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CTO Bhaiya is a channel for DSA, System Design, AI, and software development.

Learn DSA topic by topic, Babua DSA Patterns, interview questions, System Design, AI, APIs, microservices, and practical coding skills with simple explanations and real examples.

Created by Anuj Kumar, Ex Adobe, Ex Intuit, former CTO and CEO of NextGen CTO.

If you’re preparing for software engineering interviews, placements, FAANG, or building your developer skills, you’ll find practical videos and structured playlists here.

Subscribe and start learning.

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Tags

coding
datastructures
programming
leetcode
github
puzzles
riddles
interviews
softwareengineering
developer
databases
database
postgres
postgresql
git
masterclass
bootcamp
playlist
coding
development
frontend
backend
java
python
cpp
sde
interview
data structures
data structure and algorithms
data structures playlist
golang
leetcode java

Stats

Joined January 22, 2022
2,680,171 total views
India

Featured video

Complete DSA Patterns In 90 Days Course | Crack Coding Interviews in 3 Months | Day 0/90 | Intro

544,123 views

11mo ago

The DSA Mastery Series: From Basics to Advanced

DSA In 90 Days For Placements! 🔥 Beginner, Medium & Advanced Level Playlist
337 videos
DSA In 90 Days For Placements! 🔥 Beginner, Medium & Advanced Level Playlist
Leetcode Playlist
428 videos
Leetcode Playlist
"🔥🔥 Software Interview Success: Pro Tips, Hacks, and Strategies!"
9 videos
"🔥🔥 Software Interview Success: Pro Tips, Hacks, and Strategies!"

AI/ML Courses

Google Gemini Code Assist Playlist 🚀 | Complete Course Playlist
15 videos
Google Gemini Code Assist Playlist 🚀 | Complete Course Playlist
Cursor AI Playlist for Beginners 🚀 | Master AI-Powered Coding from Scratch
8 videos
Cursor AI Playlist for Beginners 🚀 | Master AI-Powered Coding from Scratch
Cursor AI for Advanced Users: Build Smarter, Code Faster
21 videos
Cursor AI for Advanced Users: Build Smarter, Code Faster

Data Structures & Algorithms Course Series

Queue & Stack 🔥 | Leetcode | Java | DSA | Placements | FAANG Interviews
6 videos
Queue & Stack 🔥 | Leetcode | Java | DSA | Placements | FAANG Interviews
Hash Table Playlist (HashSet + HashMap) ✅ | Leetcode | Java | DSA | Placements | FAANG Interviews
25 videos
Hash Table Playlist (HashSet + HashMap) ✅ | Leetcode | Java | DSA | Placements | FAANG Interviews
Binary Tree Playlist ✅ | Leetcode | Java | DSA | Placements | FAANG Interviews
15 videos
Binary Tree Playlist ✅ | Leetcode | Java | DSA | Placements | FAANG Interviews
Sorting Playlist ✅ | Leetcode | Java | DSA | Placements | FAANG Interviews
21 videos
Sorting Playlist ✅ | Leetcode | Java | DSA | Placements | FAANG Interviews

Shorts

The Unpaid Intern in our Company 😤😡 #ctobhaiya #tech #intern
The Unpaid Intern in our Company 😤😡 #ctobhaiya #tech #intern

2,400 views

Solve Any DP Problem in 4 Simple Steps🚀 | Recursion → Memoization → Tabulation → Space Optimization
Solve Any DP Problem in 4 Simple Steps🚀 | Recursion → Memoization → Tabulation → Space Optimization

8,700 views

How to Spot Dynamic Programming Problems in DSA 🚀 | DP Made Simple #dp #dsa #ctobhaiya
How to Spot Dynamic Programming Problems in DSA 🚀 | DP Made Simple #dp #dsa #ctobhaiya

13,000 views

Biggest DSA Course In Java launched (2025) #dsa #computerscience
Biggest DSA Course In Java launched (2025) #dsa #computerscience

3,200 views

Biggest DSA Course in Hindi 🚀 | Complete DSA Playlist on YouTube #dsa #java #hindi
Biggest DSA Course in Hindi 🚀 | Complete DSA Playlist on YouTube #dsa #java #hindi

2,200 views

My First Tech Job Salary at 21 years old (Adobe)💰🚀 #firstsalary #softwareengineer #adobe #coding
My First Tech Job Salary at 21 years old (Adobe)💰🚀 #firstsalary #softwareengineer #adobe #coding

13,000 views

The #1 Skill You MUST Learn in 2025 🚀 (AI & ML) #ml #ai
The #1 Skill You MUST Learn in 2025 🚀 (AI & ML) #ml #ai

1,300 views

Linear Regression Explained in 30 Seconds 📈 | Machine Learning Made Simple
Linear Regression Explained in 30 Seconds 📈 | Machine Learning Made Simple

1,200 views

Permutations LeetCode in 20 Seconds 🚀 #leetcode #permutations #dsa #ctobhaiya #computerscience
Permutations LeetCode in 20 Seconds 🚀 #leetcode #permutations #dsa #ctobhaiya #computerscience

3,100 views

Roads in Bangalore 🥰 #bangalore #bangalorevlogs #bangalorenews #bangaloretour
Roads in Bangalore 🥰 #bangalore #bangalorevlogs #bangalorenews #bangaloretour

3,600 views

Did AI Kill Coding Jobs? 🤖 The Truth
Did AI Kill Coding Jobs? 🤖 The Truth

2,500 views

This Comment Made My Day 😭 | Road to 100K Begins! #dsa #ctobhaiya #programming #leetcode
This Comment Made My Day 😭 | Road to 100K Begins! #dsa #ctobhaiya #programming #leetcode

2,800 views

How Many Subproblems in Divide and Conquer? | DSA Quiz Challenge 💡 #ctobhaiya #dsa
How Many Subproblems in Divide and Conquer? | DSA Quiz Challenge 💡 #ctobhaiya #dsa

903 views

Day 7 of 100: JavaScript Event Loop in 60 Seconds 🔁 | Stop Confusing Callbacks!
Day 7 of 100: JavaScript Event Loop in 60 Seconds 🔁 | Stop Confusing Callbacks!

10,000 views

Recursion Explained in 60 Seconds 🔁 | Crack Coding Interviews Fast! #recursion #dsa
Recursion Explained in 60 Seconds 🔁 | Crack Coding Interviews Fast! #recursion #dsa

2,300 views

Day 6 of 100: Closures in JavaScript 🔒 | Private Variables Made Easy
Day 6 of 100: Closures in JavaScript 🔒 | Private Variables Made Easy

1,600 views

Day 5 of 100: Lexical Scope🔥 #javascripttips #interview
Day 5 of 100: Lexical Scope🔥 #javascripttips #interview

1,300 views

Day 4 of 100: Call, Apply & Bind in JavaScript🔥 | Master this Like a Pro #javascripttips #interview
Day 4 of 100: Call, Apply & Bind in JavaScript🔥 | Master this Like a Pro #javascripttips #interview

891 views

Day 3 of 100: Arrow Functions in JavaScript 🔥 | The Cleaner Way to Write Functions #ArrowFunctions
Day 3 of 100: Arrow Functions in JavaScript 🔥 | The Cleaner Way to Write Functions #ArrowFunctions

1,500 views

Day 2 of 100: ES6 Changed JavaScript Forever 🔥 | Quick Intro to ECMAScript 2015 #JavaScript #ES6
Day 2 of 100: ES6 Changed JavaScript Forever 🔥 | Quick Intro to ECMAScript 2015 #JavaScript #ES6

1,800 views

Popular videos

Complete DSA Patterns In 90 Days Course | Crack Coding Interviews in 3 Months | Day 0/90 | Intro
12:05
Complete DSA Patterns In 90 Days Course | Crack Coding Interviews in 3 Months | Day 0/90 | Intro

544,000 views

11mo ago

DSA in 90 Days for Placements (Full Course)! 🔥 Beginner, Medium & Advanced Level! #dsa #leetcode
4:07
DSA in 90 Days for Placements (Full Course)! 🔥 Beginner, Medium & Advanced Level! #dsa #leetcode

138,000 views

1y ago

Day 1/90 |⚡ Two Pointers Theory - DSA Pattern #1 | DSA Pattern You Must Know! #twopointers
37:16
Day 1/90 |⚡ Two Pointers Theory - DSA Pattern #1 | DSA Pattern You Must Know! #twopointers

109,000 views

11mo ago

Day 2/90 |⚡Master 5 Two Pointer Problems | Babua DSA Patterns | Crack Coding Interviews #twopointers
1:08:17
Day 2/90 |⚡Master 5 Two Pointer Problems | Babua DSA Patterns | Crack Coding Interviews #twopointers

53,000 views

11mo ago

485.1 Max Consecutive Ones (Theory) | #1 | Arrays Playlist | #leetcode #array #dsa #interview
5:24
485.1 Max Consecutive Ones (Theory) | #1 | Arrays Playlist | #leetcode #array #dsa #interview

44,000 views

2y ago

[MUST WATCH] 705. Design HashSet | #1 | Hash Table Playlist #hashtable #leetcode #algorithms
25:57
[MUST WATCH] 705. Design HashSet | #1 | Hash Table Playlist #hashtable #leetcode #algorithms

41,000 views

2y ago

Day 12/90 |⚡Sliding Window Theory (Fixed + Dynamic Window) | DSA Patterns #dsa
1:10:05
Day 12/90 |⚡Sliding Window Theory (Fixed + Dynamic Window) | DSA Patterns #dsa

41,000 views

10mo ago

Array-1 | 26. Remove Duplicates from Sorted Array | 🔥 Beginner, Medium & Advanced Level! #easy
7:10
Array-1 | 26. Remove Duplicates from Sorted Array | 🔥 Beginner, Medium & Advanced Level! #easy

40,000 views

1y ago

Day 3/90 🔥 Master Two Pointer Pattern | 5 LeetCode Problems Explained | Babua DSA Patterns 2025 #dsa
1:28:24
Day 3/90 🔥 Master Two Pointer Pattern | 5 LeetCode Problems Explained | Babua DSA Patterns 2025 #dsa

37,000 views

10mo ago

🚀 DSA in 90 Days for Placements 2025 | Course Outline | Crack Coding Interviews! 💻
5:18
🚀 DSA in 90 Days for Placements 2025 | Course Outline | Crack Coding Interviews! 💻

28,000 views

1y ago

Cursor for Beginners (AI Code Editor) | Complete Beginners Course Announcement 2025 #cursor
7:38
Cursor for Beginners (AI Code Editor) | Complete Beginners Course Announcement 2025 #cursor

27,000 views

1y ago

0. Linked List Introduction | #0 | Linked List Playlist | #dsa #leetcode #interview
10:28
0. Linked List Introduction | #0 | Linked List Playlist | #dsa #leetcode #interview

24,000 views

2y ago

DSA In 90 Days For Placements! 🔥 Beginner, Medium & Advanced Level Playlist

CTO Bhaiya
DSA in 90 Days for Placements (Full Course)! 🔥 Beginner, Medium & Advanced Level! #dsa #leetcode
4:07
DSA in 90 Days for Placements (Full Course)! 🔥 Beginner, Medium & Advanced Level! #dsa #leetcode

138,000 views

1y ago

CTO Bhaiya
🚀 DSA in 90 Days for Placements 2025 | Course Outline | Crack Coding Interviews! 💻
5:18
🚀 DSA in 90 Days for Placements 2025 | Course Outline | Crack Coding Interviews! 💻

28,000 views

1y ago

CTO Bhaiya
Array-1 | 26. Remove Duplicates from Sorted Array | 🔥 Beginner, Medium & Advanced Level! #easy
7:10
Array-1 | 26. Remove Duplicates from Sorted Array | 🔥 Beginner, Medium & Advanced Level! #easy

40,000 views

1y ago

CTO Bhaiya
Array-2 | 121. Best Time to Buy and Sell Stock | 🔥 Beginner, Medium & Advanced Level! #easy
9:04
Array-2 | 121. Best Time to Buy and Sell Stock | 🔥 Beginner, Medium & Advanced Level! #easy

18,000 views

1y ago

CTO Bhaiya
Array-3 | 122. Best Time to Buy and Sell Stock II | 🔥 Beginner, Medium & Advanced Level! #easy
11:32
Array-3 | 122. Best Time to Buy and Sell Stock II | 🔥 Beginner, Medium & Advanced Level! #easy

10,000 views

1y ago

CTO Bhaiya
Array-4 | 189. Rotate Array | 🔥 Beginner, Medium & Advanced Level! #easy
31:50
Array-4 | 189. Rotate Array | 🔥 Beginner, Medium & Advanced Level! #easy

11,000 views

1y ago

CTO Bhaiya
Array-5 | 217. Contains Duplicate | 🔥 Beginner, Medium & Advanced Level! #easy
6:15
Array-5 | 217. Contains Duplicate | 🔥 Beginner, Medium & Advanced Level! #easy

6,500 views

1y ago

CTO Bhaiya
Array-6 | 136. Single Number | 🔥 Beginner, Medium & Advanced Level! #easy
8:14
Array-6 | 136. Single Number | 🔥 Beginner, Medium & Advanced Level! #easy

5,300 views

1y ago

CTO Bhaiya
Array-7 | 349. Intersection of Two Arrays | 🔥 Beginner, Medium & Advanced Level! #easy
12:13
Array-7 | 349. Intersection of Two Arrays | 🔥 Beginner, Medium & Advanced Level! #easy

6,200 views

1y ago

CTO Bhaiya
Array-8 | 350. Intersection of Two Arrays II | 🔥 Beginner, Medium & Advanced Level! #easy
23:47
Array-8 | 350. Intersection of Two Arrays II | 🔥 Beginner, Medium & Advanced Level! #easy

4,700 views

1y ago

CTO Bhaiya
Array-9 | 66. Plus One | 🔥 Beginner, Medium & Advanced Level! #easy
7:30
Array-9 | 66. Plus One | 🔥 Beginner, Medium & Advanced Level! #easy

4,500 views

1y ago

CTO Bhaiya
Array-10 | 283. Move Zeroes | 🔥 Beginner, Medium & Advanced Level! #easy
11:37
Array-10 | 283. Move Zeroes | 🔥 Beginner, Medium & Advanced Level! #easy

4,300 views

1y ago

Puzzles for Software Engineers 🔥

1. Measure 45 minutes using two identical wires #interview #interviewpuzzle #puzzle
1. Measure 45 minutes using two identical wires #interview #interviewpuzzle #puzzle

1,600 views

2.1. Find the ages of three daughters #puzzles #softwareengineering #developer #google #microsoft
2.1. Find the ages of three daughters #puzzles #softwareengineering #developer #google #microsoft

496 views

2.2. Find the ages of three daughters #puzzles #softwareengineering #developer #google #microsoft
2.2. Find the ages of three daughters #puzzles #softwareengineering #developer #google #microsoft

558 views

3.1 Calculate distance travelled by bee #puzzles #softwareengineering #developer #google #microsoft
3.1 Calculate distance travelled by bee #puzzles #softwareengineering #developer #google #microsoft

521 views

3.2 Calculate distance travelled by bee #puzzles #softwareengineering #developer #google #microsoft
3.2 Calculate distance travelled by bee #puzzles #softwareengineering #developer #google #microsoft

173 views

4.1 Pay employee using rod of 7 units #puzzles #softwareengineering #developer #google #microsoft
4.1 Pay employee using rod of 7 units #puzzles #softwareengineering #developer #google #microsoft

194 views

4.2 Pay employee using rod of 7 units #puzzles #softwareengineering #developer #google #microsoft
4.2 Pay employee using rod of 7 units #puzzles #softwareengineering #developer #google #microsoft

119 views

5.1 Find injection for Anesthesia #puzzles #softwareengineering #developer #google #microsoft
5.1 Find injection for Anesthesia #puzzles #softwareengineering #developer #google #microsoft

1,400 views

5.2 Find injection for Anesthesia #puzzles #softwareengineering #developer #google #microsoft
5.2 Find injection for Anesthesia #puzzles #softwareengineering #developer #google #microsoft

1,100 views

6.1 The famous Monty Hall Problem #puzzles #softwareengineering #developer #google #microsoft
6.1 The famous Monty Hall Problem #puzzles #softwareengineering #developer #google #microsoft

525 views

6.2 The famous Monty Hall Problem #puzzles #softwareengineering #developer #google #microsoft
6.2 The famous Monty Hall Problem #puzzles #softwareengineering #developer #google #microsoft

181 views

6.3 The famous Monty Hall Problem #puzzles #softwareengineering #developer #google #microsoft
6.3 The famous Monty Hall Problem #puzzles #softwareengineering #developer #google #microsoft

243 views

Tech Stack Essentials: Master PostgreSQL and GitHub

(Deprecated) Postgresql Masterclass & Postgresql Playlist
23 videos
(Deprecated) Postgresql Masterclass & Postgresql Playlist
(Deprecated) Git & Github Masterclass
15 videos
(Deprecated) Git & Github Masterclass

Videos

I AM SORRY ❤️ | A Personal Update :)
2:13
I AM SORRY ❤️ | A Personal Update :)

5,200 views

2d ago

Day 11/12 - 🔥 String & StringBuilder - Basic Data Structures | Time & Space Complexity Course
27:59
Day 11/12 - 🔥 String & StringBuilder - Basic Data Structures | Time & Space Complexity Course

3,000 views

3w ago

Day 10/12 - 🔥 Stacks & Queues - Basic Data Structures | Time & Space Complexity Course
35:13
Day 10/12 - 🔥 Stacks & Queues - Basic Data Structures | Time & Space Complexity Course

1,500 views

1mo ago

Day 9/12 - 🔥 Doubly Linked Lists - Basic Data Structures | Time & Space Complexity Course
24:36
Day 9/12 - 🔥 Doubly Linked Lists - Basic Data Structures | Time & Space Complexity Course

1,400 views

1mo ago

Day 8/12 - 🔥 Hash Table - Basic Data Structures | Master Time & Space Complexity from Scratch
46:54
Day 8/12 - 🔥 Hash Table - Basic Data Structures | Master Time & Space Complexity from Scratch

1,100 views

1mo ago

It took 928 DAYS... Happy Teacher's Day ❤️
6:27
It took 928 DAYS... Happy Teacher's Day ❤️

4,100 views

1mo ago

Day 7/8 - 🔥 Linked Lists - Basic Data Structures | Master Time & Space Complexity from Scratch
32:43
Day 7/8 - 🔥 Linked Lists - Basic Data Structures | Master Time & Space Complexity from Scratch

2,100 views

1mo ago

Day 6/8 - 🔥 Arrays - Basic Data Structures | Master Time & Space Complexity from Scratch | #dsa
36:22
Day 6/8 - 🔥 Arrays - Basic Data Structures | Master Time & Space Complexity from Scratch | #dsa

3,000 views

1mo ago

Day 96/120 | 🔥Monotonic Stack Finally Makes Sense! Maximum Width Ramp + Next Greater Element IV #11
1:18:00
Day 96/120 | 🔥Monotonic Stack Finally Makes Sense! Maximum Width Ramp + Next Greater Element IV #11

2,600 views

1mo ago

🔥If DSA Feels HARD for YOU, WATCH THIS NOW!!!
8:05
🔥If DSA Feels HARD for YOU, WATCH THIS NOW!!!

5,500 views

1mo ago

Day 95/120 | 🔥503. Next Greater Element II #11
40:49
Day 95/120 | 🔥503. Next Greater Element II #11

897 views

1mo ago

Day 94/120 |🔥2 Popular Monotonic Stack Problems #11
59:46
Day 94/120 |🔥2 Popular Monotonic Stack Problems #11

741 views

1mo ago