2min chapter

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#183 – Po-Shen Loh: Mathematics, Math Olympiad, Combinatorics & Contact Tracing

Lex Fridman Podcast

CHAPTER

How to Build a Tree From the Bottom Up in a Distributed Way

The amount of time it takes to get the total sum is actually just the number of layers in the tree, which is 10. So now that's logarithmic time to add up the number of hours that people slept today. There's only one problem. How did you decide who's person number one and person number two? Yes. The thing has to start simple.

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