**336 problems solved**

**Rank by points:**#566

**Total points:**401

**13 contests written**

**Rank by rating:**#1120

**Rating:**1707

**Min. rating:**1120

**Max rating:**1738

**From**
Unionville H.S., Olympiads School, University of Waterloo

#### About

Davis Liu, Grade 12 Student @ Unionville High School

##### UHS CS Club

RickeyZ, ayay9, davidhu2006, Darren4141

##### Milestones

2023-11-04: First 20p problem solved

2023-07-25: First 25p problem solved

2023-02-15: CCC Senior 40 points

2022-12-12: First 17p problem solved

2022-10-04: Rated Purple

2022-02-16: CCC Junior 68 points

~O(\sum_{x=1}^{n}\frac{n}{x}) = O(n\int_{1}^{n}\frac{1}{x}dx) = O(n\ln(n))~

#### Rating history

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