QOJ.ac

QOJ

#UsernameMottoProblemset Rating
1Qingyu曲終之時 你是否便會回應我的心音9.41
2hyddQingyu txdy $\\$ If my armor breaks, I'll fuse it back together8.17
3hos_lyric$$\left[\frac{x^n}{n!} q^{K-1}\right] \frac{(\mathrm{e}^{rx} - 1) (q + r + \mathrm{e}^{rx} + q \mathrm{e}^{rx} - r \mathrm{e}^{rx} + 1)}{(q + 1) (r - \mathrm{e}^{2rx} + r \mathrm{e}^{2rx} + 1)}$$8.16
4Crysfly8.04
5Qiulyfendou7.83
6flower7.59
7ucup-team11987.50
8ucup-team18787.50
9ucup-team0877.48
10maspyUniversal Cup Upsol部7.13
11larryzhong7.06
12ucup-team1209我不是可爱小青鱼6.99
13zhouhuanyi6.92
14ucup-team9876.87
15ucup-team2666.86
16ucup-team11266.84
17ucup-team1005大家好,我是 C++20,今天来点大家想看的东西。$$ \begin{aligned} &\texttt{ios::sync_with_stdio(false);} \\ &\texttt{int T; cin >> T;} \\ &\texttt{while (T--) \{ scanf("%s", s + 1); ... \}} \end{aligned}$$6.77
18moriko6.71
19ExplodingKonjac6.70
20ucup-team1306.69
21hyforces永远不够6.68
22tricyzhkx6.60
23Scintilla6.59
24perspective$$\sqrt{\pi n} \lesssim \mathbb E[\mathrm{depth}] \leq O((n\log n)^{1/2})$$6.56
24propensityThe binary Gray code is fun, For in it strange things can be done. Fifteen, as you know, Is one, oh, oh, oh, And ten is one, one, one and one6.56
26ucup-team1506.45
27Lenstarorz Qingyu6.45
28Minneapolis卷王别卷了6.45
29little_sun6.39
30ucup-team1376CJOIers?6.39
31ucup-team2536.36
32ucup-team0526.33
33sdoi$$P_{a_i}(x) = [t^{a_i}]\frac{1}{1-xF(t)}$$6.33
34repoman$$\prod_{i=0}^{n-1} (1+q^iz) = \sum_{i=0}^n q^{i(i-1)/2}\binom ni_q z^i$$6.32
35Naitoah一只菜喵捏~6.31
36ucup-team1596.28
37conzloi6.26
38yangjiuzhi@_silhouette_6.25
39hutality$$[x^n](1-x)^{-\frac{1}{2}} \exp\left(\frac{x(1+x)}{2-2x}\right)\frac{\left(\frac{2-x}{2-2x}\right)^k}{k!}\cdot\,_0 F _1 \left(;k+1;x\left(\frac{2-x}{2-2x}\right)^2\right)$$6.21
40wlxhkk6.15
41testusera6.11
42zombie462<b>123</b>6.09
43ucup-team267哈姆。6.08
44AFewSuns$\displaystyle\sum_{n \geq 0}{(x+y)^n\frac{u^n}{n!}}=\sum_{k \geq 0}\frac{x}{x-kz}(x-kz)^k\frac{u^k}{k!}\sum_{l \geq 0}\frac{(y+kz)^l}{l!}u^l$6.05
45ucup-team11916.03
46qzez5.94
47ucup-team1185.93
48ucup-team1805.89
49zhaohaikun5.88
50ucup-team20165.84
51ckiseki卷不动了5.83
52275307894a5.82
53ucup-team1335.81
54Baltinic$$\rho \left ( \frac{\partial \mathbf{v}}{\partial t} + \mathbf{v} \cdot \nabla \mathbf{v} \right) = - \nabla p + \nabla \cdot \mathbf{T} + \mathbf{f}$$5.78
55huredomirikayatuda5.75
56ucup-team1235.74
57yh5.73
58feecle6418gyh ak ioi5.69
59ucup-team12935.68
60ucup-team1735.61
61qwq$\displaystyle \sum_{i=1}^n [i,i+1,\cdots, i+k] \pmod{10^9+7}$5.60
62dXqwqTo the cosmic5.59
63eyiigjkn5.57
64ucup-team1915.50
65ucup-team10555.47
66james1BadCreeper$$1+1=2$$5.44
67JackF______是不是贺子5.41
68ucup-team1447没队要5.38
69ucup-team2445.37
70ucup-team11345.37
70ucup-team1225.37
72ucup-team1303不姓姚不传谣5.37
73awumia楼上几位的格言 实在是狂的没边了5.36
74ucup-team4565.35
75jeffqi5.33
76ucup-team0885.29
77ucup-team13485.27
78lmeowdn5.25
79ucup-team16825.24
80ucup-team23035.22
81chen_zexing5.19
82ucup-team8645.17
83ucup-team0065.16
83ucup-team20245.16
85ucup-team2035.15
86waifuSenpai5.15
87grass8cow快退役了5.13
88xiaojifang大家好我是小机房,又名更衣室。5.13
89testest5.12
90hydd_lenstar_team5.12
91regu5.10
91XR0975.10
93tarjen5.08
94ucup-team24245.08
95PetroTarnavskyiWhy haven't you registered at https://algotester.com/en yet? 🤨5.08
96ucup-team0455.06
97ucup-team0185.02
98ucup-team1344.98
99orzwyhthl4.98
100ucup-team8704.98
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