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    Master SQL concepts in relational database management

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Welcome to HCL GUVI

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Hey there! Welcome to HCL GUVI—Grab Your Vernacular Imprint—where tech learning is easy, fun, and curated specially for you. Incubated by IIT Madras & IIM Ahmedabad in 2014 and now part of HCL Group, we're making quality tech education accessible to all.

Join 3M+ learners breaking barriers and upskilling for a brighter future. We're here to guide you every step of the way! 🚀

LIVE Classes

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Zen Classes are HCL GUVI's most refined and flagship product—live, expert-led tech programs for beginners and pros. With IITM Pravartak affiliations, master Full-Stack, Data Science, DevOps, UI/UX, and more in multiple languages!

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Courses

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Looking for flexibility? HCL GUVI's 200+ self-paced courses let you learn anytime, anywhere! From free lessons to IIT-M & Autodesk-certified programs, gain in-demand skills in your preferred language.

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Practice Platforms

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Enhance your coding skills with HCL GUVI's Practice Platforms—interactive, structured, and designed to help you master programming effortlessly.

CodeKata:

A structured coding practice platform with 1500+ coding problems designed by industry experts. Ideal for beginners and professionals preparing for tech interviews with real-world coding challenges.

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WebKata:

An interactive platform to master HTML, CSS, JavaScript, and Bootstrap with a live coding environment. Perfect for hands-on web development practice without any setup.

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SQLKata:

A practice ground for mastering SQL queries used in real-world applications. Write, optimize, and refine your queries to build strong database skills.

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Debugging:

Hone your bug-fixing skills with real-world debugging challenges in Python, C++, JavaScript, and Golang. More languages coming soon!

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IDE:

A free online compiler supporting 20+ programming languages with auto-complete, debugging, and AI-powered code generation—all in the cloud!

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Leaderboard

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Climb the leaderboard as you earn Geekoins by learning and practicing! The top scorers get featured, making learning competitive and rewarding. Keep going—you could be next!

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Rewards

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Earn Geekoins by watching videos and practicing problems, then redeem them for exciting rewards. The more you engage, the more you win!

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Referral

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Love learning with HCL GUVI? Share it with friends! Invite them using your unique link or code and unlock exciting rewards—Amazon vouchers, iPhones, and more. A Win-Win.

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Profile

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Your HCL GUVI profile is your digital portfolio! Track progress, showcase skills, add projects, and build a resume. Keep it updated—opportunities await!

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That's It! You Are Ready!

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You're all set to dive into your learning journey with HCL GUVI. Explore, upskill, and make each step count—exciting possibilities awaits!

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CodeKata

CodeKata is an interactive platform for programming practice. Offers 1500+ coding problems curated by top IT industry experts. Helps showcase your skills for job recruitment.

Sign up / Login to begin your practice journey!

absolute beginner30
algorithm16
aptitude2
array309
array, list and tuples - tf1
arrays, list and tuples - tf17
backtracking1
bascis1
basic io math - tf63
basics41
binary1
bit manipulation12
bst7
calendar1
collection1
counting1
data structures11
dictionary2
divide and conquer1
dynamic programming14
factorial1
gcd1
graph6
greedy1
guvi-learning-path46
hash1
hashing28
heaps8
Input/Output10
integer2
linked list14
linkedlist4
loop3
Looping14
matematics1
mathematics192
matrix37
memoization1
merge sort1
modulo1
numbers22
pattern1
patterns61
patterns - tf17
permutation1
queue11
recursion6
searching21
segment tree21
series2
set1
sorting38
splay trees2
stack19
strings196
time1
trees and graphs20
tries22
xor1
zen53
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    absolute beginneralgorithmaptitudearrayarray, list and tuples - tfarrays, list and tuples - tfbacktrackingbascis
Question
Acceptance
Difficulty
GeekoinGeekoins
1. Odd or Even Sum
77.66%Easy30
2. Prime Number Check
77.45%Easy30
3. Check Divisibility by 7
90.71%Easy10
4. Next Greater Power of 2
66.08%Easy20
5. Palindrome Check
91.53%Easy30
6. Vowel Check in String
86.42%Easy20
7. Number Range Check
67.88%Easy20
8. Round to Nearest Greater Integer
69.27%Easy30
9. String Middle Element Modification
82.47%Easy20
10. Check if Number is Composite
86.03%Easy20
11. Print Factors of a Number
38.65%Easy30
12. Check Divisibility by 13
95.83%Easy20
13. Perfect Square Product
79.39%Easy20
14. Odd Digits in a Number
68.91%Easy20
15. Ninja Clan Difference
87.6%Easy30
...
Showing 1 to 15 of 1785 results

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ZEN CLASS

LIVE CLASS

Popular Courses

Self-Paced Courses

Practice Platforms

Community

Products

Resources

Company

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HCL GUVI (Grab Your Vernacular Imprint) Geek Network Private Limited is a leading online learning and skills development company, incubated by IIT Madras and IIM Ahmedabad.

Established in 2014 and acquired by the HCL Group in 2022, HCL GUVI is dedicated to providing effective and high-quality learning and skilling programs that transcend language barriers in technology education. HCL GUVI today is trusted by over 3 million learners and 2000+ corporate partners.

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Refer & Earn

HCL GUVI (Grab Your Vernacular Imprint) Geek Network Private Limited is a leading online learning and skills development company, incubated by IIT Madras and IIM Ahmedabad.

Established in 2014 and acquired by the HCL Group in 2022, HCL GUVI is dedicated to providing effective and high-quality learning and skilling programs that transcend language barriers in technology education. HCL GUVI today is trusted by over 3 million learners and 2000+ corporate partners.

app storeplay storeRefer & Earn
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HCL GUVI Geeks Network Pvt. Ltd.

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HCL GUVI Geeks Network Pvt. Ltd.

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