Punjab Engineering College (PEC) Placement Interview Questions

Round duration - 120 minutes
Round difficulty - Medium

It was a mix of mathematical aptitude, logical ability, and puzzles along with 2 programming questions of easy and medium level. Time was enough and no sectional time was present. 1-2 mcqs on SQL were also present.

This round was immediately followed by an SHL aptitude test which was basically a quick limited time check of your verbal ability and maths because many questions were to be done in 1 hour.

• Q1. Matrix Transformation Problem Statement Given a 2-dimensional matrix of size NxN containing 0s and 1s, the task is to modify the matrix such that, if an elemen...read more
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Round duration - 55 minutes
Round difficulty - Medium

It was an online video interview round on HackerEarth with simultaneous code option. It was mostly justifying your resume in the first 15 minutes. After that OOPS was majorly asked. Basics of programming including questions on STL were asked. A class which required inheritance was asked by the interviewer to write. I was helped by the interviewer if i got stuck somewhere, Some questions on implementation of hashmaps and priority queues were also asked. A puzzle was asked which luckily struct to me at that moment.