Automotive Robotics (India) Engineer III Interview Questions and Answers

General Aptitude test and 3 Medium level coding questions

Q1. Sortr an array of 0,1
Ans. 
Sort an array of 0s and 1s
• Use a sorting algorithm like counting sort or two-pointer approach

• Count the number of 0s and 1s and then reconstruct the array

• Example: Input array = ['0', '1', '0', '1', '1'], Output array = ['0', '0', '1', '1', '1']
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Q2. Matrix traversal in spiral Manner
Ans. 
Matrix traversal in spiral manner involves visiting each element of a matrix in a spiral order.
• Start by traversing the outermost layer of the matrix from top left to top right, then top right to bottom right, bottom right to bottom left, and finally bottom left to top left.

• Continue this process for the inner layers until all elements are visited.

• Keep track of the boundaries of the matrix to know when to switch directio
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Q1. Polymorphism in C++
Ans. 
Polymorphism in C++ allows objects of different classes to be treated as objects of a common superclass.
• Polymorphism is achieved through function overloading and virtual functions.

• Function overloading allows multiple functions with the same name but different parameters.

• Virtual functions are functions in a base class that are overridden in derived classes.

• Example: Animal class with virtual function 'makeSound', Cat and
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Q2. Standard template library in C++

Ans. 

STL in C++ provides reusable algorithms and data structures for efficient programming.

• STL includes containers like vector, list, map, algorithms like sort, find, and iterators.

• Example: vector v = {1, 2, 3}; sort(v.begin(), v.end());

• STL saves time by providing pre-implemented solutions for common programming tasks.

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