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Cvent interview experience Real time questions & tips from candidates to crack your interview

Cvent

4 rounds | 5 Coding
problems

Preparation

Duration: 8 months

Topics: OOPS, DBMS, OS, Data Structures, System Design, Algorithms

Tip

Tip 1 : Revise everything you have written on your resume, Specially projects and skills.

Tip 2 : Do not rush into the optimal solution (unless directly asked) if you have already solved

the question, always give a quick brute force approach followed by optimizations.

Tip 3 : While coding, use meaningful variable names and write modular code.

Application process

Where: Campus

Eligibility: Above 7 CGPA

Resume tip

Tip 1 : Mention only those things which you actually know and have worked on the same.

Tip 2 : Mention project links in the resume.

01

Round

Easy

Online Coding Interview

Duration60 Minutes

Interview date8 Oct 2020

Coding problem1

It was an Aptitude Round, conducted in the morning.

The time given was more than enough. Most of the questions were easy, just basic knowledge

is enough. There was no negative marking in this round.

A system has 3 processes sharing 4 resources. If each process needs a maximum of 2 units then

a. deadlock can never occur

b. deadlock may occur

c. deadlock has to occur

d. None of these

Problem approach

Tip 1 : Do a thorough practice of the topics like OS, DBMS, System Design and DSA.

Tip 2 : Practice questions from the internet.

02

Round

Hard

Online Coding Interview

Duration60 Minutes

Interview date9 Oct 2020

Coding problem1

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Problem approach

Step 1 : I had first taken two pointers, left and right initially pointing to the first element of the string s.

Step 2 : Then I used the right pointer to expand the window until I got a desirable window i.e. a window that contained all of the characters of t.

Step 3 : Once I had a window with all the characters, I moved the left pointer ahead one by one. If the window was still a desirab...

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03

Round

Medium

Online Coding Interview

Duration60 Minutes

Interview date10 Oct 2020

Coding problem1

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Problem approach

Step 1 : I started with brute force and then gave him the optimal approach. Time and space complexities

were discussed for each solution. He asked me to code the optimal one.

Step 2 : So here is the algorithm I used to solve the question.

1. I started traversing the tree from the root node.

2. If the current node itself was one of p or q, I marked a variable mid as True and continue...

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04

Round

Easy

Online Coding Interview

Duration45 minutes

Interview date13 Oct 2020

Coding problem2

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Problem approach

Step 1 : I used the intuition that if any cell of the matrix has a zero we can record its row and column number. All the cells of this recorded row and column can be marked zero in the next iteration.

Step 2 : Then I applied this intuition to find the index of all the zeros present in the matrix and stored them in an array. Then converted all the required elements to zero accordingly.

Ste...

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Problem approach

Step 1 : Firstly I approached by brute force. I ran 2 loops with variables i and j. Compared str[i] and str[j]. If they became equal at any point, returned false. The time complexity of this approach was O(n2) (i.e. n squared).

Step 2 : Then I optimized it using sorting. In this I sorted the string with respect to the ASCII values of the characters. The time complexity in this case came out ...

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Here's your problem of the day

Solving this problem will increase your chance to get selected in this company

What is the output of print 0.1 + 0.2 == 0.3?

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