Final Results: USACO 2020 US Open Contest, Platinum
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 (All Countries):
Country |
Year |
Name |
Score |
    | sprinklers2 |     | exercise |     | circus |
CHN |   2021    | Teal Rex Chiyu Ding | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CHN |   2021    | MingYang Deng | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2021    | Kevin Gu | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CHN |   2020    | Sunli Chen | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2020    | William Lin | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CHN |   2020    | Yixuan Xu | 933 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | t | t | t | t | |
CHN |   2021    | Yaohua Ma | 933 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | t | t | t | t | |
CHN |   2021    | Zikuan Huang | 917 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | ! | ! | ! | ! | ! | |
CHN |   2021    | Shang Zhou | 917 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | t | t | t | t | t | |
CHN |   2021    | Zhuorui Ye | 917 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | ! | ! | ! | ! | ! | |
CHN |   2022    | Ray Zhang | 917 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | t | t | t | t | t | |
HKG |   2021    | Harris Leung | 833 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | x | x | x | x | x | x | x | x | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
Pre-College Participants (USA only):
Country |
Year |
Name |
Score |
    | sprinklers2 |     | exercise |     | circus |
USA |   2021    | Kevin Gu | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2020    | William Lin | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA |   2020    | Eric Wei | 800 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | x | x | x | * | * | * | x | x | x | x | * | ! | ! | ! | ! | ! | |
USA |   2022    | Xinyang Chen | 717 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | t | t | t | t | | | * | * | * | * | t | t | t | * | * | * | x | x | x | x | * | t | t | t | t | t | |
USA |   2021    | Eric Zhang | 700 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | x | x | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | |
USA |   2021    | Andi Liu | 700 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | x | x | x | x | x | x | x | x | x | x | x | x | x | x | x | x | x | x | |
USA |   2021    | Chris Zhang | 688 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | t | t | t | t | t | t | t | ! | ! | ! | ! | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | t | t | t | t | t | |
USA |   2021    | Brian Liu | 683 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | x | x | x | x | x | x | x | x | x | x | x | x | x | x | t | t | t | t | t | |
USA |   2024    | Rain Jiang | 667 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | | | | | | | | | | | | | | | | | | | | | |
USA |   2021    | Sarah Zhang | 650 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | | | | | | | | | | | | | | | | | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | t | * | * | * | |
Observers:
Country |
Name |
Score |
    | sprinklers2 |     | exercise |     | circus |
USA | Andrew He | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
POL | Mateusz Radecki | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
NLD | Erik-Jan Krijgsman | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CAN | Kevin Sun | 1000 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
CHN | ChenXin Dai | 917 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | t | t | t | t | t | |
CHN | Junchi Zuo | 817 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | x | x | x | * | * | * | x | x | x | x | * | * | x | x | x | x | |
KOR | Seunghyun Joe | 783 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | |
NLD | Mike de Vries | 771 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | t | t | t | t | t | t | t | t | t | t | ! | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | |
USA | Jay Leeds | 750 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | t | t | t | t | t | t | t | t | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | ! | ! | ! | ! | ! | |
ZAF | Bruce Merry | 733 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | t | t | t | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | |
USA | Mike Tim | 733 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | x | x | x | x | x | x | x | x | x | x | x | ! | ! | ! | ! | ! | |
KOR | JeYeon Si | 733 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | ! | ! | ! | x | x | x | x | x | x | x | x | ! | ! | ! | ! | ! | |
KOR | Jaehyun Koo | 733 | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | * | | | * | * | * | * | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | ! | |