Leetcode - Random Pick with Weight (Python)

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June 2020 Leetcode Challenge
Leetcode - Random Pick with Weight

Timothy H Chang

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Thank you for the amazing videos. Very very useful.

ps-vqwf

You have such a straight forward way of explaining. Honestly this was better than the other videos on youtube. The solution is not efficient, but now I know how to get to an efficient solution. Thank you!

fdm

Easy to understand and straightforward to implement.

ChalChalaChalRahi

Man whenever I don't know how to solve a leetcode problem I search your channel first

hangchen

This is a very smart solution, how do you come up with these ?

Rancha

Love bumping into your videos. Thanks!

TheAlexanderEdwards

Hi! Thanks for making this video. Why does it work by using less than? Wouldnt it need to be greater than because the list needs to be in ascending order?

nikitayurkov

Don't follow this solution entirely. Instead of looping directly, you can binary search that list until L < R and then return L

BRBallin

And one more thing, you said random.choices didn't work random.randint worked, there is some way of testing issue as all random functions will tend to pick different values. So, I guess due to previously set testing strategy, it is happening. Where did you learn python, please give an advice .?

armanbeerdhindsa

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