Oyo Rooms Electronics Engineer Interview Questions and Answers for Freshers

Next greater element is a problem where we find the closest greater element for each element in an array.

• Iterate through the array

• For each element, compare it with the elements on its right

• Find the first element greater than the current element

• Store the result in a new array or data structure

Program to find all prime numbers up to given N.

• Start with 2 and iterate up to N

• For each number, check if it is divisible by any number from 2 to its square root

• If not divisible, add it to the list of primes

Fetching unique URLs from a 10GB file with non-unique URLs.

• Read the file in chunks to avoid memory issues.

• Use a hash set to store unique URLs.

• Iterate through each URL in the file and add it to the hash set if it doesn't already exist.

Sales focuses on selling products or services, while marketing focuses on promoting and creating demand for those products or services.

• Sales involves direct interaction with customers to close deals.

• Marketing involves creating strategies to reach and engage potential customers.

• Sales focuses on individual transactions, while marketing focuses on long-term customer relationships.

• Sales is more tactical, while marketing is...read more