In this video, I’ll solve 4 super important LeetCode problems that will build your foundation to crack high-paying tech jobs.
I’ve covered topics like Coordinate Compression, Implicit Segment Tree, Fenwick Tree, Bipartite Coloring and more, in a simple language so you can understand them easily.
Practicing LeetCode problems helps you understand the pattern of questions and improves speed and accuracy for cracking interview rounds at Top product-based companies.
Whether you’re just a final year student preparing for campus placement or a working professional looking for a career transition into tech, this series is designed for you!
Like, share, subscribe, and don’t forget to press the bell icon to get notifications!
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📌 Timestamps 📌
00:00:00 - Intro
00:06:31 - Problem 1: Easy Version
00:09:58 - Lower Bound and Upper Bound
00:12:05 - Data Structures for Range Sum
00:12:53 - Prefix Sum
00:17:00 - Problem 1: Harder Version
00:19:22 - Coordinate Compression in Segment Tree
00:24:49 - Implicit Segment Tree
00:30:19 - Fenwick Tree
00:36:48 - Problem 2
00:42:59 - Bipartite Coloring
00:50:22 - Problem 3
00:54:44 - Technique 1: Prime Factorization
00:59:29 - Technique 2: DFS Optimization
01:05:52 - Upcoming LLD Master Class
01:10:37 - Problem 4
01:19:06 - Prefix Sum Technique
01:45:03 - Live Q&As
01:56:31 - Conclusion
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🔗 Resources & Links Mentioned:
I’m teaching in the new AlgoZenith Premium Cohort, which started on 9th August.
Join here: https://maang.in/premium
Use this coupon code for a discount: AZCP012386TAI
If you’re a beginner, here are some free resources to help you get started:
✅ Free C++ course with certificate (taught by me): https://bit.ly/3I52EAb
✅ More free beginner-friendly courses: https://bit.ly/3SKoCNO
Want to connect or explore more resources?
All my links are here: https://linktr.ee/vivek_gupta
🎙️ New to streaming or want to level up your setup?
Check out StreamYard and get ₹740 off on signup: https://streamyard.com/pal/d/45857461...
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😃 ABOUT ME
I’m Vivek, an engineer, Ex-Googler, ICPC World Finalist turned educator, and founder of AlgoZenith. I’ve taught Data Structures, Algorithms, and Competitive Programming to over 3000+ students and worked with 10+ engineering colleges to bridge the gap between college learning and real-world tech careers.
Through AlgoZenith, I help students crack top product-based companies and become industry-ready. On this channel, you’ll find videos on coding strategies, roadmaps, interview prep, problem-solving techniques, and everything you need to level up your software career. If that’s your thing, do subscribe and hit the bell icon so you don’t miss a thing 🙂
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📲 SOCIALS
Instagram: / vivekgupta.ai
Twitter: https://x.com/vg19988
LinkedIn: / acraider
Codechef (5 ⭐️): https://www.codechef.com/users/acraider
Codeforces (Master, max. 2269): https://codeforces.com/profile/acraider
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🏷️ TAGS
leetcode problems solved, how to solve leetcode problems, live leetcode solution, leetcode weekly contest, leetcode biweekly contest, leetcode for beginners, leetcode daily challenge, leetcode 2025, maang interview preparation, leetcode problems python, leetcode problems java, maang interview prep, maang interview preparation 2025, campus placement preparation, dsa interview prep 2025, dynamic programming, segment tree, algozenith, vivek gupta live classes
HASHTAGS
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