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#UsernameMottoSolved
1hos_lyric$$\left[\frac{x^n}{n!} q^{K-1}\right] \frac{(\mathrm{e}^{rx} - 1) (q + r + \mathrm{e}^{rx} + q \mathrm{e}^{rx} - r \mathrm{e}^{rx} + 1)}{(q + 1) (r - \mathrm{e}^{2rx} + r \mathrm{e}^{2rx} + 1)}$$987
2larryzhong983
3PetroTarnavskyiWhy haven't you registered at https://algotester.com/en yet? 🤨622
4ckiseki卷不动了609
5zhouhuanyi603
6Crysfly569
7xiaowuc1you're a half a world away, but in my mind I whisper every single word you say529
8ucup-team1005大家好,我是 C++20,今天来点大家想看的东西。$$ \begin{aligned} &\texttt{ios::sync_with_stdio(false);} \\ &\texttt{int T; cin >> T;} \\ &\texttt{while (T--) \{ scanf("%s", s + 1); ... \}} \end{aligned}$$524
9dXqwqTo the cosmic514
10lmq26052003495
11SolitaryDream462
12PhantomThreshold449
13ucup-team1209我不是可爱小青鱼442
14ucup-team2880396
15ucup-team004390
16LoverInTime089年的树剖384
17flower380
18ucup-team087373
19maspyUniversal Cup Upsol部366
20ucup-team1198349
21ucup-team2335339
22MoRanSky无论过去 不问将来333
23hyddQingyu txdy $\\$ If my armor breaks, I'll fuse it back together310
24waifuSenpai309
25grass8cow303
26ucup-team1878301
27275307894a299
28Sortingㅗ오ㅗ 292
29ucup-team864288
30lmeowdn278
31qiuzx275
32ezteam1265
33bachbeo2007264
33ucup-team191264
35AFewSuns$\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$260
36Kevin5307253
36ucup-team987253
38alpha1022$$\frac{1}{n_1!n_2!}(1-y)^{n_1+n_2+2} \left(\sum_{j\ge 0} y^j(t+j)^{n_1} \right) \left(\sum_{j\ge 0} y^j((j+1)-t)^{n_2} \right)$$252
39znstz251
40tricyzhkx250
41Lynkcat248
42ucup-team266247
43hyforces永远不够242
44He_Ren237
44sdoi$$P_{a_i}(x) = [t^{a_i}]\frac{1}{1-xF(t)}$$237
46ucup-team134236
47KKT89227
48ucup-team159225
48zhaohaikun225
50ucup-team133224
518BQube222
51ucup-team1134222
51ucup-team138222
54chenshi218
55repoman$$\prod_{i=0}^{n-1} (1+q^iz) = \sum_{i=0}^n q^{i(i-1)/2}\binom ni_q z^i$$215
56james1BadCreeper他明白 他明白 我给不起214
57ushg8877213
58ucup-team1447没队要212
59ucup-team870210
59zhoukangyang210
61iee209
62ucup-team130204
62ucup-team253204
64new_dawn_2203
64ucup-team1004方队akioi203
66ucup-team122201
67qwq$\displaystyle \sum_{i=1}^n [i,i+1,\cdots, i+k] \pmod{10^9+7}$199
68ucup-team029197
69ucup-team1191196
70ucup-team1293194
70Wu_Ren194
72ucup-team112190
72ucup-team180190
72ucup-team267哈姆。190
75ucup-team216189
76kevinyang188
76ucup-team025188
76ucup-team026188
76ucup-team1126188
80ucup-team228185
81myee与其诺诺以顺,不若谔谔以昌184
82ucup-team1055183
83karuna179
84feecle6418gyh ak ioi177
85JohnAlfnovQingyu Kedavra ! 174
86ucup-team052172
87do_while_true171
87eyiigjkn171
89ucup-team123170
90bulijiojiodibuliduo169
91willow167
92ucup-team1376CJOIers?166
93ucup-team118164
94ucup-team456162
95DitaMirika161
95houzhiyuan161
97_map_map<problem_statement,vector<pair<oj,problem_id>>>160
98Sa3tElSefrleh159
99PlentyOfPenalty高亮的是我们,我们是青鱼家军!158
99ucup-team244158
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