46 problems

  • 1
ID Problem Show tags Hide tags AC / Tried Difficulty
8250 P9071   [CTS2023] 鸽子（无防作弊） 0 / 0 (None)
8341 P9165   「INOH」Round 1 - 意外 0 / 0 9
15738 P9470   [EGOI 2023] Guessing Game / 猜猜看 0 / 0 (None)
12921 P9524   [JOIST 2022] 飞机旅行 / Flights 0 / 0 (None)
12922 P9526   [JOIST 2022] 坏掉的设备 2 / Broken Device 2 0 / 0 (None)
12937 P10431   [JOIST 2024] 三色灯 / Tricolor Lights 0 / 0 (None)
12938 P10434   [JOIST 2024] 间谍 3 / Spy 3 0 / 0 (None)
11333 P10539   [APIO2024] 魔术表演 0 / 0 9
12709 P10832   [COTS 2023] 传 Mapa 0 / 0 9
16586 P10847   [EGOI 2024] Garden Decorations / 花园装饰 0 / 0 (None)
12952 P11050   [IOI 2024] 消息篡改者 0 / 0 (None)
10392 P11105   [ROI 2023] 解密（数据有误） (Day 1) 0 / 0 9
12970 P11315   [RMI 2021] 速通 / Speedrun 0 / 0 9
15746 P11344   [KTSC 2023 R1] 会议室 0 / 0 (None)
12972 P11403   [RMI 2020] 软盘 / Floppy 0 / 0 7
11765 P11942   [KTSC 2025] 重塑矩阵 / grid_encoding 0 / 0 9
11877 P11978   [KTSC 2021] 铁路 / railroad 0 / 0 7
13017 P11984   [JOIST 2025] 占卜 3 / Fortune Telling 3 0 / 0 (None)
11993 P12081   基础构造练习题 2（P11635 加强版） 0 / 0 (None)
12324 P12509   通信题 0 / 0 5
12643 P12867   [JOI Open 2025] 心灵感应 / Telepathy 0 / 0 (None)
13350 P13346   [EGOI 2025] Laser Strike 0 / 0 (None)
13554 P13539   [IOI 2025] Migrations 0 / 0 (None)
13673 P13695   [CEOI 2025] theseus 0 / 0 (None)
13801 P13852   [CERC 2023] Human Resources [Can't Judge Yet] 0 / 0 (None)
13943 P14001   [eJOI 2025] Prison 0 / 0 9
13944 P14002   [eJOI 2025] Navigation 0 / 0 (None)
13111 P14204   [JOIST 2023] 最后之战 / The Last Battle 0 / 0 (None)
14221 P14345   [JOISC 2019] 两种交通 / Two Transportations 0 / 0 9
14664 P14371   [JOISC 2018] 航空路线图 / Airline Route Map 0 / 0 (None)
16631 P14386   [JOISC 2017] 故障机器 0 / 0 9
16632 P14429   [JOISC 2014] 汉字接龙 / Kanji Shiritori 0 / 0 (None)
16633 P14441   [JOISC 2013] 信息传递 / Messenger 0 / 0 (None)
15023 P14998   [Nordic OI 2019] Distance Code 0 / 0 6
15206 P15213   [NWERC 2025] Hasty Haul【未配置通信题】 0 / 0 (None)
15367 P15337   [GCPC 2025] Jumbled Packets 0 / 0 6
16436 P16453   [APIO 2026] Navigation 0 / 0 (None)
16437 P16454   [APIO 2026] Scallion Pancake Party 0 / 0 9
16509 P16536   [THUPC 2026 决赛] 流光解密 0 / 0 7
16516 P16542   [EGOI 2026] 人口普查 / Census 0 / 0 (None)
16679 P17120   [Algo Beat 009 & MROI-R1] Parallel Parentheses 0 / 0 (None)
17384 P17243   [IOI 2026] 课堂游戏 / Classroom Game 0 / 0 (None)
17386 P17245   [IOI 2026] 划分 / Partition 0 / 0 (None)
17393 P17274   [eJOI 2026] Elevator 0 / 0 (None)
17461 P17448   奶龙大战暴暴龙 3.1 / Nailoong vs. Bombloong 3.1 0 / 0 7
17462 P17449   奶龙大战暴暴龙 3.2 / Nailoong vs. Bombloong 3.2 0 / 0 9
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