CodingNinja

Prepare for the next coming technical interviews with my YouTube channel! I have more than 400 videos and You can get solution codes for free.

[CodingNinja @CodingNinjaAZ]

If you want to watch medium or hard videos ad-free, please join the membership.

If you skip Starbucks tomorrow, you can use that money to pay for a whole year of membership. USD $0.61 per month as of Aug 26, 2025

Membership Link https://t.co/COgPT6QtS0

[CodingNinja @CodingNinjaAZ]

LeetCode 345: Reverse Vowels of a String | Two Pointer Solution in Python
https://t.co/FBBm6JWXxe

[CodingNinja @CodingNinjaAZ]

Can You Solve LeetCode 1262? Greatest Sum Divisible by Three
https://t.co/CBkADagXnj

[CodingNinja @CodingNinjaAZ]

LeetCode 3622. Check Divisibility by Digit Sum and Product | 2 minute Solution
https://t.co/4ThsgGS5Bu

[CodingNinja @CodingNinjaAZ]

LeetCode 3471. Find the Largest Almost Missing Integer | Easy Step-by-Step Solution
https://t.co/CXRdCVugKn

[CodingNinja @CodingNinjaAZ]

LeetCode 378: Kth Smallest Element in a Sorted Matrix | Binary Search Python Solution - Coding Only
https://t.co/6dQwTYJ7Sx

[CodingNinja @CodingNinjaAZ]

LeetCode 3090. Maximum Length Substring With Two Occurrences. This is classic sliding window problem.
https://t.co/lCKYJRFOSm

[CodingNinja @CodingNinjaAZ]

LeetCode 877: Stone Game - Why Alice Always Wins! (Mathematical Strategy & Solution) - Coding Only
https://t.co/gwDEP5YbTh

[CodingNinja @CodingNinjaAZ]

LeetCode 1260 - Shift 2D Grid | Python Solution | O(m×n) Explained

https://t.co/OFcKN5pRN4

[CodingNinja @CodingNinjaAZ]

LeetCode 220: The Question That Destroys FAANG Candidates - Coding Only
https://t.co/S11dkiqaG5

[CodingNinja @CodingNinjaAZ]

Stop Building Strings! Solve LeetCode 3754 Like This
https://t.co/U5H0kp9CWz

[CodingNinja @CodingNinjaAZ]

Find All Duplicates in an Array - LeetCode 442 - Python (In-Place Negation Trick!) - Only Coding

https://t.co/GSHXbMz3Sq

[CodingNinja @CodingNinjaAZ]

LeetCode 64 - Minimum Path Sum | Google Coding Interview Question | Coding Only
https://t.co/skWelkyiDo

[CodingNinja @CodingNinjaAZ]

LeetCode 773 - Sliding Puzzle
https://t.co/bNWgeXGuVV

[CodingNinja @CodingNinjaAZ]

Find bugs for Add Two Numbers - LeetCode 2

https://t.co/KiqTIHqtWL

[CodingNinja @CodingNinjaAZ]

LeetCode 5 Longest Palindromic Substring
https://t.co/FuDR37mkhb

[CodingNinja @CodingNinjaAZ]

It’s a simple problem, but I think it’s a great mental exercise.

I also skipped the long explanation part everyone hates and focused only on the code 🙂

https://t.co/YN4ItUjLAW

[CodingNinja @CodingNinjaAZ]

Visualized today's LeetCode Daily Question: 1306. Jump Game III! 🚀

https://t.co/gF3lZwZaaH

[CodingNinja @CodingNinjaAZ]

💡 Can you solve LeetCode 238 (Product of Array Except Self) WITHOUT using the division operator? Here is a step-by-step visualization of the O(n) Time / O(1) Space optimal solution using Prefix & Suffix products! 🔥

https://t.co/WVFwaV6RII

[CodingNinja @CodingNinjaAZ]

Visualizing LeetCode #1: Two Sum in 20 seconds! 🚀Stop using nested loops! 🚫 By using a Hash Map, we can reduce the time complexity from O(n^2) to O(n). This animation shows exactly how we store seen values to find the "complement" instantly.

https://t.co/F6C33mfSNK

[CodingNinja @CodingNinjaAZ]

How do you use AI in your daily development workflow? In this video, I talk about the hidden dangers of AI-generated code based on what I personally experience in real-world software engineering and code reviews at work.

https://t.co/A4Pw2chELu