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QOJ
As a traditional event in the past years, join the IOI 2026 Prediction Game!
比赛排行榜 通过数
#1583: Tianyi_lemon
Accepted: : 85
#1583: ucup-team1537
Accepted: : 85
#1583: ucup-team1631
Accepted: : 85
#1583: ucup-team3529
Accepted: : 85
#1583: ucup-team5284
Accepted: : 85
#1583: ucup-team8458
Accepted: : 85
#1583: ucup-team956
Accepted: : 85
#1583: xiaoxia
Accepted: : 85
#1583: yrjzs
Accepted: : 85
#1583: yyssppmm
Accepted: : 85
#1583: zombie462
Accepted: : 85
<b>123</b>
#1605: BuiDucManh123
Accepted: : 84
#1605: cocoa_chan
Accepted: : 84
#1605: Exusiai1
Accepted: : 84
#1605: Froggygua
Accepted: : 84
呱呱呱
#1605: hard_plan
Accepted: : 84
#1605: lhc0707
Accepted: : 84
每一个不曾起舞的日子，都是对生命的辜负。
#1605: lllltf
Accepted: : 84
#1605: Nelofus
Accepted: : 84
「……おまじないをひと匙」
#1605: Nightmare07
Accepted: : 84
#1605: oqmsac
Accepted: : 84
#1605: raspa
Accepted: : 84
#1605: Stelor
Accepted: : 84
#1605: ucup-team1213
Accepted: : 84
#1605: ucup-team1303
Accepted: : 84
不姓姚不传谣
#1605: ucup-team132
Accepted: : 84
#1605: ucup-team1806
Accepted: : 84
#1605: ucup-team206
Accepted: : 84
#1605: ucup-team3625
Accepted: : 84
#1605: ucup-team3684
Accepted: : 84
#1605: ucup-team3932
Accepted: : 84
#1605: ucup-team7611
Accepted: : 84
#1605: ucup-team7846
Accepted: : 84
#1605: ucup-team8182
Accepted: : 84
#1605: ucup-team959
Accepted: : 84
#1605: UFMG_oogabooga
Accepted: : 84
#1605: YeahPotato
Accepted: : 84
#1605: yqh2025
Accepted: : 84
#1632: APJifengc
Accepted: : 83
#1632: Boboge
Accepted: : 83
Bon Voyage
#1632: CraaazyShep
Accepted: : 83
/惊讶
#1632: konghaojie
Accepted: : 83
#1632: lefy
Accepted: : 83
#1632: Los_Medonhos
Accepted: : 83
#1632: No.ZeroStore
Accepted: : 83
#1632: Peddy
Accepted: : 83
#1632: Sai0511
Accepted: : 83
#1632: sckrt
Accepted: : 83
#1632: scsc_ssalmeok
Accepted: : 83
#1632: Str_ywr
Accepted: : 83
#1632: ucup-team1882
Accepted: : 83
#1632: ucup-team6262
Accepted: : 83
#1632: ucup-team6351
Accepted: : 83
#1632: ucup-team979
Accepted: : 83
#1632: VMaksimoski008
Accepted: : 83
#1632: wxy2005
Accepted: : 83
#1632: ZENGZHAOGAN
Accepted: : 83
#1651: abdelrahman001
Accepted: : 82
#1651: ahsoltan
Accepted: : 82
#1651: Bkos
Accepted: : 82
有低谷，就会有高山相嵌
#1651: Brilliant
Accepted: : 82
#1651: Celebrate
Accepted: : 82
#1651: comeintocalm
Accepted: : 82
#1651: EBeason
Accepted: : 82
#1651: Ff472130
Accepted: : 82
#1651: Fire_Fly
Accepted: : 82
#1651: HaccerKat
Accepted: : 82
#1651: horzward
Accepted: : 82
#1651: hutality
Accepted: : 82
$$[x^n](1-x)^{-\frac{1}{2}} \exp\left(\frac{x(1+x)}{2-2x}\right)\frac{\left(\frac{2-x}{2-2x}\right)^k}{k!}\cdot\,_0 F _1 \left(;k+1;x\left(\frac{2-x}{2-2x}\right)^2\right)$$
#1651: jerrysyr
Accepted: : 82
#1651: JohnYam
Accepted: : 82
#1651: LastKismet
Accepted: : 82
咕咕嘎嘎！！！！！
#1651: lfx-9877
Accepted: : 82
#1651: liangjeremy
Accepted: : 82
#1651: little_one
Accepted: : 82
#1651: mayike
Accepted: : 82
#1651: Smart_Jason
Accepted: : 82
#1651: Swarthmore
Accepted: : 82
#1651: ucup-team2039
Accepted: : 82
#1651: ucup-team477
Accepted: : 82
#1651: ucup-team5635
Accepted: : 82
#1651: ucup-team5657
Accepted: : 82
sabiba
#1651: ucup-team6252
Accepted: : 82
我怎么可能成为随机化高手，不行不行！（※不是不可能！？）わたしがランダマイズの達人になれるわけないじゃん、ムリムリ！（※ムリじゃなかった!?）
#1651: ucup-team8518
Accepted: : 82
#1651: WTXwang233
Accepted: : 82
#1651: XiaoMo247
Accepted: : 82
#1651: xmx
Accepted: : 82
#1651: YaLong
Accepted: : 82
#1651: yangjm
Accepted: : 82
既不想活也不想死
#1651: youngsystem
Accepted: : 82
#1651: zhaohongrui
Accepted: : 82
#1685: 1kri
Accepted: : 81
#1685: cuber_jkz
Accepted: : 81
#1685: Dedibeat
Accepted: : 81
#1685: Feijoa_Li
Accepted: : 81
#1685: Ixiuuu
Accepted: : 81
#1685: JHN021
Accepted: : 81
#1685: Joler
Accepted: : 81
#1685: kevinshan
Accepted: : 81
#1685: KingPowers
Accepted: : 81