AWS Engineer Gets STUMPED In Interview! | Software Engineering Mock Interviews (

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Table of Contents:
0:00 - Introduction
0:18 - Problem Introduction
2:09 - Visit interviewpen.com
2:28 - Clarifying Assumptions
12:07 - Beginning Code
15:33 - hasAccess() Helper
21:12 - Thinking Through the Recursion
22:26 - Re-Looking At Inputs
23:00 - Seeing an Easier Approach
24:10 - Pivoting to Bottom-Up Climb
26:28 - Building the Folder Dictionary
28:33 - Climbing the Folder Tree
31:56 - Running the Code
32:47 - Time Analysis
34:43 - Balanced Folder Tree
36:02 - Space Analysis
37:03 - Reflection
39:30 - Other Tips
41:42 - Visit interviewpen.com
Erratum:
(let us know of any errors & they will be added here)
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Website: interviewpen.com/?...

[@interviewpen]

We'd recommend you play these at 1.5x-2x! Thanks for watching & we thank Samrat for joining us (he did great 💫)! Visit interviewpen.com/? for more great Data Structures & Algorithms + System Design content 🧎

[@nace.plesko]

Awesome video! I like how he makes sure that he is building the right thing and not just building something. Although I also got thrown of by child being on the left and parent on the right - at the beginning I understood that the parent is on the left. Anyway, it's cool to see what things he has in mind at the very beginning, like caching, the size of inputs, validation of inputs, etc. Very cool and insightful to watch!

[@sunitachaudhary9538]

Well done👍👏👏

[@interviewpen]

Thank you! Cheers!

[@rashmithakur9270]

Very nice!

[@interviewpen]

Thanks!

[@vineetathakur4106]

Love the confidence of the young boy... Samrat

[@interviewpen]

indeed

[@kumarashutosh229]

It's more or less like "Check if Acess & Folder have got the same parent". If yes, we have access, false otherwise.

[@interviewpen]

basically - find the lowest access-granted ancestor for a given node.

[@kumarashutosh229]

You guys are doing great. Just make it raw, unlike others. Give it a touch of realism so that we could see ourselves connected. 🤘🤘

[@abhis3kh]

would love to see System design from Current Industry developers

[@interviewpen]

We’ll do some system design mock interviews soon

[@DmitryPolovka]

Do you sit across each other? :D

[@interviewpen]

Yes

[@dev233]

First comment :D

[@interviewpen]

nice