| #9501 | Approximate MatchingBeijing Regional 2018 | |
| #9502 | PalindromesBeijing Regional 2018 | |
| #9503 | Rikka with TrianglesBeijing Regional 2018 | |
| #9504 | HRASTOVICroatian OI 2010 | |
| #9505 | KOLOCroatian OI 2010 | |
| #9506 | LOZACroatian OI 2010 | |
| #9507 | ROBOTICroatian OI 2010 | |
| #9508 | ConspiracyXVIII Olimpiada Informatyczna – I etapPOI 2010/2011 Stage 1 | |
| #9509 | LollipopXVIII Olimpiada Informatyczna – I etapPOI 2010/2011 Stage 1 | |
| #9510 | Lightning ConductorXVIII Olimpiada Informatyczna – I etapPOI 2010/2011 Stage 1 | |
| #9511 | ShiftXVIII Olimpiada Informatyczna – I etapPOI 2010/2011 Stage 1 | |
| #9512 | PlotXVIII Olimpiada Informatyczna – I etapPOI 2010/2011 Stage 1 | |
| #9513 | 环上排序信息最优分割2024 集训队互测 Round 3 | |
| #9514 | 研心2024 集训队互测 Round 3 | |
| #9515 | 无限地狱2024 集训队互测 Round 3 | |
| #9516 | Désive2024 集训队互测 Round 4 | |
| #9517 | 分道扬镳2024 集训队互测 Round 4 | |
| #9518 | 观虫我 (旧版数据)2024 集训队互测 Round 4 | |
| #9519 | Build a Computer | |
| #9520 | Concave Hull | |
| #9521 | Giving Directions in Harbin | |
| #9522 | A Simple String Problem | |
| #9523 | Marble Race | |
| #9524 | 1D Galaxy | |
| #9525 | Welcome to Join the Online Meeting! | |
| #9526 | Subsequence Counting | |
| #9527 | A Brand New Geometric Problem | |
| #9528 | New Energy Vehicle | |
| #9529 | Farm Management | |
| #9530 | A Game On Tree | |
| #9531 | Weird Ceiling | |
| #9532 | 长野原龙势流星群2024 集训队互测 Round 5 | |
| #9533 | Classical Counting Problem2024 集训队互测 Round 5 | |
| #9534 | 运筹帷幄 / 《十字神名的预言者》理解（色彩）2024 集训队互测 Round 5Ynoi 2025 Hard Round《十字神名的预言者》理解（色彩） | |
| #9535 | Arrow a RowChengdu Regional 2024 | |
| #9536 | Athlete Welcome CeremonyChengdu Regional 2024 | |
| #9537 | Chinese ChessChengdu Regional 2024 | |
| #9538 | Closest DerangementChengdu Regional 2024 | |
| #9539 | Disrupting CommunicationsChengdu Regional 2024 | |
| #9540 | Double 11Chengdu Regional 2024 | |
| #9541 | Expanding ArrayChengdu Regional 2024 | |
| #9542 | Friendship is MagicChengdu Regional 2024 | |
| #9543 | Good PartitionsChengdu Regional 2024 | |
| #9544 | Grand Prix of BallanceChengdu Regional 2024 | |
| #9545 | Magical SetChengdu Regional 2024 | |
| #9546 | Recover StatisticsChengdu Regional 2024 | |
| #9547 | Two Convex HolesChengdu Regional 2024 | |
| #9548 | The Fool | |
| #9549 | The Magician | |
| #9550 | The Empress | |
| #9551 | The Emperor | |
| #9552 | The Chariot | |
| #9553 | The Hermit | |
| #9554 | The Wheel of Fortune | |
| #9555 | Strength | |
| #9556 | The Hanged Man | |
| #9557 | Temperance | |
| #9558 | The Devil | |
| #9559 | The Tower | |
| #9560 | Judgement | |
| #9561 | 树数叔术2024 集训队互测 Round 6 | |
| #9562 | 欧伊昔2024 集训队互测 Round 6 | |
| #9563 | 人间应又雪2024 集训队互测 Round 6 | |
| #9564 | Hey, Have You Seen My Kangaroo?Nanjing Regional 2024 | |
| #9565 | Birthday GiftNanjing Regional 2024 | |
| #9566 | TopologyNanjing Regional 2024 | |
| #9567 | Toe-Tac-TicsNanjing Regional 2024 | |
| #9568 | Left Shifting 3Nanjing Regional 2024 | |
| #9569 | SubwayNanjing Regional 2024 | |
| #9570 | Binary TreeNanjing Regional 2024Interactive | |
| #9571 | Border Jump 2Nanjing Regional 2024 | |
| #9572 | BingoNanjing Regional 2024 | |
| #9573 | Social MediaNanjing Regional 2024 | |
| #9574 | StripsNanjing Regional 2024 | |
| #9575 | $P \oplus Q = R$Nanjing Regional 2024 | |
| #9576 | Ordainer of Inexorable JudgmentNanjing Regional 2024 | |
| #9577 | Ah? It's Not Yesterday Once More?Nanjing Regional 2024 (Practice)Interactive | |
| #9578 | 爱上字典 | |
| #9579 | 比分幻术 | |
| #9580 | 插排串联 | |
| #9581 | 都市叠高 | |
| #9582 | 俄式简餐 | |
| #9583 | 飞沙走蛇 | |
| #9584 | 顾影自怜 | |
| #9585 | 划分数字 | |
| #9586 | 野兽节拍 | |
| #9587 | 结课风云 | |
| #9588 | 可重集合 | |
| #9589 | 龙之研习 | |
| #9590 | 盲盒谜题 | |
| #9591 | Dunai | |
| #9592 | Recruitment | |
| #9593 | Grass | |
| #9594 | Sternhalma | |
| #9595 | Python Will be Faster than C++ | |
| #9596 | Mooncake Delivery | |
| #9597 | Grade 2 | |
| #9598 | Party Animals | |
| #9599 | Dragon Bloodline | |
| #9600 | Eat, Sleep, Repeat | |