Public Judge
pjudge
用戶檔案
alpha1022
Rating
1800
Contribution
8
用戶組
/
格言
$$\frac{1}{n_1!n_2!}(1-y)^{n_1+n_2+2} \left(\sum_{j\ge 0} y^j(t+j)^{n_1} \right) \left(\sum_{j\ge 0} y^j((j+1)-t)^{n_2} \right)$$
Rating 變化
已解決的問題:共 286 道題
451221301381431461531541551861872472493723744044254264274334394444644954995005255325336026186196206216226266276286657717757867877929059069359459469499509679909959969991060109710981100114111691178119712261240125212851359156016101833183818391840190919101996199920082010201220212131220822142307234324382555256025662576257725782579258025862590267626772678267926802744283628562866297329772980298829912999308230843089322332933295329632993301330433953397355735613563381040474060410341054116412441254126412741284129418142594345436343994405442444724476461046304692469447824811482248984946494750135019503150365040504850535066509450985099514851695187518851895190519151925193519451955196519751985225522652275239535753605367540254035406541154485463550455325626562756285629563056315632563356345635563656375638563956405641564256445683568456855686569058265827582961586194619662996308633363506379650865136537655566537301730273037324743974417446744874537455751275137515752176327648764976777684776278847961796879727988799379948013801580168089811183518525867087038715871787218757887588768924892589272173121741
Tried problems:共 14 道題
5930730876876977025814311518674387991801782268826
Authored Problems:共 1 道題
# | Problem Name |
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1 | Matrix Counting |
Virtual Participations:共 6 场比赛
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