Punjab Engineering College (PEC) Placement Interview Questions

Round duration - 90 minutes
Round difficulty - Easy

The round was conducted on the HackerRank platform. It was conducted in the morning from 12:00 pm to 1:30 pm.
The only requirement was a stable internet connection.

• Q1. Valid Parentheses Problem Statement Given a string 'STR' consisting solely of the characters “{”, “}”, “(”, “)”, “[” and “]”, determine if the parentheses are ...read more
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• Q2. Date Reformatting You have a string 'S' representing a date in the "Day Month Year" format, where: Day is one of {"1st", "2nd", "3rd", ..., "29th", "30th", "31...read more
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Round duration - 60 Minutes
Round difficulty - Medium

It was conducted in the morning, at around 8 am, and was conducted on the Blue Jeans Platform. It was an online video interview, where the interviewer asked me 2 questions related to DSA.

• Q1. Distinct Islands Problem Statement Given a two-dimensional array/list consisting of integers 0s and 1s, where 1 represents land and 0 represents water, determi...read more
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• Q2. Count and Say Sequence Problem The 'Count and Say' sequence is a series of strings in which each consecutive term is generated by describing the previous term....read more
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Round duration - 30 minutes
Round difficulty - Medium

This round was conducted after the first round in the morning. It was conducted at 10:00 am.

• Q1. Distribute Items Problem Statement Calculate the number of ways to distribute a given number of items 'N' among three people such that each person gets at leas...read more
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Round duration - 45 minutes
Round difficulty - Medium

This was an HR round and was conducted on the same day at around 12:00 pm