Delhi College of Engineering (DCE), Delhi Placement Interview Questions

Round duration - 100 minutes
Round difficulty - Medium

Test started at 04:00 PM sharp and complete the same by 06:00 PM.
The test duration is 100 minutes.
Environment (Amcat) is user friendly and understandable.
Web cam and microphone were also enabled.

• Q1. Longest Sub-string with at most K Distinct Characters You are given string S of length N, and an integer K. Your task is to find the length of the longest subst...read more
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• Q2. Find Duplicate You have been given an integer array/list(ARR) of size N which contains numbers from 0 to (N - 2). Each number is present at least once. That is,...read more
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Round duration - 40 minutes
Round difficulty - Hard

This round was conducted on skype platform. I was shared the invitation link one day prior to the interview and also was told the name of my interviewer. I looked at the profile of the interviewer at linked.in and got a better understanding of what kind of person he was and prepared accordingly. The round was scheduled at 3 :00 pm on 5th Nov and I was eagerly waiting for the clock hands to reach 3 o'clock since morning and finally I went in front of him after wearing a white shirt and a black coat over it along with a tie over it.

• Q1. Ninja and BInary String Ninja is given a binary string ‘S’ of size ‘N’ by his friend, the task is to check if the binary string ‘S’ can be sorted in decreasing ...read more
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• Q2. Split the String You are given a string ‘str’ of ‘N’ lowercase alphabets. Your task is to check whether it is possible to split the given string into three non-...read more
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Round duration - 40 minutes
Round difficulty - Easy

This round was scheduled on 15th Nov, almost after 10 days of the previous technical round. I got the confirmation of passing the previous round on 11th Nov and was asked to appear in this final round which was scheduled on 15th Nov at 11:00 am in the morning and it was going to be an HR round which probably was my favourite among all the other rounds. I prepared for by reading interview experiences available at coding ninjas and geeksforgeeks.

• Q1. Basic Puzzles This puzzle usually seems like a tough one to answer, but solving it once makes one realize that the procedure was actually simple. If the candida...read more
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