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👉Day 18 of learning DSA in C++ journey with @rohit_negi9 Bhaiya ! 💡Today’s grind: Time & Space Complexity, Big O/Θ/Ω, and 10 real examples (O(1) → O(n²)) ⚡Time & Space Complexity took me way longer to grasp than any other topic so far #100DaysOfDSA #DSAinCPP #BigONotation…

Update on DSA: Did problem no. 852 on leet code Peak index in mountain array bala problem sikha .. Important note: dry running your code in your notebook by yourself is very important to fully understand how your code works 🙂 #DSA #CPP #DSAINCPP

🔁 Next Greater Element II — Circular array twist on a classic! Leetcode 503 explores how to efficiently find the next greater element using a monotonic stack in O(n). Think beyond linear — simulate the circle smartly. #Leetcode #DSAinCPP #Stack #Queue #LearningJourney

📊 Largest Rectangle in Histogram — A fundamental stack-based approach to find the maximum area in a histogram in O(n) time. Master this pattern—it’s the backbone of many monotonic stack problems. #Stack #Leetcode #DSAinCPP #LearningJourney

🧮Design a Min Stack — Support push, pop, top, and get Min in O(1) time. Elegant space-optimized approaches using auxiliary stacks or encoded values. 📌A LeetCode classic for mastering stack design. #MinStack #DSAinCPP #Leetcode #LearningJourney

📉 Previous Smaller Element — Solved optimally in O(n) using a Monotonic Stack. A foundational pattern for problems like Histogram, Stack Span (in reverse), and more. 🔗LeetCode-style approach #MonotonicStack #Leetcode #DSAinCPP #LearningJourney

🔍 Next Greater Element — Solved using a monotonic stack for O(n) efficiency. This pattern shows up in countless problems. Understand it once, use it forever. Clean logic. Crisp code. #Stack #DSAinCPP #Leetcode #LearningJourney

📈 Cracked the Stock Span Problem with an optimal stack-based approach! Mastering such patterns not only sharpens problem-solving but builds real market intuition too. Every line of code counts. #StockSpan #DSAinCPP #Leetcode #Stack #LearningJourney

✅ Just tackled the Valid Parentheses problem using Stack – a classic for understanding balanced expressions & stack logic. Clean, structured, and a must-know! #DSAinCPP #Stack #LearningJourney

📚 Started with Stacks today – a powerful LIFO data structure with endless real-world use cases. From undo features to syntax parsing, it’s all stacked up here. #Stacks #DSAinCpp #LearningJourney

Tackled Swap Nodes in Pairs in Linked List today 🧠 A great hands-on with pointer logic and node manipulation. Clean swaps, cleaner logic. #LinkedList #DSAinCPP #LearningJourney

Wrapped my head around pointer puzzles to solve Reverse Nodes in K-Group 💡 A tricky yet elegant Linked List challenge that teaches you precision and pattern in pointer manipulation. #Leetcode #LinkedList #DSAinCPP #LearningJourney

Unfolded complexity in style 🧩 Solved Flatten a Doubly Linked List using recursion + pointer magic. Cleaned up nested chaos into a smooth linear structure. #Leetcode Question - 430 #DSAinCPP #LearningJourney #DoubleLinkedList

Tackled Flatten a Doubly Linked List today 🔗🧠Unfolded nested structures into a single linear, doubly linked list using recursion and careful pointer manipulation. A great exercise in mastering linked list traversal! #Leetcode430 #DSAinCPP #DoubleLinkedList #LearningJourney

Explored Circular Linked List today 🔁 No NULLs, just a perfect loop—where the last node connects back to the first. Efficient for round-robin tasks & buffering systems. #DSAinCPP #CircularLinkedList #LearningJourney

Diving into Doubly Linked List today 🔄 Two pointers, double the flexibility — makes insertions & deletions smoother in both directions. A must-know for mastering linked lists. #DSAinCPP #DoubleLinkedList #LearningJourney

Tackled the Copy List with Random Pointer problem today 🧠📌 It’s more than just a deep copy—preserving structure with random pointers took precision and smart hashing. #DSAinCPP #LinkedList #Pointer #LearningJourney

Merging two sorted linked lists into one seamless sequence 🔗 Handled edge cases, ensured stability, and kept it clean & efficient. One of the classics — mastered.✨ #LinkedList #DSAinCPP #LearningJourney

Cycle in a Linked List? 🌀 Used Floyd’s Cycle Detection Algorithm to not just detect but also remove it. Efficient. Elegant. A must-know for any serious developer. #LinkedList #DSAinCPP #LearningJourney

Finding the Middle of a Linked List 🧠📍 Used the slow and fast pointer approach for optimal time ⏱️ Clean, efficient, and a frequently asked interview favorite! #LinkedList #DSAinCPP #LearningJourney

Update on DSA: Did problem no. 852 on leet code Peak index in mountain array bala problem sikha .. Important note: dry running your code in your notebook by yourself is very important to fully understand how your code works 🙂 #DSA #CPP #DSAINCPP

DAY 1 ✅ #DSAINCPP

✅ Completed 100 Lectures! 📚 DSA in C++ – Coder Army Learning step by step, from Stack to Dequeue. Still 63 lectures to go, but I'm proud of this progress. #CoderArmy #100LecturesDone #DSAinCPP #LearningJourney

👉Day 18 of learning DSA in C++ journey with @rohit_negi9 Bhaiya ! 💡Today’s grind: Time & Space Complexity, Big O/Θ/Ω, and 10 real examples (O(1) → O(n²)) ⚡Time & Space Complexity took me way longer to grasp than any other topic so far #100DaysOfDSA #DSAinCPP #BigONotation…

#coding #DSAinCpp Day 15th of my coding journey today's lecture is amazing and little heavy but I am completed from DSA series by @ShradhaKhapra_ mam topic covered in this lecture is memory address, pointers, dereferencing and many more thanks to mam to provide quality content.

🔥 Kadane's Algorithm—the ultimate hack for finding the Maximum Subarray Sum! 🧠 Mastered this game-changing approach in @ShradhaKhapra_ Ma'am's DSA Series. Simplifying complex problems, one lecture at a time. 💻✨ #DSAinCPP #LearningJourney #Array