Hashsets and HashMaps | Why and where do we use them in problems | Bharath Chandra

Hello guys, cheers to another piece of learning. Today I talked why we use hashsets and hashmaps! Why do we need them when we have arrays? And I also discussed the ideation behind using them in coding problems.
HashMaps in Python - www.w3schools.com/python/pyth...
Hashset in Python - www.w3schools.com/python/pyth...
This video is a part of Neetcode 150 playlist on my channel
Link to Neetcode 150 Playlist - • DSA Neetcode - 150
Link to Neetcode 150 - neetcode.io/practice
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00:00 - Example
00:50 - Introduction
01:20 - Why not Arrays?
02:53 - How to optimise searching
04:00 - Hashset
09:05 - HashMaps
18:09 - Conclusion

[@donelamani5261]

Please continue this series anna🔥🔥. It will definitely helpful to us❤️. Nice Explanation 👍👍👍

[@bhaskar4910]

Bro time complexity mida video chey bro🙏🙏😭

[@thebharathchandra]

Ostundi bro next 3 days lo release chestha

[@shaiksadiq5493]

Love u bro

[@thebharathchandra]

Love you too bro!

[@user-mrwhoyouknow]

Great content 😊 , please do more

[@thebharathchandra]

Thank you. Keep Learning till you understand all Neetcode 150 problems solutions

[@user-mrwhoyouknow]

@@thebharathchandra can you make more videos on how to build logic , getting better at finding patterns and stuff to implement in code ?

[@thebharathchandra]

You'll understand all this through this playlist!

[@praveen22224]

bro chala baga explain chesaru kani Time Complexity and Space complexity o(n), o(1) emi ardam kaledhu...Please do detailted video on Time Complexity and Space complexity please🙏🙏

[@thebharathchandra]

Ostundi bro next 3 days lo release chestha

[@hemanth9731]

Bro hashset dictionary format lo save avutundi like {"SHYAM":123} ila mari hastmap ela store avutundi Can you explain with a visual representation

[@thebharathchandra]

Hashmap dictionaries vaadi implement chestham bro. Hashsets arrays vaadi implement chestham

[@hemanth9731]

@@thebharathchandra next video nunchi elanti topics explain chesetappudu data inside ela store avutundo kuda cheppandi bro because Implementation chesetappudu doubts vastunnay

[@hemasundarjanapala8431]

Bro by using java kuda chyochu aa okavela java using kastam ga unte vere language choose chesukovala...

[@thebharathchandra]

Java lo kooda chaala mandhi chesthaaru Hema. Language baaga vachi unte continue cheyi ledhante python inka easy ga untundi. Language edhi aina DSA lo logics maatram same untay.

[@arunallanki8914]

Is python the language you used in your interviews ?

[@thebharathchandra]

Ledu Arun. I used C++ in my job interviews