Daniel Zhou's Profile
Hi! I'm Daniel Zhou. I post on AOPS solutions to various problems including IMO, USA(J)MO, AIME, AMC, ARML, HMMT, PUMac, etc.
Here are some of the contributions I've made so far:
- 2014 IMO Problem 1 (Algebra)
- 2013 IMO Problem 4 (Geometry)
- 2012 IMO Shortlist Problem 1 (Combinatorics)
- 2010 IMO Shortlist - Geometry Problem 1 (Geometry)
- 2006 IMO Problem 1 (Geometry )
- 2001 IMO Shortlist Problem 1 (Geometry)
- 1996 IMO Shortlist Problem 2 (Combinatorics)
- 1995 IMO Problem 1 (Geometry)
2015 USAMO P4 / USAJMO P6
- 2024 AIME I P13
- 2024 AIME II P10
- 2024 AIME II P11
- 2023 AIME I P1
- 2023 AIME I P12 (Solution 4)
- 2023 AIME I P8 (Solution 3)
- 2023 AIME I P5 (Solution 4)
- 2023 AIME II P9 (Solution 2)
- 2021 AIME II P14 (Solution 2)
- 2021 AIME II P14
- 2021 AIME II P9 (Number Theory)
- 2020 AIME I P12
- 2020 AOIME II P9 (Combinatorics)
- 2019 AIME II P6
- 2018 AIME I P15
- 2018 AIME II P13
- 2016 AIME I P13
- 2012 AIME I P14
- 2012 AIME II P14
- 2012 AIME II P15
- 2020 AOIME II P9
- 2016 PUMaC G5 (A) | G6 (B)
- 2016 PUMaC G7 (A) | G8 (B) (Geometry)
- 2018 Canadian Mathematical Olympiad P3
- 2019 EGMO P1
- 2015 All Russian Olympiad 11.5
- 2014 Vietnam Mathematical Olympiad P1
- 2020 USOMO Problem 1
- 2013 Fall OMO P24
- 2023 ARML IR-P6
- 2023 ANMC P17(AOPS Nurds Math Contest)
- 2023 ANMC P23 (AOPS Nurds Math Contest)
- 2016 India Postal Set 3 P2
- 2023 Michigan Math Meet