L7 - Multi Dimensional DP | Maze With N Doors And 1 Key | 3D DP | Bottom Up 3 Ways | Intuition Focus

Описание: Today in Lecture 7 of Multi Dimensional DP (GRID DP), we solve Coding Ninjas (MEDIUM). Maze With N Doors and 1 Key problem using 3D Dynamic Programming with a focus on intuition building. Tracking both position and key state reveals the transitions that decide when a door can be passed, shaping the full DP formulation and we will be discussing 𝟯 𝗗𝗜𝗙𝗙𝗘𝗥𝗘𝗡𝗧 𝗕𝗢𝗧𝗧𝗢𝗠-𝗨𝗣 𝗔𝗣𝗣𝗥𝗢𝗔𝗖𝗛𝗘𝗦 to understand optimization choices clearly. Learn Recursion ⮕ Memoization ⮕ Tabulation ⮕ Space Optimization and build your DP foundation in Hindi.

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⮕ Problem Link: https://www.naukri.com/code360/proble...
⮕ Code Link: https://github.com/hiren-j/dsaAffecti...

Welcome back to the ULTIMATE DP SERIES in HINDI | vHiren DP Series
This series is designed to help you master Dynamic Programming for coding interviews. From beginner to advanced level, this series covers 12 DP Patterns In which we'll be focusing on recursion, memoization, tabulation, space optimization—everything you need to know about DP. Here are the patterns which you'll be learning :-
⮕ 1D DP
⮕ Multi Dimensional DP
⮕ Subarrays DP
⮕ Subsequences DP
⮕ LIS DP
⮕ String DP
⮕ Stocks DP
⮕ Game Theory DP
⮕ Partition DP
⮕ Square Submatrix DP
⮕ Tree DP
⮕ Graph DP

🔍 What sets this series apart :-
⮕ Both Top-Down DP and Bottom-Up DP solutions 💡.
⮕ Multiple ways of writing Top-Down and Bottom-Up approaches.
⮕ Solutions consider optimizations as much as possible, including various space optimizations across different patterns (e.g., from 1D to constant space optimization, as we do in Bottom-Up approaches) 🛠️.
⮕ Diagrammatic Explanations, For Example: Tree Diagrams, etc 🤯.
⮕ Detailed time and space complexity note on the recursive solutions ⏱️..
⮕ The perfect sequence of problems for each pattern, helping you solve them in the right order 📊.

Whether you're a beginner in Dynamic Programming or aiming to master it, this series will be helpful for everyone. This is designed to help others so that they won't struggle the same way I did.

Video Chapters :-
0:00 - Understanding The Problem
4:54 - How Problem Give Hints To Think Recursive
5:03 - Approaching Recursion
10:52 - Recursive Code
11:50 - Recursion Time + Approaching DP
12:10 - Coding Memoization + Time Space Discussion
16:45 - Coding Bottom Up + Time Space Discussion

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⚠️ Disclaimer:
This video is created for educational purposes only.
All concepts, explanations, and examples are made by the creator to help students understand Dynamic Programming better.
No copyrighted content or third-party material has been used intentionally.
Any resemblance to other tutorials is purely coincidental.
© vHiren — All Rights Reserved.

Intro Music Credits :-
Song: Blue Boi
Music provided by LAKEY INSPIRED
Video Link:    • LAKEY INSPIRED - Blue Boi  

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