Universal Cup Judging System
Universal Cup
As we are currently experiencing an overwhelming number of web requests for fetching user submissions, we have temporarily disabled the full submissions list. You must now be logged in to view submissions.
User profile
alpha1022
Rating
1800
Contribution
7
Usergroup
Default
Motto
$$\frac{1}{n_1!n_2!}(1-y)^{n_1+n_2+2} \left(\sum_{j\ge 0} y^j(t+j)^{n_1} \right) \left(\sum_{j\ge 0} y^j((j+1)-t)^{n_2} \right)$$
Rating changes
Accepted problems：343 problems
4512213013814618618724724935340442542642743343944449549950052558160261861962062162262662762866577177578779290590693594594694995096799099599699910601066109710981100114111691178119712251226124012521285135915601769183318381839184019091910199619992008201020122013202120222023202421312208221423072343242924382505250625552560256625762577257825792580258625902676267726782679268027152719274428362856286629732976297729802988299129993082308430893149322332933295329632993301330433953397355735613563381040474049406041034105411641244125412641274128412941814259434543634399440544244472447646064610463046924694478248114822489849464947501350195031503650405048505350665094509850995148516551695187518851895190519151925193519451955196519751985213522552265227523953575360536754025403540654115448544954635504553256265627562856295630563156325633563456355636563756385639564056415642564456835684568556865690582658275829607661536158616161946196622362256227622862326299630863336350637964916495650865136537655565976653730173027303732473927396739774397441744674487453745574567471749474967512751375157521763276487649767376777684776278137814781578847961796879727988799379948013801580168089811181968291835185258670870387158717872187578875887689248925892789968997899890009033909110363103641045510789110821126811269119971259312676131981326713268135541378613788139182173121741
Tried problems：17 problems
59464768769770786258143115186743879918017822688269031903510674
Authored problems：3 problems
| # | Problem Name |
|---|---|
| 1 | Matrix Counting |
| 2 | 又一个欧拉数问题 |
| 3 | 异或和 |
Virtual Participations：5 contests
| Name | Start time |
|---|---|
| 2024 小青鱼训练中心 NOI Training Contest #2: :qingyu5: Contest | 2024-07-08 19:25:31 |
| 2024 小青鱼训练中心 NOI Training Contest #3: Tedious Contest | 2024-07-08 19:23:14 |
| 2024 小青鱼训练中心 NOI Training Contest #1: jqdai Contest | 2024-06-27 07:40:27 |
| Nov 27 Training Contest | 2023-11-27 08:15:32 |
| Oct 10 NOIP Training | 2023-10-11 08:03:27 |