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Difference between revisions of "Daniel Zhou's Profile"
 
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Hi! I'm Daniel Zhou. I post on AOPS solutions to various problems including IMO, USA(J)MO, AIME, AMC, ARML, HMMT, PUMac, etc.
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Hi! I'm Daniel Zhou from Michigan. 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:
 
Here are some of the contributions I've made so far:
  
 
<math>\textbf{IMO}</math>
 
<math>\textbf{IMO}</math>
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# [https://artofproblemsolving.com/community/u530868h596930p27818958 2014 IMO Problem 1] (Algebra)
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# [https://artofproblemsolving.com/community/u530868h596930p27818958 2014 IMO Problem 1]
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# [https://artofproblemsolving.com/community/u530868h1181533p28126160 2013 IMO Problem 4] (Geometry)
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# [https://artofproblemsolving.com/community/u530868h1181533p28126160 2013 IMO Problem 4]
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# [https://artofproblemsolving.com/community/q2h546168p27682771 2012 IMO Shortlist Problem 1] (Combinatorics)
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# [https://artofproblemsolving.com/community/q2h546168p27682771 2012 IMO Shortlist Problem 1]
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# [https://artofproblemsolving.com/community/u530868h418633p28049518 2010 IMO Shortlist - Geometry Problem 1] (Geometry)
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# [https://artofproblemsolving.com/community/u530868h418633p28049518 2010 IMO Shortlist - Geometry Problem 1]
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# [https://artofproblemsolving.com/community/q2h101303p28109192 2006 IMO Problem 1] (Geometry )
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# [https://artofproblemsolving.com/community/u530868h289054p31622440 2009 IMO Problem 4]
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# [https://artofproblemsolving.com/community/q2h17463p27734106 2001 IMO Shortlist Problem 1] (Geometry)
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# [https://artofproblemsolving.com/community/u530868h288839p30896836 2009 IMO Problem 2]
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# [https://artofproblemsolving.com/community/q2h156356p28016389 1996 IMO Shortlist Problem 2] (Combinatorics)
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# [https://artofproblemsolving.com/community/q2h101303p28109192 2006 IMO Problem 1]
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# [https://artofproblemsolving.com/community/u530868h60435p28261617 1995 IMO Problem 1] (Geometry)
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# [https://artofproblemsolving.com/community/u530868h17462p31321520 2001 IMO Problem 1]
 +
# [https://artofproblemsolving.com/community/q2h17463p27734106 2001 IMO Shortlist Problem 1]
 +
# [https://artofproblemsolving.com/community/q2h156356p28016389 1996 IMO Shortlist Problem 2]
 +
# [https://artofproblemsolving.com/community/u530868h60435p28261617 1995 IMO Problem 1]
  
  
 
<math>\textbf{USAMO}</math>
 
<math>\textbf{USAMO}</math>
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# [https://artofproblemsolving.com/community/q1h3038298p27381733 2023 USAMO P2]
 
 
# [https://artofproblemsolving.com/community/q1h2156977p27850533 2020 USOMO P1]
 
# [https://artofproblemsolving.com/community/q1h2156977p27850533 2020 USOMO P1]
 +
# [https://artofproblemsolving.com/community/u530868h34315p32048985 2005 USAMO P5]
 
# [https://artofproblemsolving.com/community/q2h34314p27699006 2005 USAMO P1]
 
# [https://artofproblemsolving.com/community/q2h34314p27699006 2005 USAMO P1]
 
# [https://artofproblemsolving.com/community/q2h55344p27451488 1997 USAMO P1]
 
# [https://artofproblemsolving.com/community/q2h55344p27451488 1997 USAMO P1]
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<math>\textbf{USAJMO}</math>
 
<math>\textbf{USAJMO}</math>
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# [https://artofproblemsolving.com/community/q2h3281029p30216609 2024 USAJMO P1]
 
# [https://artofproblemsolving.com/community/q1h1823554p27669592 2019 USAJMO P1]
 
# [https://artofproblemsolving.com/community/q1h1823554p27669592 2019 USAJMO P1]
 
# [https://artofproblemsolving.com/community/q1h1083477p27683307 2015 USAJMO P6 / USAMO P4]
 
# [https://artofproblemsolving.com/community/q1h1083477p27683307 2015 USAJMO P6 / USAMO P4]
 +
# [https://artofproblemsolving.com/community/u530868h476720p30138542 2012 USAJMO P2 / USAMO P1]
 +
# [https://artofproblemsolving.com/community/u530868h404355p30675983 2011 USAJMO P5]
  
  
 
<math>\textbf{AIME}</math>
 
<math>\textbf{AIME}</math>
 +
# [https://artofproblemsolving.com/community/u530868h3252388p30148172 2024 AIME II P15]
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# [https://artofproblemsolving.com/community/u530868h3252370p30490174 2024 AIME II P13]
 
# [https://artofproblemsolving.com/community/q1h3248111p29801404 2024 AIME I P13]
 
# [https://artofproblemsolving.com/community/q1h3248111p29801404 2024 AIME I P13]
 
# [https://artofproblemsolving.com/community/q1h3252375p29861688 2024 AIME II P10]
 
# [https://artofproblemsolving.com/community/q1h3252375p29861688 2024 AIME II P10]
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# [https://artofproblemsolving.com/wiki/index.php/2012_AIME_II_Problems/Problem_14 2021 AIME II P14 (Solution 2)]
 
# [https://artofproblemsolving.com/wiki/index.php/2012_AIME_II_Problems/Problem_14 2021 AIME II P14 (Solution 2)]
 
# [https://artofproblemsolving.com/community/q1h2495175p27907168 2021 AIME II P14]
 
# [https://artofproblemsolving.com/community/q1h2495175p27907168 2021 AIME II P14]
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# [https://artofproblemsolving.com/community/u530868h2495183p28145890 2021 AIME II P9] (Number Theory)
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# [https://artofproblemsolving.com/community/u530868h2495183p28145890 2021 AIME II P9]
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# [https://artofproblemsolving.com/community/q1h2138176p28144077 2020 AOIME II P9]
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# [https://artofproblemsolving.com/community/u530868h2028268p30722818 2020 AIME I P15]
 
# [https://artofproblemsolving.com/community/q1h2028263p29714703 2020 AIME I P12]
 
# [https://artofproblemsolving.com/community/q1h2028263p29714703 2020 AIME I P12]
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# [https://artofproblemsolving.com/community/u530868h2138176p28144077 2020 AOIME II P9] (Combinatorics)
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# [https://artofproblemsolving.com/community/u530868h2138176p28144077 2020 AOIME II P9]
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# [https://artofproblemsolving.com/community/c5h1807876s1_angle_chase_or_bash 2019 AIME II P11]
 
# [https://artofproblemsolving.com/community/q1h1807894p27759865 2019 AIME II P6]
 
# [https://artofproblemsolving.com/community/q1h1807894p27759865 2019 AIME II P6]
 
# [https://artofproblemsolving.com/community/q1h1604159p29518538 2018 AIME I P15]
 
# [https://artofproblemsolving.com/community/q1h1604159p29518538 2018 AIME I P15]
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# [https://artofproblemsolving.com/community/q1h472281p28093681 2012 AIME II P14]
 
# [https://artofproblemsolving.com/community/q1h472281p28093681 2012 AIME II P14]
 
# [https://artofproblemsolving.com/community/q1h472280p28042824 2012 AIME II P15]
 
# [https://artofproblemsolving.com/community/q1h472280p28042824 2012 AIME II P15]
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# [https://artofproblemsolving.com/community/q1h2138176p28144077 2020 AOIME II P9]
 
  
  
 
<math>\textbf{AMC}</math>
 
<math>\textbf{AMC}</math>
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# [https://artofproblemsolving.com/community/u530868h3438149p33170941 2024 AMC 12A P23]
 
# [https://artofproblemsolving.com/community/q1h3199246p29209375 2023 AMC 10B P14]
 
# [https://artofproblemsolving.com/community/q1h3199246p29209375 2023 AMC 10B P14]
 
# [https://artofproblemsolving.com/community/q1h3035421p27315394 2022 AMC 10A P24]
 
# [https://artofproblemsolving.com/community/q1h3035421p27315394 2022 AMC 10A P24]
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# [https://artofproblemsolving.com/community/u530868h2962619p31092593 2022 AMC 12B P24]
 
# [https://artofproblemsolving.com/community/c3405718h3091514_avbvc_ultimate_standoff 2018 AMC 12A P24]
 
# [https://artofproblemsolving.com/community/c3405718h3091514_avbvc_ultimate_standoff 2018 AMC 12A P24]
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# [https://artofproblemsolving.com/community/c5h623881p28168089 2015 AMC 10A P25 / AMC 12A P23] (Combinatorics)
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# [https://artofproblemsolving.com/community/c5h623881p28168089 2015 AMC 12A P23 / AMC 10A P25]
  
  
 
<math>\textbf{OTHER}</math>
 
<math>\textbf{OTHER}</math>
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# [https://artofproblemsolving.com/community/u530868h1919877p31400938 2016 PUMaC N7 (A) | N8 (B)]
 
# [https://artofproblemsolving.com/community/c140t48f140h1920422_2016_pumac_geometry_a5__b6 2016 PUMaC G5 (A) | G6 (B)]
 
# [https://artofproblemsolving.com/community/c140t48f140h1920422_2016_pumac_geometry_a5__b6 2016 PUMaC G5 (A) | G6 (B)]
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# [https://artofproblemsolving.com/community/u530868h1920426p27818511 2016 PUMaC G7 (A) | G8 (B)] (Geometry)
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# [https://artofproblemsolving.com/community/u530868h1920426p27818511 2016 PUMaC G7 (A) | G8 (B)]
 
# [https://artofproblemsolving.com/community/q2h1618548p27701275 2018 Canadian Mathematical Olympiad P3]  
 
# [https://artofproblemsolving.com/community/q2h1618548p27701275 2018 Canadian Mathematical Olympiad P3]  
 
# [https://artofproblemsolving.com/community/q2h1818714p27797851 2019 EGMO P1]
 
# [https://artofproblemsolving.com/community/q2h1818714p27797851 2019 EGMO P1]
 
# [https://artofproblemsolving.com/community/q2h1172747p27708039 2015 All Russian Olympiad 11.5]
 
# [https://artofproblemsolving.com/community/q2h1172747p27708039 2015 All Russian Olympiad 11.5]
 
# [https://artofproblemsolving.com/community/q2h569531p27811442 2014 Vietnam Mathematical Olympiad P1]
 
# [https://artofproblemsolving.com/community/q2h569531p27811442 2014 Vietnam Mathematical Olympiad P1]
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# [https://artofproblemsolving.com/community/c5h2156977p27850533 2020 USOMO Problem 1]
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# [https://artofproblemsolving.com/community/u530868h2057051p31924303 2014 HMMT November General Round P10]
 
# [https://artofproblemsolving.com/community/c487h560341p27803205 2013 Fall OMO P24]
 
# [https://artofproblemsolving.com/community/c487h560341p27803205 2013 Fall OMO P24]
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# [https://artofproblemsolving.com/community/q1h3084033p27884484 2023 ARML IR-P6]
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# [https://artofproblemsolving.com/community/q1h3084033p27884484 2023 ARML Individual P6]
 
# [https://artofproblemsolving.com/community/c3405718t121873f3405718h3091514_avbvc_ultimate_standoff 2023 ANMC P17(AOPS Nurds Math Contest)]
 
# [https://artofproblemsolving.com/community/c3405718t121873f3405718h3091514_avbvc_ultimate_standoff 2023 ANMC P17(AOPS Nurds Math Contest)]
 
# [https://artofproblemsolving.com/community/c3405718h3091526_quadruple_incircles 2023 ANMC P23 (AOPS Nurds Math Contest)]
 
# [https://artofproblemsolving.com/community/c3405718h3091526_quadruple_incircles 2023 ANMC P23 (AOPS Nurds Math Contest)]
 
# [https://artofproblemsolving.com/community/q2h1369915p27729275 2016 India Postal Set 3 P2]  
 
# [https://artofproblemsolving.com/community/q2h1369915p27729275 2016 India Postal Set 3 P2]  
 
# [https://artofproblemsolving.com/community/q1h3053728p27518326 2023 Michigan Math Meet]
 
# [https://artofproblemsolving.com/community/q1h3053728p27518326 2023 Michigan Math Meet]

Latest revision as of 00:31, 24 December 2024

Hi! I'm Daniel Zhou from Michigan. 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:

$\textbf{IMO}$

  1. 2014 IMO Problem 1
  2. 2013 IMO Problem 4
  3. 2012 IMO Shortlist Problem 1
  4. 2010 IMO Shortlist - Geometry Problem 1
  5. 2009 IMO Problem 4
  6. 2009 IMO Problem 2
  7. 2006 IMO Problem 1
  8. 2001 IMO Problem 1
  9. 2001 IMO Shortlist Problem 1
  10. 1996 IMO Shortlist Problem 2
  11. 1995 IMO Problem 1


$\textbf{USAMO}$

  1. 2020 USOMO P1
  2. 2005 USAMO P5
  3. 2005 USAMO P1
  4. 1997 USAMO P1
  5. 1997 USAMO P2
  6. 1996 USAMO P2

$\textbf{USAJMO}$

  1. 2024 USAJMO P1
  2. 2019 USAJMO P1
  3. 2015 USAJMO P6 / USAMO P4
  4. 2012 USAJMO P2 / USAMO P1
  5. 2011 USAJMO P5


$\textbf{AIME}$

  1. 2024 AIME II P15
  2. 2024 AIME II P13
  3. 2024 AIME I P13
  4. 2024 AIME II P10
  5. 2024 AIME II P11
  6. 2023 AIME I P1
  7. 2023 AIME I P12 (Solution 4)
  8. 2023 AIME I P8 (Solution 3)
  9. 2023 AIME I P5 (Solution 4)
  10. 2023 AIME II P9 (Solution 2)
  11. 2021 AIME II P14 (Solution 2)
  12. 2021 AIME II P14
  13. 2021 AIME II P9
  14. 2020 AOIME II P9
  15. 2020 AIME I P15
  16. 2020 AIME I P12
  17. 2020 AOIME II P9
  18. 2019 AIME II P11
  19. 2019 AIME II P6
  20. 2018 AIME I P15
  21. 2018 AIME II P13
  22. 2016 AIME I P13
  23. 2012 AIME I P14
  24. 2012 AIME II P14
  25. 2012 AIME II P15


$\textbf{AMC}$

  1. 2024 AMC 12A P23
  2. 2023 AMC 10B P14
  3. 2022 AMC 10A P24
  4. 2022 AMC 12B P24
  5. 2018 AMC 12A P24
  6. 2015 AMC 12A P23 / AMC 10A P25


$\textbf{OTHER}$

  1. 2016 PUMaC N7 (A) | N8 (B)
  2. 2016 PUMaC G5 (A) | G6 (B)
  3. 2016 PUMaC G7 (A) | G8 (B)
  4. 2018 Canadian Mathematical Olympiad P3
  5. 2019 EGMO P1
  6. 2015 All Russian Olympiad 11.5
  7. 2014 Vietnam Mathematical Olympiad P1
  8. 2014 HMMT November General Round P10
  9. 2013 Fall OMO P24
  10. 2023 ARML Individual P6
  11. 2023 ANMC P17(AOPS Nurds Math Contest)
  12. 2023 ANMC P23 (AOPS Nurds Math Contest)
  13. 2016 India Postal Set 3 P2
  14. 2023 Michigan Math Meet
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