BlueBinaries Engineering and Solutions Developer Associate Interview Questions and Answers

Please inquire about the fundamentals of computer science, including object-oriented programming, data structures and algorithms, database management systems, and computer networks.

Q1. Cs fundamental questions
Add your answer

Q1. Coding + design
Add your answer

Medium to hard questions based on arrays, dp

Q1. Quick sort algorithm
Ans. 
Quick sort is a popular sorting algorithm that uses divide and conquer strategy.
• Divides array into smaller sub-arrays based on a pivot element

• Recursively sorts sub-arrays

• Combines sorted sub-arrays to get final sorted array

• Time complexity: O(n log n) on average, O(n^2) worst case

• Example: [3, 6, 8, 10, 1, 2, 1] -> [1, 1, 2, 3, 6, 8, 10]
Answered by AI
Add your answer
Q2. Modified rotate a matrix
Ans. 
Rotate a matrix by 90 degrees in place
• Transpose the matrix

• Reverse each row of the transposed matrix
Answered by AI
Add your answer

Q1. Java script, React JS
Add your answer
Q2. Data structures and algorithms
Add your answer

Online Assessment - Technical

Q1. Project Explanation
Add your answer
Q2. SQL performance tuning
Add your answer

Basics of aptitude questions like relation,train,boat, probability,number series , and so on...

String occurrence, array list

Q1. Man crossing a bridge
Add your answer
Q2. Wrong label on the boxes
Ans. 
The wrong label on the boxes can cause confusion and errors in the software development process.
• Ensure proper labeling of boxes to avoid confusion

• Double check labels before using them in the development process

• Communicate with team members to clarify any discrepancies in labeling
Answered by AI
Add your answer

Q1. Tell me about yourself, availability, visa-related questions
Add your answer

Dynamic programming questions, longg time to complete the 2 questions

Problem solving : a clock with 3 hands, no numbers written, guess what it is

It was the ask mostly about DSA