Codenation

We conceive ideas for DevFactory, part of the engineering group of ESW Capital, one of the largest privately held software companies worldwide. In addition to building our own software, we ideate upon and further improvise the products at DevFactory.

Interview Questions

Learn and Practice on almost all coding interview questions asked historically and get referred to the best tech companies.

Problem Title

Exp

Difficulty

Avg. time

Attempted

Upvotes

Allocate Books

Moderate

10 mins

140.7k

1.5 k

Count Inversions

Moderate

40 mins

142.3k

1 k

Painter's Partition Problem

Moderate

25 mins

97.8k

832

Best Time to Buy and Sell Stock

Moderate

20 mins

90.2k

547

Product Of Array Except Self

Easy

26 mins

40.6k

521

Next Smaller Element

Moderate

25 mins

67.8k

441

K Largest Element

Moderate

10 mins

20.5k

441

Convert String

Easy

15 mins

35.3k

300

Longest Consecutive Sequence

Moderate

40 mins

39.8k

262

Trapping Rain Water

Moderate

15 mins

30.6k

252

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Interview Experiences

Gain the Edge You Need at your next technical interview with Coding Ninjas.s unlimited interview problems practices for Codenation

Upvote

Codenation | SDE - Intern | Fresher | Aug 2020

Tushar Amrit

|Level 4

On Campus

Maulana Azad National Ins...

Published on 17 Nov 2020

Upvote

Codenation | SDE - Intern | Fresher | Nov 2019

Anonymous

|Level 1

Off Campus

Delhi Technological Unive...

Published on 17 Nov 2020

Upvote

Codenation | SDE | Fresher | Aug 2021

Published on 15 Jul 2022

Upvote

Codenation | SDE - Intern | Fresher | Oct 2020

Published on 9 Dec 2022

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Guided Paths

Here is your ultimate guide for cracking your dream job interview, you can choose your tracks and start preparing for Codenation

SQL

SQL queries are one of the most frequently asked interview topics, be it at any experience level or any professional software domain roles. We have got you covered with all the topics you need to know/cover for cracking the sql round in any interview with a list of exciting sql problems for your hands on application as well as company specific mcqs, interview questions, industry oriented notes to provide full fledged preparation with an edge over your competitors.