QOJ.ac

QOJ

#	Nom d'utilisateur	Motto	Cont.
1	znstz		108
2	hydd	Qingyu txdy $\\$ If my armor breaks, I'll fuse it back together	92
3	little_sun		74
4	qingaodong	For every problem, there is a solution which is simple, fast, and wrong. — The First Law of Online Judges	66
5	ucupannouncements		54
6	p_b_p_b		49
7	HaobaNews		47
8	qwq	$\displaystyle \sum_{i=1}^n [i,i+1,\cdots, i+k] \pmod{10^9+7}$	46
9	RainAir	451 Unavailable For Legal Reasons (RFC 7725)	45
9	zombie462	<b>123</b>	45
11	DoorKickers	orz Qingyu	43
11	QOJ_News		43
13	A_Fake_OIer	orz sqy cgl zlt ysd	40
14	std	大家好，我是来自彭博社的埃斯提迪	38
15	EditorialBot	使用 hydd™ 技术研发的题解自动机	36
15	exalted		36
17	chenzhulidexiaomimei	\Qingyu/	35
17	dijkstra		35
17	Lenstar	orz Qingyu	35
20	Crysfly	…	34
20	repoman	$$\prod_{i=0}^{n-1} (1+q^iz) = \sum_{i=0}^n q^{i(i-1)/2}\binom ni_q z^i$$	34
22	QingbaNews		32
23	sdoi	$$P_{a_i}(x) = [t^{a_i}]\frac{1}{1-xF(t)}$$	28
23	xinyoucuo		28
23	zak	$$\color{red}{\Huge{\text{高亮的是我，我是咋克}}}$$	28
26	FTP_News		27
26	zhanjinghao	哇咔咔	27
28	ejudge	ejudge - это система для проведения различных мероприятий, в которых необходима автоматическая проверка программ.	26
29	123456	俺宣布俺是正宗滴【123456】	25
29	DailyReading	分享优秀文章，提高阅读水平！	25
29	HalifaX		25
29	littlesummer		25
29	Samsara_soul		25
34	Caliwa		23
34	Hongyi_Wang	我是hy我AK🏆🏆🏆	23
34	orzlyptql	楼元培大神就是牛逼！！！！	23
34	system_message		23
38	CLB	菜板教育就是好，就是好啊就是好	22
38	PA	大家好，我的名字是 PA。	22
40	jiangly		21
40	perspective	$$\sqrt{\pi n} \lesssim \mathbb E[\mathrm{depth}] \leq O((n\log n)^{1/2})$$	21
40	pretentious	$$\det(AB) = \sum_{S\in\tbinom{[n]}m} \det(A_{[m],S})\det(B_{S,[m]})$$	21
40	ShanLunjiaJian	🐟👑🌤🐟🈴🉐💪㊗🖐🀄🀄🐟🏅📅✌🀄🀄❗。	21
44	admin		19
44	EdwardWilson		19
44	LH	$$\|X/G\| = \frac{1}{\|G\|}\sum_{g \in G}\|X^g\|$$	19
44	List		19
48	govanitics	卷薄如翼	18
48	JohnAlfnov	Qingyu Kedavra !	18
50	NOI		17
50	QOJ_Contest		17
50	qw		17
50	TinyHorizon		17
54	adventitious		16
54	awumia	楼上几位的格言实在是狂的没边了	16
54	I_want_to_complain		16
54	yukorni	我感到深受震撼	16
58	Commenter		15
58	feecle6418	gyh ak ioi	15
58	Seaborgium		15
58	taniya	$$\prod_{n=1}^\infty (1-x^n)=\sum_{k=-\infty}^\infty(-1)^kx^{\frac{k(3k-1)}{2}}=\sum_{k=0}^\infty(-1)^kx^{\frac{k(3k\pm 1)}{2}}$$	15
62	_map_	map<problem_statement,vector<pair<oj,problem_id>>>	14
62	alpha1022	$$\frac{1}{n_1!n_2!}(1-y)^{n_1+n_2+2} \left(\sum_{j\ge 0} y^j(t+j)^{n_1} \right) \left(\sum_{j\ge 0} y^j((j+1)-t)^{n_2} \right)$$	14
62	Oganesson		14
62	weiwei		14
62	xiaojifang	大家好我是小机房，又名更衣室。	14
67	15867449938	$$Z_G(t_1,t_2,\ldots,t_n) = \frac{1}{\|G\|}\sum_{g \in G} t_1^{c_1(g)} t_2^{c_2(g)} \cdots t_n^{c_n(g)}$$	13
67	HailiangOI_News		13
67	InternetExplorer		13
67	lyptxdy		13
67	MAN800PROBLEMS		13
67	run		13
67	sb	我是SB 233	13
67	sdqd02		13
67	ThinkProgram	先随想，后变成。	13
67	uooogoo		13
67	xuruiyang		13
67	zhengruioi		13
67	zhoukangyang		13
80	HYCS		12
80	Karry5307		12
80	MakeHYTeamGreatAgain		12
80	oc	$$y^2=x^3+ax^2+bx+c$$	12
80	Pdw2007		12
80	propensity	The 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 one	12
80	Qglin_		12
80	skt_otto	那我缺的营养这块的，谁给我补啊	12
88	Allen		11
88	futahakako		11
88	hydd_lenstar_team		11
88	Origigami		11
88	RealPresident		11
93	cdw		10
93	dXqwq	To the cosmic	10
93	GSF		10
93	hyfans		10
93	incubate		10
93	PlentyOfPenalty	高亮的是我们，我们是青鱼家军！	10
93	PubabaOnO	PubabaOnO (Pub, aba, OnO)	10
93	RedreamMer		10