Round 1: Aptitude and Coding • Format: Conducted on Hacker Earth • Content: o General Aptitude: Questions covering various topics. o CS Core Topics: Database (SQL queries), Computer Networks, Operating Systems, Object-Oriented Programming (C++), Pointers (double and triple pointers), and conflicting increments/decrements in the same line of code (e.g., y = x++ * --x). o Coding Questions: Three questions:  One basic array problem.  One graph problem with a loophole solvable by finding prime factors.  A combination of sets and arrays.