Insert Delete GetRandom O(1) | leetcode 380 | Hindi

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amazing explanation...i previously thought only hashset is enough but now I have got a new idea

yashikant

wow! i really tried this with hashset ! you are so experienced that you know what people are going to do! amazing man .
P.S : still waiting for comparator video

anirudhbhat

Sir love to see ur videos .. Respect from core of my heart ur explanation is amazing

himanshuchhikara

hats off to your amazing explantion. keep up the good work.

santasingh

sir, please try to write code in c++ also, because some newbie have a problem to convert code into c++ and you can easily write code for c++ just spending 2-5 more minutes.

shivanshutiwari

If we comvert hashset to array and search using random index we can get it in constant time.

kumarshivam

When I am submitting this solution on leetcode it is giving me error of illegal bound! ! What to do??

saranshsaxena

Insert(5) insert(5) remove(5) for this query the given approach is wrong as we are storing 5 once only after removal datastructure should have 5 but it doesn't.

durgeshnandan

In Hashset Method :- "HashSet does not maintain any order" so first element return kr de random ki jarurat hi nahi hai, am i right?

iamkdblue

sir pls upload a video on google kickstart 2020 round c specially perfect subarray prblm

ankushroy

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