Veritas Interview Experience | Set 1 ( On Campus )

Veritas visited our college for campus hiring. The selection process included aptitude tests, 2 tech interviews, and an HR interview.

The aptitude test was on hackerrank. It had 20 MCQs based on cs concepts (database:btree, os, HTML form one que), basic math (no of solutions for p^2 = n+q^2 ), etc and 2 coding questions. There was negative marking for MCQs and solving one coding question was important.

1st tech interview (1Hr):
They asked me which languages I am comfortable with. I chose C and Java.

• Reverse a singly linked list.
• Implementation of strlen function in string.h
• Implementation of strcmp using pointer
• OOPs concepts with explanation and example
• Storage classes in C
• Access specifiers in Java
• Difference between string and char array in c.
• bubble sort code
• Function with variable length arguments
• Function overloading error: what will happen if overloaded functions have same arguments but different return type
• delete a node in linked list given a pointer to the node(node is not tail)
• References in java
• Collection classes
• rval, lval
• Have you done any system level coding. I said assembler program and compiler theory.
• Abstract classes and interface difference.
• Why main is not private in Java?
• How to given arguments to program while running it?
  Ans: cmd line arguments can be accepted as strings
• Puzzle: 10 coins are given. one coin has less weight. find the coin in 3 iterations.

2nd tech interview (1hr 15 min):
They asked my favourite topics. I said Data structures and DBMS.

• basic python questions strcmp
• Function is given string arguments which are names of function of a class call those functions from this function. eg. consider function as fun(method1,method2) and class is c so fun should call method1 of class c.
  I didn’t know the answer.
• Inorder tree traversal using recursion and iterative.
• Data structures for BFS, DFS.
• Given an array of elements (millions of elements) return the second highest occurring element.
• you are given a string say “this is a book” and reverse function and output should be “book a is this”
  Ans:reverse string and then reverse every word.
• Order of compilation, relocation, linking and loading
  Examples of polymorphism
• Which data structure can be used to reverse words in file?
  int arr[5]; printf(“%u%u”,arr+1,&arr+1); output?
  They asked me if I knew Perl. I said no.

HR interview:
Background, Areas of interests(technical), Why Veritas?, What do you know about Veritas?

Finally, they selected 9 people out of 29 and I was one of them.
Thanks to GeeksforGeeks!!!!

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