Haptiq Lab Interview Questions and Answers

Pseudo code for circular queue

• A circular queue is a data structure that follows the FIFO (First-In-First-Out) principle.

• It uses an array to store the elements and two pointers, front and rear, to keep track of the queue.

• When the rear pointer reaches the end of the array, it wraps around to the beginning, creating a circular behavior.

• To enqueue an element, check if the queue is full. If not, increment the rear pointer a...read more

Concatenation of linked lists is the process of combining two or more linked lists into a single linked list.

• Create a new linked list to store the concatenated result.

• Traverse the first linked list and add each node to the new linked list.

• Traverse the second linked list and add each node to the new linked list.

• The last node of the first linked list should point to the head of the second linked list.

• Return the head of t...read more

Finding the intersection point of two linked lists.

• Traverse both lists and find their lengths.

• Move the pointer of the longer list ahead by the difference in lengths.

• Now, traverse both lists simultaneously until the pointers meet.

• The meeting point is the intersection point.

Retrieve employees under a specific manager in a designated city using SQL query.

• Use the SELECT statement to specify the columns you want to retrieve.

• Utilize the WHERE clause to filter results based on manager and city.

• Example query: SELECT * FROM employees WHERE manager_id = 'xyz' AND city = 'abc';

• Ensure the table name and column names match your database schema.

To find the height of a tree and its mirror image, we need to traverse the tree and calculate the maximum depth.

• Traverse the tree using depth-first search or breadth-first search

• Keep track of the maximum depth encountered during traversal

• Repeat the traversal process for the mirror image of the tree

• Compare the heights of the original tree and its mirror image

Inheritance in everyday life is when traits or characteristics are passed down from parents to children.

• Inheritance in code allows a class to inherit properties and methods from another class.

• In everyday life, children often inherit physical traits, such as eye color or height, from their parents.

• In code, a child class can inherit attributes and behaviors from a parent class.

• For example, a parent class 'Animal' can hav...read more

I liked the company's innovative projects, supportive team, and positive work culture.

• Innovative projects: I was impressed by the company's focus on cutting-edge technologies and solutions.

• Supportive team: Everyone I met during the interviews was friendly, helpful, and passionate about their work.

• Positive work culture: The company's emphasis on work-life balance and professional development opportunities stood out to m...read more

The company specializes in developing software solutions for various industries.

• Specializes in developing software solutions

• Works with clients from different industries

• Focuses on creating innovative and efficient software products

My strengths include problem-solving skills and attention to detail. My weaknesses include public speaking and time management.

• Strengths: problem-solving skills

• Strengths: attention to detail

• Weaknesses: public speaking

• Weaknesses: time management

Yes, coding is my passion as I enjoy problem-solving and creating innovative solutions through programming.

• I find joy in tackling complex coding challenges

• I am constantly learning new technologies and improving my coding skills

• I have personal projects where I apply coding to solve real-world problems

I am willing to work here long-term and grow with the company. My future plans include gaining more experience and taking on more responsibilities.

• I am committed to working here for the foreseeable future

• I am eager to learn and grow within the company

• I hope to take on more responsibilities and advance in my career

My hobbies include playing guitar, hiking, and reading science fiction novels.

• Playing guitar: I enjoy learning new songs and practicing different techniques.

• Hiking: I love exploring nature trails and challenging myself with long hikes.

• Reading science fiction novels: I find it fascinating to escape into futuristic worlds and explore complex ideas.