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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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27:59

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

CTO Bhaiya

Shared 2 weeks ago

2.8K views

35:13

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

CTO Bhaiya

Shared 2 weeks ago

1.4K views

24:36

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

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Shared 3 weeks ago

1.3K views

46:54

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

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Shared 3 weeks ago

1.1K views

6:27

It took 928 DAYS... Happy Teacher's Day ❤️

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Shared 3 weeks ago

3.9K views

32:43

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

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Shared 4 weeks ago

2.1K views

36:22

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

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Shared 1 month ago

3K views

1:18:00

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

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Shared 1 month ago

2.4K views

8:05

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

CTO Bhaiya

Shared 1 month ago

5.4K views

40:49

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

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Shared 1 month ago

866 views

59:46

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

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Shared 1 month ago

712 views

8:11

DSA Patterns In 90 Days Course | Best Way to Learn DSA | Day RESTART/90

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Shared 1 month ago

8.5K views

7:39

How to NOT Get an Internship in 2026 ☠️

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Shared 1 month ago

2K views

2:25

🔥 The Show Begins NOW!!!

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Shared 1 month ago

2K views

13:19

🔥 Data Science Roadmap 2026: Zero Se Data Scientist Kaise Bane? 🚀

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Shared 2 months ago

688 views

17:10

Ek Nayi Shuruat: The Next Chapter of CTO Bhaiya

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Shared 2 months ago

4.3K views

36:33

Day 93/120 |🔥4 Popular Monotonic Stack Problems #11

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Shared 3 months ago

1.2K views

31:31

Day 92/120 |🔥What is Monotonic Stack | Master the Pattern & Solve Problems in O(n) #11

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Shared 3 months ago

1.4K views

58:54

Day 91/120 |🔥Master Stack Pattern: LeetCode 1249 + 232 Explained Step by Step 🚀#11

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Shared 3 months ago

1.1K views

1:15:18

Day 90/90 |🔥Master Stack Pattern with 3 Popular Interview Problems | LeetCode 20, 1047 & 2696 🚀#11

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Shared 3 months ago

1.7K views

1:15:42

Day 89/90 |⚡🚀 Stack Pattern Explained (Theory + Intuition) | DSA Pattern #11 #stack

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Shared 3 months ago

2.9K views

38:10

Day 88/90 |🔥Cyclic Sort Completed 🔥 | LeetCode 41 & 448 in One Video 🚀#10

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Shared 3 months ago

602 views

1:13:54

Day 87/90 |🔥Master Cyclic Sort in One Video | 3 Must-Do LeetCode Problems 🚀#10

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Shared 3 months ago

921 views

56:44

Day 86/90 |⚡🚀 Cyclic Sort Pattern Explained (Theory + Intuition + Templates) | DSA Pattern #10 #sort

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Shared 3 months ago

2.9K views

54:55

Day 85/90 |🔥LeetCode 2141: Maximum Running Time of N Computers | Linear Search to Binary Search 🚀#9

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Shared 4 months ago

480 views

24:10

🔥 DSA Roadmap + Interview Tips

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Shared 4 months ago

1.6K views

53:04

Day 84/90 |🔥LeetCode 1231: Divide Chocolate | Binary Search on Answer Made Easy 🚀#9

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Shared 4 months ago

629 views

50:17

Day 83/90 |🔥LeetCode 774 - Minimize Max Distance to Gas Station Using Binary Search on Answer 🚀#9

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Shared 4 months ago

1.3K views

44:52

Day 82/90 |🔥LeetCode HARD 410: Split Array Largest Sum | Binary Search on Answer Made Easy! 🚀#9

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Shared 4 months ago

1K views

1:30:10

Day 81/90 |🔥LeetCode Hard 2251 | Sweep Line + Binary Search Intuition 🚀#9

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Shared 4 months ago

530 views

1:11:39

Day 80/90 | 🔥LeetCode 1802: Binary Search on Answer Made Easy | Maximum Value at Given Index 🚀#9

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Shared 4 months ago

810 views

54:07

Day 79/90 | 🔥 Theory - Binary Search on Answer Pattern 🚀 | Koko Eating Bananas LeetCode 875 🚀#9

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Shared 4 months ago

1.3K views

1:22:52

Day 78/90 | 🔥 Search & Minimum in Rotated Array II | LeetCode 81 + 154 🚀#9

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Shared 4 months ago

647 views

33:22

Day 77/90 | Part 2 |⚡Binary Search Trick That Finds K Closest Elements Fast | LeetCode 658 🚀#9

CTO Bhaiya

Shared 4 months ago

822 views

1:03:25

Day 77/90 |⚡Crack LeetCode 153 & 658 Using Binary Search Like a Pro 🚀 | Crack LeetCode Fast 🚀#9

CTO Bhaiya

Shared 4 months ago

827 views

55:28

Day 76/90 |⚡Crack LeetCode 1337 & 528 Using Binary Search Like a Pro 🚀 | Crack LeetCode Fast 🚀#9

CTO Bhaiya

Shared 5 months ago

936 views

50:21

Day 75/90 |⚡| 2 Top Binary Search Problems Explained 🚀 | Crack LeetCode Fast 🚀#9

CTO Bhaiya

Shared 5 months ago

989 views

1:27:39

Day 74/90 |⚡| 3 Top Binary Search Problems Explained 🚀 | Crack LeetCode Fast 🚀#9

CTO Bhaiya

Shared 5 months ago

1.4K views

1:27:36

Day 73/90 |⚡| 4 Top Binary Search Problems Explained 🚀 | Crack LeetCode Fast 🚀#9

CTO Bhaiya

Shared 5 months ago

1.6K views

1:18:33

Day 72/90 |⚡🔥⚡ Binary Search Pattern Explained | Theory + Modified BS + 2 Key Problem Types 🚀#9

CTO Bhaiya

Shared 5 months ago

5.6K views

16:34

Day 5/8 - 🔥 Space Complexity Made Simple 🔥 (Finally Understand It!) | Time & Space Course

CTO Bhaiya

Shared 5 months ago

577 views

1:13:54

Day 71/90 |⚡🔥(LeetCode 1383) Maximum Performance of a Team (Brute → Heap) 🚀#8 #topk

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Shared 5 months ago

628 views

19:42

Day 70/90 |⚡🔥(LeetCode 3266): Part-2: The Proof Behind it (Intuition) 🚀#8 #topk

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Shared 5 months ago

357 views

1:04:25

Day 70/90 |⚡🔥(LeetCode 3266) Final Array State After K Multiplication Operations II 🚀#8 #topk

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Shared 5 months ago

605 views

55:27

Day 69/90 |⚡🔥(LeetCode 3478) Choose K Elements With Maximum Sum | Heap Intuition🚀#8 #topk

CTO Bhaiya

Shared 5 months ago

584 views

51:51

Day 68/90 |⚡🔥(LeetCode 632) Smallest Range Covering Elements from K Lists | Heap Intuition🚀#8 #topk

CTO Bhaiya

Shared 5 months ago

627 views

42:17

Day 67/90 |⚡🔥LeetCode 2233 🔥 Maximum Product After K Increments (Brute → Heap → Optimized) 🚀#8 #topk

CTO Bhaiya

Shared 5 months ago

463 views

53:22

Day 66/90 |⚡🔥 Master Top K Elements Pattern with 2 MUST-KNOW Problems 🔥 (1481 + 3264) 🚀🔥#8 #topk

CTO Bhaiya

Shared 5 months ago

595 views

54:01

Day 65/90 |⚡🔥 Maximal Score + Third Max in One Shot! | Master Top K Elements Pattern 🚀🔥#8 #topk

CTO Bhaiya

Shared 6 months ago

488 views

1:20:33

Day 64/90 |⚡ 🔥 Reorganize String + Kth Largest Integer | Master Top K Elements Pattern 🚀🔥#8 #topk

CTO Bhaiya

Shared 6 months ago

666 views

1:04:12

Day 63/90 |⚡🚀 🚀 Master Two Powerful Top K Problems | Brute Force → Optimized Explained 🔥 #8 #heap

CTO Bhaiya

Shared 6 months ago

819 views

1:27:00

Day 62/90 |⚡🚀 Master Top K Problems in One Shot | Top K Elements Pattern Explained 🔥 #8 #heap

CTO Bhaiya

Shared 6 months ago

945 views

34:06

Day 61/90 |⚡Top K Elements Pattern (Theory + Intuition + Templates)| DSA Pattern #8 #heap

CTO Bhaiya

Shared 6 months ago

2.7K views

1:10:31

Day 60/90 |⚡🚀 🔥 313. Super Ugly Number Made Easy 🚀 | Brute Force to Min Heap! 🔥 | K-Way Merge

CTO Bhaiya

Shared 6 months ago

733 views

53:55

Day 59/90 |⚡🚀 🔥 Kth Smallest Prime Fraction (LC 786) 🚀 Brute Force vs Min Heap 🔥 | K-Way Merge

CTO Bhaiya

Shared 6 months ago

520 views

1:19:43

Day 58/90 |⚡🚀 🔥 Kth Smallest Sum in Matrix (LC 1439) | From Brute Force to Min Heap 🔥 | K-Way Merge

CTO Bhaiya

Shared 6 months ago

829 views

53:16

Day 57/90 |⚡🚀 Find K Pairs with Smallest Sums 🔥 LeetCode 373 Heap Pattern Explained 🔥 | K-Way Merge

CTO Bhaiya

Shared 6 months ago

1.1K views

43:01

Day 56/90 |⚡🚀 Merge K Sorted Lists Explained 🔥 Brute Force vs Min Heap vs Pairwise 🔥 | K-Way Merge

CTO Bhaiya

Shared 7 months ago

1.3K views

27:47

Day 55/90 |⚡🚀 Kth Smallest Element in Sorted Matrix Explained 🔥 | K-Way Merge Pattern Made Easy

CTO Bhaiya

Shared 7 months ago

908 views

1:07:03

Day 54/90 |⚡🚀 From Simple Merge to K Sorted Lists 🚀 Master the K-Way Merge Pattern for Interviews

CTO Bhaiya

Shared 7 months ago

1K views

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