Jan 27
Lecture 25 (DSA) | Strike Course by @rohit_negi9
Solved: Large factorial, sentence sorting, longest palindrome & vowel sorting in strings.
Building strong DSA fundamentals step by step!
#DSA #Cplusplus #Learning #ProblemSolving #StrikeCourse
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Jan 22
Lecture 23 | DSA – Strike (DSA GenAI) by @rohit_negi9
Solved matrix problems: search (sorted & unsorted), row with max sum, spiral traversal, transpose & matrix rotations (90°, 180°).
Strong focus on index logic & in-place transformations 🚀
#DSA #StrikeCourse #Matrix
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31
Jan 19
Lecture 21 | DSA – Strike (DSA GenAI)
Learned max difference in array, Kadane’s Algorithm, prefix sum for range queries & trapping rain water.
Strong focus on optimization and edge cases.
Thanks @rohit_negi9
#DSA #StrikeCourse #Arrays #KadanesAlgorithm #ProblemSolving
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Jan 15
Lecture 13 | GenAI | Strike Course (DSA GenAI) by @rohit_negi9
Learned RAG, indexing & query phases, fine-tuning vs RAG, LangChain, and Pinecone vector DB for building real-world GenAI systems.
#GenAI #RAG #LangChain #Pinecone #VectorDB #StrikeCourse
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Jan 14
Lecture 19 (DSA) | Strike Course – @rohit_negi9
Two Pointer technique in C
2 Sum, Triplet Sum, Four Sum
Pair with given difference
Clean, optimal, interview-ready solutions.
#DSA #TwoPointers #StrikeCourse #Cplusplus
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15
166
#Day5 #StrikeDSA& #GenAI with Rohit Negi.
🚀Day 5 of my C learning journey.
📌 Topics covered:
• Armstrong Number
• Binary to Decimal
• Decimal to Binary
• Factorial
• Fibonacci Number
• Reverse Number
#c #DSA #StrikeCourse #Day4 #Programming #coderarmy #learning
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Jan 13
Day 25 of #StrikeCourse completed 🙂
Today I learned:
• Practiced Binary Search questions
• Learned how to find minimum element in rotated sorted array
• Solved kth missing positive number using simple logic
Thank u krishna @rohit_negi9 @PurVi_rae
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84
Jan 12
Lecture 18 (DSA) | Strike Course by @rohit_negi9
Learned binary search on answer space via Painter’s Partition, Koko Eating Bananas, Split Array, Ship Packages & Aggressive Cows.
Clear focus on feasibility greedy checks.
#DSA #BinarySearch #StrikeCourse #RohitNegi
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251
Lecture 10 Gen Ai | Strike Course (DSA GenAI) by @rohit_negi9
Today’s lecture focused on building a strong foundation in GenAI indexing and similarity search, with emphasis on how large-scale vector search systems work.
#StrikeCourse #DSAandGenAI #GenAI #VectorSearch
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153
#Day24 of Strike DSA GenAI by @rohit_negi9
Today's Learning:-
🔹 Implemented Find Minimum in a Rotated Sorted Array efficiently
🔹Worked on Kth Missing Positive Number using index-value gap
🔹 Practiced handling multiple edge cases for correctness
#StrikeCourse #DSA #CPP #GenAI
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113
Lecture 16 (DSA) | Strike Course by @rohit_negi9
Solved rotated array problems & Kth missing positive integer using Binary Search.
Key takeaway: edge cases matter.
#DSA #BinarySearch #StrikeCourse #RohitNegi
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234
#Day23 of Strike DSA GenAI by @rohit_negi9
Today's Learning:-
🔹 Solved sqrt(x) using Binary Search instead of brute force.
🔹 Solved Peak Index in a Mountain Array by comparing mid with its neighbors.
#StrikeCourse #DSA #CPP #BinarySearch #GenAI
#ProblemSolving
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30 Dec 2025
Day 22 of #STRIKECOURSE ✅.
-> Learnt Bubble sort and how to optimise it for n time complexity
-> Understood Insertion sort in detail and how it is a better sorting technique for nearly sorted data
-> Learnt Binary search technique and it's real world applications
@rohit_negi9
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251
30 Dec 2025
Day 22 | Strike Course (DSA GenAI) – Lecture 14 (DSA) by @rohit_negi9
Binary Search deep dive:
First/Last position, safe mid formula, search insert position, sqrt(x), and edge cases.
DSA clarity improving with every lecture.
#StrikeCourse #DSA #BinarySearch #RohitNegi
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317
30 Dec 2025
Day 21 of #STRIKECOURSE completed.
→ Understood vector embeddings & how they work
→ Learned when Euclidean distance helps (and when it doesn’t)
→ Explored cosine similarity for better comparisons
→ Naive vs optimized approaches for pattern search in vectors
@rohit_negi9
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257
30 Dec 2025
Day 21 | Strike Course (DSA GenAI) – Lecture 13 (DSA) by @rohit_negi9
Covered Bubble Sort, Insertion Sort, and Binary Search with clear time complexity analysis and practical use cases. Strengthening DSA fundamentals step by step.
#DSA #StrikeCourse #Sorting #BinarySearch
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29 Dec 2025
Day 20 of #STRIKECOURSE completed.
-> Understood in-place space used vs auxiliary space used in an algorithm.
-> Learnt how the selection sort works with n² time and with constant space complexity.
@rohit_negi9
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29 Dec 2025
Day 19 of #STRIKECOURSE completed.
->Learnt how recommendation systems came into existence and why?
->How to design and how to find features and flows in the system and how to overcome it
->Got introduced to vector and how no. of levels affect efficiency of a system
@rohit_negi9
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14
267
27 Dec 2025
Day 20 | Strike (DSA GenAI) – Lecture 12 by RohitNegi
Learned Space Complexity and deep-dived into Selection Sort.
Understood why its time complexity is n² in both best and worst cases, and how it works as an in-place algorithm using real-life examples
#DSA #StrikeCourse
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26 Dec 2025
Day 19 | Strike (DSA GenAI) – Lecture 8 by @rohit_negi9
Learned how recommendation systems work using vectors & embeddings, why brute force and graph approaches don’t scale, and how neural networks create similarity-based recommendations.
#StrikeCourse #DSAandGenAI #GenAI
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