QOJ.ac

QOJ

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2857

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Honors Rank

Highest Honors

Individual Honors

2025 AtCoder World Tour Finals 2025 6th Place

2024 AtCoder World Tour Finals 2024 6th Place

2023 Meta Hacker Cup 2023 5th Place

2023 AtCoder World Tour Finals 2023 Champion 🏆

2022 Meta Hacker Cup 2022 18th Place

2022 Google Code Jam 2022 2nd Place

2021 Facebook Hacker Cup 2021 3rd Place

Team Honors

2022 The 2022 ICPC World Finals Luxor Gold Medal, Champion 🏆

On behalf of the team ucup-team3436

Teams

2024 - 2025 ucup-team001

2021 - 2024 ucup-team3436

ucup-team004

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Accepted problems：1180 problems

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Tried problems：21 problems

25572711384866736794711171287160719975597568762679358003861486428752880690471009910424

Authored problems：8 problems

#Problem Name
1线段树
2Segment Tree
3卡牌游戏
4Invitations
5Random Dungeon
6Optimal Strategy
7Search For Mafuyu
8Queue Editor

Virtual Participations：83 contests

NameStart time
The 2025 ICPC North America Qualifier (NAQ 2025)2025-10-16 17:16:53
The 4th Universal Cup. Stage 1: Grand Prix of Korolyov2025-10-14 03:36:11
Central European Olympiad in Informatics 2025 Day 1 (CEOI 2025 Day 1)2025-08-28 17:28:20
Central European Olympiad in Informatics 2025 Day 2 (CEOI 2025 Day 2)2025-08-28 00:42:14
“华为智联杯”无线程序设计大赛暨2025年上海市大学生程序设计竞赛2025-07-07 22:06:06
Izborne Pripreme 2021 (Croatian IOI/CEOI Team Selection) Day 12025-06-17 19:29:02
Izborne Pripreme 2025 (Croatian IOI/CEOI Team Selection) Day 22025-06-16 16:39:49
Izborne Pripreme 2025 (Croatian IOI/CEOI Team Selection) Day 12025-06-16 16:39:36
XVII International Zhautykov Olympiad on Informatics Day 2 (IZhO 2021 Day 2)2025-06-15 03:08:09
Petrozavodsk Winter 2021. Day 9. Grand Prix of Suwon2025-06-13 04:08:11
Croatian Open Competition in Informatics 2024/2025 Contest #12025-06-12 20:34:44
Ukrainian Olympiads in Informatics 2025, Stage IV, Day 22025-06-10 23:35:41
Ukrainian Olympiads in Informatics 2025, Stage IV, Day 12025-06-10 18:52:52
2025 北京市大学生程序设计竞赛暨“小米杯”全国邀请赛2025-04-25 03:55:18
Potyczki Algorytmiczne 2025, Runda próbna2025-04-15 01:48:14
European Junior Olympiad in Informatics 2021 Day 22025-04-15 01:00:32
European Junior Olympiad in Informatics 2021 Day 12025-04-14 23:15:31
The 3rd Universal Cup. Stage 33: India2025-04-01 01:34:35
Nordic Olympiad in Informatics 20252025-03-27 15:29:20
Nordic Olympiad in Informatics 20242025-03-27 15:24:12
Potyczki Algorytmiczne 2025, Runda 52025-03-25 22:19:52
Potyczki Algorytmiczne 2025, Runda 42025-03-20 17:20:04
Potyczki Algorytmiczne 2025, Runda 32025-03-20 17:13:22
Potyczki Algorytmiczne 2025, Runda 22025-03-20 17:11:03
Potyczki Algorytmiczne 2025, Runda 12025-03-20 17:10:54
The 2nd Universal Cup Finals2025-02-17 14:38:40
European Junior Olympiad in Informatics 2024 Day 22025-02-08 20:20:29
European Junior Olympiad in Informatics 2024 Day 12025-02-07 15:17:36
The 3rd Universal Cup. Stage 24: Poland2025-01-09 22:43:14
Korea IOI Team Selection Test (KOI TST) 2024, 2nd Selection Contest2024-12-11 21:12:26
European Girls' Olympiad in Informatics 2024 Day 22024-12-10 01:14:44
The 2019 ICPC China Sichuan Provincial Programming Contest2024-12-06 15:54:37
The 2024 ICPC China Sichuan Provincial Programming Contest2024-12-04 16:50:11
The 2024 ICPC Northwestern Europe Regional Contest (NWERC 2024)2024-12-04 16:12:06
The 3rd Universal Cup. Stage 2: Zielona Góra2024-11-27 17:00:55
第十届中国大学生程序设计竞赛 高职专场（CCPC 2024 Vocational Division）2024-11-14 15:49:36
第十届中国大学生程序设计竞赛 女生专场（CCPC 2024 Women's Division）2024-11-14 15:39:17
第六届中国大学生程序设计竞赛 绵阳站（CCPC 2020 Mianyang）2024-11-13 15:35:04
The 2024 ICPC North America Qualifier2024-11-13 02:26:54
The 2024 ICPC Kunming Invitational Contest2024-10-18 20:46:50
The 2024 CCPC Shandong Invitational Contest and Provincial Collegiate Programming Contest2024-10-14 03:28:13
The 3rd Universal Cup. Stage 11: Sumiyosi2024-10-11 14:12:59
The 3rd Universal Cup. Stage 10: West Lake2024-10-04 12:37:17
The 2019 ICPC Moscow Regional Contest2024-09-20 18:19:41
European Girls' Olympiad in Informatics 2024 Day 12024-09-18 14:48:07
International Olympiad in Informatics 2024 Day 22024-09-18 14:47:49
International Olympiad in Informatics 2024 Day 12024-09-18 14:47:43
第五届中国大学生程序设计竞赛 哈尔滨站（CCPC 2019 Harbin Site）2024-09-17 21:37:41
Petrozavodsk Summer 2023. Day 3. ABalobanov Contest 12024-09-16 22:32:55
The 3rd Universal Cup. Stage 8: Cangqian2024-09-05 14:12:31
The 2024 Guangdong Provincial Collegiate Programming Contest2024-06-18 14:46:26
The 2nd Universal Cup. Stage 27: India2024-04-07 17:26:05
The 2nd Universal Cup. Stage 26: Latin America2024-04-06 17:14:33
The 2nd Universal Cup. Stage 14: Southeastern Europe2024-03-24 13:16:30
Petrozavodsk Summer 2018. Day 5: Warsaw U Contest2024-03-16 13:30:43
The 2nd Universal Cup. Stage 25: Shenzhen2024-03-14 13:32:53
The 2nd Universal Cup. Stage 18: Dolgoprudny2024-03-10 13:27:30
The 2nd Universal Cup. Stage 20: Ōokayama2024-03-02 13:29:29
The 2nd Universal Cup. Stage 9: Qinhuangdao2023-11-16 13:48:51
Petrozavodsk Summer 2019. Day 1. Songyang Chen Contest 22023-10-25 13:32:55
The 2nd Universal Cup. Stage 6: Warsaw2023-10-23 13:06:03
The 2nd Universal Cup. Stage 5: Northern2023-10-21 13:34:02
2021-2022 ICPC Asia Pacific - Yokohama Regional2023-10-15 13:14:35
The 2nd Universal Cup. Stage 3: Binjiang2023-10-07 01:10:26
Petrozavodsk Summer 2023. Day 7. PKU Contest2023-10-06 13:07:03
The 2021 ICPC China Sichuan Provincial Programming Contest2023-09-28 22:04:23
The 1st Universal Cup. Stage 20: India2023-09-26 13:39:29
The 1st Universal Cup. Stage 22: Shaanxi2023-09-26 13:36:26
ICPCCamp 2016. Day 5(6). SPb SU and SPb AU Contest2023-09-26 02:30:15
The 2017 ACM-ICPC China Zhejiang Provincial Programming Contest (14th)2023-09-20 12:40:14
The 2023 ICPC Xi'an Invitational Programming Contest2023-09-19 12:16:10
The 2023 ICPC China Shaanxi Provincial Programming Contest2023-09-18 15:36:43
The 2019 ICPC China Shaanxi Provincial Programming Contest2023-09-18 15:06:38
The 2019 ICPC China Shandong Provincial Programming Contest2023-09-18 14:54:28
The 2023 ICPC China Shandong Provincial Programming Contest2023-09-18 14:19:21
ICPCCamp 2015. Day 1. Xiaoxu Guo Contest 32023-09-15 14:23:16
第八届中国大学生程序设计竞赛 桂林站（CCPC 2022 Guilin）2023-09-14 15:26:27
第七届中国大学生程序设计竞赛 桂林站（CCPC 2021 Guilin）2023-09-14 15:26:18
The 1st Universal Cup. Stage 21: Shandong2023-09-13 20:02:21
ICPCCamp 2016. Day 4. SJTU Dreadnought Contest2023-09-11 13:17:37
The 2020 ICPC Asia Yinchuan Regional Contest2023-09-06 14:19:31
ICPCCamp 2015. Day 2.2023-09-04 13:20:25
The 2021 ICPC Central Europe Regional Contest (CERC 2021)1899-11-30 00:00:00
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