QOJ.ac
QOJ
User profile
Kevin5307
Rating
2458
Contribution
-34
Usergroup
Default
Organization
Nan Jingwaiguo Yuxuexiao
Motto
$$ \frac{1}{1-x}\sum_{k=1}^\infty\frac{x^k}{1-\frac{x-x^{k+1}}{1-x}} $$
Rating changes
Accepted problems：412 problems
6263646869717212113014121724926631332936136241546449960361878278685385585685886086290590696296496796899599699799910021003100410851086108910911092109512531255125712591261126212631264164316441647165016511654165518331834183518381840184218631864186618691872187518801881188218832128216021612162216321642165216621692172217422082378242925392540254125422543254425452547255225542563259525962598260026012602260326042616261928333048305030543056308232233299330133043512356137243998421242184241424342454345440645114629463046324633463446354636478647884789479147924793479447954797482448254826482748314896492650145019503650385048505050645065506650695070507150725073507550765099511651995203520453635523582561786185629862996320632263256329635463556473650865496552655365556659666768306835683668386839684068416842684368446845721872197221722372257227727672787281732473997401740474057406740774087409743674467448745575007512751475187535766576847829798679877990799179927993799479957996800680078008801080138113812881298130813181328133813481358137817181758176822082218222822382328234823682378248825283318332833383348335833683388339834083478348834985228542854385448545854685478548854985508551855285538554863486358637863986408641864386488649865086518670867387148715871687178718871987208722872387278729873187598760877087718772877487758776877787808786878787908813881588188821882288238831883288338834883588378902890389058907894589478949895089518952939794049417942594279431943294349463947694779478947994809481948294839484948594889489949094929514951895329607960896139615961996209621962296239625962696279628962996312140321608216522179221794
Tried problems：43 problems
6514936012561877221033064909503352065874655066286668677468237398740374417526793582338384852586428645864686478904894689489242937094659571960421726217272172821729217302179321795
Authored Problems：5 problems
Virtual Participations：13 contests
| Name | Start time |
|---|---|
| IOI 2023 国家集训队集训 Day 3 (CTT 2022 Day 3) | 2024-09-18 13:17:21 |
| IOI 2023 国家集训队集训 Day 2 (CTT 2022 Day 2) | 2024-09-15 15:36:31 |
| IOI 2023 国家集训队集训 Day 1 (CTT 2022 Day 1) | 2024-09-13 13:51:34 |
| 2020-2021 ICPC Southeastern European Regional Programming Contest (SEERC 2020) | 2024-08-22 14:49:17 |
| Petrozavodsk Winter 2021. Day 1. Jagiellonian U Contest | 2024-06-27 19:41:04 |
| Baltic Olympiad in Informatics 2024 Day 2 | 2024-05-22 09:56:00 |
| The 2020 ICPC World Finals - Moscow | 2024-04-10 12:59:08 |
| ByteDance-Moscow Workshops Camp 2020. The Final Contest | 2024-02-21 19:10:21 |
| 2022-2023 ICPC Northern Eurasia Finals - Onsite | 2024-02-18 15:32:19 |
| The 2023 ICPC North America Qualifier | 2024-02-18 15:19:04 |
| 2024 陕西省队选拔赛 Day 1 (SNOI 2024 Day 1) | 2024-02-15 22:04:34 |
| Croatian Open Competition in Informatics 2023/2024 Contest #1 | 2024-02-15 21:58:14 |
| IOI 2023 中国国家队集训@威海 Day 1 | 2023-07-05 19:16:40 |