Final Results: USACO 2019 US Open Contest, Gold
Key:
* = Correct
x = Wrong Answer (including possibly empty or missing output file)
t = Timeout
c = Didn't Compile
! = Run-time error or exceeded memory limits
Pre-College Participants (Full List):
Country |
Year |
Name |
Score |
    | snakes |     | walk |     | balance |
GEO |   2020    | Nikoloz Birkadze | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
RUS |   2021    | Alexander Shekhovtsov | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
DEU |   2020    | Lorenzo Conti | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2021    | Geoffrey Wu | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2020    | Zeyu Wang | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2021    | Yuxin Xie | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CAN |   2020    | James Tai | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CHN |   2020    | Fan Yijie | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
BGD |   2019    | Arman Ferdous | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CAN |   2020    | David Yaofu Zuo | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
VNM |   2021    | Quang Huy Le | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
RUS |   2020    | Andrei Odintsov | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
LTU |   2020    | Audrius Mardosas | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CHN |   2021    | Wenze Zhang | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2021    | Colin Galen | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
THA |   2020    | Pongsaphol Pongsawakul | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2020    | Steven Raphael | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
AUS |   2020    | Quang Ong | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
ROU |   2024    | Alex Ardelean | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CHN |   2022    | Claudio Mai | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CAN |   2020    | Yi Deng | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2020    | Jiazhi Sun | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2021    | Kevin Gu | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2020    | Vincent Lim | 952 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | t | t | |
USA |   2020    | Allen Gu | 922 | | * | * | * | * | * | * | * | * | * | * | t | t | | | * | * | * | * | * | * | x | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2020    | Zachary Wang | 917 | | * | * | x | x | * | * | * | * | * | * | * | x | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CHN |   2021    | Tianen Song | 905 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | x | * | * | * | * | * | x | x | * | * | * | * | x | |
USA |   2021    | Sreyas Adiraju | 881 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | x | * | * | * | * | t | t | t | t | |
USA |   2021    | Aryan Kumar | 867 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | t | * | * | * | * | t | t | t | t | t | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
ZAF |   2020    | Andi Qu | 857 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | x | x | * | x | * | * | * | x | x | x | * | |
USA |   2021    | Justin Choi | 849 | | * | * | * | * | * | * | * | * | * | * | x | x | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | x | x | * | * | * | x | x | * | * | * | |
ARM |   2021    | Emil Kostanyan | 843 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | t | * | * | * | * | t | t | t | t | t | | | * | * | * | * | * | * | * | * | x | * | * | * | * | * | |
CHN |   2022    | Peter Chenhao Xv | 833 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | x | x | x | x | * | * | * | x | x | x | * | |
CHN |   2020    | Zhenbang Feng | 833 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | x | x | t | * | * | t | t | t | t | |
IND |   2020    | Rithvik Chatterjee | 833 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | x | x | * | x | * | * | x | x | x | x | * | |
USA |   2021    | Andrew Wang | 810 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | x | x | x | x | * | * | x | x | x | x | * | |
USA |   2021    | Kevin Zhou | 810 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | x | x | * | x | x | * | x | x | x | t | * | |
FRA |   2019    | Esteban Christiann | 810 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | x | * | x | x | * | x | x | * | * | x | x | x | * | |
USA |   2021    | Weilun Sun | 810 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | x | * | x | x | x | * | * | x | x | x | x | |
USA |   2021    | Tanush Talati | 810 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | x | x | x | x | * | x | x | x | x | * | |
USA |   2019    | David Xu | 810 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | x | x | x | x | * | x | x | x | x | * | |
USA |   2023    | Ho Tin Fan | 810 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | x | x | x | x | * | x | x | x | x | * | |
USA |   2020    | Pierce Lai | 806 | | * | * | * | * | t | * | t | t | t | t | t | t | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
Pre-College Participants (USA only):
Country |
Year |
Name |
Score |
    | snakes |     | walk |     | balance |
USA |   2021    | Geoffrey Wu | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2020    | Zeyu Wang | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2021    | Yuxin Xie | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2021    | Colin Galen | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2020    | Steven Raphael | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2020    | Jiazhi Sun | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2021    | Kevin Gu | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2020    | Vincent Lim | 952 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | t | t | |
USA |   2020    | Allen Gu | 922 | | * | * | * | * | * | * | * | * | * | * | t | t | | | * | * | * | * | * | * | x | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2020    | Zachary Wang | 917 | | * | * | x | x | * | * | * | * | * | * | * | x | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2021    | Sreyas Adiraju | 881 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | x | * | * | * | * | t | t | t | t | |
USA |   2021    | Aryan Kumar | 867 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | t | * | * | * | * | t | t | t | t | t | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2021    | Justin Choi | 849 | | * | * | * | * | * | * | * | * | * | * | x | x | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | x | x | * | * | * | x | x | * | * | * | |
USA |   2021    | Andrew Wang | 810 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | x | x | x | x | * | * | x | x | x | x | * | |
USA |   2021    | Kevin Zhou | 810 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | x | x | * | x | x | * | x | x | x | t | * | |
USA |   2021    | Weilun Sun | 810 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | x | * | x | x | x | * | * | x | x | x | x | |
USA |   2021    | Tanush Talati | 810 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | x | x | x | x | * | x | x | x | x | * | |
USA |   2019    | David Xu | 810 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | x | x | x | x | * | x | x | x | x | * | |
USA |   2023    | Ho Tin Fan | 810 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | x | x | x | x | * | x | x | x | x | * | |
USA |   2020    | Pierce Lai | 806 | | * | * | * | * | t | * | t | t | t | t | t | t | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
Observers:
Country |
Name |
Score |
    | snakes |     | walk |     | balance |
CHN | Zihan Wang | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CHN | Beiyu Li | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
RUS | Sergey Khargelia | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA | Travis Meade | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
VNM | Minh Hoang Le | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA | Nick Haliday | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CHN | Liu Kelvin | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CHN | Zexian Liang | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
ROU | Alexandru Peticaru | 956 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | t | t | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
POL | Jasiek Strzeszynski | 932 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | t | t | | | * | * | * | * | * | * | * | * | x | * | * | * | * | * | |
USA | Wendy Zhang | 878 | | * | * | * | * | * | * | * | * | * | * | t | t | | | * | * | * | * | * | * | * | * | * | * | * | * | t | t | t | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA | Sarah Ng | 833 | | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | x | x | x | x | * | * | x | x | x | * | |