Qingyu's Online Judge
QOJ
Trainings
Grand Prix of KoreaLink = On QOJ Server; Link = On FTP Server
| ID | Name | Date | Platform | Materials |
|---|---|---|---|---|
| TBD | Cup of Three Quarterfinals 2021. Moscow Regional Contest | ????-??-?? | ||
| 120 | XXII Open Cup named after E.V. Pankratiev. Grand Prix of Korea | 2021-10-24 | Yandex Yandex(Div.2) | Statement Editorial |
| 119 | SnackDown 2021 - Online Round 1A | 2021-10-21 | CodeChef | |
| 118 | Russian Problems Collection Training Contest #8 | 2021-10-21 | ||
| 117 | TopCoder SRM 816 (Virtual, NOI Ruleset) | 2021-10-20 | TopCoder | |
| 116 | SnackDown 2021 - Online Qualifier | 2021-10-18 | CodeChef | |
| 115 | Russian Problems Collection Training Contest #7 | 2021-10-17 | ||
| 114 | Yandex Algorithm 2021, Final | 2021-10-16 | ||
| 113 | Nordic Programming Contest 2020 | 2021-10-16 | Kattis | Statement Editorial Testdata |
| 112 | Russian Problems Collection Training Contest #6 | 2021-10-14 | ||
| 111 | Russian Problems Collection Training Contest #5 | 2021-10-13 | ||
| 110 | Russian Problems Collection Training Contest #4 | 2021-10-12 | ||
| 109 | Russian Problems Collection Training Contest #3 | 2021-10-11 | ||
| 107 | Russian Problems Collection Training Contest #2 | 2021-10-09 | Results | |
| 108 | Bubble Cup 14 - Finals | 2021-10-09 | Codeforces | Editorial |
| 106 | Russian Problems Collection Training Contest #1 | 2021-10-08 | Results | |
| 105 | 2020-2021 ICPC Southwestern Europe Regional Contest | 2021-10-07 | Gym OpenTrains | Statement Video Testdata |
| 104 | AtCoder Grand Contest 050 | 2021-10-04 | AtCoder | |
| 103 | The UK & Ireland Programming Contest 2019 | 2021-10-02 | ||
| 102 | 2019-2020 ICPC World Finals Moscow Invitational Contest | 2021-10-01 | Codeforces | Statement Editorial |
| 101 | Egyptian Collegiate Programming Contest 2019. Kickoff. | 2021-09-30 | Gym | |
| 100 | New Zealand Programming Contest 2021 | 2021-09-29 | Testdata Statement | |
| 98 | XXV Spain Olympiad in Informatics, Day 1 | 2021-09-27 | Gym | Testdata |
| 99 | XXV Spain Olympiad in Informatics, Day 2 | 2021-09-27 | Gym | Testdata |
| 97 | Yandex Algorithm 2021, Qualification | 2021-09-26 | Yandex | Official Website Upsolving(Yandex) |
| 96 | 2020 CMU High School Programming Contest (Carnegie Mellon University, Pittsburgh PA) | 2021-09-09 | QOJ | Statement Testdata |
| 95 | USACO 2019 December Contest(Platinum) | 2021-09-06 | Official Website Testdata | |
| 94 | USACO 2020 January Contest(Platinum) | 2021-09-05 | Official Website Testdata | |
| 93 | USACO 2020 February Contest(Platinum) | 2021-09-05 | Official Website Testdata | |
| 91 | AtCoder Grand Contest 052 | 2021-09-04 | AtCoder | Testdata |
| 92 | AtCoder Grand Contest 051 | 2021-09-04 | AtCoder | Testdata |
| 90 | AtCoder Grand Contest 053 | 2021-09-03 | AtCoder | Testdata Editorial |
| 89 | 2020-2021 ICPC North America Division Championship | 2021-09-02 | QOJ | Statement Testdata Solutions Official Website |
| 88 | CTU Open Contest 2019 | 2021-09-01 | QOJ | Statement Testdata |
| 87 | Petrozavodsk Summer-2021. MIPT Contest, GP of DolgoprudnyXXII Open Cup, Grand Prix of Dolgoprduny | 2021-08-30 | Yandex QOJ | Statement Testdata Video(English) Editorial div.2 |
| 85 | (International)Petrozavodsk Summer-2021. XJTU Contest, GP of XJTUXXII Open Cup, Grand Prix of Xi'an | 2021-08-29 | Yandex QOJ | Statement Testdata Editorial Video(English) |
| 86 | (China)Petrozavodsk Summer-2021. Replacement Contest. (Lviv NU Contest) | 2021-08-29 | Yandex QOJ | Statement Testdata Video(English) |
| 84 | Petrozavodsk Summer-2021. Shanghai ICPC Camp 2021 Onsite Day 2 by PKU | 2021-08-28 | Yandex QOJ | Statement Testdata Editorial Video(English) |
| 83 | Petrozavodsk Summer-2021. Shanghai ICPC Camp 2021 Onsite Day 1 by PKU | 2021-08-27 | Yandex QOJ | Statement Testdata Video(English) |
| 82 | Petrozavodsk Summer-2021. IQ test by kefaa2, antontrygubO_o, and gepardoXXII Open Cup, Grand Prix of IMO | 2021-08-25 | Yandex QOJ | Statement Testdata Editorial Video(English) |
| 81 | Petrozavodsk Summer-2021. The American Contest | 2021-08-24 | Yandex QOJ | Statement Testdata Editorial Video(English) |
| 80 | Petrozavodsk Summer-2021. Kyoto U Contest. | 2021-08-23 | Yandex QOJ | Statement Testdata Editorial(Japanese) Video(English) |
| 79 | 2016-2017 ICPC North America - Pacific Northwest Regional | 2021-08-16 | QOJ Gym | Statement(Div.1) Statement(Div.2) Testdata |
| 78 | German Collegiate Programming Contest 2020 | 2021-08-06 | QOJ | Statement Editorial Testdata |
| 77 | 2013-2014 ICPC Northern Eurasia - West Siberian Subregional | 2021-08-01 | QOJ | Statement Testdata |
| 76 | Discover Singapore 2019. Day 5, 300iq Contest | 2021-07-07 | QOJ | Statement Editorial Solutions |
| 75 | RuCode 2020 ChampionshipXX Open Cup, Grand Prix of Moscow | 2021-07-03 | Yandex | Statement Editorial Solutions |
| 74 | Petrozavodsk Winter-2020. Yuhao Du Contest 7XX Open Cup, Grand Prix of Zhejiang | 2021-06-24 | Yandex QOJ | Statement Video(English) Testdata Submissions |
| 73 | 2016-2017 ICPC Northern Eurasia - East Siberian SubregionalXVII Open Cup, Eastern Grand Prix, Div 2 | 2021-06-20 | OpenTrains | Statement Testdata |
| 72 | 2020-2021 All-Ukrainian Collegiate Programming Contest, II stage | 2021-06-14 | QOJ | Statement Editorial |
| 71 | USACO 2021 February Contest(Platinum) | 2021-06-13 | QOJ | Official Website Testdata |
| 70 | USACO 2021 Open Contest(Platinum) | 2021-06-12 | QOJ | Official Website Testdata |
| 69 | XXI Open Cup named after E.V. Pankratiev. Grand Prix of Beijing | 2021-06-06 | OpenTrains Yandex OpenTrains(Div.2) | Statement Statement(Div.2) Discuss Testdata Solution |
| 68 | Western Subregional 2015 | 2021-05-28 | OpenTrains | Statement |
| 67 | Bytedance Moscow Workshops ICPC Programming Camp 2019, Day 6, The Finals (from Moscow SU Red Panda) | 2021-05-26 | QOJ OpenTrains Yandex OpenTrains(Div.2) | Statement Editorial Statement(Div.2) |
| 66 | Bytedance Moscow Workshops ICPC Programming Camp 2020, Day 5, Final Contest XX Open Cup, Grand Prix of Bytedance | 2021-05-24 | MIPT OpenTrains Yandex OpenTrains(Div.2) | Statement Discuss Statement(Div.2) |
| 65 | XXI Open Cup named after E.V. Pankratiev. Grand Prix of Southeastern Europe | 2021-05-23 | OpenTrains Yandex Gym OpenTrains(Div.2) | Statement Editorial Testdata |
| 64 | XXI Open Cup named after E.V. Pankratiev. Grand Prix of Urals | 2021-05-09 | OpenTrains Yandex OpenTrains(Div.2) | Statement Discuss Statement(Div.2) |
| 63 | Pre-Finals Moscow Workshop 2021 Division A Contest 5, Grand Prix of China XXI Open Cup, Grand Prix of China | 2021-05-02 | OpenTrains Yandex Gym OpenTrains(Div.2) | Statement Editorial Statement(Div.2) |
| 62 | Moscow Subregional 2016 | 2021-03-24 | OpenTrains | Statement Solutions |
| 61 | Petrozavodsk Winter-2021. North American Contest 1 | 2021-03-09 | Statement Testdata Video(English) | |
| 60 | XXI Open Cup named after E.V. Pankratiev. Grand Prix of Tokyo | 2021-02-28 | OpenTrains Yandex Gym OpenTrains(Div.2) | Statement Solutions Editorial Statement(Div.2) |
| 59 | Petrozavodsk Winter-2021. Grand Prix of Suwon XXI Open Cup, Grand Prix of Suwon | 2021-02-21 | OpenTrains Yandex Gym OpenTrains(Div.2) | Statement Solutions Discuss Statement(Div.2) Testdata |
| 58 | Ukrainan Subregional 2013 | 2021-02-15 | OpenTrains | Statement Solutions |
| 57 | Petrozavodsk Winter-2021. Belarusian SU Contest, Yandex Cup 2021 XXI Open Cup, Grand Prix of Belarus | 2021-02-14 | OpenTrains Yandex Gym OpenTrains(Div.2) | Statement Solutions Analysis Statement(Div.2) Testdata |
| 56 | Petrozavodsk Winter-2021. Almost Retired Dandelion Contest XXI Open Cup, Grand Prix of Nizhny Novgorod | 2021-02-07 | OpenTrains Yandex OpenTrains(Div.2) | Statement Solutions Editorial Statement(Div.2) Testdata |
| 55 | Petrozavodsk Winter-2021. Jagiellonian U Contest XXI Open Cup, Grand Prix of Krakow | 2021-01-31 | OpenTrains Yandex OpenTrains(Div.2) | Statement Solutions Editorial Statement(Div.2) Testdata |
| 54 | Petrozavodsk Summer-2018. Yuhao Du Contest 5 XIX Open Cup, Grand Prix of Zhejiang | 2021-01-23 | Yandex Baekjoon | Statement Discuss Testdata |
| 53 | Petrozavodsk Summer-2017. DPRK Contest 2 | 2021-01-11 | OpenTrains Baekjoon | Statement Solutions Video(Russian) |
| 52 | XXI Open Cup named after E.V. Pankratiev. Grand Prix of Nanjing | 2021-01-10 | OpenTrains Yandex Gym | Statement Solutions Editorial |
| 51 | Bytedance Moscow Workshops ICPC Programming Camp 2019, Day 4, Division A: From Kivach to Yagel | 2021-01-08 | QOJ | Statement |
| 50 | Bytedance Moscow Workshops ICPC Programming Camp 2019, Day 3, Division A: Siberian+ Contest | 2021-01-05 | QOJ | Statement |
| 49 | XXI Open Cup named after E.V. Pankratiev. Grand Prix of Samara | 2021-01-03 | OpenTrains Yandex Gym OpenTrains(Div.2) | Statement Solutions Editorial Statement(Div.2) |
| 48 | Goodbye 2020 | 2020-12-30 | Codeforces | |
| 47 | Bytedance Moscow Workshops ICPC Programming Camp 2019, Day 2, Division A: From St. Petersburg to Siberia | 2020-12-27 | QOJ | Statement |
| 46 | Bytedance Moscow Workshops ICPC Programming Camp 2019, Day 1: Welcome Contest, SPb SU Selection | 2020-12-26 | QOJ | Statement |
| 45 | Petrozavodsk Winter-2019. Gennady Korotkevich Contest 5 (XX Open Cup, Grand Prix of Gomel) | 2020-12-24 | OpenTrains Yandex Baekjoon OpenTrains(Div.2) | Statement Editorial Statement(Div.2) Testdata Solutions |
| 44 | Discover Izhevsk Winter 2020 by Moscow Workshops Day 5: SPb SU Contest, Ardecs Cup | 2020-12-23 | OpenTrains | Statement Testdata |
| 43 | Moscow International Workshops 2020 Day 6, Division A: Grand Prix of Xiaomi XXI Open Cup, Grand Prix of Xiaomi | 2020-12-20 | OpenTrains Yandex OpenTrains(Div.2) | Statement Solutions Editorial Statement(Div.2) |
| 42 | Petrozavodsk Winter-2016. Chinese Contest XVI Open Cup, Grand Prix of China | 2020-12-13 | OpenTrains Yandex OpenTrains(Div.2) | Statement Discuss Statement(Div.2) |
| 41 | Codeforces Global Round 12 | 2020-12-10 | Codeforces | |
| 40 | Moscow International Workshops 2020 Day 2: Grand Prix of Bei Sha Tan XXI Open Cup, Grand Prix of NorthBeach | 2020-11-29 | OpenTrains Yandex Baekjoon OpenTrains(Div.2) | Statement Solutions Editorial Statement(Div.2) |
| 39 | Petrozavodsk Winter-2016. Saratov SU Contest XVI Open Cup, Grand Prix of Saratov | 2020-11-27 | OpenTrains Yandex Gym OpenTrains(Div.2) | Statement Discuss Statement(Div.2) |
| 38 | Petrozavodsk Winter-2016. Xiaoxu Guo Contest 4 | 2020-11-26 | OpenTrains | Statement Solutions |
| 37 | Petrozavodsk Winter-2016. NNSU Contest | 2020-11-21 | OpenTrains Gym | Statement Solutions Video(Russian) |
| 36 | Petrozavodsk Winter-2016. Zheijang U Contest 1. | 2020-11-20 | OpenTrains | Statement Solutions Video(Russian) |
| 35 | Petrozavodsk Winter-2016. Moscow SU Trinity Contest. | 2020-11-19 | OpenTrains Gym | Statement Solutions Video(Russian) |
| 34 | Petrozavodsk Winter-2016. Makoto Soejima Contest 4 XVI Open Cup, Grand Prix of Asia | 2020-11-17 | OpenTrains Yandex Gym OpenTrains(Div.2) | Statement Solutions Video(Russian) Statement(Div.2) |
| 33 | Codeforces Round #683 Div. 1, by Meet IT | 2020-11-15 | Codeforces | |
| 32 | AtCoder Grand Contest 049 | 2020-11-14 | AtCoder | |
| 31 | Petrozavodsk Winter-2016. JAG Contest | 2020-11-13 | OpenTrains AtCoder | Statement Solutions Video(Russian) |
| 30 | Petrozavodsk Winter-2016. SPb*U Contest | 2020-11-10 | OpenTrains Gym | Statement Solutions Video(Russian) |
| 29 | XXI Open Cup named after E.V. Pankratiev. Grand Prix of Weihai | 2020-11-08 | OpenTrains Yandex Gym Baekjoon OpenTrains(Div.2) | Statement Editorial Solutions Statement(Div.2) |
| 28 | XXI Open Cup named after E.V. Pankratiev. Grand Prix of Siberia | 2020-11-01 | OpenTrains Yandex OpenTrains(Div.2) | Attachment Solutions Statement(Div.2) |
| 27 | Petrozavodsk Summer-2017. Ural Contest XVIII Open Cup, Grand Prix of Urals | 2020-10-30 | OpenTrains Yandex Baekjoon OpenTrains(Div.2) | Statement Solutions Discuss Statement(Div.2) |
| 26 | Codeforces Round #679 Div. 1, based on Technocup 2021 Elimination Round 1 | 2020-10-25 | Codeforces | |
| 25 | Petrozavodsk Summer-2017. U of Bucharest Contest XVIII Open Cup, Grand Prix of Romania | 2020-10-23 | OpenTrains Yandex Baekjoon OpenTrains(Div.2) | Statement Solutions Discuss Statement(Div.2) |
| 24 | Petrozavodsk Summer-2017. Songyang Chen Contest 1 | 2020-10-19 | OpenTrains Baekjoon | Statement Solutions Video(Russian) |
| 23 | AtCoder Grand Contest 048 | 2020-10-18 | AtCoder | |
| 22 | Petrozavodsk Winter-2018. Carnegie Mellon U Contest | 2020-10-14 | OpenTrains Baekjoon | Statement Solutions Video(English) |