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
#694: 1903331632
Accepted: : 157
#694: 2_qiym
Accepted: : 157
#694: Associate_Entropy
Accepted: : 157
#694: gty314159
Accepted: : 157
#694: hsqqq
Accepted: : 157
#694: seshiria
Accepted: : 157
The stars are not yet within reach
#694: ucup-team017
Accepted: : 157
#694: ucup-team4364
Accepted: : 157
#694: YuJiahe
Accepted: : 157
全身全霊！MORE MORE JUMP!!
#694: Yurily
Accepted: : 157
#704: amirali_asgari
Accepted: : 156
#704: mygo
Accepted: : 156
大人になるのが怖かった、強くなることが怖かった
#704: slyra
Accepted: : 156
#704: ucup-team3746
Accepted: : 156
#704: UESTC_lyc_fan_club
Accepted: : 156
#704: zxh923
Accepted: : 156
#710: Carucao
Accepted: : 155
#710: lc20110802
Accepted: : 155
#710: Sakura_xyz
Accepted: : 155
#710: ucup-team1338
Accepted: : 155
#710: ucup-team7784
Accepted: : 155
#710: UNos_maricones
Accepted: : 155
#716: Fantasy_Ball
Accepted: : 154
#716: q1w2e3r4
Accepted: : 154
#716: ucup-team1206
Accepted: : 154
#716: ucup-team3935
Accepted: : 154
#716: ucup-team4366
Accepted: : 154
#716: ucup-team6915
Accepted: : 154
#722: bai_hong
Accepted: : 153
#722: classic
Accepted: : 153
#722: goodman
Accepted: : 153
#722: repoman
Accepted: : 153
$$\prod_{i=0}^{n-1} (1+q^iz) = \sum_{i=0}^n q^{i(i-1)/2}\binom ni_q z^i$$
#722: ucup-team8618
Accepted: : 153
#727: _lbw_
Accepted: : 152
就让所有理智都埋没在**深处
#727: Hirasawaa
Accepted: : 152
#727: kangyi
Accepted: : 152
#727: lizihan2010
Accepted: : 152
#727: ucup-team3057
Accepted: : 152
#727: warner1129
Accepted: : 152
#733: Fido_Puppy
Accepted: : 151
#733: linanchen
Accepted: : 151
#735: annyeong1
Accepted: : 150
#735: chy_is_a_fish
Accepted: : 150
#735: ezraft
Accepted: : 150
#735: fangcy
Accepted: : 150
#735: general
Accepted: : 150
#735: minhcool
Accepted: : 150
Glory Glory HUS HSGS
#735: syk666
Accepted: : 150
#735: temporary_teamname
Accepted: : 150
#735: ucup-team1516
Accepted: : 150
#735: ucup-team197
Accepted: : 150
I'm so spicy I'm so spicy
#735: ucup-team199
Accepted: : 150
#735: ucup-team2054
Accepted: : 150
#735: ucup-team4946
Accepted: : 150
#735: ucup-team6275
Accepted: : 150
#735: ucup-team7373
Accepted: : 150
#750: hhhqx
Accepted: : 149
#750: ucup-team162
Accepted: : 149
#750: ucup-team5009
Accepted: : 149
#750: xuzhihaodedie
Accepted: : 149
#754: 123456zmy
Accepted: : 148
#754: aoliao
Accepted: : 148
#754: P2441M
Accepted: : 148
#754: paopaomate
Accepted: : 148
#754: ProjectCF
Accepted: : 148
#754: Purslane
Accepted: : 148
梦的边陲 风吹不灭 从不感疲惫
#754: trimkus
Accepted: : 148
#754: ucup-team088
Accepted: : 148
#754: ucup-team3549
Accepted: : 148
#763: Delay_for_five_minutes
Accepted: : 147
#763: thanhs
Accepted: : 147
#763: ucup-team5785
Accepted: : 147
#763: ucup-team7532
Accepted: : 147
#763: ucup-team7557
Accepted: : 147
#768: george0929
Accepted: : 146
#768: Godwang
Accepted: : 146
#768: ICPCC
Accepted: : 146
#768: Lynn_Sue
Accepted: : 146
The Everlasting Rain
#768: NYCU_MyGO
Accepted: : 146
#768: tarche
Accepted: : 146
#768: ucup-team5240
Accepted: : 146
#768: YoruKiri
Accepted: : 146
#768: yueyuweihu
Accepted: : 146
#777: Arkhell
Accepted: : 145
#777: cmk666
Accepted: : 145
qwq
#777: KluydQ
Accepted: : 145
#777: ucup-team1231
Accepted: : 145
#777: ucup-team2796
Accepted: : 145
#777: ucup-team3555
Accepted: : 145
In the changing arena,Zhicheng is the top of the algorithm.Code weaves into a winning net,Wisdom flowers bloom in spring.
#777: yeyuzhe
Accepted: : 145
#784: alextherunner
Accepted: : 144
#784: emanuelr
Accepted: : 144
#784: FWKnightship
Accepted: : 144
姜还是老的辣知道不。
#784: GZT
Accepted: : 144
#784: lllei
Accepted: : 144
#784: Raymoo_
Accepted: : 144
#784: skittles1412
Accepted: : 144
#784: ucup-team2621
Accepted: : 144
#784: ucup-team991
Accepted: : 144
#784: user736482
Accepted: : 144