Daniel Zhou's Profile

Hi! I'm Daniel Zhou. I post on AOPS solutions to various problems including AMC, AIME, USA(J)MO, HMMT, IMO, etc

Here are some of the contributions I've made so far:

$\textbf{IMO}$

2014 IMO P1
2012 IMO Shortlist, Combinatorics 1
2001 IMO ShortList, Geometry 1

$\textbf{USAMO}$

2020 USOMO P1
2015 USAMO P4
2005 USAMO P1
1996 USAMO P2
1997 USAMO P1

$\textbf{USAJMO}$

2019 USAJMO P1
2015 USAJMO P6

$\textbf{AIME}$

2023 AIME I P12
2023 AIME I P8
2023 AIME I P5
2023 AIME II P9
2021 AIME II P14
2019 AIME II P6
2018 AIME II P13
2016 AIME I P13
2012 AIME I P14
2012 AIME II P14

$\textbf{OTHER}$

2023 ANMC P23
2023 ANMC P17
2019 EGMO P1
2018 Canadian Mathematical Olympiad P3
2016 India Postal Set 3 P2
2016 PUMaC G5 (A) | G6 (B)
2016 PUMaC G7 (A) | G8 (B)
2015 All Russian Olympiad 11.5
2014 Vietnam Mathematical OLympiad P1
2013 Fall OMO P24

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Daniel Zhou's Profile