Delhi College of Engineering (DCE), Delhi
What if you can't knock at your Delhi College of Engineering (DCE), Delhi seniors' door for advice? Read their placement interview questions and crack your next interview. 🏆
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Filter interviews byDelhi College of Engineering (DCE), Delhi Placement Interview Questions
Updated
14 Jan 2025
151 interviews found
I was interviewed in Feb 2021.
3 Interview Rounds
1
Coding Test Round (2 Questions)
Round duration - 75 minutes
Round difficulty - Easy
This round was conducted in Hackerrank portal for a total duration of 75 minutes and was divided into 4 sections.
1st Section : Aptitude Section : 14 questions , 28 minutes
2nd Section : Technical Section : 12 questions , 17 minutes
3rd Section :1 coding Questions : 20 minutes+30 minutes
This Round was Conducted on Hackerrank (Webcam Enabled).
- Q1. Container with Most Water Problem Statement Given a sequence of 'N' space-separated non-negative integers A[1], A[2], ..., A[i], ..., A[n], where each number i...read more
- Q2. Maze Obstacle Problem Statement Given an N * M grid representing a maze with obstacles, compute and return the total number of distinct paths from the top-left...read more
2
Face to Face Round (2 Questions)
Round duration - 100 minutes
Round difficulty - Medium
This was an Online F2F Technical Round conducted on CodePair : Hackerrank. So, Basically You have to Run and Submit ( Pass All Test cases) in the Interview Round also (Like normal Coding Test) in Codepair : Hackerrank & along with that You should have to explain your Code and Approach to the Interviewers.
The Interviewers were helpful and didn't hesitate in giving hints.
Timing - 10:00 A.M to 12:00 P.M
- Q1. Minimum Fountains Activation Problem In this problem, you have a one-dimensional garden of length 'N'. Each position from 0 to 'N' has a fountain that can prov...read more
- Q2. Minimize Cash Flow Problem You are provided with a list of 'transactions' involving 'n' friends who owe each other money. Each entry in the list contains infor...read more
3
HR Round
Round duration - 30 minutes
Round difficulty - Easy
This was a Telephonic Round (Audio Call). The HR was friendly and asked basic questions.
The timing was 2:00 PM to 2:30 PM.
Interview Preparation Tips
Professional and academic backgroundI completed Computer Science Engineering from Delhi Technological University. I applied for the job as SDE - 1 in NoidaEligibility criteriaAbove 8 CGPAPaytm (One97 Communications Limited) interview preparation:Topics to prepare for the interview - Dynamic Programming, OOPS, Computer Networks, Computer System Architecture, Operating System, Data Structures, PointersTime required to prepare for the interview - 2 monthsInterview preparation tips for other job seekers
Tip 1 : Make sure that you are thorough with CS concepts beforehand.
Tip 2 : Even when you are explaining the approach to a question, try to parallelly think about how you would code it.
Tip 3 : Read the previous interview experiences. It would give a fair idea of the kind of questions one should expect.
Tip 4 : Try practicing medium difficulty level coding questions more.
Tip 5 : Practice atleast 200 questions from coding platforms like CodeZen, LeetCode, Interviewbit as they contain common interview questions.
Tip 1 : Mention atleast 1 project and past work experience as it sets good impression.
Tip 2 : Keep your resume up to date for the role you are applying.
Tip 3 : Try to keep your resume of 1 Page.
Interview experience
Average
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Yes, I joined the company
I applied via Campus Placement and was interviewed before Aug 2022.
4 Interview Rounds
1
Resume Shortlist Round
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
2
Aptitude Test Round
Consisting of English reasoning subject related questions
3
Group Discussion Round
Any current topic will be given to a group
4
HR Round (1 Question)
- Q1. 1. Tell me about yourself 2. What are you key skills strengths weakness 3. technical questions related to subject 4. Favourite subject
I was interviewed in Jan 2021.
3 Interview Rounds
1
Coding Test Round (2 Questions)
Round duration - 90 minutes
Round difficulty - Medium
2 Coding problems , MCQs (CS related, ML related)
- Q1. Connect Nodes at Same Level Problem Statement An assignment is to link adjacent nodes at the same level in a binary tree. Each node in a binary tree has at mos...read more
- Q2. Loop Detection and Removal in Linked List In a singly linked list, detect if a loop exists and remove the loop if present. Modify the linked list directly to e...read more
2
Face to Face Round (2 Questions)
Round duration - 60 minutes
Round difficulty - Medium
2 Coding problems, No compilation of code. Only pseudocode required
- Q1. Median of Two Sorted Arrays Given two sorted arrays A and B of sizes N and M , find the median of the merged array formed by combining arrays A and B . If the ...read more
- Q2. Extracting Leaf Nodes from a Binary Tree Given a binary tree, develop a solution to retrieve a list of all the leaf nodes in the order they appear from left to...read more
3
Face to Face Round (2 Questions)
Round duration - 40 minutes
Round difficulty - Hard
OS-CN fundamentals
- Q1. What is a peer-to-peer connection?
- Q2. What are some key concepts related to virtual memory, and can you discuss any follow-up questions that may arise from them?
Interview Preparation Tips
Professional and academic backgroundI completed Software Engineering from Delhi Technological University. Eligibility criteriaComputer related branchesAlphaSense, Inc. interview preparation:Topics to prepare for the interview - DBMS, Data Structures and Algorithms , OOP, Maths puzzles, Aptitude, OS,CNTime required to prepare for the interview - 9 monthsInterview preparation tips for other job seekers
Tip 1 : Never leave any topic from any chapter / Subject
Tip 2 : Learn to explain your thoughts well
Tip 3 : Learn from previous experiences / interviews / problems asked.
Tip 4 : Atleast 4 projects in Resume
Tip 1 : Atleast 4 projects on Resume
Tip 2 : Do not write false things. You always get caught. Be genuine.
I was interviewed in Jan 2021.
2 Interview Rounds
1
Coding Test Round (1 Question)
Round duration - 30. minutes
Round difficulty - Easy
It was in the evening, question were moderate
- Q1. Count Subsequences Problem Statement Given an integer array ARR of size N , your task is to find the total number of subsequences in which all elements are equ...read more
2
Coding Test Round (1 Question)
Round duration - 30 minutes
Round difficulty - Easy
It was in the night around 9:00 PM.
- Q1. Pair Sum Problem Statement You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements...read more
Interview Preparation Tips
Professional and academic backgroundI completed Computer Science Engineering from Delhi Technological University. I applied for the job as Software Engineer in DelhiEligibility criteriaNo percentage criteria(good in aptitude)Vertiv Co interview preparation:Topics to prepare for the interview - Array, oops, algorithms, data structures, stackTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers
Tip 1 : Learn new things daily
Tip 2 : Practice questions
Tip 3 : Keep one question in mind to solve.
Tip 1 : Description about your skills
Tip 2 : Project details
I was interviewed in Jan 2021.
4 Interview Rounds
1
Coding Test Round (2 Questions)
Round duration - 90 minutes
Round difficulty - Hard
Online coding round , 2-3 questions. Level - med-hard
- Q1. Fibonacci Number Verification Identify if the provided integer 'N' is a Fibonacci number. A number is termed as a Fibonacci number if it appears in the Fibonac...read more
- Q2. Break The Board Problem Statement Your task is to break a board of given dimensions 'L' by 'W' into 'L' * 'W' smaller squares, ensuring the total cost of break...read more
2
Telephonic Call Round (1 Question)
Round duration - 60 Minutes
Round difficulty - Medium
2 interviewers , coding problem, no compilation.
- Q1. Minimum Number Of People To Teach Ninja has started a social networking site called Ninjas Space. The platform consists of ‘N’ users and supports ‘M’ different...read more
3
Face to Face Round
Round duration - 40 minutes
Round difficulty - Medium
CS fundamentals. Tough round. 40 mins interview. 1 interviewer from USA
4
Face to Face Round (1 Question)
Round duration - 40 minutes
Round difficulty - Hard
System Design Problem
- Q1. Design a Facebook-like application.
Interview Preparation Tips
Professional and academic backgroundI completed Software Engineering from Delhi Technological University. I applied for the job as SDE - 1 in BangaloreEligibility criteriaComputer related BranchTwitter interview preparation:Topics to prepare for the interview - DBMS, Data Structures and Algorithms , OOP, Maths puzzles, Aptitude , CN, OSTime required to prepare for the interview - 9 MonthsInterview preparation tips for other job seekers
Tip 1 : Never leave any topic from any chapter / Subject
Tip 2 : Learn to explain your thoughts well
Tip 3 : Learn from previous experiences / interviews / problems asked.
Tip 4 : Atleast 4 projects in Resume
Tip 1 : Atleast 4 projects on Resume
Tip 2 : Do not write false things. You always get caught. Be genuine.
I was interviewed in Dec 2020.
3 Interview Rounds
1
Coding Test Round (2 Questions)
Round duration - 60 minutes
Round difficulty - Medium
This round was held on Hackerearth from 2:00 PM to 3:00 PM
This round had 2 questions of easy/medium difficulty. Both were based on concepts of DP.
The use of offline IDE was prohibited so we were supposed to code it on Hackerearth IDE itself.
- Q1. Min Steps to One Using Dynamic Programming Given a positive integer N , your task is to determine the minimum number of steps required to reduce N to 1. Allowe...read more
- Q2. Longest Palindromic Substring Problem Statement You are provided with a string STR of length N . The goal is to identify the longest palindromic substring with...read more
2
Video Call Round (2 Questions)
Round duration - 45 minutes
Round difficulty - Medium
The round was held on Google Meet and I was given 2 coding problems for which first I had to explain my approach and then I had to write code in Shared Google Docs and dry run on sample test cases and discuss Time and Space Complexity.
There were 2 interviewers and both were very friendly and helpful and tried to bring us to our comfort level first.
- Q1. Boyer Moore Algorithm for Pattern Searching You are given a string text and a string pattern . Your task is to find all occurrences of pattern in the string te...read more
- Q2. Median in a Stream Problem Statement Your task is to determine the median of integers as they are read from a data stream. The median is the middle value in th...read more
3
Coding Test Round (3 Questions)
Round duration - 90 minutes
Round difficulty - Hard
This round was also virtual. It has some difficult questions when compared to the previous rounds.
This was also held on Google Meet with shared docs for writing code.
There were 2 interviewers and both were helpful.
- Q1. Shortest Alternate Colored Path Problem Given a directed graph consisting of 'N' nodes labeled from '0' to 'N-1'. Each edge in the graph is colored either 'red...read more
- Q2. Spell Checker Problem Statement You are provided with a list of strings, DICTIONARY[] , representing the correct spellings of words, and a query string QUERY t...read more
- Q3. The Skyline Problem Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette w...read more
Interview Preparation Tips
Professional and academic backgroundI completed Computer Science Engineering from Delhi Technological University. I applied for the job as SDE - 1 in BangaloreEligibility criteriaNo CriteriaGoogle interview preparation:Topics to prepare for the interview - Data Structures - Trie, HashMap, Sets, Priority Queue, Stack, Advanced Topics like Fenwick Tree, Segment Trees, Game Theory, Dynamic Programming, Union Find, Graph Algorithms, BitmasksTime required to prepare for the interview - 5 monthsInterview preparation tips for other job seekers
Tip 1 : Reading other’s interview experiences is one of the best ways to get yourselves ready for the next job interview. Practice daily atleast 5 questions.
Tip 2 : Most commonly asked topics in Google Interviews ( as per the mail I received from my recruiter ) :
BFS/DFS/Flood fill, Binary Search, Tree traversals, Hash tables, Linked list, stacks, queues, two pointers/sliding window
Binary heaps, Ad hoc/string manipulations.
Tip 3 : Highly recommended sites for practicing questions ( usually practice medium and hard level questions) -
Leetcode (highly encouraged)
Geeksforgeeks (highly encouraged)
CodeZen( highly encouraged)
Codeforces
Tip 1 : Mention past working experience in detail as how you were important to your previous company.
Tip 2 : Try to keep your resume to 1 page if work experience < 5 years
Tip 3 : Update your resume according to role you are applying for and never put false things on resume.
Interview experience
Good
Difficulty level
Easy
Duration
2-4 weeks
Result
Yes, I joined the company
I applied via Campus Placement and was interviewed before Dec 2021.
3 Interview Rounds
1
Resume Shortlist Round
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
2
HR Round (1 Question)
- Q1. Introduction Faimly background They hire needy people
3
Technical Round (3 Questions)
- Q1. Basics electrical Engineering Past internship Transformer, Power electronics, switchgear
- Q2. Past internship Transformer Motors Machines
- Q3. Past internship Motor Scr Triac
Interview Preparation Tips
Interview preparation tips for other job seekers - Enrich core electrical and mechanical
Revise internship
Revise internship
Interview experience
Good
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Yes, I joined the company
I applied via Campus Placement and was interviewed before Jul 2022.
4 Interview Rounds
1
Resume Shortlist Round
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
2
Aptitude Test Round
Level very similar to MBA exam, focus on accuracy
3
Case Study Round
Gustimate followed by a case study, just like any other management consulting interview.
4
Case Study Round
Same as round 2, but with a senior person. More in-depth
I was interviewed in Nov 2020.
3 Interview Rounds
1
Coding Test Round (2 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 Substring with At Most K Distinct Characters Given a string S of length N and an integer K , find the length of the longest substring that contains at ...read more
- Q2. Find the Duplicate Number Problem Statement Given an integer array 'ARR' of size 'N' containing numbers from 0 to (N - 2). Each number appears at least once, a...read more
2
Video Call Round (2 Questions)
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 Problem Statement Ninja has a binary string S of size N given by his friend. The task is to determine if it's possible to sort the bina...read more
- Q2. Split the String Problem Statement You are given a string str consisting of N lowercase alphabets. Your task is to determine if it is possible to divide the st...read more
3
HR Round
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.
Interview Preparation Tips
Professional and academic backgroundI completed Computer Science Engineering from Delhi Technological University. I applied for the job as SDE - Intern in HyderabadEligibility criteriaabove 7.5 cgpa, CS/IT branches were preferredMorgan Stanley interview preparation:Topics to prepare for the interview - Data Structures and Algorithms, Arrays, Linked List, Pointers, OOPS, System Design, Algorithms, Dynamic Programming, greedy algorithmsTime required to prepare for the interview - 10 monthsInterview preparation tips for other job seekers
Tip 1 : practice on gfg and coding ninjas
Tip 2 : compete on codechef and codeforces
Tip 3 : learn DSA and practice regularly
Tip 1 : Not more than 1 page
Tip 2 : Have atleast 3 projects with some achievement in coding contest and your coding handle should be mentioned like codechef, codeforces etc
Tip 3 : Try to keep only those things in resume in which you find yourself comfortable with
I was interviewed in Oct 2020.
4 Interview Rounds
1
Coding Test Round (3 Questions)
Round duration - 75 minutes
Round difficulty - Medium
The test had 3 questions which had to solved in 75 minutes.The test was of medium difficulty.
- Q1. Meeting Rooms Allocation Problem Statement Stark Industry is planning to organize meetings for various departments in preparation for Stark Expo. Due to limite...read more
- Q2. Maximize XOR Value You are provided with an integer X and are tasked with identifying an integer Y such that the bitwise XOR operation between X and Y yields t...read more
- Q3. Minimize Maximum Difference Between Adjacent Elements You are provided with a non-decreasing array and an integer K. Your task is to remove exactly K elements ...read more
2
Video Call Round (3 Questions)
Round duration - 60 minutes
Round difficulty - Easy
The interview was taken by SDE2 and she was very friendly. All the questions asked were related to DS and algo. The first 10 minutes were used for introductions and the last 5 minutes were reserved for any questions that I have. Always try to ask meaningful questions at the end of the interview.
- Q1. Frequency in a Sorted Array Problem Statement Given a sorted array ARR and a number X , your task is to determine the count of occurrences of X within ARR . No...read more
- Q2. Rotting Oranges Problem Statement You are given a grid containing oranges where each cell of the grid can contain one of the three integer values: 0 - represen...read more
- Q3. Clone Linked List with Random Pointer Problem Statement Given a linked list where each node has two pointers: one pointing to the next node and another which c...read more
3
Video Call Round
Round duration - 60 minutes
Round difficulty - Medium
The focus of this round was mainly on my projects and internships. It was taken by a Senior SDE and it more of a technical interaction. I was asked in-depth about my projects and most of the questions asked around OS/DBMS were based on my projects.
The interviewer wanted to judge whether I have core knowledge about subjects like OS and DBMS and also about the projects that I had done.
4
HR Round
Round duration - 60 minutes
Round difficulty - Easy
It was the culture fit round taken by the Director of Engineering.
Interview Preparation Tips
Professional and academic backgroundI completed Computer Science Engineering from Delhi Technological University. I applied for the job as SDE - 1 in GurgaonEligibility criteriaNoneUrban Clap interview preparation:Topics to prepare for the interview - Data Structures, OOPS, Dynamic programming, Algorithms, DBMS, OSTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers
Tip 1 : Learn the concepts, not the solutions.
Tip 2 : You should have deep knowledge about the projects mentioned in your resume.
Tip 1 : Resume should be only 1 page.
Tip 2 : Try to tell a story through your resume. For eg - always mention the impact or scale of your projects/internship.
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