LG Soft India C Developer Interview Questions and Answers

Hacker rank based test , 3 codings from various topics like arrays ,strings , recursion .

Q1. Indepth questions from C/C++,Linux internals
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Q1. Again coding problems and c/c++ theory questions
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FULLY C ++ mcq , time complexity in ds

Q1. C++ programs, encapsulation,polymorphism,virtual
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Nothing much, standard easy DSA.

Q1. Concurrency in C++
Ans. 
Concurrency in C++ allows multiple tasks to run simultaneously, improving performance and efficiency.
• Concurrency in C++ can be achieved using threads, mutexes, condition variables, and atomic operations.

• Threads allow multiple functions to run concurrently within the same program.

• Mutexes are used to protect shared data from being accessed by multiple threads simultaneously.

• Condition variables allow threads to wait for a...read more
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Q2. Operating systems Dive in
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Q3. C++ Internals was stressed
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Q1. Sorting techniques
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Q2. Invert a binary Tree
Ans. 
Invert a binary tree by swapping left and right child nodes recursively.
• Start from the root node and swap its left and right child nodes.

• Recursively invert the left and right subtrees.

• Repeat the process for each node in the tree.

• Example: Original tree - 1 / \ 2 3 Inverted tree - 1 / \ 3 2
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