Written round had 3 questions, Circular array based and on finding string in given file. Interviewer as me to explain code which I wrote. All C++ basics like copy constructor assignment operator virtual functions vptr vtable runtime polymorphism templates GDB debugging friend functions
How does a TCP traceroute work?
Questions related to virtual memory and memory allocation in C++
1. Sort array with ones and zeros. This was the most "complicated" part. 2. Complexity of insert/delete/find in double linked list, binary tree. Complexity of sort of array of numbers, of sorted array of numbers. 3. Questions like what order ctors/dtors work. 4. Some crap with 2 classes having static shared ptr for kernel object, where kernel was class poorly written. Like what's wrong with the code was the question. 5. int x; int &j; j=x; What's wrong? Reference should be assigned to a variable when declared actually. Other questions very primitive.
One question about using semaphone to achieve threads synchronization.
What are you doing in your current role? What is the time requirement? How do you achieve the time requirement? How to find out cause of an internet communication failure?
Tech Interview1 was mainly about basic knowledge. Tech Interview2 was mainly about order, trading, etc. Personally I don't have any related experience in a trading company, so my prep for the interview was totally wrong.
The answer was related to Graph data structure
What was your role in last project? Test on undergraduate level knowledge (C, C++, Data structure, Algorithims, OS, Linux, computer architecture) Hand-written coding test
Design a parking garage with 3 different sizes
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