Google SDE Intern Interview Questions and Answers

Given a Y-linked list, find the node at the intersection point.

• Traverse both branches of the Y-linked list and compare nodes.

• Use a hash table to store visited nodes and check for intersection.

• If one branch is longer, traverse it until it matches the length of the other branch.

Count the occurrences of each character in a given string including special characters.

• Create test cases for empty string

• Test for string with only one character

• Test for string with all characters being the same

• Test for string with all characters being different

• Test for string with special characters

Remove duplicate characters from a string while preserving order.

• Create an empty string to hold the result.

• Iterate through each character in the input string.

• If the character is not already in the result string, add it.

• Return the result string.

The complexity of the codes depends on the number of operations and loops used.

• The first code has a complexity of O(n) as it uses a single loop to iterate through the array.

• The second code has a complexity of O(n^2) as it uses nested loops to compare each element with every other element in the array.

• The complexity of a code can also depend on the type of operations used, such as sorting or searching.

• Complexity can be ...read more

I have a strong academic background with a focus on computer science and engineering.

• Graduated with a Bachelor's degree in Computer Science from XYZ University

• Completed a Master's degree in Electrical Engineering from ABC University

• Took courses in data structures, algorithms, programming languages, and computer networks

• Participated in various coding competitions and hackathons

• Maintained a GPA of 3.8 throughout my acade

I am working on this project out of interest and I believe I can improve it by implementing more advanced algorithms and incorporating user feedback.

• Implement more advanced algorithms to improve accuracy

• Incorporate user feedback to enhance user experience

• Optimize code for faster performance

• Add more features to increase functionality

My peers would describe me as a reliable and hardworking team player with excellent communication skills.

• Reliable and consistent in meeting deadlines and completing tasks

• Collaborative and supportive of team members

• Clear and effective communicator, both verbally and in writing

• Open to feedback and willing to learn and improve

• Positive attitude and strong work ethic

I am currently working on a web application for a client in the e-commerce industry.

• The project involves developing a user-friendly interface for customers to browse and purchase products.

• I chose this project because I have experience in web development and I find the e-commerce industry interesting.

• I am also excited about the challenge of creating a seamless checkout process for customers.

• The project requires collabor...read more

I am constantly seeking feedback and learning new skills to improve my performance.

• Regularly seeking feedback from colleagues and supervisors

• Attending workshops and training sessions to learn new skills

• Setting personal goals and tracking progress towards them

• Reflecting on past experiences and identifying areas for improvement

• Reading industry publications and staying up-to-date with trends

The desire to learn and grow keeps me motivated.

• Setting achievable goals

• Celebrating small wins

• Surrounding myself with positive people

• Taking breaks and practicing self-care

• Remembering my purpose and passion

• Continuously learning and seeking new challenges

My professors would describe me as hardworking and detail-oriented. They have pointed out my weakness in public speaking.

• Professors would describe me as hardworking and detail-oriented

• Weakness in public speaking has been pointed out

• Received positive feedback on assignments and projects

• Collaborates well with classmates and participates in group discussions

Short term goal is to learn and contribute to the company. Long term goal is to grow professionally and take on leadership roles.

• Short term goal: Learn new skills and technologies

• Short term goal: Contribute to the company's success

• Long term goal: Grow professionally and take on leadership roles

• Long term goal: Build a strong network in the industry

• Long term goal: Achieve financial stability