Codemonk Interview Questions and Answers for Experienced

Q1. Basics of Data structures, C++
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Q2. How do you reverse an array
Ans. 
To reverse an array of strings, iterate through half of the array and swap elements from start and end.
• Iterate through half of the array

• Swap elements from start and end of the array
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Q1. Different project you have worked on ?
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Q2. Experience in implementing HRMS
Ans. 
Implemented HRMS system to streamline HR processes and improve efficiency.
• Led the implementation of a new HRMS system to centralize employee data and automate processes

• Worked closely with IT and HR teams to customize the system to meet company's specific needs

• Provided training and support to employees on how to use the new HRMS system effectively
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Told me to design a path planner for a 2D Grid

Q1. What is Scan Matching in ICP algorithm?
Ans. 
Scan matching in ICP algorithm involves aligning two sets of scan data to find the transformation that minimizes the difference between them.
• Scan matching is a key step in Iterative Closest Point (ICP) algorithm used for registering point clouds.

• It involves finding the transformation (translation and rotation) that aligns two sets of scan data.

• The goal is to minimize the difference between the two sets of points by ite...read more
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Q2. Explain the navigation stack.
Ans. 
The navigation stack is a collection of software components that work together to enable a robot to navigate autonomously in its environment.
• The navigation stack typically includes components such as localization, mapping, path planning, and obstacle avoidance.

• Localization is the process of determining the robot's position and orientation in the environment.

• Mapping involves creating a map of the environment using senso...read more
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Q3. Explain VSLAM stack
Ans. 
VSLAM stack stands for Visual Simultaneous Localization and Mapping stack, used in robotics for navigation and mapping.
• VSLAM stack combines visual data from cameras with sensor data for localization and mapping in real-time

• It typically includes components like feature extraction, feature matching, camera calibration, and pose estimation

• Popular VSLAM algorithms include ORB-SLAM, LSD-SLAM, and PTAM
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Q4. What is loop closer in VSLAM and Scan matching
Ans. 
Loop closer in VSLAM and Scan matching is a technique used to optimize the trajectory of a robot by closing loops in the map.
• Loop closer is responsible for correcting accumulated errors in the estimated trajectory of a robot in VSLAM.

• It helps in aligning the current scan data with the previously mapped environment to improve localization accuracy.

• Loop closer can be implemented using techniques like loop closure detecti...read more
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Q5. Why you want to join the company.
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Weather dashboard app

Js coding test on array and loops

Q1. Reverse the whole string with spaces remaining in the same place
Ans. 
Reverse the whole string with spaces remaining in the same place
• Iterate through the string and reverse each word individually

• Keep track of spaces and add them back in the reversed string

• Join the reversed words together to form the final reversed string
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Q2. Framework architecture
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Questions were asked about my on my education background, my family, and why do I want to join this company?

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