QOJ.ac
QOJ
As a traditional event in the past years, join the IOI 2026 Prediction Game!
比赛排行榜 通过数
#7449: amazy
Accepted: : 15
#7449: anix
Accepted: : 15
#7449: antiravel
Accepted: : 15
#7449: Asanoneone
Accepted: : 15
#7449: asupersalmon
Accepted: : 15
#7449: aurelion_sol
Accepted: : 15
#7449: AutomatiC__
Accepted: : 15
#7449: Ava_sin
Accepted: : 15
#7449: AzusidNya
Accepted: : 15
#7449: baocm764442
Accepted: : 15
#7449: BaseAI
Accepted: : 15
#7449: beiweimd
Accepted: : 15
#7449: BiaxialRay
Accepted: : 15
#7449: blueparrot
Accepted: : 15
#7449: BUET_POISSON
Accepted: : 15
#7449: Cai_J
Accepted: : 15
#7449: Caliwa
Accepted: : 15
#7449: cascaaaaa
Accepted: : 15
#7449: Cat-shao
Accepted: : 15
#7449: Ceyo04
Accepted: : 15
#7449: CH_cycyc
Accepted: : 15
#7449: cheems_is_hiring
Accepted: : 15
#7449: chenxia25
Accepted: : 15
#7449: ChiTang
Accepted: : 15
#7449: chmpy
Accepted: : 15
#7449: Cindy_Li
Accepted: : 15
#7449: ClauBloom
Accepted: : 15
#7449: Crbubble
Accepted: : 15
#7449: creesh
Accepted: : 15
#7449: Crimson_Moon
Accepted: : 15
#7449: crush_jz
Accepted: : 15
#7449: csacasca
Accepted: : 15
#7449: Cu_Again
Accepted: : 15
#7449: CUHK_723
Accepted: : 15
#7449: Custlo
Accepted: : 15
行远自迩，登高自卑。
#7449: cyyzliangyuhan
Accepted: : 15
#7449: dann
Accepted: : 15
#7449: Deadplayer
Accepted: : 15
#7449: delk02
Accepted: : 15
ты не ты когда голоден
#7449: DFM_O
Accepted: : 15
#7449: dggggg
Accepted: : 15
#7449: distant_yesterday
Accepted: : 15
#7449: dmh2026
Accepted: : 15
#7449: DuanMen
Accepted: : 15
#7449: dubabuba
Accepted: : 15
#7449: Dung1604
Accepted: : 15
#7449: dwdyy
Accepted: : 15
#7449: dyr
Accepted: : 15
#7449: edogawa_something
Accepted: : 15
#7449: EDqwq
Accepted: : 15
#7449: egypt_ioi2024_08
Accepted: : 15
#7449: emirhanbanan
Accepted: : 15
#7449: Equinox
Accepted: : 15
#7449: ErnierTeio
Accepted: : 15
#7449: erxin222
Accepted: : 15
#7449: ETalien404
Accepted: : 15
#7449: etk3mfalive
Accepted: : 15
#7449: exzang
Accepted: : 15
#7449: Faggi
Accepted: : 15
#7449: FavorGew
Accepted: : 15
#7449: Fish1
Accepted: : 15
#7449: flovver
Accepted: : 15
#7449: fly_sky
Accepted: : 15
#7449: flysnow
Accepted: : 15
#7449: ForwardGP
Accepted: : 15
#7449: Gapple
Accepted: : 15
To wish upon the satellite.
#7449: GaryGarminston
Accepted: : 15
#7449: generality
Accepted: : 15
#7449: gggg02101
Accepted: : 15
#7449: gihagay
Accepted: : 15
#7449: GLXGS
Accepted: : 15
#7449: GuGuGuGu
Accepted: : 15
#7449: hackstar
Accepted: : 15
#7449: hjl666
Accepted: : 15
#7449: hmcs
Accepted: : 15
#7449: hongyu
Accepted: : 15
#7449: huhehaotedong
Accepted: : 15
#7449: HYwlkK
Accepted: : 15
#7449: hyy142857
Accepted: : 15
#7449: hzjte578015
Accepted: : 15
#7449: Hzwei
Accepted: : 15
#7449: icpccamp2024-team10
Accepted: : 15
#7449: icpccamp2024-team11
Accepted: : 15
#7449: icpccamp2024-team14
Accepted: : 15
#/: icpccamp2025-team05
Accepted: : 15
#7449: iosdjfasf
Accepted: : 15
$$T_G(x,y)=\sum\nolimits_{A\subseteq E} (x-1)^{k(A)-k(E)}(y-1)^{k(A)+|A|-|V|}$$
#7449: jade_seek
Accepted: : 15
#7449: JakubWoxniak
Accepted: : 15
#7449: jcelin
Accepted: : 15
#7449: jch123
Accepted: : 15
#7449: jdkjrejvm
Accepted: : 15
#7449: jian_dan
Accepted: : 15
#7449: Jiangnan01
Accepted: : 15
#7449: jiangtao
Accepted: : 15
#7449: jielosc
Accepted: : 15
#7449: jiely
Accepted: : 15
#7449: jinmokhong
Accepted: : 15
#7449: JohnVictor36
Accepted: : 15
#7449: Journey
Accepted: : 15
#7449: Juefan
Accepted: : 15