Code Harmony

Register for the FREE webinar - topmate.io/hisahil/1761161

1 month ago | [YT] | 6

Code Harmony

Today’s LeetCode Question ✅
I’ve already prepared a YouTube video for it. You can check it out here:

🎥 Solving LeetCode 2353: Design a Food Rating System | Design Problem | Ordered Set | Amazon

👉 https://youtu.be/mLxQ5uQ1FQI

It’s quite an interesting design problem—don’t miss it! 🚀

2 months ago | [YT] | 0

Code Harmony

✅ Solved LeetCode 966: Vowel Spellchecker (Medium)

This was today’s LeetCode Daily Challenge! 🔥
Problem is about handling exact, case-insensitive, and vowel-masked matches.

Here’s my solution with detailed comments 👉 leetcode.com/problems/vowel-spellchecker/submissio…


🎥 I’ll also be uploading a video explanation soon — stay tuned!

3 months ago | [YT] | 2

Code Harmony

✅ Today’s LeetCode Daily Challenge: 36. Valid Sudoku

I solved the problem by applying the basic rules of Sudoku and leveraging the power of the HashTable data structure to efficiently validate rows, columns, and 3x3 sub-boxes.

🔗 My Submission: LeetCode - Valid Sudoku
leetcode.com/problems/valid-sudoku/submissions/175…

💬 Got any doubts or want to discuss the approach?
Join the discussion in our Discord community: discord.com/invite/p3vtnzFbn5

Let’s keep solving and learning together 🚀

3 months ago | [YT] | 4

Code Harmony

With deep sorrow, I share that I lost my father yesterday evening. Please keep him in your prayers. 🙏🙏💔


Sahil

5 months ago | [YT] | 16

Code Harmony

🎉 Channel Memberships are now live on Code Harmony! 🧡

Hey everyone!
I’ve added YouTube memberships to the channel so you can support the content and unlock some cool perks like:

💬 Members-only chat rooms
📣 Shout-outs during videos
🎥 Exclusive live streams

There are two plans:

* Explorer – ₹29/month
* Conqueror – ₹59/month (includes all perks)

If you’ve been learning from the videos and want to support the journey, this is a great way 🙌

👉 Join here : youtube.com/@CodeHarmonyDev/join
Or visit: www.codeharmony.dev

Thank you for all the love ❤️
— Sahil

5 months ago (edited) | [YT] | 5

Code Harmony

Dear everyone,

Due to a family emergency and my father’s critical health condition, I will be inactive on YouTube for some time.
Thank you for your understanding and support during this difficult period. 🙏
I’ll be back as soon as possible.

Take care,
Sahil

7 months ago | [YT] | 10

Code Harmony

🔥 Congratulations to all who have earned 100 Days badge for 2025 on LeetCode!

Let's keep growing and solving together 🙌

#CodeHarmony #100DaysOfCode #LeetCode

8 months ago | [YT] | 11

Code Harmony

Leetcode Problem 1749 - Maximum Absolute Sum of Any Subarray!

Hi everyone! I've already uploaded today's Leetcode challenge—check out the video here:
https://youtu.be/9eswigiGTUQ


Application of Kadane’s Algorithm. This is a frequently asked question in MAANG interviews and an important concept for optimizing subarray problems.


In this video, I cover:
✔ The intuition behind the problem
✔ How Kadane’s Algorithm helps in finding the maximum absolute sum
✔ Edge cases and optimizations


Feel free to ask if you have any questions. Thanks!

9 months ago (edited) | [YT] | 1

Code Harmony

🚗✨ Hey Code Harmony Community!

Wishing you all a Merry Christmas! 🎄🎅

I wanted to let you know that I won’t be posting any videos for the next 2–3 days as I’m on an exciting road trip to Himalayas! 🌄 Taking some time to recharge and enjoy the journey.

If I get some downtime during the trip, I’ll try to solve a few LeetCode questions and share my solutions here. In the meantime, I hope you all enjoy your weekend or yearend plans, whether it’s coding, relaxing, or your own adventures! :)

Stay tuned, and I’ll be back soon with more content. Until then, happy coding and have fun! 💻✨


#leetcode #roadtrip #codeharmony

11 months ago (edited) | [YT] | 4