#Dsa Coding Challenges

Comment “LEETCODE” for the links. You’ll Never Struggle With LeetCode Again 🧠 📌 Master DSA and problem-solving with these free resources: 1️⃣ 8 Patterns to Solve 80% of LeetCode Problems – Sahil & Sarra 2️⃣ Data Structures and Algorithm Patterns for LeetCode Interviews – freeCodeCamp 3️⃣ DSA Roadmap – roadmap.sh Stop getting stuck on random problems and start solving smarter. These resources teach you the core LeetCode patterns, how to break down problems logically, and prepare for FAANG-level interviews with structure — not chaos. Whether you’re aiming for interview success, coding mastery, or just want to understand how top engineers think, this is your go-to LeetCode roadmap. Save this post, share it, and start building real DSA confidence today. 💪

Comment "CODE" if you want the clear Brute Force and HashMap code with full explanation PDF. 🔥 Day 1 of 100 Days LeetCode DSA Challenge 🚀 Problem: Two Sum Most beginners solve this using Brute Force, which takes O(n²) time because we check every pair. But in this video, I explained how to optimize it using HashMap and reduce the time complexity to O(n). ⚡ This is how top programmers think — first brute force, then optimize. If you are starting DSA, this is the most important problem to understand HashMap concept clearly. Follow @Codewithkirann for daily DSA problems and explanations. #day1 #100daysofcode #leetcode #dsa #python coding programming computerscience learntocode codewithkirann

7 days, 7 projects! 💻🤗 Hi I’m Anji! From calculators to Pokemon battles, every day, a new build has been a fun experience. Part of my 30-day coding challenge with @programiz.pro I can’t believe week one’s already done 🥹 Which project should I build next week? 👀

If I was a beginner learning to code, I would use this 90 day roadmap step by step for beginners 💪 #coding #codingforbeginners #learntocode #computerscience #programming

DSA Practice cheatsheet #engineering #instadaily #instagood .

Comment “LINK” to get links! 🚀 Want to learn Data Structures and Algorithms in a way that actually sticks? This mini roadmap helps you go from confused beginner to solving problems confidently with the right mental models. 🎓 DSA Visualizer Perfect first step if you get lost in theory. You can visually understand how stacks, queues, trees, heaps, and sorting actually move step by step. Great for building intuition before you grind LeetCode. 📘 VisuAlgo DSA Now level up your understanding with interactive animations and explanations for classic algorithms and data structures. This is amazing for topics like BFS, DFS, shortest paths, hashing, heaps, segment trees, and complexity intuition. 💻 USFCA CS Lectures Time to learn the real foundations. These university style notes and visuals help you understand data structures, recursion, runtime analysis, and algorithm design patterns properly so you are not just memorizing solutions. 💡 With these DSA resources you will: Understand core data structures with visual intuition Learn common algorithm patterns for interviews Improve problem solving for LeetCode and coding assessments Build a strong base for system design and backend engineering If you are serious about software engineering interviews, competitive programming, or becoming a stronger developer, mastering DSA is one of the highest ROI skills. 📌 Save this post so you do not lose the roadmap. 💬 Comment “LINK” and I will send you all the links. 👉 Follow for more content on DSA, coding interviews, and software engineering.

I always thought coding was kinda boring—until I found this site that actually makes it fun. If you’ve ever wanted to learn but felt overwhelmed, this is a game-changer. Yeah, tech can seem intimidating at first, but if you like a good challenge, you’ll never be bored. That first time you get your code to work? It’s a feeling you won’t forget. #tech #coding #fyp #learning #programming #aesthetic

Day Zero: #100daysofcode journey 🚀 🧑‍💻 Embarking on a coding odyssey. Join me on my 100-day challenge mastering DSA from scratch and Full Stack MERN Development on Instagram. 📚 Daily updates, motivation, career pathways and triumphs - Let's conquer, let's crack FAANG together.  🎯 Today's Topic Covered: - Time and Space Complexity (Big Oh) - Basic Mathematics ( Factorials, Series GP, Prime numbers, Divisors, Under Modulo, Multiplicative Inverse, Trailing numbers) ♾️ Motivation Of The Day: I know we start DSA on high node and after few days of try and failed we quit, and this generally happens because we lack consistency and persistence. We need someone to give a kick so that we stay focused. So why not support each other in this journey and keep pushing each other to go a mile extra.  🌟 I do code in Python and if you want my code base, Leet Code solutions and Full DSA roadmap for 100days challenge in advanced comment down "CHALLENGE ACCEPTED". I'll send you the roadmaps and DSA resources for free. ⬇️ ♥️ FOLLOW ME FOR MORE SUCH CONTENT AND FREE STUDY RESOURCES: Check links are in bio 🔗 @siliconvalleyguy_ @siliconvalleyguy_ @siliconvalleyguy_ 💭 Share your thoughts in comments 👉 🗣️Ask any Coding, Career, Study Abroad related questions. --------------------------------------------------------------------- 🏷️🔖 Tags #100daysofcode #100daysofcodechallenge #dsa #siliconvalleyguy #mern #mernstack #python #softwaredeveloper #softwareengineer #datastructure #faang #studyabroad #career #motivation

4 Websites To Gamify Learning How To Code👾 🎮Codédex - this is the OG website to learn how to code while playing games! There are CS courses based on C++ and Java where you can work through mini games to learn OOP! 🏝️SQL island - after you survived a plane crash you’re stuck on SQL island! You can make progress by learning how to code and eventually escape the island! 🏙️Elevator Saga - amazing game for learning big O and how to write efficient and fast code! You have to transport a number of people up the elevator in a certain amount of time! 🎲Codingame - so many languages to learn and so many games to play! This one has everything. Comment if you’re a gamer and want to learn how to code! 📌SAVE this for later! ✅FOLLOW for more helpful tips to learn how to code! #computerscience #compsci #programming #coding #computersciencemajor #computersciencestudent #studytips #codinglife #softwareengineering #programminghumor #java #python #codingfun

🌟 Day 3 of my Daily LeetCode Journey! 🚀 1: Two Sum Today's challenge dove into the world of arrays and dictionaries (hashmaps), focusing on efficient problem-solving (big-o notation). Key Takeaways: 1. Traverse through the array, keeping track of each element's complement (target - current element). 2. Use a dictionary (hashmap) to store and quickly access the indices of the elements. 3. Check for the complement in the dictionary (hashmap) to find the two numbers that add up to the target. This solution showcases the efficiency of hashmaps in reducing time complexity, a crucial skill in coding interviews. 🧠💡 Every problem solved is a step forward in our coding journey. Keep pushing those boundaries! Follow for more insights and daily solutions on our LeetCode Journey! 💻✨ #TwoSum #ArrayHandling #PythonCoding #FAANG #Algorithms #Python #DSA #DataStructures #CodingInterview #CrackingTheCodingInterview #LeetCodeDaily #LeetCodeChallenge #SoftwareDevelopment #ProblemSolving #CodingJourney #LeetCodePython #DailyCoding

Day 1: Logic Building Lets learn DSA concepts ⏫ 🔥 Problem Name: Halloumi Boxes 🔥 Platform: Codeforces 🔥 Level: Easy 🔥 Topics: Array, Loop 🔥 Solution: In all the cases we can sort the array and our answer will be "YES", Except one case when array is not sorted already and k<=1. If k>1 then we can always choose subarray of size 2 and swap it. Similar to selection sort. Follow 🤝 dsaa2z on Youtube for learning DSA in most optimal way. Our channel is highly beneficial for coders who want to learn DSA using coding languages like python, c++, java, JavaScript, c etc. Our videos help users to know how to crack dsa interviews in companies as well as coding contest. We generally provides important concepts in coding. How to Start coding: Steps: ➢ Learn Basics of any coding language. ➢ Start Understanding basic concepts like conditions, loops, functions, arrays etc. ➢ Start solving simple questions like odd/even, prime/composite, hcf etc. ➢ Start learning basic algorithms like searching, sorting, pattern. ➢ Go for topics like Greedy, Recursion, Dynamic Programming, Graph Theory. It is a path full of toughness and difficulties, But one thing i am sure about you will enjoy this. ✍️ DM me for 1:1 mentorship Like, Share and follow to support 😊😊😊. #datastructure #dsa #problemsolving #logicbuilding #90days #90dayschallenge #challenge #coding #placements #interview #job #algorithms #programming #competition #competitiveprogramming

Master DSA in 45 days . . . #dsa #coding #code