QOJ.ac

QOJ

#	用户名	格言	通过数
1	xiaowuc1	you're a half a world away, but in my mind I whisper every single word you say	1305
2	hos_lyric	$$\left[\frac{x^n}{n!} q^{K-1}\right] \frac{(\mathrm{e}^{rx} - 1) (q + r + \mathrm{e}^{rx} + q \mathrm{e}^{rx} - r \mathrm{e}^{rx} + 1)}{(q + 1) (r - \mathrm{e}^{2rx} + r \mathrm{e}^{2rx} + 1)}$$	1133
3	ucup-team1005	大家好，我是 C++ 高手，今天来点大家想看的东西。$$ \begin{aligned} &\texttt{sort(Ring.begin(), Ring.end());} \\ &\texttt{sort(Chain.begin(), Chain.begin(), [](int x, int y) \{return x > y;\});} \end{aligned}$$	1034
4	larryzhong		983
5	PetroTarnavskyi	Why haven't you registered at https://algotester.com/en yet? 🤨	798
6	Crysfly	我还能为你驻足到何时	670
7	PhantomThreshold		668
8	zhouhuanyi		649
9	ckiseki	卷不动了	608
10	ucup-team2335		563
11	dXqwq	To the cosmic	538
12	qiuzx		534
13	lmq26052003		531
14	grass8cow		522
15	ucup-team1198		516
16	ucup-team004		510
17	ucup-team087		490
18	SolitaryDream		462
19	ucup-team052		453
20	ucup-team1209	我不是可爱小青鱼	442
21	ucup-team2880		430
22	ucup-team1878		418
23	LoverInTime	089年的树剖	401
24	maspy	Universal Cup Upsol部	390
25	275307894a		384
26	Qiuly	fendou	382
27	flower		377
28	ucup-team1004	方队akioi	371
29	hyforces	永远不够	366
30	ucup-team987		355
31	bachbeo2007		349
32	ucup-team159		346
33	Kevin5307	$$ \frac{1}{1-x}\sum_{k=1}^\infty\frac{x^k}{1-\frac{x-x^{k+1}}{1-x}} $$	344
34	ucup-team191		343
35	ucup-team864		340
36	MoRanSky	无论过去不问将来	335
37	ucup-team1134		326
38	ucup-team133		313
39	lmeowdn		311
40	hydd	Qingyu txdy $\\$ If my armor breaks, I'll fuse it back together	310
40	waifuSenpai		310
42	ship2077		307
43	ucup-team130		301
44	Lynkcat		300
45	Sorting	ㅗ오ㅗ	299
45	ucup-team253		299
47	ucup-team266		290
48	james1BadCreeper	他明白他明白我给不起	287
49	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
50	ucup-team138		283
51	ucup-team112		282
52	znstz		278
53	ucup-team025		274
54	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
55	ezteam1		267
56	ucup-team1525		266
57	ucup-team1447	没队要	263
58	ucup-team180		257
59	zhaohaikun		256
60	tricyzhkx		250
61	ucup-team216		248
61	ucup-team311		248
63	ucup-team2307		247
64	KKT89		245
65	ucup-team267	哈姆。	242
65	zhoukangyang		242
67	ucup-team244		241
68	iee		239
69	He_Ren		237
69	sdoi	$$P_{a_i}(x) = [t^{a_i}]\frac{1}{1-xF(t)}$$	237
71	ucup-team122		236
71	ucup-team134		236
73	8BQube		222
74	chenshi		221
74	karuna		221
76	ucup-team3215		217
77	repoman	$$\prod_{i=0}^{n-1} (1+q^iz) = \sum_{i=0}^n q^{i(i-1)/2}\binom ni_q z^i$$	215
77	ucup-team870		215
77	ushg8877		215
80	ucup-team1293		214
81	ucup-team1123		212
81	ucup-team228		212
83	JohnAlfnov	Qingyu Kedavra !	210
84	do_while_true		204
85	new_dawn_2		203
85	ucup-team045		203
87	ucup-team123		202
88	kevinyang		201
88	ucup-team1002		201
90	qwq	$\displaystyle \sum_{i=1}^n [i,i+1,\cdots, i+k] \pmod{10^9+7}$	199
90	ucup-team1126		199
92	chenxinyang2006		198
93	Max_s_xaM		197
93	ucup-team029		197
95	ucup-team1191		196
96	ucup-team2818		194
96	Wu_Ren		194
98	ucup-team635		193
99	rotcar08		192
100	_map_	map<problem_statement,vector<pair<oj,problem_id>>>	191