationships with customers through effective communication and understanding their needs

• Meeting and exceeding sales targets by identifying opportunities and providing solutions

• Handling customer inquiries and concerns in a timely and professional manner

• Utilizing CRM system...read more

An unique id for a massive parallel system can be generated using a combination of timestamp, machine id and a random number.

• Use a timestamp to ensure uniqueness

• Include a machine id to avoid collisions in a distributed system

• Add a random number to further increase uniqueness

• Consider using a UUID (Universally Unique Identifier) for simplicity

• Ensure the id generation algorithm is thread-safe

A parking lot system that manages parking spots and vehicles.

• Create a class for parking lot with attributes like total number of spots, available spots, etc.

• Create a class for vehicle with attributes like license plate number, type, etc.

• Implement methods for parking a vehicle, removing a vehicle, and checking availability of spots.

• Use data structures like arrays and maps to store and retrieve information.

• Consider imple

Sort an array of strings while maintaining the original order.

• Create a map of each string to its original index in the array.

• Sort the array of strings.

• Use the map to reorder the sorted array based on the original order.

Find the Kth element from the end of a linked list.

• Traverse the linked list to find its length.

• Subtract K from the length to get the index of the Kth element from the end.

• Traverse the linked list again to find the Kth element from the end.