Longest substring without repeating characters (LeetCode #3) - Inside code

[@shinebayarya511]

What you're doing is helping me improve my problem-solving skills. Good luck.✊

[@sujeet4410]

I find your explaining the best. A series on the blind 75 and dynamic programming would be very helpful.

[@insidecode]

Thanks! I made a whole course ln Dynamic programming, you can find it in the description

[@Samad_27]

Absolutely fantastic keep uploading videos

[@iwormix6844]

This was my interview question at Coedsignal :)

[@NoNameAtAll2]

for me this stopped being a sliding window and became ...a caterpillar, lol

[@AjithKumaR-jw9wt]

Sir in hashset how it will check duplicate element with o(1) time complexity

[@NoNameAtAll2]

it's property of hashsets - they navigate internal array-like storage, but using hash of input value as indexes

[@meenaprasad400]

There is some error in dafaultdict

[@insidecode]

why

[@meenaprasad400]

@@insidecode in jupyter notebook while running defaultdict line showing error like defaultdict not defined

[@insidecode]

you need to import it from collections import defaultdict

[@meenaprasad400]

@@insidecode ok