Java and DSA Foundation Course

Currently Playing: Stacks : Interview Questions | Leetcode Problems | Lecture 55 | Java and DSA Course

In this video, Raghav Sir will teach you TOP INTERVIEW questions of Stacks. This is Lecture 55 of the JAVA & DSA series and the second video of Stack. Various questions and patterns of questions are covered in this lecture. Infix, Prefix, Postfix evaluations and conversions and related questions of Stacks will be covered in the next Lecture in detail, coming VERY SOON. Annotated Notes Link: https://drive.google.com/file/d/1MFQ4_eqUWysvo5CJXGRAJ2h3mhhTewNb/view?usp=sharing 00:00 Introduction 02:26 Q1 : Balanced Brackets 23:57 HW 2 : Minimum No. of brackets removed to make sequence balanced 26:01 HW 3 : Valid bracket sequence 29:54 Q4 : Remove consecutive subsequences 56:52 Q5 : Next Greater Element 1:30:42 HW 6 : Stock span problem 1:47:12 Q7 : Next Greater Element - Method 2 1:55:04 Q8 : Largest area Histogram 2:39:02 Q9 : Min Stack For any Batch Related Queries Please Connect - 7019243492 1) Data science Masters 2.0 Hinglish batch : https://pwskills.com/course/Data-Scie... English batch : https://pwskills.com/course/Data-Scie... 2) Full Stack Web Development 2.0 Hinglish batch: https://pwskills.com/course/Full-Stac... English batch: https://pwskills.com/course/Full-Stac... 3) Java with DSA and System Design 2.0 Hinglish batch: https://pwskills.com/course/Java-with... English batch: https://pwskills.com/course/Java-with... Website - https://pwskills.com/ 📌 𝐏𝐇𝐘𝐒𝐈𝐂𝐒 𝐖𝐀𝐋𝐋𝐀𝐇 𝐎𝐓𝐇𝐄𝐑 𝐘𝐎𝐔𝐓𝐔𝐁𝐄 𝐂𝐇𝐀𝐍𝐍𝐄𝐋𝐒 : 🌐 PhysicsWallah -Alakh Pandey: https://youtube.com/@PhysicsWallah 🌐 Alakh Pandey: https://youtube.com/@alakhpandey1414 🌐 JEE Wallah: https://youtube.com/@jee_wallah 🌐 Competition Wallah: https://youtube.com/@PW-NEETWallah 🌐 PW Foundation: https://youtube.com/c/PhysicsWallahFoundation 🌐 NCERT Wallah: https://www.youtube.com/channel/UC8zCnnfhz-dvIpVdZ1CheuA 🌐 Defence Wallah: https://youtube.com/channel/UC8OCoGX9tmMneOzIFUTWq2Q 🌐 PhysicsWallah English: https://youtube.com/@EnglishPW 🌐 PW Vidyapeeth: https://youtube.com/@VidyapeethPW 🌐 Commerce Wallah by PW: https://youtube.com/@commercewallahpw 🌐 CA Wallah bt PW: https://www.youtube.com/channel/UC2amkJX5zDyQJ0mDajAWRSA 🌐 PW Sarkari Exam: https://youtube.com/@PWSarkariExams 🌐 PW - Hindi Medium: https://youtube.com/@physicswallahhindimedium 🌐 PW Bangla: https://youtube.com/@pwbangla 🌐 PW Maharashtra: https://youtube.com/@PWMaharashtra 🌐 PW Telugu: https://youtube.com/@PWTelugu 🌐 PW Kannada: https://youtube.com/@PWKannada 🌐 PW Gujarati: https://youtube.com/@PWGujarati 🌐 PW Facts: https://youtube.com/@pwfacts 🌐 PW Insiders: https://youtube.com/channel/UCHMWQFr9Nwo3wJsAap2Wnfw 🌐 PW Little Champs: https://youtube.com/@pwlittlechamps 🌐 PW Pathshala: https://youtube.com/channel/UCcXUY9NSMyYbkOvUD97CUmA 🌐 Banking Wallah : https://www.youtube.com/channel/UCg5_K50hLTKerLkSE7I1yWQ 🌐 SSC Wallah : https://www.youtube.com/channel/UCcaEVV7A47J4k9GFcqOOYkg 🌐 JEE Challengers by PW : https://www.youtube.com/channel/UCyf71tWV2abeN-l_UKiJ-5g 🌐 UPSC Wallah : https://www.youtube.com/channel/UCqOy6oOu6RPJNHYQ8f_Ybvg 🌐 UPSC Wallah हिन्दी : https://www.youtube.com/channel/UCmrP-DYdZuThp8AO9lnnwNw 🌐 GATE Wallah : https://www.youtube.com/channel/UC9PoSJoftLvEnXT-PtQ5Wtw 🌐 GATE Wallah - EC,EE & CS : https://www.youtube.com/channel/UCuGWIkiNaWjsCqybgxGuxfg 🌐 GATE Wallah - ME, CE & XE : https://www.youtube.com/channel/UCGrrw9x3_B_fItUIBMvqAUw 🌐 GATE English : https://www.youtube.com/channel/UCOsV75fSUr8gnMbhx-Qh3Lg 🌐 College Wallah : https://www.youtube.com/channel/UCDrf0V4fcBr5FlCtKwvpfwA 🌐 PW IIT JAM & CSIR NET : https://www.youtube.com/channel/UCuj28Zll58sztDqLiDhzgtQ 🌐 Teaching Wallah: https://www.youtube.com/channel/UCUzqJZOkCejFoc5eqWWA9Eg 🌐 CUET Wallah: https://www.youtube.com/@cuetwallahpw 📌 𝐏𝐇𝐘𝐒𝐈𝐂𝐒 𝐖𝐀𝐋𝐋𝐀𝐇 𝐒𝐎𝐂𝐈𝐀𝐋 𝐌𝐄𝐃𝐈𝐀 𝐏𝐑𝐎𝐅𝐈𝐋𝐄𝐒 : 🌐 Telegram : https://t.me/Physics_Wallah_Official_Channel 🌐 Facebook : https://www.facebook.com/physicswallah 🌐 Instagram : https://www.instagram.com/physicswallah/?hl=en 🌐 Twitter : https://twitter.com/physics__wallah 📌 For any queries or complaints Visit : https://bit.ly/PW_Queries #Stack #InterviewQuestion #Leetcode #Java #DSACourse #CollegeWallah #PWSkills #PhysicsWallah