Final Results: USACO 2020 December 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    Problem 1    Problem 2    Problem 3
CHN  2022    Lehan Chen1000 ******************** ******************** ********************
CHN  2023    Benjamin Zhang1000 ******************** ******************** ********************
USA  2022    Edward Chen1000 ******************** ******************** ********************
USA  2021    Miho Koda1000 ******************** ******************** ********************
CHN  2021    Zeheng Wei1000 ******************** ******************** ********************
IRN  2022    Alireza Kaviani1000 ******************** ******************** ********************
CHN  2023    Lu Chen1000 ******************** ******************** ********************
IRN  2022    Ali Mashtali1000 ******************** ******************** ********************
USA  2022    Shibo Zhou1000 ******************** ******************** ********************
CHN  2023    WenZhe Zhang1000 ******************** ******************** ********************
NLD  2021    Marco Meijer1000 ******************** ******************** ********************
CHN  2023    Jingyi Wang1000 ******************** ******************** ********************
CHN  2023    Yuting Lyu1000 ******************** ******************** ********************
CHN  2023    De Co1000 ******************** ******************** ********************
CHN  2023    Yikai Zhu1000 ******************** ******************** ********************
FRA  2022    Alex Savanier1000 ******************** ******************** ********************
CHN  2023    Knight He1000 ******************** ******************** ********************
CHN  2022    Cate Mai1000 ******************** ******************** ********************
CHN  2023    Di Wu1000 ******************** ******************** ********************
CHN  2023    Jiahao Huang1000 ******************** ******************** ********************
CHN  2021    Jing Liu1000 ******************** ******************** ********************
CHN  2021    Hongrui Chen1000 ******************** ******************** ********************
USA  2021    Zenan Zhang1000 ******************** ******************** ********************
USA  2023    Alex Yang1000 ******************** ******************** ********************
CHN  2021    Xu Lian1000 ******************** ******************** ********************
CHN  2021    Lize Shao1000 ******************** ******************** ********************
USA  2022    Timothy Feng1000 ******************** ******************** ********************
CHN  2021    Siyu Wan1000 ******************** ******************** ********************
CHN  2022    Weizhe Mao1000 ******************** ******************** ********************
CHN  2022    Erke Xia917 ******************** ******************** *****xxxxx**********
USA  2023    Charlie Cao917 ***xx*************** ******************** **********t***t****t
USA  2021    Elaine Zhai917 ******************** ******************** **********t*tt***t*t
USA  2021    Vincent Cai917 *****t************** ***********t****tt*t ********************
USA  2022    Wen Chen850 ******************** ***********ttttttttt ********************
GEO  2021    Nika Tamliani850 ******************** ***********ttttttttt ********************
USA  2022    Ryan Sanders833 ******************** ******************** **********xxxxxxxxxx
GBR  2021    Arman A Bhalla833 ******************** ******************** **********xxxxxxxxxx
USA  2023    Todd Zhou833 ******************** ******************** **********xxxxxxxxxx
USA  2021    Henry Zhang833 ******************** ******************** **********xxxxxxxxxx
USA  2023    Jiaxuan Cheng817 ******************** ***********ttttttttt **********t********t
USA  2023    Jiayi Dong800 ***xx*************** ******************** **********xxxxxxxxxx
CHN  2022    Haoran Zhang750 *****xxxxxxxxxxxxxxx ******************** ********************
CHN  2023    Jingyi Wang750 ******************** ******************** *****!!!!!!!!!!!!!!!
CHN  2025    Andrew Zhang750 ******************** ******************** *****!!!!!!!!!!!!!!!
JPN  2023    Blackyuki Blackyuki733 *x*xxxxxx**xxxxxxxxx ******************** ********************
USA  2022    Justin Ji733 ******************** ****tttttttttttttttt ********************
UKR  2021    Valera Grinenko733 ******************** ****xxxxxxxxxxxxxxxx ********************
USA  2023    Xingyan Zhou733 ******************** ****xxxxxxxttttttttt ********************
KAZ  2021    Mansur Mukimbekov733 ******************** ****tttttttttttttttt ********************
USA  2022    Yu Lim733 ******************** ****tttttttttttttttt ********************
AUS  2024    Arthur Sun717 *xx**xxxxxxxxxxxxxxx ******************** ********************
SAU  2022    Far Bas717 ******************** ***xtttttttttttttttt ********************
ROU  2022    Robert Barbu717 ******************** ***x!!!!!!!!!!!!!!!! ********************
USA  2021    Jimmy Xin700 ******************** ******************** **xxx!!!!!!!!!!!!!!!
CHN  2024    Zihou Zhong700 *x*xxxxxxxxxxxxxxxxx ******************** ********************
USA  2023    David Yang700 ******************** ******************** **xxxxxxxxtttttttttt
USA  2022    Kevin Wang700 *****t******tttttttt ***********ttttttttt ********************
TWN  2022    Hsin-Wei Hou700 ******************** **xxxxxxxxxttttttttt ********************
TWN  2022    Elliot Liu700 ******************** ******************** *xxxxxxx*xxxxxxxxxxx
USA  2023    Dylan Yu700 ***xx*************** ****tttttttttttttttt ********************
USA  2022    Elijah Huang 667 ***xx*************** **xxxxxxxxxxxxxxxxxx ********************
USA  2022    Hao Chen667 *****t************** ***********ttttttttt **********xxxxxxxxxx
GEO  2022    Tevdore Nadareishvili667 ******************** ********************
GEO  2024    Keta Tsimakuridze667 ******************** ********************
IRN  2021    Aryan Alavi Razavi Ravari667 ******************** ********************
CHN  2024    Yh Guo667 ******************** ********************
USA  2023    Maximus Lu650 *****t************** ********************
USA  2025    Darren Li600 ******************** ***********ttttttttt *****xxxxxtttttttttt
CHN  2023    Ziyue Ge600 ******************** ***********ttttttttt *****xxxxxxxxxxxxxxx

Pre-College Participants (USA only):

Country Year Name Score    Problem 1    Problem 2    Problem 3
USA  2022    Edward Chen1000 ******************** ******************** ********************
USA  2021    Miho Koda1000 ******************** ******************** ********************
USA  2022    Shibo Zhou1000 ******************** ******************** ********************
USA  2021    Zenan Zhang1000 ******************** ******************** ********************
USA  2023    Alex Yang1000 ******************** ******************** ********************
USA  2022    Timothy Feng1000 ******************** ******************** ********************
USA  2023    Charlie Cao917 ***xx*************** ******************** **********t***t****t
USA  2021    Elaine Zhai917 ******************** ******************** **********t*tt***t*t
USA  2021    Vincent Cai917 *****t************** ***********t****tt*t ********************
USA  2022    Wen Chen850 ******************** ***********ttttttttt ********************
USA  2022    Ryan Sanders833 ******************** ******************** **********xxxxxxxxxx
USA  2023    Todd Zhou833 ******************** ******************** **********xxxxxxxxxx
USA  2021    Henry Zhang833 ******************** ******************** **********xxxxxxxxxx
USA  2023    Jiaxuan Cheng817 ******************** ***********ttttttttt **********t********t
USA  2023    Jiayi Dong800 ***xx*************** ******************** **********xxxxxxxxxx
USA  2022    Justin Ji733 ******************** ****tttttttttttttttt ********************
USA  2023    Xingyan Zhou733 ******************** ****xxxxxxxttttttttt ********************
USA  2022    Yu Lim733 ******************** ****tttttttttttttttt ********************
USA  2021    Jimmy Xin700 ******************** ******************** **xxx!!!!!!!!!!!!!!!
USA  2023    David Yang700 ******************** ******************** **xxxxxxxxtttttttttt
USA  2022    Kevin Wang700 *****t******tttttttt ***********ttttttttt ********************
USA  2023    Dylan Yu700 ***xx*************** ****tttttttttttttttt ********************
USA  2022    Elijah Huang 667 ***xx*************** **xxxxxxxxxxxxxxxxxx ********************
USA  2022    Hao Chen667 *****t************** ***********ttttttttt **********xxxxxxxxxx
USA  2023    Maximus Lu650 *****t************** ********************
USA  2025    Darren Li600 ******************** ***********ttttttttt *****xxxxxtttttttttt

Observers:

Country Name Score    Problem 1    Problem 2    Problem 3
USASamuel Paisheen1000 ******************** ******************** ********************
RUSMikhail Piklyaev1000 ******************** ******************** ********************
CHNXu Ruiyang1000 ******************** ******************** ********************
USAVishal Rishi1000 ******************** ******************** ********************
CHNWei Zhao1000 ******************** ******************** ********************
SJMKinmoe Natsu1000 ******************** ******************** ********************
CHNCheng Yufeng1000 ******************** ******************** ********************
IRNParsa Pordeli Behrouz733 ******************** ****tttttttttttttttt ********************
CUBAnier Velasco Sotomayor717 *****t************** ****ttttttt!!!!!!!!! ********************
CHNXiaohan Jia717 ******************** ***xtttttttttttttttt ********************
CHNLi Zhang700 ******************** ******************** **xxxxxxxxxxxxxxxxxx
USADaniel West683 *****t************** ******************** **xxxxxxxxxxxxxxxxxx
CHNTian Jin683 ******************** ******************** *xxxxxxxxxtttttttttt
CHNXin Lu667 ******************** ********************
SRBAleksa Milisavljevic667 ******************** ********************
KORHo Seok Ryu600 ******************** ***********!!!!!!!!! *****xxxxxxxxxxxxxxx