1 | hos_lyric | $$\left[\frac{x^n}{n!} q^{K-1}\right] \frac{(\mathrm{e}^{rx} - 1) (q + r + \mathrm{e}^{rx} + q \mathrm{e}^{rx} - r \mathrm{e}^{rx} + 1)}{(q + 1) (r - \mathrm{e}^{2rx} + r \mathrm{e}^{2rx} + 1)}$$ | 1077 |
2 | larryzhong | | 983 |
3 | ucup-team1005 | 大家好,我是 C++ 高手,今天来点大家想看的东西。$$
\begin{aligned}
&\texttt{sort(Ring.begin(), Ring.end());} \\
&\texttt{sort(Chain.begin(), Chain.begin(), [](int x, int y) \{return x > y;\});}
\end{aligned}$$ | 758 |
4 | PetroTarnavskyi | Why haven't you registered at https://algotester.com/en yet? 🤨 | 714 |
5 | zhouhuanyi | | 623 |
6 | Crysfly | 加训 | 610 |
7 | ckiseki | 卷不动了 | 609 |
8 | ucup-team2335 | | 563 |
9 | PhantomThreshold | | 559 |
10 | xiaowuc1 | you're a half a world away, but in my mind I whisper every single word you say | 532 |
11 | dXqwq | To the cosmic | 524 |
12 | lmq26052003 | | 515 |
13 | grass8cow | | 505 |
14 | SolitaryDream | | 462 |
15 | ucup-team1209 | 我不是可爱小青鱼 | 442 |
16 | ucup-team087 | | 438 |
17 | ucup-team1198 | | 431 |
18 | ucup-team004 | | 428 |
19 | LoverInTime | 089年的树剖 | 401 |
20 | ucup-team2880 | | 397 |
21 | flower | | 378 |
22 | 275307894a | | 369 |
23 | maspy | Universal Cup Upsol部 | 366 |
24 | qiuzx | | 362 |
25 | ucup-team1878 | | 354 |
26 | ucup-team052 | | 335 |
27 | MoRanSky | 无论过去 不问将来 | 333 |
28 | hyforces | 永远不够 | 328 |
29 | Kevin5307 | $$
\frac{1}{1-x}\sum_{k=1}^\infty\frac{x^k}{1-\frac{x-x^{k+1}}{1-x}}
$$ | 327 |
30 | ucup-team1004 | 方队akioi | 317 |
31 | lmeowdn | | 311 |
32 | hydd | Qingyu txdy $\\$ If my armor breaks, I'll fuse it back together | 310 |
32 | ucup-team987 | | 310 |
32 | waifuSenpai | | 310 |
35 | ucup-team864 | | 309 |
36 | ucup-team191 | | 302 |
37 | Lynkcat | | 298 |
38 | ucup-team159 | | 295 |
39 | Sorting | ㅗ오ㅗ
| 293 |
40 | ucup-team266 | | 288 |
41 | james1BadCreeper | 他明白 他明白 我给不起 | 287 |
42 | alpha1022 | $$\frac{1}{n_1!n_2!}(1-y)^{n_1+n_2+2} \left(\sum_{j\ge 0} y^j(t+j)^{n_1} \right)
\left(\sum_{j\ge 0} y^j((j+1)-t)^{n_2} \right)$$ | 286 |
43 | ucup-team1134 | | 277 |
43 | znstz | | 277 |
45 | ucup-team133 | | 274 |
46 | AFewSuns | $\displaystyle\sum_{n \geq 0}{(x+y)^n\frac{u^n}{n!}}=\sum_{k \geq 0}\frac{x}{x-kz}(x-kz)^k\frac{u^k}{k!}\sum_{l \geq 0}\frac{(y+kz)^l}{l!}u^l$ | 269 |
47 | bachbeo2007 | | 266 |
47 | ezteam1 | | 266 |
49 | ucup-team1447 | 没队要 | 263 |
50 | ucup-team253 | | 259 |
51 | ucup-team138 | | 252 |
51 | zhaohaikun | | 252 |
53 | tricyzhkx | | 249 |
54 | ucup-team130 | | 246 |
55 | ucup-team267 | 哈姆。 | 242 |
56 | iee | | 239 |
56 | ucup-team112 | | 239 |
58 | sdoi | $$P_{a_i}(x) = [t^{a_i}]\frac{1}{1-xF(t)}$$ | 237 |
58 | ucup-team025 | | 237 |
60 | He_Ren | | 236 |
60 | ucup-team134 | | 236 |
62 | KKT89 | | 233 |
63 | ucup-team122 | | 229 |
64 | ucup-team180 | | 226 |
65 | 8BQube | | 222 |
65 | ucup-team216 | | 222 |
67 | chenshi | | 218 |
68 | karuna | | 217 |
69 | repoman | $$\prod_{i=0}^{n-1} (1+q^iz) = \sum_{i=0}^n q^{i(i-1)/2}\binom ni_q z^i$$ | 215 |
69 | ushg8877 | | 215 |
71 | ucup-team1293 | | 214 |
71 | ucup-team870 | | 214 |
73 | zhoukangyang | | 213 |
74 | ucup-team228 | | 212 |
75 | ucup-team1525 | | 209 |
76 | ucup-team3215 | | 206 |
77 | do_while_true | | 204 |
78 | new_dawn_2 | | 203 |
79 | ucup-team123 | | 202 |
79 | ucup-team244 | | 202 |
81 | kevinyang | | 201 |
82 | qwq | $\displaystyle \sum_{i=1}^n [i,i+1,\cdots, i+k] \pmod{10^9+7}$ | 199 |
82 | ship2077 | | 199 |
82 | ucup-team1126 | | 199 |
85 | ucup-team029 | | 197 |
86 | ucup-team1191 | | 196 |
87 | Wu_Ren | | 194 |
88 | JohnAlfnov | Qingyu Kedavra ! | 193 |
89 | ucup-team2307 | | 192 |
90 | ucup-team311 | | 191 |
91 | _map_ | map<problem_statement,vector<pair<oj,problem_id>>> | 190 |
92 | ucup-team026 | | 188 |
92 | ucup-team045 | | 188 |
92 | ucup-team1055 | | 188 |
95 | DitaMirika | | 184 |
95 | myee | 与其诺诺以顺,不若谔谔以昌 | 184 |
97 | ucup-team1123 | | 183 |
98 | chenxinyang2006 | | 179 |
99 | bulijiojiodibuliduo | | 178 |
99 | monstersqwq | | 178 |