Skip to content
Open
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
38 changes: 38 additions & 0 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,44 @@ Links will be updated as the series goes live!
| 9 | Day 9/90 - ⚡ 🚀 3 Popular Interview Questions Fast & Slow Pointers Pattern - DSA Pattern #2 | [Watch Now](https://www.youtube.com/watch?v=E85jp_rHivc&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=16) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/9_Day) | ✅ |
| 10 | Day 10/90 - ⚡2130. Maximum Twin Sum of a Linked List - Fast & Slow Pointers Pattern - DSA Pattern #2 | [Watch Now](https://www.youtube.com/watch?v=t40HN4Rla30&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=17) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/10_Day) | ✅ |
| 11 | Day 11/90 - ⚡457. Circular Array Loop - Fast & Slow Pointers Pattern - DSA Pattern #2 | [Watch Now](https://www.youtube.com/watch?v=nFZ1mysCZc0&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=18) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/11_Day) | ✅ |
| X | Stop Learning DSA the Wrong way: Topic-Wise vs Pattern-Wise DSA! Which one should you learn? | [Watch Now](https://www.youtube.com/watch?v=BxmfR2Exnpc&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=19) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/blob/main/Babua-DSA-Patterns-Questions.svg) | ✅ |
| 12 | Day 12/90 - ⚡Sliding Window Theory (Fixed + Dynamic Window) - DSA Pattern #3 | [Watch Now](https://www.youtube.com/watch?v=wAQI89N44u4&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=20) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/12_Day) | ✅ |
| 13 | Day 13/90 - ⚡3 Sliding Window Problems That Appear in Every Coding Interview! - DSA Pattern #3 | [Watch Now](https://www.youtube.com/watch?v=D4kHj9FMcK8&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=21) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/13_Day) | ✅ |
| 14 | Day 14/90 - ⚡3 IMPORTANT Sliding Window Problems Every Coder Must Master! - DSA Pattern #3 | [Watch Now](https://www.youtube.com/watch?v=nFZ1mysCZc0&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=18) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/11_Day) | ✅ |
| X | 🔥 Complete DSA Patterns Course - My 4 Times Revision Plan to master DSA Patterns + Pre-Reqs | [Watch Now](https://www.youtube.com/watch?v=jznyIWT17mU&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=23) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/blob/main/Babua%20DSA%20Patterns%20Course%202025%20-%20Revision%20Sheet.xlsx) | ✅ |
| 15 | Day 15/90 - ⚡ Rabin-Karp + Repeated DNA Sequences Explained (Sliding Window + Rolling Hash) - DSA Pattern #3 | [Watch Now](https://www.youtube.com/watch?v=Mtwto_-RK10&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=24) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/15_Day) | ✅ |
| 16 | Day 16/90 - ⚡2 IMPORTANT Sliding Window Problems for Interviews! - DSA Pattern #3 | [Watch Now](https://www.youtube.com/watch?v=iV7fGqFnaYI&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=25) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/16_Day) | ✅ |
| X | 📢 Complete DSA Patterns Course 2025 - Introducing Babua Star-The Most Premium Recognition in Course🌟 | [Watch Now](https://www.youtube.com/watch?v=DMxD2_UzVYM&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=26) | [Notes]() | ✅ |
| 17 | Day 17/90 -⚡Sliding Window Mastery: 1838 + 1343 - Two MUST-DO Interview Problems - DSA Pattern #3 | [Watch Now](https://www.youtube.com/watch?v=yhmTk_HAiwA&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=27) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/17_Day) | ✅ |
| X | 🔥 My Tips & Tricks to convert Brute Force Into Dynamic Sliding Window Pattern - DSA Patterns #3 | [Watch Now](https://www.youtube.com/watch?v=wPphOQuJNaU&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=28) | [Notes]() | ✅ |
| 18 | Day 18/90 - LeetCode 424 - Longest Repeating Character Replacement - Brute Force + Sliding Window - DSA Patterns #3 | [Watch Now](https://www.youtube.com/watch?v=Z4SoQHqMb7k&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=29) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/18_Day) | ✅ |
| X | 📢 Ultimate 1-Year Roadmap for 2026–27 Placements — By Ex-CTO, Adobe & Intuit | [Watch Now](https://www.youtube.com/watch?v=Q4sJLFnjLBc&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=30) | [Notes]() | ✅ |
| X | 🔥 STOP Forgetting DSA!!! My Tips & Tricks | [Watch Now](https://www.youtube.com/watch?v=WSFRkPrOfYY&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=31) | [Notes]() | ✅ |
| 19 | Day 19/90 -⚡ Interval Patterns Theory - DSA Pattern #4 | [Watch Now](https://www.youtube.com/watch?v=rpzaI1EPYSI&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=32) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/19_Day) | ✅ |
| 20 | Day 20/90 - ⚡ Interval Patterns Theory - 2 - DSA Pattern #4 | [Watch Now](https://www.youtube.com/watch?v=V1CWx1lUhUw&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=33) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/20_Day) | ✅ |
| 21 | Day 21/90 - ⚡ Merge Intervals #56 - DSA Pattern #4 | [Watch Now](https://www.youtube.com/watch?v=qY0qii68LAU&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=34) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/21_Day) | ✅ |
| X | 📢 Complete DSA Patterns Course 2025 - Introducing Babua Premiere League-Hack Karo, Internship Pao 🌟 | [Watch Now](https://www.youtube.com/watch?v=4v0VzAWlz1Y&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=35) | [Notes]() | ✅ |
| 22 | 🔥 Day 22/90 - Intervals Pattern Mastery (LeetCode 986 & 3169) - DSA Pattern #4 | [Watch Now](https://www.youtube.com/watch?v=f70RgdbUdaE&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=36) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/22_Day) | ✅ |
| 23 | 🔥 Day 23/90 - Intervals Pattern Mastery (LeetCode 57 & 3169) - DSA Pattern #4 | [Watch Now](https://www.youtube.com/watch?v=UfnfgOdMvac&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=37) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/23_Day) | ✅ |
| 24 | 🔥 Day 24/90 - Intervals Pattern Mastery (LeetCode 1288) - DSA Pattern #4 | [Watch Now](https://www.youtube.com/watch?v=Q8b773muUQY&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=38) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/24_Day) | ✅ |
| 25 | 🔥 Day 25/90 - Line Sweep Algorithm + TreeMap Theory + Lab Made Easy - DSA Pattern #4 | [Watch Now](https://www.youtube.com/watch?v=EPBYfs8J5tI&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=39) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/25_Day) | ✅ |
| 26 | 🔥 Day 26/90 - 📅 My Calendar II Explained - Line Sweep Algorithm - LeetCode Hard - 2 - DSA Pattern #4 | [Watch Now](https://www.youtube.com/watch?v=xh57S8W6-tc&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=40) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/26_Day) | ✅ |
| X | 😔 The SAD Reality of DSA In 2025/2026!!! My Honest Opinion | [Watch Now](https://www.youtube.com/watch?v=O_XbuLMzIuE&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=41) | [Notes]() | ✅ |
| 27 | 🔥 Day 27/90 - 2 Popular Interview Questions - Intervals Pattern Mastery - DSA Pattern #4 | [Watch Now](https://www.youtube.com/watch?v=gODaq3rrQ0E&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=42) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/27_Day) | ✅ |
| X | 📢 Complete DSA Patterns Course 2025 - Babua Premiere League - Phase 1 - Hack Karo, Internship Pao 🌟 | [Watch Now](https://www.youtube.com/watch?v=ROnMrYWMr9Q&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=43) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/blob/main/BPL-Problem-Statement.pdf) | ✅ |
| 28 |🔥 Day 28/90 - 1094. Car Pooling + Sorting Playlist HW - Intervals Pattern Mastery - DSA Pattern #4 | [Watch Now](https://www.youtube.com/watch?v=1ic73n25nMg&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=44) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/28_Day) | ✅ |
| 29 |🔥 Day 29/90 - 2 Popular Interview Questions - Intervals Pattern Mastery - DSA Pattern #4 | [Watch Now](https://www.youtube.com/watch?v=CvPHNlhm7tU&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=45) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/29_Day) | ✅ |
| X | 🔥 DSA Is NOT Enough in 2025/2026 - Why Product Development Matters More Than Ever | [Watch Now](https://www.youtube.com/watch?v=Ta45n2UmoGg&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=46) | [Notes]() | ✅ |
| 30 |🔥 Day 30/90 - LeetCode 352. Data Stream as Disjoint Intervals (HARD) - DSA Pattern #4 | [Watch Now](https://www.youtube.com/watch?v=e_0wYr-ZlJ4&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=47) | [Notes]() | ✅ |
| X | 🔥 📢 Complete DSA Patterns Course 2025 - Babua Premiere League - Final Phase Update (IMPORTANT) 🌟 | [Watch Now](https://www.youtube.com/watch?v=jnTatLqluGI&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=48) | [Notes]() | ✅ |
| 31 | Day 31/90 -⚡ In-Place Linked List Manipulation Patterns Theory - DSA Pattern #5 | [Watch Now](https://www.youtube.com/watch?v=LZepIwk4YLk&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=49) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/31_Day) | ✅ |
| X | 🔥 2026 will be MY/OUR Year!!! | [Watch Now](https://www.youtube.com/watch?v=U96NbbHR2eg&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=50) | [Notes]() | ✅ |
| 32 | Day 32/90 - ⚡ Most Important Linked List Concept + 3 Popular LeetCode Questions - DSA Pattern #5 | [Watch Now](https://www.youtube.com/watch?v=DHFFCQiEAX8&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=51) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/32_Day) | ✅ |
| 33 | Day 33/90 - ⚡ 2 HARD In-Place Linked List Manipulation Questions - DSA Pattern #5 | [Watch Now](https://www.youtube.com/watch?v=FmoPYYw3xhY&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=52) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/33_Day) | ✅ |
| X | 🔥 Big Announcement 🎉 We are launching our "FIRST PAID" Course | [Watch Now](https://www.youtube.com/watch?v=ykz0Q1UuGuA&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=53) | [Notes]() | ✅ |
| 34 | Day 34/90 -⚡2 MEDIUM In-Place Linked List Manipulation Questions - DSA Pattern #5 | [Watch Now](https://www.youtube.com/watch?v=A4Ooc-siJsw&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=54) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/34_Day) | ✅ |
| 35 | Day 35/90 -⚡2 HARD In-Place Linked List Manipulation Questions - DSA Pattern #5 | [Watch Now](https://www.youtube.com/watch?v=ksgUrqUQSDk&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=55) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/35_Day) | ✅ |
| 36 | Day 36/90 -⚡You Can Solve This Hard Linked List Problem Now - PROVE IT - DSA Pattern #5 | [Watch Now](https://www.youtube.com/watch?v=Ne16dr7_IYI&list=PLVItHqpXY_DDFNeS6NUUoRsloyaPRdl1l&index=56) | [Notes](https://github.com/team-codebug/babua-dsa-patterns-course/tree/main/36_Day) | ✅ |

---

Expand Down