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QOJ
As a traditional event in the past years, join the IOI 2026 Prediction Game!
랭킹 AC 수
#1479: ucup-team6260
Accepted: : 90
#1479: ucup-team7847
Accepted: : 90
#1479: UFRJ
Accepted: : 90
#1479: Ulugbek2008
Accepted: : 90
#1479: usedchang
Accepted: : 90
怎么签到这么Hard的？
#1479: Vengeful_Spirit
Accepted: : 90
#1500: 0x3f
Accepted: : 89
#1500: acwing_gza
Accepted: : 89
#1500: DiaoJinHu
Accepted: : 89
大东北我的家乡
#1500: ginyako
Accepted: : 89
#1500: gubshig
Accepted: : 89
#1500: hewanying
Accepted: : 89
#1500: JCY_
Accepted: : 89
Nothing is wasted
#1500: JDScript0117
Accepted: : 89
#1500: KellyWLJ
Accepted: : 89
#1500: KSCD_
Accepted: : 89
#1500: LH
Accepted: : 89
$$|X/G| = \frac{1}{|G|}\sum_{g \in G}|X^g|$$
#1500: LYY_yyyy
Accepted: : 89
#1500: Numbering
Accepted: : 89
#1500: reginox
Accepted: : 89
あなたに
#1500: StarfruitSupernova
Accepted: : 89
#1500: sunzihang
Accepted: : 89
#1500: tamir
Accepted: : 89
#1500: ucup-team1600
Accepted: : 89
#1500: ucup-team3897
Accepted: : 89
#1500: ucup-team4633
Accepted: : 89
#1500: ucup-team5509
Accepted: : 89
#1500: ucup-team7670
Accepted: : 89
#1500: wjh111
Accepted: : 89
#1523: Fffoooo
Accepted: : 88
#1523: Fireflies
Accepted: : 88
#1523: Grain_Depot08
Accepted: : 88
#1523: linjunye
Accepted: : 88
#1523: LuoxuanLove
Accepted: : 88
#1523: lzm0107
Accepted: : 88
#1523: mhw
Accepted: : 88
#1523: Mike4235
Accepted: : 88
#1523: mojo__hugo
Accepted: : 88
#1523: Nafeeszx
Accepted: : 88
#1523: OOBMABTRAMS
Accepted: : 88
#1523: pmt2018
Accepted: : 88
#1523: thomas_li
Accepted: : 88
Amogus
#1523: ucup-team3765
Accepted: : 88
Anhui Province
#1523: ucup-team7303
Accepted: : 88
#1538: anemonee
Accepted: : 87
#1538: DaBenZhongXiaSongKuaiDi
Accepted: : 87
#1538: Ecec243
Accepted: : 87
#1538: hanmx
Accepted: : 87
#1538: jjjjjxs
Accepted: : 87
#1538: KIM36753377
Accepted: : 87
#1538: KnightCats
Accepted: : 87
#1538: legenc6y
Accepted: : 87
.
#1538: mRXxy0o0
Accepted: : 87
Our paths will surely across.
#1538: shi255
Accepted: : 87
#1538: shizuku
Accepted: : 87
#1538: ucup-team149
Accepted: : 87
#1538: ucup-team3636
Accepted: : 87
#1538: ucup-team484
Accepted: : 87
#1538: ucup-team5301
Accepted: : 87
Si ST Está Conmigo Quien Contra Mi
#1538: yixiuge777
Accepted: : 87
#1538: yld
Accepted: : 87
#1538: YuanShiTianZun
Accepted: : 87
#1538: ZSH_ZSH
Accepted: : 87
#1538: zzzcr
Accepted: : 87
qwqwq
#1558: ______
Accepted: : 86
低客的黑调
#1558: 5toubun_no_hanayome
Accepted: : 86
#1558: Aurore
Accepted: : 86
#1558: Damofeilang
Accepted: : 86
#1558: DSCS2009
Accepted: : 86
#1558: fhq_treap
Accepted: : 86
#1558: flowsnowlover
Accepted: : 86
#1558: fryan
Accepted: : 86
#1558: LaDeX
Accepted: : 86
#1558: LeafSeek
Accepted: : 86
沉谜底于心 笃信这缕光会为我指引
#1558: Mitsubachi
Accepted: : 86
#1558: Monkey_Lee
Accepted: : 86
#1558: platter_numbering_qwer
Accepted: : 86
#1558: ppppppjjx
Accepted: : 86
#1558: Twilight
Accepted: : 86
#1558: ucup-team1069
Accepted: : 86
#1558: ucup-team1716
Accepted: : 86
#1558: ucup-team2174
Accepted: : 86
#1558: ucup-team2177
Accepted: : 86
#1558: ucup-team3160
Accepted: : 86
#1558: ucup-team356
Accepted: : 86
#1558: ucup-team7984
Accepted: : 86
#1558: youthpaul
Accepted: : 86
#1558: Zawos
Accepted: : 86
#1582: berarchegas
Accepted: : 85
#1582: Cirno
Accepted: : 85
あたいってば最強ね！
#1582: duoxichangan
Accepted: : 85
#1582: fzx
Accepted: : 85
#1582: hujinliang
Accepted: : 85
#1582: KXG
Accepted: : 85
#1582: lichenghan
Accepted: : 85
#1582: Liuxizai
Accepted: : 85
What can I say
#1582: microsun
Accepted: : 85
加训
#1582: monirr
Accepted: : 85
#1582: OneWan
Accepted: : 85
#1582: thelegendary08
Accepted: : 85