🔥 Day 22/90 | Intervals Pattern Mastery (LeetCode 986 & 3169) | DSA Pattern You Must Know! скачать в хорошем качестве

🔥 Day 22/90 | Intervals Pattern Mastery (LeetCode 986 & 3169) | DSA Pattern You Must Know!

Telegram Channel : https://t.me/ctobhaiya_tg Instagram:   / ctobhaiya   Linkedin:   / anuj-kumar-a-k-a-cto-bhaiya-on-youtube-9a1...   Github: https://github.com/team-codebug/babua... Notes: https://github.com/team-codebug/babua... 🔥 Day 22 / 90 — Intervals Pattern Mastery (LeetCode 986 & 3169) In Day 22 of the Babua DSA Patterns Course, we deep-dive into the Intervals Pattern by solving two important interview problems that test your ability to compare, intersect, and reason about ranges efficiently. 📌 Problems covered in this lecture: ✅ LeetCode 986 – Interval List Intersections Learn how to: Use two pointers to traverse two interval lists Detect overlaps using clean mathematical conditions Build intersections without extra space Reduce a brute-force O(N²) approach to O(N + M) ✅ LeetCode 3169 – Count Days Without Meetings Understand how to: Merge overlapping meeting intervals Identify gaps between intervals Translate real-world calendar logic into interval math Avoid off-by-one mistakes in range problems 🧠 What You’ll Learn in This Video When two intervals overlap (intuition + formula) Why only one pointer moves at a time How sorting simplifies interval problems Difference between merge vs intersection Common interview traps in interval questions 🎯 Why This Lesson Matters Intervals are guaranteed interview favorites: Calendar scheduling Meeting rooms Time ranges Availability checks System design edge cases Once you master this pattern, multiple problems collapse into the same logic. 📘 Part of the 90 Days Babua DSA Patterns Course This course focuses on: Pattern-based thinking (not rote memorization) Interview-ready logic Clean code + intuition FAANG-level problem solving 👉 Watch till the end to lock the Intervals Pattern for life. 🚀 Next Up More interval + two-pointer hybrid problems as we push closer to advanced interview patterns. 📌 Like • Comment • Share 📌 Subscribe for daily DSA consistency Hashtags: #BabuaDSAPatterns #Day22DSA #IntervalsPattern #LeetCode986 #LeetCode3169 #IntervalListIntersections #CountDaysWithoutMeetings #TwoPointers #DSAPatterns #LeetCodeDaily #CodingInterviews #FAANGPreparation #DSAForPlacements #CTOBhaiya #InterviewReady #ProblemSolving #DataStructuresAndAlgorithms #CodingPractice #SoftwareEngineering #CompetitiveProgramming Your Queries: babua dsa patterns day 22 dsa intervals pattern leetcode 986 interval list intersections leetcode 3169 count days without meetings interval problems leetcode two pointers intervals merge intervals interval intersection dsa interview prep faang dsa coding interview questions dsa for placements cto bhaiya dsa leetcode intervals explained pattern based dsa 90 days dsa course CHAPTERS 00:00 - Introduction & Recap 01:15 - LeetCode 986 - Theory 21:30 - LeetCode 986 - Code 32:42 - LeetCode 3169 - Theory 43:26 - LeetCode 3169 - Code 55:05 - Conclusion #DSAPatterns2025 #DSAin90Days #CodingInterviewPreparation #FAANGPreparation #LeetCodePatterns #CTOBhaiya #DSAMastery #DataStructuresAndAlgorithms #CodingInterviewBootcamp #LearnDSA #CodingChallenge #ProblemSolvingPatterns #ZeroToHeroDSA #ThinkInPatterns #90DayDSAChallenge #DSAPlaybook #CrackFAANG #JavaDSA #PythonDSA #CodingJourney #FAANGInterviewPrep #IITianDSACourse #DSACourse2025 #LearnCodeCrack #DSAPlaylist #CrackCodingInterviews #ProgrammingLogic #DSACompleteCourse #DSARevision #DSAStudyPlan Your Queries: DSA Patterns 2025 DSA in 90 Days Coding Interview Preparation FAANG Preparation LeetCode Patterns Data Structures and Algorithms Course DSA by IITian CTO Bhaiya DSA DSA Roadmap 2025 Crack FAANG Interviews Coding Interview Bootcamp Learn DSA Smartly DSA Patterns Course DSA Challenge 2025 Coding Interview Tips Problem Solving Patterns Algorithm Mastery Java DSA Course Python DSA DSA Playlist DSA Revision Think in Patterns ========================== ➡️ Connect with me: Linkedin:   / anuj-kumar-a-k-a-cto-bhaiya-on-youtube-9a1...   Instagram:   / ctobhaiya   Telegram Channel : https://t.me/ctobhaiya_tg ==========================